Connect with us. Find low fares to top destinations on the official Southwest Airlines website. Book flight reservations, rental cars, and hotels on southwest.com. Flights to Washington, D.C. (WAS) with American Airlines. Find low-fare American Airlines flights to Washington, D.C.. Enjoy our travel experience and great prices. Book the lowest fares on Washington, D.C. flights today!Book a Spirit Flight from Seattle (SEA) and Enjoy Our New Fleet! Save Huge with Ultra Low Cost Flights and Start Packing! ... Baltimore, MD / Washington DC AREA (BWI) Depart 06/24/2024. One Way / Economy. Fares From. $167* Viewed 4 hours ago. Book now. Seattle (SEA) to. Dallas (DFW) Depart 05/28/2024. One Way / Economy. Fares …Find flights to Washington, D.C. from $65. Fly from Seattle on Frontier, Spirit Airlines, Sun Country Air and more. Search for Washington, D.C. flights on KAYAK now to find the …One of the most popular airlines traveling from Seattle to Washington, D.C. is United Airlines. Flights on this route from United Airlines typically cost $485.50 RT, a price that is 59% more expensive than the average Seattle to Washington, D.C. flight.Find cheap flights from Seattle (SEA) to Washington, D.C. (IAD) with United Airlines. Compare prices, dates, and fares for roundtrip or one-way tickets and book … Flights from Seattle (SEA) to Washington (IAD) Origin airport. Seattle - Tacoma Intl. Destination airport. Washington Dulles Intl. Airlines serving. Alaska Airlines, American Airlines, Delta, Sun Country Airlines, United. Popular airline. Flights from Washington, DC to Seattle, WA cover the 2316 miles (3736 km) long route taking on average 5 h 58 min with our travel partners like Alaska Airlines, American Airlines or United. You can get the cheapest plane tickets for this route for as low as $97 (€85), but the average price of plane tickets is $242 (€213). ...Flights from Washington, DC to Seattle, WA cover the 2316 miles (3736 km) long route taking on average 5 h 58 min with our travel partners like Alaska Airlines, American Airlines or United. You can get the cheapest plane tickets for this route for as low as $97 (€85), but the average price of plane tickets is $242 (€213). ... There are 15 weekly flights from Seattle/Tacoma to Washington, D.C. (Dulles) on Southwest Airlines. What day has the lowest fares from Seattle/Tacoma to Washington, D.C. (Dulles)? To find the lowest fares by day and time to fly Seattle/Tacoma to Washington, D.C. (Dulles) with Southwest, check out our Low Fare Calendar. All flight schedules from Seattle Tacoma International , Washington , USA to Washington Dulles International , Virginia , USA . This route is operated by 3 airline (s), and the flight time is 6 hours and 00 minute. The distance is 2313 miles.The total straight line flight distance from Seattle, WA to Washington, DC is 2,327 miles. This is equivalent to 3 745 kilometers or 2,022 nautical miles. Your trip begins in Seattle, Washington. It ends in Washington, District of Columbia. Your flight direction from Seattle, WA to Washington, DC is East (88 degrees from North).The distance between Seattle (Seattle–Tacoma International Airport) and Washington D.C. (Washington Dulles International Airport) is 2306 miles / 3711 kilometers / 2004 nautical miles. The driving distance from Seattle (SEA) to Washington D.C. (IAD) is 2740 miles / 4409 kilometers, and travel time by car is about 49 hours 14 minutes.Find cheap flights to Washington with Google Flights. Explore popular destinations in Washington and book your flight.The distance between Seattle (Seattle–Tacoma International Airport) and Washington D.C. (Washington Dulles International Airport) is 2306 miles / 3711 kilometers / 2004 nautical miles. The driving distance from Seattle (SEA) to Washington D.C. (IAD) is 2740 miles / 4409 kilometers, and travel time by car is about 49 hours 14 minutes.Watch this route. $118RT. Nonstop | Midweek Fare. Seattle, WA (SEA)to Dallas/Fort Worth, TX (DFW) Best Times to Go. Frontier. Find This Deal. $168RT. Nonstop | Midweek Fare.The two airlines most popular with KAYAK users for flights from New York to Washington, D.C. are Delta and JetBlue. With an average price for the route of $248 and an overall rating of 8.0, Delta is the most popular