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Cheap flights from Seattle to Chicago

Fares from $117 in December 2026. Compare every month below, then book with the site you like.

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Cheapest Seattle to Chicago fares by month

Lowest price per person found in recent searches. Prices change often and are checked when you book.

Seattle to Chicago at a glance

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Frequently asked questions

How much is a flight from Seattle to Chicago?
The cheapest fare we found recently is $117 per person, departing Dec 13 on American Airlines. Prices change daily, so search your dates to see today's fares.
What is the cheapest month to fly from Seattle to Chicago?
December 2026 is currently the cheapest month, from $117. July 2027 is the most expensive, from $236.
Are there direct flights from Seattle to Chicago?
Yes. Recent searches found nonstop fares from $117.
Which airlines fly from Seattle to Chicago?
The cheapest recent fares on this route were on Frontier, American Airlines, Alaska Airlines.
How long is the flight from Seattle to Chicago?
Seattle and Chicago are about 1,716 miles apart, so a nonstop flight takes roughly 4h 15m. Flights with a stop take longer, depending on the connection.
How do I find the cheapest flight from Seattle to Chicago?
Search your dates on Gotoesy. We list fares from several booking sites sorted cheapest first, show nearby dates when your day has no saved fare, and send you straight to the seller to book.

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