Departing from. Chicago Midway International Airport (MDW) Arriving at. Seattle-Tacoma International Airport (SEA) Average flight time. 4 hours 28 minutes. Distance. 1733 miles.UA1872 and Seattle SEA to Chicago ORD Flights. Flight UA1872 is code-shared by 2 airlines using the flight numbers AV2329, LH7505. Other flights departing from Seattle SEA: AS85, AS1410, AS1258, WN1969. Other flights arriving at Chicago ORD: DL2087, UA2042, WN892, UA2348. All flights connecting Seattle SEA to … Chicago. $123 per passenger. Departing Sat, May 11, returning Tue, May 14. Round-trip flight with Frontier Airlines. Outbound indirect flight with Frontier Airlines, departing from Seattle / Tacoma International on Sat, May 11, arriving in Chicago O'Hare International. Sunday. 31-Mar-2024. 09:55AM CDT Chicago O'Hare Intl - ORD. 12:39PM PDT Seattle-Tacoma Intl - SEA. B738. 4h 44m. Join FlightAware View more flight history Purchase entire flight history for AAL2398.Direct. Wed, 14 Aug ORD - SEA with United. Direct. from $274. Chicago.$284 per passenger.Departing Fri, 6 Sep, returning Tue, 10 Sep.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Fri, 6 Sep, arriving in Chicago O'Hare International.Inbound direct flight with Delta departs from Chicago ...Apr 24, 2024. The U.S. Department of Transportation on Wednesday announced new rules for airlines and passengers that make it easier for travelers to get …The calculation of flight time is based on the straight line distance from Seattle, WA to Chicago, IL ("as the crow flies"), which is about 1,737 miles or 2 796 kilometers. Your trip begins in Seattle, Washington. It ends in Chicago, Illinois. Your flight direction from Seattle, WA to Chicago, IL is East (90 degrees from North). The flight time ...What companies run services between Seattle, WA, USA and Chicago, IL, USA? Delta, United Airlines and two other airlines fly from Seattle, WA to Chicago hourly. Alternatively, Amtrak operates a train from Seattle to Chicago Union Station twice daily. Tickets cost $90 - $600 and the journey takes 45h 50m.Fri, 24 Jan ORD - SEA with Alaska Airlines. Direct. from £135. Chicago. £136 per passenger.Departing Tue, 19 Nov, returning Tue, 3 Dec.Return flight with United.Outbound direct flight with United departs from Seattle / Tacoma International on Tue, 19 Nov, arriving in Chicago O'Hare International.Inbound direct flight with United departs from ...Wed, 11 Sep MDW - SEA with Frontier Airlines. 1 stop. from $258. Chicago.$261 per passenger.Departing Tue, 10 Sep, returning Sat, 14 Sep.Return flight with United.Outbound direct flight with United departs from Seattle / Tacoma International on Tue, 10 Sep, arriving in Chicago O'Hare International.Inbound direct flight with United departs from ...Chicago is a hub for United and American, and is the busiest city for Southwest, so I'm having a hard time believing that you can't find a decently timed flight. The Amtrak ride between the two is fantastic but takes about 2-3 days each way, so if nine hours was too long for you to fly, that's probably not the way to go.The two airlines most popular with KAYAK users for flights from Seattle to Marquette are Delta and American Airlines. With an average price for the route of $592 and an overall rating of 8.0, Delta is the most popular choice. American Airlines is also a great choice for the route, with an average price of $686 and an overall rating of 7.3.The average flying time for a direct flight from Seattle, WA to Chicago is 3 hours 59 minutes Most direct flights leave around 10:45 PDT Southwest Airlines flight #689 is today's earliest flight from Seattle, WA to Chicago (6:30 …Compare flight deals to Chicago from Seattle from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Chicago start from £48 one-way. Flex your dates to find the best SEA-ORD ticket prices.4 days ago · American Airlines flights from Seattle to Chicago SEA Seattle United States-> 4 hours 0 min 2,764km 1,717mi. ORD Chicago United ... Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight.Use Google Flights to find cheap departing flights to Chicago and to track prices for specific travel dates for your next getaway.Track Alaska Airlines (AS) #408 flight from Seattle-Tacoma Intl to Chicago O'Hare Intl. Flight status, tracking, and historical data for Alaska Airlines 408 (AS408/ASA408) including scheduled, estimated, and actual departure and arrival times.Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight.Chicago is a hub for United and American, and is the busiest city for Southwest, so I'm having a hard time believing that you can't find a decently timed flight. The Amtrak ride between the two is fantastic but takes about 2-3 days each way, so if nine hours was too long for you to fly, that's probably not the way to go.Alaska Airlines - (AS) lists 2 direct nighttime flights on average from Seattle to Chicago. Delta Air Lines - (DL) with about 1 end of day scheduled flights between SEA and ORD from 6:00pm to 11:00pm. American Airlines - (AA) lists 1 direct nighttime flights on average from Seattle to Chicago.Best Flight Tracker: Live Tracking Maps, Flight Status, and Airport Delays for airline flights, private/GA flights, and airports.Distance from Chicago to Seattle (Chicago O'Hare International Airport – Seattle–Tacoma International Airport) is 1721 miles / 2769 kilometers / 1495 nautical miles. See also a map, estimated flight duration, carbon dioxide emissions and the time difference between Chicago and Seattle.Check Frontier flight status, including departure time, arrival time, and gate information. Book a Flight. My Trip/Check-In. Flight Status. BOOK A FLIGHT. Trip Type Round-trip One-way Select a to and from city From* To* Select … Chicago. $123 per passenger. Departing Sat, May 11, returning Tue, May 14. Round-trip flight with Frontier Airlines. Outbound indirect flight with Frontier Airlines, departing from Seattle / Tacoma International on Sat, May 11, arriving in Chicago O'Hare International. Disclaimer for Flight Radar Data. Flight AS408 from Seattle to Chicago is operated by Alaska Airlines. Scheduled time of departure from Seattle Tacoma Intl is 06:00 PDT and scheduled time of arrival in Chicago Ohare Intl is 12:10 CDT. The duration of the flight Alaska Airlines AS 408 is 4 hours 10 minutes.Pick Dates. One of the most popular airlines traveling from Chicago to Seattle is Frontier. Flights from Frontier traveling this route typically cost $469.61 RT. This price is typically 25% cheaper than other airlines that offer Chicago to Seattle flights. When booking this route, the cheapest RT price found was $99.Cheap Flights from Seattle / Tacoma International (SEA) to Chicago (CHI) from $136 | Skyscanner. Roundtrip One way Multi-city. Depart. 28/04/2024. Return. 05/05/2024. …Flight UA2138 is code-shared by 2 airlines using the flight numbers LH7507, OS7704. Other flights departing from Seattle SEA: AA4866, AS85, AS1256, AS3452. Other flights arriving at Chicago ORD: UA971, UA1693, UA2320, UA580. All flights connecting Seattle SEA to Chicago ORD.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 cheapest flights to O'Hare Intl. found within the past 7 days were $111 round trip and $59 one way. Prices and availability subject to change. Additional terms may apply. Wed, Apr 17 - Thu, Apr 18. SEA. Seattle. ORD. Chicago. Selected fares from Seattle to Chicago. The cheapest prices found with in the last 7 days for return flights were $128 and $64 for one-way flights to Chicago for the period specified. Prices and availability are subject to change. Compare cheap flights to Chicago with Alaska Airlines. Enjoy our low prices and generous experience. Book the lowest fares on Chicago flights today. ... From Seattle (SEA) To Chicago (ORD) One-way | Main: Depart: May 21, 2024: From. $115* Seen: 12 hours ago. From Portland (PDX) To Chicago (ORD) One-way | Main: Depart: Jul 23, …The cheapest flights to O'Hare Intl. found within the past 7 days were $111 round trip and $59 one way. Prices and availability subject to change. Additional terms may apply. Wed, Apr 17 - Thu, Apr 18. SEA. Seattle. ORD. Chicago.The average cost for 1 stop (s) flight from Seattle to Chicago is $259.49. Alaska Airlines operates 56 flights every week between Seattle and Chicago. Usually, people stay 7 days when travelling from Seattle to Chicago. Flights between Seattle and Chicago can sometimes be canceled.Round trip. I. Economy. See Latest Fare. Chicago (ORD) to. Seattle (SEA) 05/01/24 - 05/08/24. from. $268*.United flights from Seattle to Chicago from. $ 169. * 1 Passenger, Economy. Home. United flights. Flights to United States. Seattle - Chicago. … Airfares from $64 One Way, $128 Round Trip from Seattle to Chicago. Prices starting at $128 for return flights and $64 for one-way flights to Chicago were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Sat, May 11 - Tue, May 14. SEA. Seattle. MDW. My dates are flexible. SHOW FARES. Include Nearby Airports. Search for a Delta flight round-trip, multi-city or more. You choose from over 300 destinations worldwide to find a flight that fits your schedule.Find the best deals on flights from Seattle / Tacoma International (SEA) to Chicago Midway (MDW). Compare prices from hundreds of major travel agents and airlines, all in one search.Use our interactive route map, select your trip type, and our budget filters on United Explore to find the perfect flight. Where does United fly? United Airlines - Airline Tickets, Travel Deals and FlightsThe best one-way flight to Chicago from Seattle in the past 72 hours is $43. The best round-trip flight deal from Seattle to Chicago found on momondo in the last 72 hours is $103. The fastest flight from Seattle to Chicago takes 3h 53m. Direct flights go from Seattle to Chicago every day. There are 2 airports near Chicago: Chicago O'Hare Intl ...Cheap Flights from Chicago to Seattle (CHI-SEA) Prices were available within the past 7 days and start at $70 for one-way flights and $128 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Chicago to Seattle with no change fee on selected flights.The flight time from Seattle to Chicago is 3 hours, 56 minutes. The time spent in the air is 3 hours, 23 minutes. These numbers are averages. In reality, it varies by airline with United being the fastest taking 3 hours, 51 minutes, and Alaska the slowest taking 3 …Fall sees many cultural festivals, such as Croatia Fest, Fremont Oktoberfest and TurkFest. Winter highlights include Winterfest, Seattle Boat Show and Wintergrass Bluegrass Festival. Book cheap flights to Seattle (SEA) with United Airlines. Enjoy all the in-flight perks on your Seattle flight, including speed Wi-Fi.Find cheap flights from Seattle to Illinois from $59. Round-trip. 1 adult. Economy. 0 bags. Direct flights only Add hotel. Sat 5/11. Sat 5/18. Search hundreds of travel sites at once …Flight deals from Seattle to Chicago O'Hare International. Looking for a cheap last-minute deal or the best round-trip flight from Seattle to Chicago O'Hare … Looking for a cheap and comfortable flight from Chicago to Seattle? Book with United Airlines and enjoy premium cabins, Wi-Fi, and flexible dates. Compare our daily fares and special offers for flights from Chicago (ORD) to Seattle (SEA) and save more on your trip. Distance from Chicago to Seattle (Chicago O'Hare International Airport – Seattle–Tacoma International Airport) is 1721 miles / 2769 kilometers / 1495 nautical miles. See also a map, estimated flight duration, carbon dioxide emissions and the time difference between Chicago and Seattle.There are 3 airlines that fly nonstop from Seattle to Minneapolis. They are: Alaska Airlines, Delta and Sun Country Air. The cheapest price of all airlines flying this route was found with Sun Country Air at $119 for a one-way flight. On average, the best prices for this route can be found at Sun Country Air.For a flight from Chicago Midway to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 1 inbound flight from Chicago Midway per day. 3 airlines have flights to Seattle/Tacoma Intl from Chicago Midway on …Alaska Airlines is one of the most popular airlines used for those traveling from Seattle to Chicago O'Hare Intl Airport. Flights on this route from Alaska Airlines typically cost $312.80 RT, a