Cheap flights Chicago — Seattle (CHI — SEA)

Good to know - Cheap tickets Chicago — Seattle

Cheapest flight found $50
Minimal flight time 2h 54m
Flight distance 2789 km
Most popular airline Delta Air Lines

Airfare Chicago – Seattle by month

Here you can find out in what months how much a ticket Chicago – Seattle costs to buy cheap plane tickets.

Month One-way Round-trip
September 2026
July 2026
June 2026
May 2026
April 2026
March 2026
February 2026
January 2026
December 2025
November 2025
October 2025
September 2025

Remember that the optimal time for booking air tickets is 59 days before the departure date, this is the average time at which air tickets were sold at the lowest prices.

Schedule of direct flights Chicago — Seattle

Departure Arrival Flight days Flight Airlines Flight time Airports
01:45 04:05 tue, fri, sat KE233 Korean Air 4h 20m O'Hare International Airport — Seattle-Tacoma International Airport Select dates
02:31 04:21 tue, wed, thu, fri 5X988 UPS 3h 50m Chicago Rockford International Airport — Boeing Field International Airport Select dates
02:31 04:26 fri 5X988 UPS 3h 55m Chicago Rockford International Airport — Boeing Field International Airport Select dates
04:25 06:24 mon Korean Air 3h 59m O'Hare International Airport — Seattle-Tacoma International Airport Select dates
06:00 08:47 daily DL2041 Delta Air Lines 4h 47m O'Hare International Airport — Seattle-Tacoma International Airport Select dates
07:00 08:58 fri Korean Air 3h 58m O'Hare International Airport — Seattle-Tacoma International Airport Select dates
07:25 10:02 mon, tue, wed, thu, fri, sun AA2471 American Airlines 4h 37m O'Hare International Airport — Seattle-Tacoma International Airport Select dates
07:50 10:41 mon, tue, wed, thu, fri DL2041 Delta Air Lines 4h 51m O'Hare International Airport — Seattle-Tacoma International Airport Select dates
08:00 10:52 mon, tue, wed, thu AS587 Alaska Airlines 4h 52m O'Hare International Airport — Seattle-Tacoma International Airport Select dates
08:45 11:28 mon, tue, wed, thu, fri UA1620 United Airlines 4h 43m O'Hare International Airport — Seattle-Tacoma International Airport Select dates
All routes

Flights Chicago — Seattle

The selection of cheap flights Chicago — Seattle

Here you can find and purchase the cheapest flights Chicago — Seattle from $50 and Chicago — Seattle — Chicago from $37.

The price of the flight Chicago — Seattle (United States) — Chicago from $37 (round-trip).

The average price of the flight Chicago — Seattle (United States) — Chicago $281 (round-trip).

Low cost flights Chicago — Seattle (CHI — SEA)

The distance between Chicago and Seattle 1733 miles (or 2789 kilometres).

The time difference between Chicago and Seattle is 2 h.

Minimal flight time from Chicago to Seattle 2h 54m.

LowCostClub always do a comparison of airfares Chicago — Seattle with several airlines (include Korean Air, UPS, Delta Air Lines). They will always give you all available options so you can find the cheapest flight to Seattle. In addition, you can choose the platform where you want to place your orders. There are also special offers for air tickets Chicago — Seattle. Last week, for instance, the cheapest round-trip prices stood at $37 while the cheapest one-way price that was available within the last week cost $50

Routes from nearby cities to Seattle

A flight from a neighbouring city can help you save money on plane tickets.

Most often, flights to Seattle are from Fort Wayne. The cheapest plane ticket to Seattle can be bought from $83 with a departure from Madison, which is also the nearest city from Chicago.

