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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
Frontier Oct 24, 2017 Oct 31, 2017 $228
Frontier Oct 17, 2017 Oct 24, 2017 $228
Frontier Oct 16, 2017 Oct 18, 2017 $228
Frontier Oct 23, 2017 Oct 25, 2017 $228
Frontier Nov 7, 2017 Nov 14, 2017 $228
Frontier Oct 20, 2017 Oct 25, 2017 $228
Frontier Oct 10, 2017 Oct 17, 2017 $228
Frontier Nov 1, 2017 Nov 8, 2017 $228
Frontier Nov 4, 2017 Nov 8, 2017 $228
Frontier Oct 14, 2017 Oct 18, 2017 $264

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
Moline 10/13/17 10/16/17 $569
Champaign 10/19/17 10/23/17 $456
Bloomington, Illinois 10/20/17 10/23/17 $434
Chicago 10/27/17 10/31/17 $295
Peoria 10/27/17 10/29/17 $434

Flight Schedule Summaries Last modified: Sep 25, 2017 3:53 -04:00Number of routes searched: 501Number of itineraries searched: 716,459

Seattle to Chicago
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American -
Alaska -
Major Airlines -
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 DEN
Spirit BWI
Spirit LAS
Spirit LAX
United DEN
United DFW
United EWR
United IAD
Virgin America LAX
Virgin America SFO

Cheap Domestic Flights from Seattle - SEA Last modified: Sep 25, 2017 3:53 -04:00Prices shown were found by travelers like you over the past 30 days

Cheap Flights from Seattle to Illinois - from $228 Round trip from SEA to IL