Fly from Seattle to Chicago

Links to flight deals: 

December-2024
11th-18th Dec

January-2025
2nd-9th Jan
7th-14th Jan
9th-16th Jan
12th-19th Jan
13th-20th Jan
16th-23rd Jan
17th-24th Jan
19th-26th Jan
20th-27th Jan
23rd-30th Jan
24th-31st Jan
26th Jan – 2nd Feb
27th Jan – 3rd Feb
30th Jan – 6th Feb
31st Jan – 7th Feb

February
2nd-9th Feb
3rd-10th Feb
5th-12th Feb
6th-13th Feb
7th-14th Feb
12th-19th Feb
15th-22nd Feb
22nd Feb – 1st Mar
26th Feb – 5th Mar

March
8th-15th Mar
19th-26th Mar
22nd-29th Mar
25th Mar – 1st Apr
26th Mar – 2nd Apr

April
1st-8th Apr
8th-15th Apr
9th-16th Apr
16th-23rd Sep
7th-14th Oct

There are multiple different variations of travel durations, From 6 to 9 days. These cheap flights are on Frontier Airline.

The details of these discounted flights from Seattle to Chicago were accurate at the time we found them. Flight information and pricing may have changed since the time of publishing. Usually these flight deals will stay active for 24 – 96 hours, but they may change at any time.

These are example dates, and similar prices may be available for other dates and times. Do some searching for your custom needs at the links provided!
Please keep in mind that these prices do not reflect customization of your trip for things like bags, seating, class, etc.

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