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Cheap Flights From Seattle To Illinois Last modified: Jan 18, 2017 0:36 -05:00

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

Chicago
Carrier Departure Date Return Date Lowest Price
Frontier May 9, 2017 May 17, 2017 $230
Frontier May 6, 2017 May 10, 2017 $230
Frontier Apr 29, 2017 May 3, 2017 $230
Frontier May 10, 2017 May 17, 2017 $230
Frontier May 13, 2017 May 20, 2017 $230
Frontier Jan 28, 2017 Feb 4, 2017 $234
Frontier Feb 1, 2017 Feb 14, 2017 $234
Frontier Jan 31, 2017 Feb 4, 2017 $234
Frontier Feb 1, 2017 Feb 7, 2017 $234
Frontier Apr 18, 2017 Apr 26, 2017 $260

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
Chicago 2/9/17 2/14/17 $274
Moline 2/9/17 2/13/17 $330
Champaign 2/10/17 2/12/17 $486

Flight Schedule Summaries Last modified: Jan 18, 2017 0:36 -05:00Number of routes searched: 619Number of itineraries searched: 793,329

Seattle to Chicago
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American -
Alaska -
United -
American ATL
American BNA
American BOS
American CLT
Air Canada YVR
Alaska ANC
Alaska LAX
Alaska PDX
Alaska SAN
JetBlue BOS
JetBlue JFK
Delta ATL
Delta DTW
Delta MSP
Delta CVG
Delta JFK
Frontier DEN
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: Jan 18, 2017 0:36 -05:00Prices shown were found by travelers like you over the past 30 days

Cheap Flights from Seattle to Illinois - from $230 Round trip from SEA to IL