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Cheap Flights From Seattle To Illinois Last modified: Jul 28, 2016 12:47 AM

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 Aug 10, 2016 Aug 17, 2016 $418
American Aug 6, 2016 Aug 18, 2016 $437
American Aug 5, 2016 Aug 10, 2016 $443
American Aug 9, 2016 Aug 16, 2016 $443
American Jul 29, 2016 Jul 31, 2016 $472
American Aug 11, 2016 Aug 15, 2016 $497
Champaign
Carrier Departure Date Return Date Lowest Price
American Sep 23, 2016 Sep 26, 2016 $325
United Sep 23, 2016 Sep 26, 2016 $408
American Oct 18, 2016 Oct 19, 2016 $478
American Dec 20, 2016 Dec 27, 2016 $550
Chicago
Carrier Departure Date Return Date Lowest Price
Frontier Aug 27, 2016 Sep 3, 2016 $157
Frontier Aug 31, 2016 Sep 3, 2016 $157
Frontier Aug 23, 2016 Aug 27, 2016 $157
Frontier Aug 23, 2016 Aug 31, 2016 $157
Frontier Aug 31, 2016 Sep 6, 2016 $157
Frontier Aug 30, 2016 Aug 31, 2016 $157
Frontier Aug 27, 2016 Aug 30, 2016 $157
Frontier Aug 23, 2016 Aug 30, 2016 $157
Frontier Aug 30, 2016 Sep 7, 2016 $157
Frontier Aug 23, 2016 Aug 24, 2016 $157
Moline
Carrier Departure Date Return Date Lowest Price
American Sep 21, 2016 Sep 27, 2016 $314
United Aug 30, 2016 Sep 7, 2016 $314
United Oct 1, 2016 Oct 5, 2016 $314
United Sep 21, 2016 Sep 27, 2016 $314
American Oct 1, 2016 Oct 5, 2016 $314
American Aug 27, 2016 Aug 31, 2016 $314
United Oct 12, 2016 Oct 25, 2016 $314
American Oct 12, 2016 Oct 25, 2016 $314
Alaska Oct 12, 2016 Oct 25, 2016 $314
American Oct 15, 2016 Oct 26, 2016 $314
Peoria
Carrier Departure Date Return Date Lowest Price
American Sep 2, 2016 Sep 6, 2016 $322
American Nov 4, 2016 Nov 7, 2016 $330
American Nov 3, 2016 Nov 7, 2016 $330
American Aug 30, 2016 Sep 2, 2016 $352
United Nov 3, 2016 Nov 7, 2016 $375
United Nov 4, 2016 Nov 7, 2016 $375
United Sep 2, 2016 Sep 6, 2016 $390
United Aug 30, 2016 Sep 2, 2016 $390
Springfield
Carrier Departure Date Return Date Lowest Price
United Sep 14, 2016 Sep 18, 2016 $363
American Sep 14, 2016 Sep 18, 2016 $363
United Aug 12, 2016 Aug 15, 2016 $424
American Aug 12, 2016 Aug 15, 2016 $482
United Dec 20, 2016 Dec 28, 2016 $500
American Aug 19, 2016 Aug 28, 2016 $502

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 9/3/16 9/6/16 $157

Flight Schedule Summaries Number of flights searched: 479Last modified: Jul 28, 2016 12:47 AM

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 ATL X X X X X X X
Frontier - X X X X X X X
United - X X X X X X X
United SFO X X X X X X X
Virgin America SFO X X X X X X X
Southwest - X X X X X X X
Southwest STL X X X X X X X
Seattle to Peoria
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American DFW X X X X X X X
Delta MSP X X X X X X X
Delta SLC / DTW X
United ORD X X X X X X X
Seattle to Bloomington - Normal
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American DFW X X X X X X X
Delta MSP X X X X X X X
Delta SLC / ATL X
Seattle to Champaign
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American ORD X X X X X X X
Seattle to Moline
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American DFW X X X X X X X
Delta ATL X X X X X X X
United DEN 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 $157
Seattle to Moline American, Alaska, United $314
Seattle to Bloomington - Normal American, United $412
Seattle to Peoria American, Alaska, United $322
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 $144
Bellingham to Chicago American, Alaska $314
Pasco to Chicago American, Alaska, United $300
Portland to Peoria American, Alaska, United $406
Portland to Moline American, Alaska, United $406
Wenatchee to Chicago American, Alaska Check Dates
Portland to Springfield American, United $412
Yakima to Chicago American, Alaska $294
Portland to Champaign American $819
Portland to Bloomington - Normal American, Alaska, United $412
Pasco to Moline American, Alaska, United Check Dates
Bellingham to Moline American, Alaska $777
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 $355
Victoria to Chicago Pacific Coastal, American, Air Canada, Alaska, United, WestJet $239
Vancouver to Moline American, Air Canada, Alaska, United, WestJet $357
Comox to Chicago American, Air Canada, Alaska, United, WestJet Check Dates
Vancouver to Bloomington - Normal American, Air Canada, Alaska, United, WestJet $478
Vancouver to Peoria American, Air Canada, Alaska, United, WestJet $516
Nanaimo to Chicago American, Air Canada, Alaska, United, WestJet $635
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, United, WestJet Check Dates
Cheap Flights from Seattle to Illinois - from $157 Round trip from SEA to IL