price that is 38% cheaper than the average Seattle to Chicago O'Hare Intl Airport flight. The cheapest flight found was $99 RT.The average flying time for a direct flight from Seattle, WA to Chicago is 3 hours 59 minutes Most direct flights leave around 10:45 PDT Southwest Airlines flight #689 is today's earliest flight from Seattle, WA to Chicago (6:30 …The flight time from Chicago to Seattle is 4 hours, 27 minutes. The time spent in the air is 3 hours, 53 minutes. These numbers are averages. In reality, it varies by airline with Delta being the fastest taking 4 hours, 23 minutes, and Alaska the slowest taking 4 …UA656 and Seattle SEA to Chicago ORD Flights. This is a multi leg flight of United Airlines UA656. Next leg is Chicago to Washington. Flight UA656 is code-shared by 5 airlines using the flight numbers EK6356, LX3255, SK8750, SN8876, TK8610. Other flights departing from Seattle SEA: AS3342, AA2767, WN2911, AS586. Compare flight deals to Chicago from Seattle from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Chicago start from £48 one-way. Flex your dates to find the best SEA-ORD ticket prices. 4 days ago · American Airlines flights from Seattle to Chicago SEA Seattle United States-> 4 hours 0 min 2,764km 1,717mi. ORD Chicago United ... Chicago. Compare Seattle to Chicago flight deals. Find the cheapest month or even day of the year to fly to Chicago. Book the best Chicago fare with no extra fees. Flight deals from Seattle to Chicago. Looking for a cheap last-minute deal or the best round-trip flight from Seattle to Chicago? The cheapest flights to O'Hare Intl. found within the past 7 days were $111 round trip and $59 one way. Prices and availability subject to change. Additional terms may apply. Wed, Apr 17 - Thu, Apr 18. SEA. Seattle. ORD. Chicago.American Airlines flights from Seattle to Chicago SEA Seattle United States-> 4 hours 0 min 2,764km 1,717mi. ORD Chicago United States. 98 Flights/Week 166 Seats/Flight 16,273 Seats/Week AIRLINE: American Airlines AA/AAL. 10 Flights/Week 166 Seats/Flight 1,629 Seats/Week 1 Flights/week delayed 92% On-Time Performance ...There are 3 airlines that fly nonstop from Seattle to Minneapolis. They are: Alaska Airlines, Delta and Sun Country Air. The cheapest price of all airlines flying this route was found with Sun Country Air at $119 for a one-way flight. On average, the best prices for this route can be found at Sun Country Air. Flights to Champaign, Illinois. $127. Flights to Chicago, Illinois. $621. Flights to Decatur, Illinois, Illinois. Find flights to Illinois from $59. Fly from Seattle on Frontier, Alaska Airlines, Delta and more. Search for Illinois flights on KAYAK now to find the best deal. Disclaimer for Flight Radar Data. Flight AS353 from Chicago to Seattle is operated by Alaska Airlines. Scheduled time of departure from Chicago Ohare Intl is 17:46 CDT and scheduled time of arrival in Seattle Tacoma Intl is 20:23 PDT. The duration of the flight Alaska Airlines AS 353 is 4 hours 37 minutes.Cheap Flights from Seattle to Minneapolis (SEA-MSP) Prices were available within the past 7 days and start at $50 for one-way flights and $100 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 Minneapolis with no change fee on selected ...AS328 and Seattle SEA to Chicago ORD Flights. Flight AS328 is code-shared by 1 airline using the flight number KE6117. Other flights departing from Seattle SEA: AS420, AS135, UA747, AS474. Other flights arriving at Chicago ORD: UA2423, Y4700, UA2259, AA241. All flights connecting Seattle SEA to Chicago ORD.Cheap Flights from SEA to ORD starting at $64 One Way, $139 Round Trip. Prices starting at $139 for return flights and $64 for one-way flights to O'Hare Intl. were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Wed, Nov 13 - Tue, Nov 19.1 stop. from £94. Chicago. £106 per passenger.Departing Sat, 1 Jun, returning Sat, 8 Jun.Return flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Sat, 1 Jun, arriving in Chicago O'Hare International.Inbound direct flight with Alaska Airlines departs from Chicago O'Hare ...Looking for a cheap and