choice. JetBlue is also a great choice for the route, with an average price of $213 and an overall rating of 7.6.10:50. Air Tahiti Nui / Operated by Alaska Airlines 1. (DCA to SEA) Track the current status of flights departing from (DCA) Ronald Reagan National Airport and arriving in (SEA) Seattle-Tacoma International Airport. Connecting flights between Seattle, WA and Washington, DC. Here is a list of connecting flights from Seattle, Washington to Washington, District of Columbia. This can help you find a one-stop flight with the shortest layover time. We found a total of 2 flights to Washington, DC with one connection: Airline routes; Delta Air Lines SEA to SLC to BWI Washington D.C.. $387 per passenger. Departing Thu, 25 Apr, returning Wed, 1 May. Return flight with Delta. Outbound direct flight with Delta departs from Seattle / Tacoma International on Thu, 25 Apr, arriving in Washington Dulles.This month, there are 26,970 flights arriving at Seattle / Tacoma Airport, which are 899 flights per day or 37 flights per hour. On an average day, there is at least 1 flight arriving every 2 minutes. The most frequently departed flights to Seattle / Tacoma are routes from Portland (PDX) in United States and Phoenix (PHX), also in United States.For a brand new experience: Purchase an Istanbul flight ticket now. You can travel to Istanbul, the central city of Turkish Airlines, with direct flights from many parts in Türkiye and the world. You can find out about Istanbul flight ticket prices and all the details you need for Istanbul flights on this page or the “ Flight ticket booking ...Find cheap flights from Washington, D.C. to Seattle from $81. Round-trip. 1 adult. Economy. 0 bags. Add hotel. Sat 5/18. Sat 5/25. Search. Direct flights only. Search …Find cheap flights from Washington, D.C. to Seattle from $81. Round-trip. 1 adult. Economy. 0 bags. Add hotel. Sat 5/18. Sat 5/25. Search. Direct flights only. Search …City Pair Program (CPP) The OMB-designated Best-in-Class City Pair Program procures and manages discounted air passenger transportation services for federal government travelers. At its inception in 1980 this service covered only 11 markets, and now covers over 13,000 markets. Today, CPP offers four different contract fares.Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and Ronald Reagan Washington National Airport (DCA) On average, flying from Seattle to Washington D.C. generates about 255 kg of CO2 per passenger, and 255 kilograms equals 563 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel. There are 15 weekly flights from Seattle/Tacoma to Washington, D.C. (Dulles) on Southwest Airlines. What day has the lowest fares from Seattle/Tacoma to Washington, D.C. (Dulles)? To find the lowest fares by day and time to fly Seattle/Tacoma to Washington, D.C. (Dulles) with Southwest, check out our Low Fare Calendar. Singapore Airlines destinations. Flights United States of America. to Washington, D.C. Singapore - Washington, D.C. Travel to Washington, D.C. with Singapore Airlines. Book your flight tickets today, and get ready to enjoy world-class hospitality on your safe and comfortable journey to Washington, D.C.. There are 15 weekly flights from Seattle/Tacoma to Washington, D.C. (Dulles) on Southwest Airlines. What day has the lowest fares from Seattle/Tacoma to Washington, D.C. (Dulles)? To find the lowest fares by day and time to fly Seattle/Tacoma to Washington, D.C. (Dulles) with Southwest, check out our Low Fare Calendar. Book cheap flights to Bishop/Mammoth (BIH) with United Airlines. Enjoy all the in-flight perks on your Bishop/Mammoth flight, including speed Wi-Fi. ... From Seattle (SEA) To Bishop/Mammoth (BIH) Roundtrip | Economy: 07/09/24 - 07/12/24: from. $ …Flight status. Help. Contact American. Receipts and refunds. FAQs. Agency reference. Cargo , Opens another site in a new window that may not meet accessibility guidelines. Bag and optional fees. Customer service and contingency plans.The best one-way flight to Washington, D.C. from Seattle in the past 72 hours is $79. The best round-trip flight deal from Seattle to Washington, D.C. found on momondo in the last 72 hours is $167. The fastest flight from Seattle to Washington, D.C. takes 4h 51m. Direct flights go from Seattle to Washington, D.C. every day.Direct. from $84. San Jose Cabo.