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Cheap Flights from Seattle to St Louis - SEA to STL (reverse)

Popular Flights from Seattle to St Louis

  • Airfare from Seattle to St Louis on American from $296 round trip
  • Airfare from Seattle to St Louis on Delta from $296 round trip
  • Airfare from Seattle to St Louis on Alaska from $310 round trip
  • Airfare from Seattle to St Louis on Frontier from $318 round trip
  • Airfare from Seattle to St Louis on US Airways from $318 round trip

Did You Know?

  • The largest aircraft operated by Etihad flying between Seattle, WA and St Louis, MO is a 737 with 148 seats.
  • The shortest flight between Seattle, WA and St Louis, MO on United is 1,788 miles.
  • 152,676 seats are available per day to fly out of Seattle, WA connecting to St Louis, MO
  • 10 airlines operate between Seattle, WA and St Louis, MO
  • Finnair has 1 one stop flight between Seattle, WA and St Louis, MO.
  • Chicago, IL is the most popular connection for one stop flights between Seattle, WA and St Louis, MO.
  • 350 flights per week fly out of Seattle, WA connecting to St Louis, MO
  • Alaska has the most nonstop flights between Seattle, WA and St Louis, MO.

Advance Purchase Prices from Seattle to St Louis

  • Carrier
    0 Days
    1 Day
    3 Days
    7 Days
    10 Days
    14 Days
    21 Days
  • AirTran
    $881
    $881
    $881
    $571
    $571
    $351
    $351
  • Alaska
    $850
    $850
    $850
    $668
    $310
    $280
    $280
  • American
    $871
    $871
    $871
    $571
    $331
    $301
    $301
  • Continental
    $779
    $779
    $779
    $571
    $331
    $321
    $321
  • Delta
    $738
    $738
    $738
    $550
    $310
    $280
    $280
  • Frontier
    $759
    $759
    $759
    $571
    $331
    $301
    $301
  • US Airways
    $547
    $547
    $547
    $421
    $331
    $321
    $321
  • United
    $779
    $779
    $779
    $571
    $331
    $321
    $321

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

  • Airline
    Mon
    Tue
    Wed
    Thu
    Fri
    Sat
    Sun
    Earliest Flight
    Latest Flight
  • Alaska
    1
    1
    1
    1
    1
    1
    1
    11:30 AM
    11:45 AM
  • Southwest
    1
    1
    1
    1
    1
    0
    1
    6:00 AM
    6:15 AM

Cheap Domestic Flights from Seattle - SEA

Flights
Airline
Lowest Price
Delta, Alaska, American, US Airways, Frontier, United
$200
Sun Ctry, United, Delta, Alaska, US Airways, American, AirTran, Virgin America, Frontier
$264
Delta, Virgin America, Frontier, Hawaiian, US Airways, American, Alaska, United
$200
Alaska, Virgin America, United, Delta, American, US Airways
$198
JetBlue, United, Delta, Alaska, US Airways, American, Frontier, Virgin America
$208
Sun Ctry, United, Delta, Alaska, US Airways, American, Frontier
$296
Frontier, AirTran, US Airways, American, Delta, United, Alaska
$286
Alaska, Delta, United, US Airways, Frontier, Virgin America, American, Sun Ctry
$220
United, Delta, US Airways, American, Frontier, Sun Ctry, Alaska
$211
Alaska, Hawaiian, United
$166
United, Delta, JetBlue, Alaska
$216
United, AirTran, Alaska, American, US Airways, Sun Ctry, JetBlue, Frontier, Virgin America
$320
Alaska, US Airways, Frontier, Delta, United
$220
American, Frontier, AirTran, Alaska, Delta, United, US Airways
$333
Alaska, Delta, Hawaiian, US Airways, American
$198
Virgin America, Frontier, US Airways, Delta, American, United, Alaska
$172
Virgin America, Alaska, United, Delta, American, US Airways, Sun Ctry, Hawaiian, JetBlue, Frontier, AirTran
$282
Delta, United, Alaska, US Airways, American, Hawaiian
$266
Delta, Alaska, US Airways, United, Hawaiian
$487
Virgin America, US Airways, American, Alaska, Delta, United, JetBlue
$328
American, US Airways, Alaska, Delta
$178
AirTran, Alaska, Virgin America, American, US Airways, Delta, United, JetBlue
$328
Alaska, United, Delta, American, US Airways, Frontier, AirTran
$242
United, Delta, American, US Airways, Sun Ctry, JetBlue, AirTran, Virgin America, Alaska
$228
United, AirTran, Frontier, American, US Airways, Delta, Alaska
$150
Alaska
$174
US Airways, Delta, United, Alaska, American, JetBlue
$335
Alaska, United, Delta, US Airways, American, Sun Ctry, JetBlue, Frontier, Virgin America, AirTran
$314
Delta, Alaska, JetBlue, American, US Airways
$198
Delta, Alaska, United, American, US Airways
$150
Alaska, United, Delta, American, US Airways
$159
United, Delta, Hawaiian, US Airways, Alaska
$535
United, US Airways, Alaska, Delta
$172
United, Alaska
$647
Alaska
$567
US Airways, Delta, Frontier, AirTran, American, Alaska, United
$264
Delta, US Airways, Alaska, United
$200
Alaska, United, Sun Ctry, US Airways, American, Delta
$411
Delta, AirTran, JetBlue, American, US Airways, United, Alaska
$242
United, American, Frontier, JetBlue, AirTran, US Airways, Virgin America, Alaska, Delta
$316
Frontier, US Airways, American, United, Delta, Alaska
$208
JetBlue, Virgin America, Frontier, US Airways, American, Delta, United, Alaska
$240
United, Delta, Alaska, American, Frontier, US Airways
$306
United, AirTran, Frontier, American, Delta, Alaska, US Airways
$276
Alaska, United, Delta, American, US Airways, Frontier
$242
Alaska, Delta, JetBlue, Frontier, AirTran, US Airways, Sun Ctry, United, American
$320
Alaska, United, Hawaiian, US Airways, Delta
$529
Alaska, American, United, Delta, US Airways
$292
Hawaiian, US Airways, Delta, Alaska, United
$529
Delta, AirTran, US Airways, American, United, Alaska
$240
Cheap Flights from Seattle to St Louis, from $296 Round trip from SEA to STL