comfortable flight from Chicago to Seattle? Book with United Airlines and enjoy premium cabins, Wi-Fi, and flexible dates. Compare our daily fares and special offers for flights from Chicago (ORD) to Seattle (SEA) and save more on your trip.Chicago is a hub for United and American, and is the busiest city for Southwest, so I'm having a hard time believing that you can't find a decently timed flight. The Amtrak ride between the two is fantastic but takes about 2-3 days each way, so if nine hours was too long for you to fly, that's probably not the way to go. Cheap flights from Seattle (SEA) to Chicago (ORD) Prices were available within the past 7 days and start at CA $95 for one-way flights and CA $190 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 Chicago with no change fee on selected ... Chicago. £136 per passenger.Departing Tue, 10 Sep, returning Sat, 14 Sep.Return flight with United.Outbound direct flight with United departs from Seattle / Tacoma …The calculation of flight time is based on the straight line distance from Seattle, WA to Chicago, IL ("as the crow flies"), which is about 1,737 miles or 2 796 kilometers. Your trip begins in Seattle, Washington. It ends in Chicago, Illinois. Your flight direction from Seattle, WA to Chicago, IL is East (90 degrees from North). The flight time ...There are 3 airlines that fly nonstop from Seattle to Minneapolis. They are: Alaska Airlines, Delta and Sun Country Air. The cheapest price of all airlines flying this route was found with Sun Country Air at $119 for a one-way flight. On average, the best prices for this route can be found at Sun Country Air.Your localized air-travel weather forecast, from AccuWeather, provides you with the tailored weather forecast that you need to plan your day's activitiesCompare flight deals to Chicago from Seattle from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Chicago start from £48 one-way. Flex your dates to find the best SEA-ORD ticket prices.Amid rumblings the Chicago Bears could be targeting a wide receiver with their second first-round pick in the 2024 NFL draft, presumptive No. 1 overall pick Caleb … Direct. from £106. Chicago. £112 per passenger.Departing Tue, 15 Oct, returning Sat, 19 Oct.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Tue, 15 Oct, arriving in Chicago O'Hare International.Inbound direct flight with Delta departs from Chicago O'Hare International on Sat, 19 Oct ... The cheapest flights to O'Hare Intl. found within the past 7 days were $111 round trip and $59 one way. Prices and availability subject to change. Additional terms may apply. Wed, Apr 17 - Thu, Apr 18. SEA. Seattle. ORD. Chicago.Mar 5, 2024 · Compare flight deals to Chicago FSS from Seattle / Tacoma International from over 1,000 providers. Then choose the cheapest plane tickets or fastest journeys. Flex your dates to find the best Seattle / Tacoma International–Chicago FSS ticket prices. The cheapest return flight ticket from Seattle to Athens found by KAYAK users in the last 72 hours was for $677 on Turkish Airlines, followed by Air Canada ($718). One-way flight deals have also been found from as low as $609 on …Round trip. I. Economy. See Latest Fare. Chicago (ORD) to. Seattle (SEA) 05/01/24 - 05/08/24. from. $268*.The two airlines most popular with KAYAK users for flights from Seattle to Marquette are Delta and American Airlines. With an average price for the route of $592 and an overall rating of 8.0, Delta is the most popular choice. American Airlines is also a great choice for the route, with an average price of $686 and an overall rating of 7.3.For a flight from Chicago Midway to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 1 inbound flight from Chicago Midway per day. 3 airlines have flights to Seattle/Tacoma Intl from Chicago Midway on …Your localized air-travel weather forecast, from AccuWeather, provides you with the tailored weather forecast that you need to plan your day's activitiesDirect. Tue, 11 Jun ORD - SEA with Alaska Airlines. Direct. from £110. Chicago. £122 per passenger.Departing Sat, 11 May, returning Sat, 18 May.