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

Popular Flights from St Louis to Seattle

  • Airfare from St Louis to Seattle on American from $239 round trip
  • Airfare from St Louis to Seattle on Alaska from $258 round trip
  • Airfare from St Louis to Seattle on Delta from $261 round trip
  • Airfare from St Louis to Seattle on United from $261 round trip
  • Airfare from St Louis to Seattle on US Airways from $261 round trip

Did You Know?

  • The shortest flight between St Louis, MO and Seattle, WA on Iberia is 1,973 miles.
  • Qantas has 4 one stop flights between St Louis, MO and Seattle, WA.
  • Alaska has the most nonstop flights between St Louis, MO and Seattle, WA.
  • 10 airlines operate between St Louis, MO and Seattle, WA
  • The smallest aircraft operated by Air France flying between St Louis, MO and Seattle, WA is a CRJ with 70 seats.
  • 118,253 seats are available per day to fly out of St Louis, MO connecting to Seattle, WA
  • The largest aircraft operated by Jet India flying between St Louis, MO and Seattle, WA is a ERJ with 50 seats.
  • 250 flights per week fly out of St Louis, MO connecting to Seattle, WA

Advance Purchase Prices from St Louis to Seattle

  • 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 Lambert International to Seattle/Tacoma International

  • Airline
    Mon
    Tue
    Wed
    Thu
    Fri
    Sat
    Sun
    Earliest Flight
    Latest Flight
  • Alaska
    1
    1
    1
    1
    1
    1
    1
    6:35 PM
    6:35 PM

Cheap Domestic Flights from St Louis - STL

Flights
Airline
Lowest Price
American, US Airways, Frontier, AirTran, Delta, Alaska, United
$268
United, Delta, US Airways, American, Frontier, AirTran
$239
United, Delta, American, US Airways
$334
Delta, United, AirTran, Frontier, American, US Airways
$263
Delta, Choice One, American, US Airways, United, Alaska
$166
AirTran, Frontier, American, US Airways, United, Alaska, Delta
$304
AirTran, American, US Airways, United, Frontier
$196
Alaska, Delta, United, American, Frontier, AirTran, US Airways
$160
United, Delta, American, AirTran, US Airways
$218
Frontier, American, Delta, United, Alaska, US Airways, AirTran
$250
US Airways, Delta, United, American, Frontier, AirTran
$291
AirTran, Frontier, United, Alaska, US Airways, American, Delta
$218
United, Delta, American, Frontier
$218
AirTran, Frontier, American, US Airways, United, Delta, Alaska
$263
Delta, US Airways, United, American, AirTran
$210
Alaska, United, Delta, US Airways, American
$769
Cheap Flights from St Louis to Seattle, from $239 Round trip from STL to SEA