Cheap flights Chicago — Seattle (CHI — SEA)

Good to know - Cheap tickets Chicago — Seattle

Cheapest flight found $71
Minimal flight time 3h 41m
Flight distance 2789 km
Most popular airline Delta Connection

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
November 2026
October 2026
September 2026
August 2026
July 2026
June 2026
May 2026
April 2026
March 2026
February 2026
January 2026
December 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
04:25 06:24 mon Korean Air 3h 59m 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
10:01 12:47 mon, fri, sun AA2398 American Eagle 4h 46m O'Hare International Airport — Seattle-Tacoma International Airport Select dates
12:40 14:21 fri Korean Air 3h 41m O'Hare International Airport — Seattle-Tacoma International Airport Select dates
13:20 16:01 tue, wed UA1617 United Express 4h 41m O'Hare International Airport — Seattle-Tacoma International Airport Select dates
15:21 17:12 wed, thu 5X2988 UPS 3h 51m Chicago Rockford International Airport — Boeing Field International Airport Select dates
15:21 17:07 tue, wed 5X2988 UPS 3h 46m Chicago Rockford International Airport — Boeing Field International Airport Select dates
18:00 20:43 mon, tue, wed, thu, fri DL637 Delta Connection 4h 43m O'Hare International Airport — Seattle-Tacoma International Airport Select dates
19:54 22:38 tue AA2398 American Eagle 4h 44m O'Hare International Airport — Seattle-Tacoma International Airport Select dates
21:00 22:52 fri Korean Air 3h 52m O'Hare International Airport — Seattle-Tacoma International Airport Select dates
All routes

Dynamics airfare Chicago — Seattle by month for the last year

according to LowCost.Club for the last year

The airfare depends on the departure date. Our chart shows the low season prices on route Chicago — Seattle

The graph shows that booking flights Chicago — Seattle is best planned for August and flights Chicago — Seattle — Chicago in the month of February.

Flights Chicago — Seattle

The selection of cheap flights Chicago — Seattle

Here you can find and purchase the cheapest flights Chicago — Seattle from $71 and Chicago — Seattle — Chicago from $54.

The price of the flight Chicago — Seattle (United States) — Chicago from $54 (round-trip).

The average price of the flight Chicago — Seattle (United States) — Chicago $290 (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 3h 41m.

LowCostClub always do a comparison of airfares Chicago — Seattle with several airlines (include Korean Air, American Eagle, United Express). 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 $54 while the cheapest one-way price that was available within the last week cost $71

Routes from nearby cities to Seattle

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

The closest airports to Chicago with a flight to Seattle are in Madison.

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: , AA2398, UA1617, 5X2988, DL637, AA3142

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, American Eagle, United Express, UPS, Delta Connection depart from Chicago on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through ABX Air, Aer Lingus, AeroLogic, Aeromexico, Air Canada, Air France, Alaska Airlines, Amazon Air, Asiana Airlines, Atlas Air, British Airways, Cargolux, China Airlines, China Cargo Airlines, Emirates, EVA Air, FedEx, Icelandair, Japan Airlines, Jet Linx Aviation, LOT, Lufthansa, NetJets, Phoenix Air, Qatar Airways, SkyWest Airlines, SkyWest Charter, Southern Airways Express, Southwest Airlines, TUI, Turkish Airlines, Virgin Atlantic, Volaris.

A direct flight lasts an average of 3h 41m, during which time the aircraft covers a distance of 2789 km.

The price of flights Chicago — Seattle starts from $71.

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: AA2398, UA1617, 5X2988, 5X2988, DL637, AA2398, AA3142

High season is considered to be June and the cheapest month is August. 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, American Eagle, United Express, UPS, Delta Connection.

All the following airlines flights Chicago — Seattle: ABX Air, Aer Lingus, AeroLogic, Aeromexico, Air Canada, Air France, Alaska Airlines, Amazon Air, American Eagle, Asiana Airlines, Atlas Air, British Airways, Cargolux, China Airlines, China Cargo Airlines, Delta Connection, Emirates, EVA Air, FedEx, Icelandair, Japan Airlines, Jet Linx Aviation, Korean Air, LOT, Lufthansa, NetJets, Phoenix Air, Qatar Airways, SkyWest Airlines, SkyWest Charter, Southern Airways Express, Southwest Airlines, TUI, Turkish Airlines, United Express, UPS, Virgin Atlantic, Volaris.

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