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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 Apr 19, 2017 Apr 22, 2017 $264
Frontier Apr 18, 2017 Apr 22, 2017 $264
Frontier Apr 29, 2017 May 6, 2017 $264
Frontier Mar 28, 2017 Apr 5, 2017 $268
Frontier Mar 11, 2017 Mar 29, 2017 $268
Alaska Apr 29, 2017 May 6, 2017 $274
Alaska Apr 25, 2017 May 2, 2017 $274
Alaska May 2, 2017 May 5, 2017 $274
Virgin America Apr 29, 2017 May 6, 2017 $274
Alaska May 3, 2017 May 6, 2017 $274

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
Springfield, Illinois 3/3/17 3/6/17 $611
Chicago 3/10/17 3/14/17 $300
Peoria 3/16/17 3/19/17 $499
Bloomington, Illinois 3/23/17 3/26/17 $434

Flight Schedule Summaries Last modified: Feb 27, 2017 0:40 -05:00Number of routes searched: 671Number of itineraries searched: 939,343

Seattle to Chicago
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American -
Alaska -
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
Major Airlines JFK
Frontier DEN
Frontier PHX
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: Feb 27, 2017 0:40 -05:00Prices shown were found by travelers like you over the past 30 days

Cheap Flights from Seattle to Illinois - from $264 Round trip from SEA to IL