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Cheap Flights From Seattle To Illinois Last modified: May 25, 2016 6:32 PM

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

Bloomington - Normal
Carrier Departure Date Return Date Lowest Price
American Aug 11, 2016 Aug 21, 2016 $332
American Aug 10, 2016 Aug 21, 2016 $332
American Aug 5, 2016 Aug 15, 2016 $362
American Jul 13, 2016 Jul 27, 2016 $372
American Aug 5, 2016 Aug 15, 2016 $384
American Aug 5, 2016 Aug 15, 2016 $388
American Aug 11, 2016 Aug 21, 2016 $389
American Jul 8, 2016 Jul 11, 2016 $402
American Aug 11, 2016 Aug 21, 2016 $428
American Jun 28, 2016 Jul 11, 2016 $436
Champaign
Carrier Departure Date Return Date Lowest Price
American Sep 16, 2016 Sep 18, 2016 $567
American Sep 16, 2016 Sep 18, 2016 $617
United Sep 16, 2016 Sep 18, 2016 $649
United Sep 16, 2016 Sep 18, 2016 $680
Chicago
Carrier Departure Date Return Date Lowest Price
United Jun 7, 2016 Jun 18, 2016 $177
Frontier Jun 8, 2016 Jun 14, 2016 $188
Frontier Jun 1, 2016 Jun 9, 2016 $188
Alaska May 30, 2016 Jun 5, 2016 $197
United Jun 15, 2016 Jun 18, 2016 $199
American Jun 7, 2016 Jun 11, 2016 $203
American Jun 6, 2016 Jun 11, 2016 $203
American Jun 7, 2016 Jun 18, 2016 $203
United Aug 16, 2016 Aug 20, 2016 $205
United Jun 8, 2016 Jun 22, 2016 $205
Moline
Carrier Departure Date Return Date Lowest Price
United Sep 22, 2016 Oct 4, 2016 $332
American Sep 22, 2016 Oct 4, 2016 $352
American Jun 1, 2016 Jun 10, 2016 $358
American Jun 6, 2016 Jun 10, 2016 $362
American Jun 2, 2016 Jun 4, 2016 $362
United Sep 14, 2016 Sep 19, 2016 $362
United Jun 2, 2016 Jun 4, 2016 $362
United Sep 16, 2016 Sep 23, 2016 $362
United Sep 14, 2016 Sep 19, 2016 $366
United Aug 2, 2016 Aug 9, 2016 $367
Peoria
Carrier Departure Date Return Date Lowest Price
American Aug 10, 2016 Aug 21, 2016 $352
United May 31, 2016 Jun 2, 2016 $362
United Aug 10, 2016 Aug 21, 2016 $396
American Aug 11, 2016 Aug 21, 2016 $396
United Aug 2, 2016 Aug 9, 2016 $396
United Aug 2, 2016 Aug 9, 2016 $400
United Jul 30, 2016 Aug 13, 2016 $410
American Jul 4, 2016 Jul 18, 2016 $416
American Jul 14, 2016 Jul 26, 2016 $441
American Jun 23, 2016 Jun 27, 2016 $445
Springfield
Carrier Departure Date Return Date Lowest Price
United Jul 30, 2016 Aug 13, 2016 $441
American Aug 5, 2016 Aug 13, 2016 $442
United Aug 6, 2016 Aug 16, 2016 $447
American Aug 6, 2016 Aug 16, 2016 $447
United Aug 30, 2016 Sep 4, 2016 $471
United Aug 30, 2016 Sep 4, 2016 $475
American Jul 30, 2016 Aug 13, 2016 $477
United Aug 5, 2016 Aug 13, 2016 $485
American Aug 30, 2016 Sep 4, 2016 $486
American Aug 6, 2016 Aug 16, 2016 $486

Cheapest Weekend Non-Stop Flights for the Next 30 Days from Seattle to Illinois

If you're ready to take a trip in the next 30 days and want to fly on the weekend, you might be wondering which weekend is the cheapest to fly. The chart below shows up-to-date data regarding weekend flight prices from Seattle to Illinois.

DestinationDepartingReturningPrice
Chicago 6/3/16 6/5/16 $252

Flight Schedule Summaries Number of flights searched: 487Last modified: May 25, 2016 6:32 PM

Seattle to Chicago
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American - X X X X X X X
Alaska - X X X X X X X
Alaska PDX X X X X X X X
Delta DTW X X X X X X X
Frontier - X X X
Frontier DEN X X X X X X X
United - X X X X X X X
United DEN X X X X X X X
Virgin America LAX X X X X X X X
Southwest - X X X X X X X
Southwest LAS X X X X X X X
Seattle to Bloomington - Normal
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American ORD X X X X X X X
Delta ATL X X X X X X X
Seattle to Champaign
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American DFW X X X X X X X
Seattle to Moline
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American ORD X X X X X X X
Delta MSP X X X X X X X
United ORD X X X X X X X
Seattle to Peoria
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American ORD X X X X X X X
Delta DTW X X X X X X X
United ORD X X X X X X X
Seattle to Springfield
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American DFW X X X X X X X
American PHX / DFW X X X X X X X
United ORD X X X X X X X

Cheap Domestic Flights from Seattle - SEA

FlightsAirlineLowest Price
Seattle to Chicago American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $177
Seattle to Moline American, Alaska, United $332
Seattle to Bloomington - Normal American, United $332
Seattle to Peoria American, Alaska, United $352
Seattle to Champaign American, Alaska, United $567
Seattle to Springfield American, United $441

Cheap Domestic Flights to Illinois - IL

FlightsAirlineLowest Price
Portland to Chicago American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $113
Bellingham to Chicago American, Alaska $352
Pasco to Chicago American, Alaska, United $420
Portland to Peoria American, Alaska, United $422
Portland to Moline American, Alaska, United $399
Wenatchee to Chicago American, Alaska $616
Portland to Springfield American, United $442
Yakima to Chicago American, Alaska $443
Portland to Champaign American $467
Portland to Bloomington - Normal American, Alaska, United $430
Pasco to Moline American, Alaska, United $607
Bellingham to Moline American, Alaska Check Dates
Bellingham to Peoria American $2,203

Cheap International Flights to Illinois - IL

FlightsAirlineLowest Price
Vancouver to Chicago Pacific Coastal, American, Air Canada, Alaska, Frontier, Spirit, United, WestJet $374
Victoria to Chicago Pacific Coastal, American, Air Canada, Alaska, Frontier, Spirit, United, WestJet $244
Vancouver to Moline American, Air Canada, Alaska, United, WestJet $365
Comox to Chicago American, Air Canada, Alaska, United, WestJet Check Dates
Vancouver to Bloomington - Normal American, Air Canada, Alaska, United, WestJet $392
Vancouver to Peoria American, Air Canada, Alaska, Allegiant, United, WestJet $361
Nanaimo to Chicago American, Air Canada, Alaska, United, WestJet $434
Vancouver to Champaign American, Air Canada, Alaska, United, WestJet Check Dates
Vancouver to Springfield American, Air Canada, Alaska, United, WestJet Check Dates
Penticton to Chicago American, Air Canada, Alaska, United, WestJet $457
Cheap Flights from Seattle to Illinois - from $177 Round trip from SEA to IL