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Cheap Flights from Seattle to Chicago - SEA to CHI (reverse)

Popular Flights from Seattle to Chicago

  • Airfare from Seattle to Chicago on Frontier from $280 round trip
  • Airfare from Seattle to Chicago on US Airways from $300 round trip
  • Airfare from Seattle to Chicago on United from $300 round trip
  • Airfare from Seattle to Chicago on Sun Ctry from $312 round trip
  • Airfare from Seattle to Chicago on AirTran from $322 round trip

Did You Know?

  • The smallest aircraft operated by US Airways flying between Seattle, WA and Chicago, IL is a CRJ with 50 seats.
  • Alaska has the most nonstop flights between Seattle, WA and Chicago, IL.
  • The shortest flight between Seattle, WA and Chicago, IL on KLM is 1,727 miles.
  • 12 airlines operate between Seattle, WA and Chicago, IL
  • The largest aircraft operated by Air Canada flying between Seattle, WA and Chicago, IL is a 32S with 120 seats.
  • Etihad has 2 nonstop flights between Seattle, WA and Chicago, IL.
  • San Francisco, CA is the most popular connection for one stop flights between Seattle, WA and Chicago, IL.
  • 193,289 seats are available per day to fly out of Seattle, WA connecting to Chicago, IL

Advance Purchase Prices from Seattle to Chicago

  • Carrier
    0 Days
    1 Day
    3 Days
    7 Days
    10 Days
    14 Days
    21 Days
  • Alaska
    $732
    $732
    $578
    $220
    $310
    $382
    $382
  • American
    $732
    $732
    $732
    $220
    $310
    $382
    $382
  • Continental
    $732
    $732
    $732
    $220
    $310
    $382
    $382
  • Delta
    $732
    $732
    $732
    $220
    $310
    $382
    $382
  • Frontier
    $733
    $733
    $589
    $241
    $331
    $403
    $403
  • JetBlue
    $1135
    $1135
    $1135
    $491
    $331
    $431
    $431
  • US Airways
    $468
    $468
    $468
    $220
    $310
    $362
    $362
  • United
    $732
    $732
    $732
    $220
    $310
    $382
    $382
  • Virgin America
    $907
    $907
    $907
    $241
    $241
    $493
    $493

Daily Non-stop Flight Schedules from Seattle/Tacoma International to O Hare

  • Airline
    Mon
    Tue
    Wed
    Thu
    Fri
    Sat
    Sun
    Earliest Flight
    Latest Flight
  • Alaska
    2
    2
    2
    2
    3
    1
    2
    8:30 AM
    6:05 PM
  • American
    4
    4
    4
    4
    4
    3
    4
    6:00 AM
    2:20 PM
  • United
    4
    4
    4
    5
    4
    2
    3
    6:04 AM
    2:11 PM

Daily Non-stop Flight Schedules from Seattle/Tacoma International to Chicago Midway

  • Airline
    Mon
    Tue
    Wed
    Thu
    Fri
    Sat
    Sun
    Earliest Flight
    Latest Flight
  • Southwest
    2
    2
    2
    2
    2
    1
    1
    6:35 AM
    1:50 PM

Cheap Domestic Flights from Seattle - SEA

Flights
Airline
Lowest Price
US Airways, United, Frontier, Delta, Alaska, American, JetBlue, Virgin America
$198
Virgin America, American, Delta, United, Alaska, US Airways, Hawaiian, Frontier
$158
Virgin America, American, Alaska, Delta, United, US Airways
$138
United, Alaska, Delta, US Airways, Sun Ctry, JetBlue, Frontier, Virgin America, AirTran, American
$252
Delta, Alaska, United, US Airways, American, Sun Ctry, Frontier
$239
AirTran, Virgin America, Frontier, US Airways, American, Alaska, United, Sun Ctry, JetBlue
$298
United, Delta, US Airways, Alaska, Frontier, AirTran, American
$298
United, Alaska, American, Sun Ctry, Frontier, Virgin America, Delta, US Airways
$210
AirTran, United, US Airways, Delta, Alaska, American, Sun Ctry, JetBlue, Virgin America
$222
United, Frontier, Delta, Alaska, American, US Airways, Sun Ctry
$238
United, Sun Ctry, US Airways, American, Delta, Alaska
$293
US Airways, American, Frontier, Delta, United, Alaska, Virgin America
$169
Hawaiian, AirTran, United, Delta, Alaska, US Airways, Sun Ctry, JetBlue, Frontier, American, Virgin America
$261
Delta, American, US Airways, Frontier, AirTran, United, Alaska
$253
AirTran, Alaska, United, Delta, US Airways, American, JetBlue, Frontier, Virgin America
$282
Delta, United, Alaska, JetBlue
$242
Delta, American, United, Alaska, Hawaiian, US Airways
$535
AirTran, American, Alaska, United, Frontier, JetBlue, US Airways, Sun Ctry, Delta
$272
Delta, United, Virgin America, US Airways, American, Alaska, AirTran, JetBlue
$211
Alaska, United, Virgin America, Delta, Frontier, US Airways
$198
US Airways, Virgin America, Alaska, Delta, American
$138
US Airways, Alaska, United, Frontier, AirTran, American, Delta
$237
Alaska, AirTran, American, Frontier, United, US Airways, Delta
$218
American, United, Delta, Alaska, US Airways, Frontier
$118
Hawaiian, Delta, US Airways, United, American, Alaska
$448
Delta, US Airways, American, Hawaiian, United, Alaska
$369
Frontier, US Airways, Alaska, United, Delta
$198
Alaska, AirTran, JetBlue, American, US Airways, Delta, United
$247
US Airways, United, Alaska, American, Delta
$176
Alaska, United, Delta, US Airways, American, AirTran, Frontier
$264
US Airways, Alaska, American, Frontier, United, Delta
$233
US Airways, Alaska, JetBlue, American, United, Delta
$201
Frontier, AirTran, American, US Airways, Delta, Alaska, United
$239
AirTran, American, Alaska, Delta, United, US Airways
$218
Alaska, Hawaiian, American, US Airways, Delta, United
$340
Delta, United, US Airways, Frontier, AirTran, American, Alaska
$253
Virgin America, JetBlue, US Airways, American, United, Delta, Alaska
$239
American, Alaska, United, Delta, US Airways
$178
US Airways, Delta, Alaska, United
$218
American, Delta, Alaska, US Airways, Hawaiian
$138
Alaska, United, Delta, Frontier, US Airways, American
$208
US Airways, American, United, Delta, Alaska
$180
Alaska, American, US Airways, United, Delta
$178
Alaska
$138
Alaska, Delta, JetBlue, American, US Airways
$158
Cheap Flights from Seattle to Chicago, from $280 Round trip from SEA to CHI