Use Google Flights to plan your next trip and find cheap one way or round trip flights from Chicago to Seattle. Find the best flights fast, track prices, and book with confidence. 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 agoWhen flying from Seattle to Chicago O'Hare Intl Airport, Delta flights are 11% more popular than any other airline flying that same route. Cheap Seattle to O'Hare Intl flights in April & May 2024 Find cheap flight options from Seattle to O'Hare Intl specifically for the months of April and May 2024.Direct. 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 ...Find The Best Day To Fly from Seattle to Chicago Amazing United SEA to ORD Flight Deals The cheapest flights to O'Hare Intl. found within the past 7 days were $156 round trip and $70 one way.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. Track United (UA) #747 flight from Seattle-Tacoma Intl to Chicago O'Hare Intl Flight status, tracking, and historical data for United 747 (UA747/UAL747) including scheduled, estimated, and actual departure and arrival times. 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, … 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. 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.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 $395 on average.Go to the The Chicago Flight Deals page; For more of the latest cheap Seattle Flight Deals: Go to the The Seattle Flight Deals page * The Flight Deal will …Find cheap flights from Seattle to Chicago from C$ 97. Return. 1 adult. Economy. 0 bags. Sat 18/5. Sat 25/5. Search. Nonstop flights only. Search hundreds of travel sites at once …Check Flight Status. Get up-to-date information by completing the form below. Change of Heart? No change fees*. Reach us at 1-800-I-FLY-SWA (1-800-435-9792) or online at least 10 minutes before departure time. *Fare differences may apply.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.Apr 25, 2024 · Economy. See Latest Fare. Seattle (SEA) to. Chicago (ORD) 06/05/24 - 06/12/24. from. $199*. Updated: 2 hours ago. Round trip. 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.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.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 FlightsNext leg is Chicago to Houston. Flight UA354 is code-shared by 4 airlines using the flight numbers EK6356, LX3255, SK8750, SN8876. Other flights departing from Seattle SEA: AS438, AS620, AS576, WS1551. Other flights arriving at Chicago ORD: UA521, UA2141, UA1840, UA5483. All flights connecting Seattle SEA to Chicago ORD. Chicago Midway Airport. $148. Flights to Chicago Midway Airport, Chicago. Fly from Seattle to Chicago Midway Airport on Frontier from $70... Search for Chicago Midway Airport flights on KAYAK now to find the best deal. Mar 5, 2024 · 1 stop. from $133. Chicago.$176 per passenger.Departing Wed, Sep 25, returning Sat, Sep 28.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Seattle / Tacoma International on Wed, Sep 25, arriving in Chicago Midway.Inbound indirect flight with Frontier Airlines, departing from Chicago ... Tue, 16 Apr SEA - ORD with Delta. Direct. from ₹ 4,306. Chicago. ₹ 4,813 per passenger.Departing Mon, 25 Mar.One-way flight with United.Outbound direct flight with United departs from Seattle / Tacoma International on Mon, 25 Mar, arriving in Chicago O'Hare International.Price includes taxes and charges.From ₹ 4,813, select.Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight.Seattle. Cheap flights from Seattle to Chicago from £98.99. Seattle (United States) - Chicago (United States) return flights from £128.99. From 01/06/2024 (Saturday) - 08/06/2024 (Saturday). Check for the dates with the … Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight. 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 AS410 Flight Radar Data. Flight AS410 from Seattle to Chicago is operated by Alaska Airlines. Scheduled time of departure from Seattle Tacoma Intl is 12:12 PDT and scheduled time of arrival in Chicago Ohare Intl is 18:19 CDT. The duration of the flight Alaska Airlines AS 410 is 4 hours 7 minutes.The Boeing 737-800 is the aircraft model that flies most regularly on the Seattle to Chicago flight route. Which airline alliances offer flights from Seattle to Chicago? oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Seattle and Chicago, with oneworld being the most commonly used for this route.The total straight line flight distance from Chicago, IL to Seattle, WA is 1,737 miles. This is equivalent to 2 796 kilometers or 1,510 nautical miles. Your trip begins in Chicago, Illinois. It ends in Seattle, Washington. Your flight direction from Chicago, IL to Seattle, WA is Northwest (-65 degrees from North). The distance calculator helps ...Distance from Seattle to Chicago (Seattle–Tacoma International Airport – Chicago O'Hare International Airport) is 1721 miles / 2769 kilometers / 1495 nautical miles. See also a map, estimated flight duration, carbon dioxide emissions and … 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. from ₹ 4,911. Chicago. ₹ 5,458 per passenger.Departing Tue, 4 Jun.