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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
Spirit May 15, 2018 May 16, 2018 $149
American Apr 28, 2018 May 2, 2018 $155
American Apr 29, 2018 May 8, 2018 $155
American Apr 25, 2018 Apr 26, 2018 $155
American Apr 26, 2018 Apr 28, 2018 $155
American Apr 29, 2018 May 2, 2018 $155
American Apr 25, 2018 Apr 28, 2018 $155
American Apr 27, 2018 Apr 28, 2018 $155
American Apr 27, 2018 May 2, 2018 $155
American Apr 25, 2018 May 2, 2018 $155

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
Chicago 5/4/18 5/8/18 $155
Moline 5/10/18 5/13/18 $568
Bloomington, Illinois 5/24/18 5/29/18 $507
Champaign 5/24/18 5/27/18 $576
Peoria 5/26/18 5/28/18 $532

Flight Schedule Summaries Last modified: Apr 24, 2018 5:14 -04:00Number of routes searched: 702Number of itineraries searched: 2,483,121

Seattle to Chicago
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American -
Alaska -
Major Airlines -
Frontier -
Spirit -
United -
American CLT
American DFW
American JFK
American LAX
Alaska ANC
Alaska LAX
Alaska PDX
Alaska SAN
JetBlue BOS
JetBlue JFK
Major Airlines ATL
Major Airlines DTW
Major Airlines MSP
Major Airlines CVG
Frontier COS
Frontier DEN
Spirit BWI
Spirit DFW
Spirit FLL
Spirit IAH
United DEN
United DFW
United EWR
United IAD

Cheap Domestic Flights from Seattle - SEA Last modified: Apr 24, 2018 5:14 -04:00Prices shown were found by travelers like you over the past 30 days

On FareCompare, you’ll find cheap flights for domestic and international travel. Since airlines change flight prices constantly, sign up for Fare Alerts and let FareCompare’s travel search engine monitor airline ticket prices of all major airlines, so you’ll be first in line to get the cheapest tickets.
Cheap Flights from Seattle to Illinois - from $149 Round trip from SEA to IL