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Cheap Flights From Seattle To Illinois Last modified: Aug 29, 2016 12:35 AM

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

Bloomington - Normal
Carrier Departure Date Return Date Lowest Price
American Sep 28, 2016 Oct 8, 2016 $376
American Oct 28, 2016 Nov 1, 2016 $376
American Sep 29, 2016 Oct 9, 2016 $403
American Sep 30, 2016 Oct 10, 2016 $403
Champaign
Carrier Departure Date Return Date Lowest Price
American Dec 15, 2016 Jan 4, 2017 $431
American Sep 23, 2016 Sep 25, 2016 $463
Chicago
Carrier Departure Date Return Date Lowest Price
United Oct 4, 2016 Oct 4, 2016 $117
United Sep 27, 2016 Oct 4, 2016 $117
United Sep 27, 2016 Oct 8, 2016 $117
United Oct 5, 2016 Oct 8, 2016 $117
United Sep 21, 2016 Sep 24, 2016 $117
American Sep 13, 2016 Sep 27, 2016 $117
United Oct 19, 2016 Oct 25, 2016 $117
United Oct 4, 2016 Oct 8, 2016 $117
American Sep 24, 2016 Sep 27, 2016 $117
American Sep 24, 2016 Sep 28, 2016 $117
Moline
Carrier Departure Date Return Date Lowest Price
American Oct 12, 2016 Oct 25, 2016 $320
American Oct 12, 2016 Oct 21, 2016 $320
Alaska Sep 22, 2016 Oct 4, 2016 $320
American Sep 29, 2016 Oct 4, 2016 $320
American Nov 23, 2016 Nov 30, 2016 $320
American Oct 15, 2016 Oct 18, 2016 $320
American Oct 28, 2016 Nov 1, 2016 $320
Alaska Oct 12, 2016 Oct 21, 2016 $320
American Oct 22, 2016 Nov 1, 2016 $320
American Oct 1, 2016 Oct 3, 2016 $320
Peoria
Carrier Departure Date Return Date Lowest Price
American Oct 5, 2016 Oct 12, 2016 $320
American Nov 4, 2016 Nov 8, 2016 $328
American Nov 3, 2016 Nov 8, 2016 $328
American Oct 25, 2016 Oct 30, 2016 $328
United Nov 3, 2016 Nov 8, 2016 $332
United Nov 4, 2016 Nov 8, 2016 $332
United Oct 25, 2016 Oct 30, 2016 $336
United Oct 24, 2016 Oct 30, 2016 $336
American Oct 24, 2016 Oct 30, 2016 $336
United Oct 5, 2016 Oct 12, 2016 $336
Springfield
Carrier Departure Date Return Date Lowest Price
American Oct 28, 2016 Nov 1, 2016 $348
United Oct 28, 2016 Nov 1, 2016 $369
United Dec 28, 2016 Jan 4, 2017 $438
United Dec 27, 2016 Jan 3, 2017 $468
United Dec 26, 2016 Jan 3, 2017 $488
American Dec 28, 2016 Jan 4, 2017 $496

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 9/24/16 9/27/16 $117

Flight Schedule Summaries Number of flights searched: 483Last modified: Aug 29, 2016 12:35 AM

Seattle to Chicago
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American - X X X X X X X
American DFW 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 X X X X
Frontier DEN X X X X X X X
Spirit LAX X
United - X X X X X X X
United IAH 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 MCI 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 ORD X X X X X X X
Delta MSP X X X X X X 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 ORD X X X X X X X
Delta ATL 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, Delta, Frontier, Spirit, United, Virgin America $117
Seattle to Moline American, Alaska, Delta, United $317
Seattle to Bloomington - Normal American, Delta $376
Seattle to Peoria American, Delta, United $320
Seattle to Champaign American $431
Seattle to Springfield American, United $348

Cheap Domestic Flights to Illinois - IL

FlightsAirlineLowest Price
Portland to Chicago American, Alaska, JetBlue, Delta, Frontier, Spirit, United, Virgin America $147
Bellingham to Chicago American, Alaska, Delta $320
Pasco to Chicago American, Alaska, Delta, United $286
Portland to Peoria American, Delta, United $376
Portland to Moline American, Alaska, Delta, United $376
Wenatchee to Chicago American, Alaska, Delta $329
Portland to Springfield American, United $332
Yakima to Chicago American, Alaska, Delta $457
Portland to Champaign American Check Dates
Portland to Bloomington - Normal American, Delta Check Dates
Pasco to Moline American, Alaska, Delta, United Check Dates
Bellingham to Moline American, Alaska, Delta Check Dates
Bellingham to Peoria American, Delta Check Dates

Cheap International Flights to Illinois - IL

FlightsAirlineLowest Price
Vancouver to Chicago American, Air Canada, AeroMexico, Alaska, Delta, United, WestJet $351
Victoria to Chicago American, Air Canada, Alaska, Delta, United, WestJet $314
Vancouver to Moline American, Alaska, Delta, United Check Dates
Comox to Chicago Air Canada, WestJet Check Dates
Vancouver to Bloomington - Normal American Check Dates
Vancouver to Peoria American, Delta, United $308
Nanaimo to Chicago Air Canada, WestJet Check Dates
Vancouver to Champaign American Check Dates
Vancouver to Springfield American, United Check Dates
Penticton to Chicago Air Canada, WestJet $504
Cheap Flights from Seattle to Illinois - from $117 Round trip from SEA to IL