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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
United Aug 17, 2017 Aug 19, 2017 $284
Frontier Sep 13, 2017 Sep 16, 2017 $294
Frontier Oct 3, 2017 Oct 7, 2017 $300
United Aug 17, 2017 Aug 26, 2017 $300
Frontier Jan 10, 2018 Jan 16, 2018 $300
Alaska Oct 3, 2017 Oct 6, 2017 $304
Alaska Nov 29, 2017 Dec 1, 2017 $304
Alaska Dec 3, 2017 Dec 11, 2017 $304
Alaska Dec 2, 2017 Dec 6, 2017 $304
Alaska Oct 4, 2017 Oct 6, 2017 $304

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 8/11/17 8/15/17 $648
Springfield, Illinois 8/12/17 8/13/17 $588
Bloomington, Illinois 8/17/17 8/20/17 $490
Chicago 8/18/17 8/20/17 $314
Champaign 8/18/17 8/20/17 $526

Flight Schedule Summaries Last modified: Jul 28, 2017 0:30 -04:00Number of routes searched: 569Number of itineraries searched: 856,942

Seattle to Chicago
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American -
Alaska -
Major Airlines -
Frontier -
United -
American ATL
American BNA
American BOS
American CLT
Alaska ANC
Alaska AUS
Alaska LAX
Alaska PDX
JetBlue BOS
JetBlue JFK
Major Airlines ATL
Major Airlines DTW
Major Airlines MSP
Major Airlines CVG
Frontier DEN
Frontier PHX
Spirit LAS
Spirit LAX
United DCA
United DEN
United DFW
United EWR
Virgin America LAX
Virgin America SFO

Cheap Domestic Flights from Seattle - SEA Last modified: Jul 28, 2017 0:30 -04:00Prices shown were found by travelers like you over the past 30 days

Cheap Flights from Seattle to Illinois - from $284 Round trip from SEA to IL