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Tue, 4 Jun, arriving in Chicago O'Hare International.Price includes taxes and charges.From ₹ 5,458, select. Tue, 4 Jun SEA - ORD with Alaska Airlines.Flight time from Seattle, United States to Chicago, United States is 3 hours 28 minutes under avarage conditions. Our flight time calculator assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/hr or 434 knots. Actual flight times may vary depending on aircraft type, cruise speed, routing, weather ...Midway sits on the southwest side of Chicago, eight miles from the Loop (downtown Chicago’s central business district). O’Hare is located on the far northwest side of the city, about 17 miles from the Loop. It’s easy to get into the city from both airports with service from Chicago Transit Authority’s L Trains.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.Disclaimer for AS538 Flight Radar Data. Flight AS538 from Seattle to Chicago is operated by Alaska Airlines. Scheduled time of departure from Seattle Tacoma Intl is 17:58 PDT and scheduled time of arrival in Chicago Ohare Intl is 23:58 CDT. The duration of the flight Alaska Airlines AS 538 is 4 hours 0 minute. 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 ... Departing from. Chicago Midway International Airport (MDW) Arriving at. Seattle-Tacoma International Airport (SEA) Average flight time. 4 hours 28 minutes. Distance. 1733 miles.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 ...Return flights from Seattle SEA to Chicago MDW with Delta If you’re planning a round trip, booking return flights with Delta is usually the most cost-effective option. With airfares ranging from $332 to $332, it’s easy to find a flight that suits your budget.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.Midway sits on the southwest side of Chicago, eight miles from the Loop (downtown Chicago’s central business district). O’Hare is located on the far northwest side of the city, about 17 miles from the Loop. It’s easy to get into the city from both airports with service from Chicago Transit Authority’s L Trains. There are 5 airlines that fly nonstop from Chicago to Seattle. They are: Alaska Airlines, American Airlines, Delta, Southwest and United Airlines. The cheapest price of all airlines flying this route was found with Alaska Airlines at $94 for a one-way flight. On average, the best prices for this route can be found at American Airlines. Find cheap flights from Seattle to Chicago from C$ 97. Return. 1 adult. Economy. 0 bags. Sat 18/5. Sat 25/5. Search. Nonstop flights only. Search hundreds of travel sites at once …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.Find cheap flights from Seattle to Chicago on Skyscanner. Book the best deals for your flights to CHI from SEA.Realtime Alaska Airlines Flight Status and Tracking from ORD to SEA on AS329. See flight tracker maps, pre-order food, upgrade your seat, view waitlists, amenities, and aircraft information. ... Chicago-O'Hare (ORD) Seattle (SEA) Last updated 03:04 am . Gates and times may change. Please check the airport monitors for the latest …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.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.Seattle. 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. … There are 5 airlines that fly nonstop from Chicago to Seattle. They are: Alaska Airlines, American Airlines, Delta, Southwest and United Airlines. The cheapest price of all airlines flying this route was found with Alaska Airlines at $94 for a one-way flight. On average, the best prices for this route can be found at American Airlines. 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. 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. All flight schedules from Seattle Tacoma International , Washington , USA to Chicago Midway International , Illinois , USA . This route is operated by 1 airline (s), and the flight time is 4 hours and 15 minutes. The distance is 1738 miles. 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. Midway sits on the southwest side of Chicago, eight miles from the Loop (downtown Chicago’s central business district). O’Hare is located on the far northwest side of the city, about 17 miles from the Loop. It’s easy to get into the city from both airports with service from Chicago Transit Authority’s L Trains.Next leg is Chicago to Houston. Flight UA354 is code-shared by 4 airlines using the flight numbers EK6356, LX3255, SK8750, SN8876. Other flights departing from Seattle SEA: AS438, AS620, AS576, WS1551. Other flights arriving at Chicago ORD: UA521, UA2141, UA1840, UA5483. All flights connecting Seattle SEA to Chicago ORD.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 … Jetblue Airways. American Airlines. Spirit Airlines. Delta Air Lines. United Airlines. Frontier Airlines. Alaska Airlines. Hawaiian Airlines. Find airfare deals on cheap tickets from Seattle - Tacoma Intl. (SEA) to CHI-All Airports (CHI ) and save on your next flight with Flights.com. Each day, there are between 18 and 26 nonstop flights that take off from Seattle and land in Chicago O'Hare Intl Airport, with an average flight time of 4h 05m. The most common departure time is 13:00 and most flights take off in the morning. Each week, there are 158 flights. The most frequent day of departure is Monday, when 16% of all weekly ... 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.Prices were available within the past 7 days and start at $130 for one-way flights and $139 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way. Roundtrip. Wed, Nov 6 - …Roundtrip. Tue, Aug 13 - Tue, Aug 27. 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 ... 