Flights

Flights from Seattle to Chicago

Fares we've seen from Seattle (SEA) to Chicago (ORD) start from US$141 on 10 Nov 2026 with Alaska Airlines. Prices come from partner searches in the last 48 hours and change quickly, so look before you book.

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Compare Seattle to Chicago on your dates and see current fares from our sources, listed by price.

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Fares by month

Month	Seen from	Date	Airline
October 2026	US$318	16 Oct 2026	American Airlines · direct	Check now
November 2026	US$141	10 Nov 2026	Alaska Airlines · direct	Check now

One-way fares in US dollars, last seen on Aviasales. They can change at any time and may not be available on every day of the month. Partner links: we may earn a commission if you book, at no extra cost to you.

Airlines on this route

Airlines we've seen with fares on this route, listed by price:

Alaska Airlines: from US$141 (direct)
American Airlines: from US$318 (direct)

Plan the rest of your trip to Chicago

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Questions about Seattle to Chicago flights

How much do flights from Seattle to Chicago cost? Fares we've seen start from US$141 on 10 Nov 2026 with Alaska Airlines. Fares change quickly, so look before you book.

When can I save on flights from Seattle to Chicago? Among the next six months we checked, November 2026 had fares from US$141 in our data, while October 2026 reached US$318. Prices vary by date, so compare several days and save.

Which airlines fly from Seattle to Chicago? We've seen fares from Alaska Airlines, American Airlines. This reflects recent searches, not a complete timetable.

Are there direct flights from Seattle to Chicago? Yes, we've seen direct fares (2 of 2 recent fares were direct). Availability depends on the date.

Is FindMyFlight free to use? Yes. We never add anything to the fare. If you book through a partner link we may earn a commission from the partner, at no extra cost to you.