Cheap Flights from Chicago, IL to Seattle, WA from $84
On Cheapflightsplus.com you will find 33 direct and 204 connecting flights from Chicago to Seattle. You can compare airfare deals from 8 airlines and multiple travel sites from $84, book and save on cheap plane tickets and last minute offers. Also check out CHI-SEA flight schedule to find best flight time, convenient departure and arrival airports.
Flight Information
Below we will explain in detail what the flights cost on the destination from Chicago to Seattle depends on and how to choose the most interesting flight option for you.
Distance between Chicago and Seattle is 2786 miles. Time difference between the cities is 2h. Airplanes depart 05:00 to 22:36 from 7 Chicago airports and arrive 05:00 to 22:36 to 3 Seattle airports. Average flight time is 4h 37m.
- The fastest flight 4h 25m
- Average flight time 4h 37m
- The earliest flight 05:00
- The latest flight 22:36
- Distance 1732 ml
Best Flights from Chicago to Seattle Today
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $84 | 06:00 Chicago O'Hare International | 08:27 Seattle Seattle-Tacoma Intl | 4h 27m | Hawaiian Airlines | HA6300 |
| from $88 | 06:00 Chicago O'Hare International | 08:27 Seattle Seattle-Tacoma Intl | 4h 27m | Alaska Airlines | AS891 |
| from $130 | 19:59 Chicago O'Hare International | 22:39 Seattle Seattle-Tacoma Intl | 4h 40m | United Airlines | UA2211 |
| from $98 | 09:20 Chicago O'Hare International | 18:53 Seattle Seattle-Tacoma Intl | 11h 33m layover 3h 58m - San Diego | Hawaiian Airlines | HA7470 HA6692 |
| from $107 | 14:05 Chicago O'Hare International | 18:48 Seattle Seattle-Tacoma Intl | 6h 43m layover 0h 49m - Portland | Alaska Airlines | AS325 AS1318 |
The cheapest months to travel to Seattle are october (from 84 $), september (from 85 $), august (from 85 $).
The most expensive months are december (from 190 $), december (from 174 $), february (from 167 $).
What is the lowest airfare Chicago to Seattle?
The cheapest plane ticket found by our users is $84. This airfare is for economy class on one-way HA6300 flight by Hawaiian Airlines for October 7, 2025 which leaves O'Hare International in Chicago at 06:00 am and arrives at Seattle Seattle-Tacoma Intl at 08:27.
Flight Schedule Chicago (Illinois) to Seattle (Washington)
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Popular Airlines on the Route
The flight Chicago — Seattle is served by 8 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 42 departures per week at the price of from $ 88 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 6782.
Direct flights
There are 33 nonstop flights on the route. The fastest direct flight is HA6295 by Hawaiian Airlines takes 4h 25m and the cheapest is HA6300 by Hawaiian Airlines for $84.
- AS - Alaska Airlinesfrom $88Find
- HA - Hawaiian Airlinesfrom $84Find
- UA - United Airlinesfrom $130Find
Connecting Flights
There are 204 flights with layovers on the route. The fastest connecting flight is AS6834 by Alaska Airlines takes 5h 52m and the cheapest is HA6300 by Hawaiian Airlines for $98.
- AS - Alaska Airlinesfrom $107Find
- F9 - Frontier Airlinesfrom $116Find
- SY - Sun Country Airlinesfrom $180Find
- TK - Turkish Airlinesfrom $1112Find
- HA - Hawaiian Airlinesfrom $98Find
- UA - United Airlinesfrom $167Find
- G4 - Allegiant Airfrom $159Find
- NK - Spirit Airlinesfrom $162Find
Airports
You can fly from Chicago to Seattle from 7 airports (O'Hare International, Midway, Dupage County, Chicago FSS, Merrill C Meigs (closed), Pal-Waukee, Chicago NAS).
Chicago airports
- O'Hare International-ORDfrom $84Find
- Midway-MDWfrom $116Find
- Dupage County-DPAFind
- Chicago FSS-CHIFind
- Merrill C Meigs (closed)-CGXFind
- Pal-Waukee-PWKFind
- Chicago NAS-NOHFind
Seattle airports
- Boeing Field International Airport-BFIFind
- Seattle-Tacoma Intl-SEAFind
- Kenmore Air Harbor SPB-LKEFind
Airplanes
There are flights to Seattle from Chicago by 8 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Chicago
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Top International Destinations from Chicago
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
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How to book a plane ticket yourself?
- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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