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. 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.Airfares from $70 One Way, $128 Round Trip from Chicago to Seattle. Prices starting at $128 for return flights and $70 for one-way flights to Seattle were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Tue, May 14 - Sat, May 18. MDW. Chicago. SEA. Seattle / Tacoma to Chicago Flights. Flights from SEA to ORD are operated 59 times a week, with an average of 8 flights per day. Departure times vary between 00:10 - 23:59. The earliest flight departs at 00:10, the last flight departs at 23:59. However, this depends on the date you are flying so please check with the full flight schedule above ... There are 4 airlines that fly direct from Chicago O'Hare Intl Airport to Seattle. They are: Alaska Airlines, American Airlines, Delta and United Airlines. The cheapest price of all airlines flying this route was found with Alaska Airlines at C$ 311. On average, the best prices for this route can be found at Alaska Airlines.All dates and times are local for the airport listed. Gates and times are subject to change. For the most current information, check the airport monitors. Search for a topic... Find the flight status for a specific Delta Air Lines flight and receive real-time notifications via …All flight schedules from Chicago Ohare International , Illinois , USA to Seattle Tacoma International , Washington , USA . This route is operated by 4 airline (s), and the flight time is 4 hours and 56 minutes. The distance is 1725 miles. USA.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 … $90 Cheap American Airlines flights Seattle (SEA) to Chicago (ORD) Prices were available within the past 7 days and start at $90 for one-way flights and $139 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. 1 stop. from $133. Chicago.$176 per passenger.Departing Wed, Sep 25, returning Sat, Sep 28.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Seattle / Tacoma International on Wed, Sep 25, arriving in Chicago Midway.Inbound indirect flight with Frontier Airlines, departing from Chicago ...Niagara Falls: Albany, New York, to Chicago. While certainly not one of America's most-traveled routes, flights from Albany International Airport (ALB) to Chicago can be a great means to an end: getting a bird's-eye view of Niagara Falls. Book the left side of the plane for your best shot at a view of the majesty of the falls, minus all the ...Go to the The Chicago Flight Deals page; For more of the latest cheap Seattle Flight Deals: Go to the The Seattle Flight Deals page * The Flight Deal will … 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 ... 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.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 ...Average price of flights to Midway by month. Currently, December is the cheapest month in which you can book a flight from Seattle to Chicago Midway Airport (average of $140). Flying from Seattle to Chicago Midway Airport in July is currently the most expensive (average of $260). There are several factors that can impact the price of a flight ...
Track United (UA) #747 flight from Seattle-Tacoma Intl to Chicago O'Hare Intl Flight status, tracking, and historical data for United 747 (UA747/UAL747) including scheduled, estimated, and actual departure and arrival times. . Flixhd.
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.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. …Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight. from ₹ 4,911. Chicago. ₹ 5,458 per passenger.Departing Tue, 4 Jun.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Tue, 4 Jun, arriving in Chicago O'Hare International.Price includes taxes and charges.From ₹ 5,458, select. Tue, 4 Jun SEA - ORD with Alaska Airlines. Flights from Seattle (SEA) to Chicago (CHI) with Delta How much is a flight ticket from Seattle (SEA) - Illinois (CHI) with Delta? ️ Prices were available within the past 7 days and start at $70 for one-way flights and $139 for roundtrip, for the period specified.Find flights to Chicago from $59. Fly from Seattle on Frontier, Alaska Airlines, Delta and more. Search for Chicago flights on KAYAK now to find the best deal.Cheap Flights from Seattle to Chicago (SEA-ORD) Prices were available within the past 7 days and start at $64 for one-way flights and $134 for round trip, for the period specified. Prices and availability are subject to change.A one way ticket to Chicago is now! Book one-way or return flights from Seattle to Chicago with no change fee on selected flights. Earn your airline miles on top of our rewards! Get great 2024 flight deals from Seattle to Chicago now! 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. 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.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 …All flight schedules from Seattle Tacoma International , Washington , USA to Chicago Ohare International , Illinois , USA . This route is operated by 4 airline (s), and the flight time is 5 hours and 00 minute. The distance is 1725 miles.Find flights to Chicago from $59. Fly from Seattle on Frontier, Alaska Airlines, Delta and more. Search for Chicago flights on KAYAK now to find the best deal.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 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 ….