$97 per passenger.Departing Wed, May 22.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Seattle / Tacoma International on Wed, May 22, arriving in San Jose Cabo.Price includes taxes and charges.From $97, select. San Jose Cabo Mexico.Wed 5/8 8:35 am SEA - IAD. Nonstop 5h 09m Delta. Deal found 4/17 $379. Pick Dates. One of the most popular airlines traveling from Washington, D.C. Dulles Intl Airport to Seattle is Delta. Flights from Delta traveling this route typically cost $377.81 RT.Discover fabulous offers and cheap airfare on flights to Seattle from major cities around the world. Call us 24/7 at 1-845-848-0154 to Get Cheap Flights! Flights. Packages.Apr 15, 2019 · Save 100% on your flight. $2,246. $1,481. per person. Mar 20 - Mar 27. Roundtrip non-stop flight included. Seattle (SEA) to Washington (DCA) Seattle Tacoma Intl (SEA) - Seattle, WA. Seattle Tacoma Intl (SEA) - Seattle, WA. Arrivals Departures Airport Delay Weather Parking Limos. Two bags fly free®1. No change2 and no cancel fees3. Flight credits don't expire4. Free entertainment 5,6 and $8 Internet 7. Low fare alert. Seattle/Tacoma, WAtoWashington, D.C. (Reagan National), DC. departing on10/2. one-way starting at*. $213. Find United Airlines cheap flights from Washington, D.C. to Seattle. Enjoy a Washington, D.C. to Seattle modern flight experience in premium cabins with Wi-Fi. There are 15 weekly flights from Seattle/Tacoma to Washington, D.C. (Dulles) on Southwest Airlines. What day has the lowest fares from Seattle/Tacoma to Washington, D.C. (Dulles)? To find the lowest fares by day and time to fly Seattle/Tacoma to Washington, D.C. (Dulles) with Southwest, check out our Low Fare Calendar. Flights from Seattle to Washington, D.C.. Use Google Flights to plan your next trip and find cheap one way or round trip flights from Seattle to Washington, D.C.. Find the...Book cheap flights to Washington, D.C. (IAD) with United Airlines. Enjoy all the in-flight perks on your Washington, D.C. flight, including speed Wi-Fi. ... From Seattle (SEA) To Washington, D.C. (IAD) Roundtrip | Economy: 06/04/24 - 06/11/24: from. $ 277* Viewed: 1 day ago. From New York/Newark (EWR) To Washington, D.C. (IAD) Roundtrip ...Cheap Flights from Boston to Seattle (BOS-SEA) Prices were available within the past 7 days and start at $125 for one-way flights and $226 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Boston to Seattle with no change fee on selected flights.Book cheap flights to Bishop/Mammoth (BIH) with United Airlines. Enjoy all the in-flight perks on your Bishop/Mammoth flight, including speed Wi-Fi. ... From Seattle (SEA) To Bishop/Mammoth (BIH) Roundtrip | Economy: 07/09/24 - 07/12/24: from. $ …Visit Washington, D.C. Flying into Washington Dulles International Airport is an easy way to start exploring the Capitol Region. Whether you’re heading into D.C. or exploring the wider D.C./Baltimore area, it’s all within reach. Consider renting a car to make it even easier to explore as much of the area as you please.The public flight service to the community began in 2018 to serve the mining industry in the region, but was cut in 2020. Four years later, some residents want the …Find the lowest prices on one-way and round-trip tickets right here. Seattle.$176 per passenger.Departing Wed, May 1, returning Fri, May 10.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Washington Ronald Reagan on Wed, May 1, arriving in Seattle / Tacoma International.Inbound indirect ...Flights from Seattle to Washington, D.C.. Use Google Flights to plan your next trip and find cheap one way or round trip flights from Seattle to Washington, D.C.. Find the...1 stop. from $209. Washington, D.C..$227 per passenger.Departing Wed, Aug 21, returning Wed, Sep 4.