Popular International routes from Chicago

Popular routes from Seattle

If you are going to fly from Seattle, then study the popular flights. The most popular flights from Seattle:

Popular domestic routes from Chicago

FAQ about Chicago — Seattle

Yes, they do: KE233, 5X988, , DL2041, AA2471, AS587, UA1620, UA1414, AS329, WN2144, AA2398, UA1139, DL1418, 5X5984, 5X2988, AS407, UA1755, AS337, UA2211, UA8111, F99552, AA3221, CI5235

Yes, you can fly from Chicago to Seattle. Chicago has 8 airports (Merrill C Meigs, DuPage Airport, Chicago Midway International Airport, Chicago NAS, Chicago Executive Airport, Chicago FSS, Chicago Rockford International Airport, O'Hare International Airport) for flights. Korean Air, UPS, Delta Air Lines, American Airlines, Alaska Airlines, United Airlines, Southwest Airlines, Frontier (Parish&Daisy the Burrowing Owls Livery), China Airlines depart from Chicago on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through ABX Air, Aer Lingus Regional, AeroLogic, Aeromexico, Air Canada, Air France, Air Transport International, Air Zeta, All Nippon Airways, Allegiant Air, AlphaSky, Asiana Airlines, Atlas Air, British Airways, Cargolux, China Cargo Airlines, Copa Airlines, DHL, Emirates, EVA Air Cargo, FedEx Feeder, Icelandair, Japan Airlines, Jet Linx Aviation, Key Lime Air, Lufthansa, NetJets, Phoenix Air, Qatar Airways, Silk Way West Airlines, SkyWest Airlines, Southern Airways Express, Sun Country Airlines, TUI, Turkish Airlines, Virgin Atlantic, Volaris, WestJet.

A direct flight lasts an average of 2h 54m, during which time the aircraft covers a distance of 2789 km.

The price of flights Chicago — Seattle starts from $50.

Planes fly Chicago — Seattle 7 times a week on the following days: mon, tue, wed, thu, fri, sat, sun

In Chicago — Merrill C Meigs, DuPage Airport, Chicago Midway International Airport, Chicago NAS, Chicago Executive Airport, Chicago FSS, Chicago Rockford International Airport, O'Hare International Airport. In Seattle — Boeing Field International Airport, Kenmore Air Harbor SPB, Seattle-Tacoma International Airport.

The following flights fly between Chicago and Seattle: KE233, 5X988, 5X988, DL2041, AA2471, DL2041, AS587, UA1620, UA1620, UA1620, UA1620, UA1414, AS329, AS329, AS329, WN2144, AA2398, UA1139, DL1418, DL1418, DL1418, 5X5984, 5X2988, 5X2988, 5X2988, AS407, AS407, 5X5984, 5X5984, 5X5984, UA1755, WN2144, DL1418, DL1418, AS337, AS337, UA2211, UA8111, UA2211, F99552, AA3221, AA3221, AA3221, AA3221, AA3221, CI5235

High season is considered to be and the cheapest month is . Enter your preferred airports (or cities) and dates into the search form above to unlock the latest Chicago — Seattle flight deals.

The following airlines have direct flights Chicago — Seattle: Korean Air, UPS, Delta Air Lines, American Airlines, Alaska Airlines, United Airlines, Southwest Airlines, Frontier (Parish&Daisy the Burrowing Owls Livery), China Airlines.

All the following airlines flights Chicago — Seattle: ABX Air, Aer Lingus Regional, AeroLogic, Aeromexico, Air Canada, Air France, Air Transport International, Air Zeta, Alaska Airlines, All Nippon Airways, Allegiant Air, AlphaSky, American Airlines, Asiana Airlines, Atlas Air, British Airways, Cargolux, China Airlines, China Cargo Airlines, Copa Airlines, Delta Air Lines, DHL, Emirates, EVA Air Cargo, FedEx Feeder, Frontier (Parish&Daisy the Burrowing Owls Livery), Icelandair, Japan Airlines, Jet Linx Aviation, Key Lime Air, Korean Air, Lufthansa, NetJets, Phoenix Air, Qatar Airways, Silk Way West Airlines, SkyWest Airlines, Southern Airways Express, Southwest Airlines, Sun Country Airlines, TUI, Turkish Airlines, United Airlines, UPS, Virgin Atlantic, Volaris, WestJet.

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