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Cheap Flights From Seattle To Illinois

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

Chicago
Carrier Departure Date Return Date Lowest Price
Spirit Aug 18, 2018 Aug 21, 2018 $165
Spirit Aug 18, 2018 Aug 27, 2018 $168
American Oct 20, 2018 Oct 27, 2018 $173
American Oct 20, 2018 Oct 23, 2018 $173
American Oct 27, 2018 Oct 30, 2018 $173
United Sep 12, 2018 Sep 18, 2018 $179
United Sep 19, 2018 Sep 26, 2018 $179
United Sep 19, 2018 Sep 22, 2018 $179
United Sep 12, 2018 Sep 19, 2018 $179
United Sep 18, 2018 Sep 25, 2018 $179

Cheap Last Minute Flights from Seattle to Illinois Prices shown were found by travelers like you over the past 30 days

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
Peoria 8/16/18 8/19/18 $394
Springfield, Illinois 8/16/18 8/19/18 $567
Chicago 8/18/18 8/21/18 $165
Moline 8/23/18 8/27/18 $298

Flight Schedule Summaries Last modified: Jul 22, 2018 2:48 -04:00Number of routes searched: 795Number of itineraries searched: 1,246,477

Seattle to Chicago
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American -
Alaska -
Major Airlines -
Frontier -
Spirit -
United -
American CLT
American DFW
American JFK
American LAX
Alaska ANC
Alaska LAX
Alaska PDX
Alaska SAN
JetBlue BOS
JetBlue JFK
Major Airlines ATL
Major Airlines DTW
Major Airlines MSP
Major Airlines CVG
Frontier COS
Frontier DEN
Spirit BWI
Spirit DFW
Spirit FLL
Spirit IAH
United DEN
United DFW
United EWR
United IAD

Cheap Domestic Flights from Seattle - SEA Last modified: Jul 22, 2018 2:48 -04:00Prices shown were found by travelers like you over the past 30 days

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Cheap Flights from Seattle to Illinois - from $165 Round trip from SEA to IL