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Seattle / Tacoma International on Wed, Aug 21, arriving in Washington Ronald Reagan.Inbound indirect flight with Frontier Airlines, departing ...Cheap Flights from New York to Seattle (JFK-SEA) Prices were available within the past 7 days and start at $118 for one-way flights and $231 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from New York to Seattle with no change fee on selected flights.Search and compare first class flight deals to Washington, D.C.. Fly from Boston from $319. Book your first class tickets to Washington, D.C..The cheapest ticket to District of Columbia from the United States found in the last 72 hours was $39 one-way, and $98 round-trip. The most popular route is Los Angeles to Washington, D.C. Reagan-National and the cheapest round-trip airline ticket found on this route in the last 72 hours was $204. The two airlines most popular with KAYAK users for flights from Atlanta to Washington, D.C. are Delta and United Airlines. With an average price for the route of $212 and an overall rating of 8.0, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $208 and an overall rating of 7.4. The two airlines most popular with KAYAK users for flights from Seattle to Rome are Delta and WestJet. With an average price for the route of $1,207 and an overall rating of 8.0, Delta is the most popular choice. WestJet is also a great choice for the route, with an average price of $1,304 and an overall rating of 7.5.1 stop. from $209. Washington, D.C..$227 per passenger.Departing Wed, Aug 21, returning Wed, Sep 4.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Seattle / Tacoma International on Wed, Aug 21, arriving in Washington Ronald Reagan.Inbound indirect flight with Frontier Airlines, departing ...Book flights from Seattle/Tacoma Intl (SEA) to Washington, D.C. (WAS) starting at C$ 117. Search real-time flight deals from Seattle to Washington, D.C. on Cheapflights.ca.Cheap Flights from State College to Washington (SCE-DCA) Prices were available within the past 7 days and start at $173 for one-way flights and $278 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from State College to Washington with no change fee ...The distance between Seattle (Seattle–Tacoma International Airport) and Washington D.C. (Washington Dulles International Airport) is 2306 miles / 3711 kilometers / 2004 nautical miles. The driving distance from Seattle (SEA) to Washington D.C. (IAD) is 2740 miles / 4409 kilometers, and travel time by car is about 49 hours 14 minutes.Cheap Flights from Seattle to New York (SEA-JFK) Prices were available within the past 7 days and start at $118 for one-way flights and $225 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Seattle to New York with no change fee on selected flights.$129 Search for cheap flights deals from IAD to SEA (Washington Dulles Intl. to Seattle - Tacoma Intl.). We offer cheap direct, non-stop flights including one way and roundtrip tickets. ... Amazing IAD to SEA Flight Deals. The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $239 round trip and $129 one way. Prices ... Connect with us. Find low fares to top destinations on the official Southwest Airlines website. Book flight reservations, rental cars, and hotels on southwest.com. The average flying time for a direct flight from Seattle, WA to Washington DC is 5 hours 0 minutes. Most direct flights leave around 7:55 PDT. Alaska Airlines flight #922 is today's earliest flight from Seattle, WA to Washington DC (7:55 PDT, Boeing 737-800 (winglets) pax) Korean Air flight #2 is today's latest flight from Seattle, WA to ... There are 3 airlines that fly nonstop from Portland to Washington, D.C.. They are: Alaska Airlines, Spirit Airlines and United Airlines. The cheapest price of all airlines flying this route was found with Spirit Airlines at $121 for a one-way flight. On average, the best prices for this route can be found at Spirit Airlines.Caribbean ». Jamaica. $532. Flights to Kingston, Jamaica. $424. Flights to Montego Bay, Jamaica. Find flights to Jamaica from $189. Fly from Seattle on Frontier, American Airlines, Delta and more. Search for Jamaica flights on KAYAK now to find the best deal. Find flights to Washington, D.C. from £111. Fly from Seattle on Delta, Alaska Airlines, Sun Country Air and more. Search for Washington, D.C. flights on KAYAK now to find the best deal. Search and compare first class flight deals to Washington, D.C.. Fly from Boston from $319. Book your first class tickets to Washington, D.C..All flight schedules from Seattle Tacoma International , Washington , USA to Washington Dulles International , Virginia , USA . This route is operated by 3 airline (s), and the flight time is 6 hours and 00 minute. The distance is 2313 miles.Use Google Flights to plan your next trip and find cheap one way or round trip flights from Seattle to anywhere in the world.Flight Status & Notifications. All fields required. Search by. From City or Airport. To City or Airport. Departure Date Selected Departure date 2024AprilWednesday24. Open calender and then use pageup and pagedown to navigate between months and alt + pageup and alt + pagedown for years. There are 4 airlines that fly nonstop from Seattle to New York. They are: Alaska Airlines, Delta, JetBlue and United Airlines. The cheapest price of all airlines flying this route was found with Alaska Airlines at $103 for a one-way flight. On average, the best prices for this route can be found at JetBlue. Use Google Flights to plan your next trip and find cheap one way or round trip flights from Miami to Seattle. Find the best flights fast, track prices, and book with confidence. JetBlue offers flights to 90+ destinations with free inflight entertainment, free brand-name snacks and drinks, lots of legroom and award-winning service. from £197. Washington D.C.. £197 per passenger.Departing Tue, 22 Oct, returning Mon, 28 Oct.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Tue, 22 Oct, arriving in Baltimore Washington International.Inbound indirect flight with United, departs from Baltimore Washington ...Airfares from $85 One Way, $150 Round Trip from Washington to Seattle. Prices starting at $150 for return flights and $85 for one-way flights to Seattle were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Sun, May 5 - Fri, May 17. DCA. Washington.Cheap Flights from New York to Seattle (JFK-SEA) Prices were available within the past 7 days and start at $118 for one-way flights and $231 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from New York to Seattle with no change fee on selected flights.Book flights from Seattle/Tacoma to Washington, D.C. (Reagan National) with Southwest Airlines ®. It’s easy to find the Seattle-Tacoma International Airport to Ronald Reagan …The two airlines most popular with KAYAK users for flights from Seattle to Orlando are Alaska Airlines and Delta. With an average price for the route of $432 and an overall rating of 8.1, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $278 and an overall rating of 8.0.$86 Search for cheap flights deals from SEA to DCA (Seattle - Tacoma Intl. to Ronald Reagan Washington National). We offer cheap direct, non-stop flights including one way and roundtrip tickets. 1 stop. from $247. Seattle.$265 per passenger.Departing Tue, Oct 1, returning Tue, Oct 8.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Washington Dulles on Tue, Oct 1, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departing from Seattle / Tacoma International on Tue, Oct 8 ... The two airlines most popular with KAYAK users for flights from Seattle to Baltimore are Alaska Airlines and Delta. With an average price for the route of $462 and an overall rating of 8.1, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $376 and an overall rating of 8.0.All flight schedules from Washington Dulles International , Virginia , USA to Seattle Tacoma International , Washington , USA . This route is operated by 3 airline (s), and the flight time is 6 hours and 07 minutes. The distance is 2313 miles. $139 Cheap Delta flights Seattle (SEA) to Washington (IAD) Prices were available within the past 7 days and start at $139 for one-way flights and $251 for round trip, for the period specified. Find cheap flights to Seattle from $43. Round-trip. 1 adult. Economy. 0 bags. Add hotel. Thu 5/23. Thu 5/30. Search. Direct flights only. Search hundreds of travel sites at once …Carriers which have flown such direct red eye flights from Seattle may include: Alaska Airlines departing SEA around 9:25pm and arriving IAD around 5:30am. United Airlines departing SEA around 11:30pm and arriving IAD around 7:17am. Example departure times listed are local to origin airport time zone, and arrival times are local to destination.The JetBlue flight departed from DC at 1:29 p.m. Thursday and landed at Logan International Airport at 2:47 p.m., almost six hours later than it was originally …Cheap Seattle to Delaware flights in April & May 2024. Check out some of the best flight deals from Seattle to Delaware in 2024. Check back regularly for other flight deals. vie. 5/17 10:24 pm SEA - PHL. 1 stop 28h 10m Frontier.Seattle Tacoma Intl (SEA) - Seattle, WA. Seattle Tacoma Intl (SEA) - Seattle, WA. Arrivals Departures Airport Delay Weather Parking Limos.
