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Cheap Flights From Seattle To Illinois Last modified: Jul 1, 2016 6:34 PM

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

Bloomington - Normal
Carrier Departure Date Return Date Lowest Price
American Sep 16, 2016 Sep 18, 2016 $412
American Sep 27, 2016 Oct 4, 2016 $412
American Jul 19, 2016 Jul 21, 2016 $597
American Dec 22, 2016 Dec 29, 2016 $659
United Sep 27, 2016 Oct 4, 2016 $713
United Jul 19, 2016 Jul 21, 2016 $814
United Dec 22, 2016 Dec 29, 2016 $885
Champaign
Carrier Departure Date Return Date Lowest Price
American Aug 22, 2016 Aug 28, 2016 $325
American Aug 4, 2016 Aug 10, 2016 $325
American Aug 12, 2016 Aug 15, 2016 $375
American Aug 12, 2016 Aug 14, 2016 $400
American Jul 15, 2016 Jul 22, 2016 $465
United Jul 15, 2016 Jul 22, 2016 $552
Chicago
Carrier Departure Date Return Date Lowest Price
American Sep 7, 2016 Sep 13, 2016 $197
American Aug 30, 2016 Sep 7, 2016 $197
American Sep 7, 2016 Sep 14, 2016 $197
American Sep 20, 2016 Sep 28, 2016 $197
American Sep 24, 2016 Sep 27, 2016 $197
American Sep 21, 2016 Sep 27, 2016 $197
American Aug 30, 2016 Sep 14, 2016 $197
American Sep 13, 2016 Sep 20, 2016 $197
American Aug 27, 2016 Aug 30, 2016 $197
American Aug 31, 2016 Sep 7, 2016 $197
Moline
Carrier Departure Date Return Date Lowest Price
Alaska Oct 24, 2016 Nov 1, 2016 $274
United Aug 30, 2016 Sep 7, 2016 $318
American Sep 16, 2016 Sep 24, 2016 $324
American Oct 11, 2016 Oct 20, 2016 $324
American Sep 22, 2016 Oct 4, 2016 $324
American Jul 20, 2016 Aug 5, 2016 $334
Alaska Oct 11, 2016 Oct 20, 2016 $352
United Oct 11, 2016 Oct 20, 2016 $362
United Sep 16, 2016 Sep 24, 2016 $363
United Sep 22, 2016 Oct 4, 2016 $363
Peoria
Carrier Departure Date Return Date Lowest Price
American Sep 27, 2016 Oct 4, 2016 $274
United Jul 19, 2016 Jul 26, 2016 $314
United Sep 27, 2016 Oct 4, 2016 $314
American Sep 30, 2016 Oct 7, 2016 $324
American Sep 29, 2016 Oct 6, 2016 $349
American Sep 20, 2016 Sep 29, 2016 $349
United Sep 29, 2016 Oct 6, 2016 $362
United Sep 30, 2016 Oct 7, 2016 $366
Springfield
Carrier Departure Date Return Date Lowest Price
American Aug 17, 2016 Aug 21, 2016 $363
United Aug 17, 2016 Aug 21, 2016 $367
American Aug 5, 2016 Aug 13, 2016 $373
United Aug 5, 2016 Aug 13, 2016 $402
American Sep 4, 2016 Sep 9, 2016 $450
American Jul 26, 2016 Jul 31, 2016 $452
American Jul 25, 2016 Jul 30, 2016 $460

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 7/21/16 7/25/16 $206

Cheap Domestic Flights from Seattle - SEA

FlightsAirlineLowest Price
Seattle to Chicago American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $197
Seattle to Moline American, Alaska, United $274
Seattle to Bloomington - Normal American, United $412
Seattle to Peoria American, Alaska, United $314
Seattle to Champaign American, United $325
Seattle to Springfield American, Alaska, United $363

Cheap Domestic Flights to Illinois - IL

FlightsAirlineLowest Price
Portland to Chicago American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $187
Bellingham to Chicago American, Alaska $379
Pasco to Chicago American, Alaska, United $335
Portland to Peoria American, Alaska, United $409
Portland to Moline American, Alaska, United $384
Wenatchee to Chicago American, Alaska $575
Portland to Springfield American, United $317
Yakima to Chicago American, Alaska $282
Portland to Champaign American $425
Portland to Bloomington - Normal American, Alaska, United $384
Pasco to Moline American, Alaska, United Check Dates
Bellingham to Moline American, Alaska Check Dates
Bellingham to Peoria American Check Dates

Cheap International Flights to Illinois - IL

FlightsAirlineLowest Price
Vancouver to Chicago Pacific Coastal, American, Air Canada, Alaska, United, WestJet $353
Victoria to Chicago American, Air Canada, Alaska, United, WestJet $320
Vancouver to Moline American, Air Canada, Alaska, United, WestJet $461
Comox to Chicago American, Air Canada, Alaska, United, WestJet Check Dates
Vancouver to Bloomington - Normal American, Air Canada, Alaska, United, WestJet $325
Vancouver to Peoria American, Air Canada, Alaska, United, WestJet Check Dates
Nanaimo to Chicago American, Air Canada, Alaska, United, WestJet $507
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 $511
Cheap Flights from Seattle to Illinois - from $197 Round trip from SEA to IL