Cheap Flights From Seattle To Illinois

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Cheap flights from Seattle (SEA) to popular destinations in Illinois (IL)

Bloomington, Illinois
Carrier Departure Date Return Date Lowest Price
Frontier May 6, 2022 May 13, 2022 $236
00 Feb 8, 2022 Feb 12, 2022 $496
Multiple Airlines Feb 17, 2022 Feb 28, 2022 $646
Multiple Airlines Dec 25, 2021 Dec 29, 2021 $1,525
Multiple Airlines Feb 28, 2022 Mar 3, 2022 $517
Multiple Airlines Mar 11, 2022 Mar 13, 2022 $731
00 Apr 27, 2022 May 4, 2022 $141

Cheap Last Minute Flights from Seattle to Illinois

Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from Seattle to Illinois. The chart below shows the best last minute deals and cheap flights this weekend we could find.

DestinationDepartingReturningPrice
Bloomington, Illinois 12/10/21 12/13/21 $280
Moline 1/21/22 1/23/22 $191
Springfield, Illinois 2/17/22 2/20/22 $380
Chicago 5/26/22 5/30/22 $318
Cheap Flights from Seattle to Illinois - from $141 Round trip from SEA to IL