The calculation of flight time is based on the straight line distance from Seattle, WA to Washington, DC ("as the crow flies"), which is about 2,327 miles or 3 745 kilometers. Your trip begins in Seattle, Washington. It ends in Washington, District of Columbia. Your flight direction from Seattle, WA to Washington, DC is East (88 degrees from .... Las vegas boulevard map of hotels
April 23, 2024 at 11:05 a.m. EDT. A couple watch an April moon rise in 2021 in New Albany, Ind. (Charlie Riedel/AP) April’s full moon, commonly known as the “pink” …Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and Ronald Reagan Washington National Airport (DCA) On average, flying from Seattle to Washington D.C. generates about 255 kg of CO2 per passenger, and 255 kilograms equals 563 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.All flight schedules from Seattle Tacoma International , Washington , USA to Washington Dulles International , Virginia , USA . This route is operated by 3 airline (s), and the flight time is 6 hours and 00 minute. The distance is 2313 miles.Washington D.C.. $387 per passenger. Departing Thu, 25 Apr, returning Wed, 1 May. Return flight with Delta. Outbound direct flight with Delta departs from Seattle / Tacoma International on Thu, 25 Apr, arriving in Washington Dulles. On average, a flight to Washington, D.C. costs $357. The cheapest price found on KAYAK in the last 2 weeks cost $19 and departed from Detroit Metropolitan Wayne County Airport. The most popular routes on KAYAK are Los Angeles to Washington, D.C. which costs $394 on average, and Raleigh to Washington, D.C., which costs $629 on average. Cheap Flights from Reagan Washington to Seattle from $75 | (DCA - SEA) - KAYAK. DCA - SEA. Find cheap flights from Reagan Washington National Airport to Seattle from …Search and compare first class flight deals to Washington, D.C.. Fly from Boston from $319. Book your first class tickets to Washington, D.C..Find cheap flights from Washington, D.C. to Seattle from $81. Round-trip. 1 adult. Economy. 0 bags. Add hotel. Sat 5/18. Sat 5/25. Search. Direct flights only. Search …Book flights from Seattle/Tacoma to Washington, D.C. (Reagan National) with Southwest Airlines ®. It’s easy to find the Seattle-Tacoma International Airport to Ronald Reagan …That’s why Sec. Buttigieg says the Biden administration is issuing a new refund rule that will force airlines to automatically refund travelers if their flights are …There are 5 airlines that fly nonstop from Seattle to Chicago. They are: Alaska Airlines, American Airlines, Delta, Southwest and United Airlines. The cheapest price of all airlines flying this route was found with Delta at $98 for a one-way flight. On average, the best prices for this route can be found at Alaska Airlines.Cheap Flights from Washington to Omaha (DCA-OMA) Prices were available within the past 7 days and start at $80 for one-way flights and $114 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Washington to Omaha with no change fee on selected flights.Connecting flights between Washington, DC and Seattle, WA. Here is a list of connecting flights from Washington, District of Columbia to Seattle, Washington. This can help you find a one-stop flight with the shortest layover time. We found a total of 24 flights to Seattle, WA with one connection: Airline routes; American Airlines DCA to DFW to SEACheap Flights from Seattle (SEA) to Washington (DCA) Prices were available within the past 7 days and start at AU$146 for one-way flights and AU$423 for round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.City Pair Program (CPP) The OMB-designated Best-in-Class City Pair Program procures and manages discounted air passenger transportation services for federal government travelers. At its inception in 1980 this service covered only 11 markets, and now covers over 13,000 markets. Today, CPP offers four different contract fares..