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Sat, 11 May, arriving in Chicago O'Hare International.Inbound ...Use our interactive route map, select your trip type, and our budget filters on United Explore to find the perfect flight. Where does United fly? United Airlines - Airline Tickets, Travel Deals and Flights Flights from Seattle to Chicago. Use Google Flights to plan your next trip and find cheap one way or round trip flights from Seattle to Chicago. Find the best flights fast,... Which airlines provide the cheapest flights from Seattle to Philadelphia? In the last 72 hours, the cheapest one-way ticket from Seattle to Philadelphia found on KAYAK was with Frontier for $56. Frontier proposed a round-trip connection from $145 and Spirit Airlines from $227.
The two airlines most popular with KAYAK users for flights from Seattle to San Jose are Alaska Airlines and Delta. With an average price for the route of $216 and an overall rating of 8.0, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $208 and an overall rating of 8.0.. Sfo to new zealand
What companies run services between Chicago, IL, USA and Seattle, WA, USA? Southwest Airlines and Delta fly from Chicago to Seattle every 4 hours. Alternatively, Amtrak operates a train from Chicago Union Station to Seattle twice daily. Tickets cost $90 - $600 and the journey takes 46h 24m.Cheap Flights from Seattle / Tacoma International (SEA) to Chicago O'Hare International (ORD) from $137 | Skyscanner. Roundtrip One way Multi-city. Depart. 28/04/2024. …Fri, 24 Jan ORD - SEA with Alaska Airlines. Direct. from £135. Chicago. £136 per passenger.Departing Tue, 11 Jun, returning Tue, 18 Jun.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Tue, 11 Jun, arriving in Chicago O'Hare International.Inbound direct flight with Delta departs from ...One-way low-fare flights Chicago to Seattle.* From. flight_takeoff. To. flight_land. Budget $ Cabin Class. Select travel class. keyboard_arrow_down. From. To. Fare Type. Dates. Price. From Chicago (ORD) To Seattle (SEA) One-way | Saver: Depart: May 29, 2024: From. $70* Seen: 12 hours agoWhich airlines provide the cheapest flights from Seattle to Philadelphia? In the last 72 hours, the cheapest one-way ticket from Seattle to Philadelphia found on KAYAK was with Frontier for $56. Frontier proposed a round-trip connection from $145 and Spirit Airlines from $227. Most airlines such as Delta, Alaska Airlines, and United Airlines fly to Chicago from Seattle in 3h 58m. For as low as $93 per ticket, Delta offers the fastest flight to Chicago from Seattle. From Seattle to Chicago you’ll be flying around 1725 mi. All flights for this route are typically nonstop. Most airlines such as Delta, Alaska Airlines, and United Airlines fly to Chicago from Seattle in 3h 58m. For as low as $93 per ticket, Delta offers the fastest flight to Chicago from Seattle. From Seattle to Chicago you’ll be flying around 1725 mi. All flights for this route are typically nonstop. Find the best deals on flights from Seattle / Tacoma International (SEA) to Chicago Midway (MDW). Compare prices from hundreds of major travel agents and airlines, all in one search. UA656 and Seattle SEA to Chicago ORD Flights. This is a multi leg flight of United Airlines UA656. Next leg is Chicago to Washington. Flight UA656 is code-shared by 5 airlines using the flight numbers EK6356, LX3255, SK8750, SN8876, TK8610. Other flights departing from Seattle SEA: AS3342, AA2767, WN2911, AS586.Flight deals from Seattle to Chicago. Looking for a cheap last-minute deal or the best return flight from Seattle to Chicago? Find the lowest prices on one-way and return …Find cheap flights from Seattle to Chicago on Skyscanner. Book the best deals for your flights to CHI from SEA.On average, a flight to Chicago O'Hare Intl Airport costs $411. The cheapest price found on KAYAK in the last 2 weeks cost $33 and departed from Atlanta. The most popular routes on KAYAK are New York to Chicago O'Hare Intl Airport which costs $282 on average, and Boston to Chicago O'Hare Intl Airport, which costs $395 on average..