Direct flights from St. Louis to Seattle / Tacoma

Did you mean flights from Seattle / Tacoma to St. Louis?

St. Louis

United States

United States

STL

Lambert-Saint Louis International Airport

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Seattle / Tacoma

United States

United States

SEA

Seattle–Tacoma International Airport

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Flight schedule
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Click to show full flight schedule

Distance
1,059 miles  ·  (1,704 km)
Flight time
4 hours and 20 minutes
Airlines
  • Alaska
  • Southwest Airlines
Alliances
  • OneWorld
  • SkyTeam
  • Star Alliance
Classes
  • Economy
  • Premium Economy
  • Business Class
  • First Class
Aircrafts
  • Boeing 737 MAX 8
  • Boeing 737-700 (winglets)
  • Boeing 737-800 (winglets)
  • Boeing 737-900
  • Boeing 737-900 (winglets)

St. Louis to Seattle / Tacoma Flight Schedule

Scan through all non-stop flights from St. Louis to Seattle / Tacoma. The full flight schedule below gives an overview of all non-stop flights from STL to SEA, which includes the daily timetable of every operating airline for the upcoming 12 months.

Note: for airline-specific flight schedules, please scroll further down.

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Airlines flying from St. Louis to Seattle / Tacoma

Airline-specific flight schedules from St. Louis to Seattle / Tacoma

In total there are 2 airlines operating nonstop flights from St. Louis STL to Seattle / Tacoma SEA. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.

Click an airline below to view their STL SEA flight schedule.

Alaska
Alaska flight schedulefrom St. Louis to Seattle / Tacoma

Alaska is a member of OneWorld
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Southwest Airlines
Southwest Airlines flight schedulefrom St. Louis to Seattle / Tacoma

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St. Louis to Seattle / Tacoma Flights

Flights from STL to SEA are operated 21 times a week, with an average of 3 flights per day. Departure times vary between 08:00 - 17:45. The earliest flight departs at 08:00, the last flight departs at 17:45. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.

You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).

The fastest direct flight from St. Louis to Seattle / Tacoma takes 4 hours and 20 minutes. The flight distance between St. Louis and Seattle / Tacoma is 1,059 miles (or 1,704 km).

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Frequently asked questions - FAQ

How many airports are there in Seattle / Tacoma?

There are 2 airports in Seattle / Tacoma: Seattle–Tacoma International Airport (SEA) and Boeing Field/King County Internat (BFI).

How many flights per week are there from STL to SEA?

There are 21 flights per week flying from St. Louis to Seattle / Tacoma (as of August 2021).

How long does it take to fly from St. Louis to Seattle / Tacoma?

4 hours and 20 minutes is the average flight time from St. Louis to Seattle / Tacoma.

How far is Seattle / Tacoma from St. Louis?

The distance from St. Louis to Seattle / Tacoma is 1,059 miles (1,704 kilometers).

What airlines fly nonstop from STL airport to SEA airport?

Alaska and Southwest Airlines are flying nonstop from St. Louis to Seattle / Tacoma.

What alliances have direct flights from St. Louis to Seattle / Tacoma?

OneWorld is currently the only alliance flying nonstop from St. Louis to Seattle / Tacoma.

What classes are available from St. Louis to Seattle / Tacoma?

You can fly non-stop in Economy and Business Class.

What aircraft types fly from St. Louis to Seattle / Tacoma?

Aircraft types that fly from St. Louis to Seattle / Tacoma:

  • Boeing 737 MAX 8
  • Boeing 737-700 (winglets)
  • Boeing 737-800 (winglets)
  • Boeing 737-900
  • Boeing 737-900 (winglets)

What is the earliest flight departing from St. Louis to Seattle / Tacoma?

The earliest flight departs at 08:00 from St. Louis and arrives at 10:20 at Seattle / Tacoma.

What is the latest flight available from St. Louis to Seattle / Tacoma?

The latest flight departs at 17:45 from St. Louis and arrives at 20:05 at Seattle / Tacoma.

Non-stop flights from STL to SEA

1,059 miles (1,704 km)  ·  4h 20m

Round trip
1 passenger
Economy
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Return schedule
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  • Depart
  • Arrive
  • Airline
  • Flight no
  • Aircraft
  • Classes
  • 08:00

  • 10:20

  • Alaska

    Alaska

    OneWorld

  • AS 473

  • Alaska

  • Boeing 737-900 (winglets)

  • Y

    W

    J

    F

  • 08:00

  • 10:20

  • Alaska

    Alaska

    OneWorld

  • AS 473

  • Alaska

  • Boeing 737-900 (winglets)

  • Y

    W

    J

    F

  • 08:00

  • 10:20

  • Alaska

    Alaska

    OneWorld

  • AS 473

  • Alaska

  • Boeing 737-900 (winglets)

  • Y

    W

    J

    F

  • 08:00

  • 10:20

  • Alaska

    Alaska

    OneWorld

  • AS 473

  • Alaska

  • Boeing 737-900 (winglets)

  • Y

    W

    J

    F

  • 08:00

  • 10:28

  • Alaska

    Alaska

    OneWorld

  • AS 473

  • Alaska

  • Boeing 737-900 (winglets)

  • Y

    W

    J

    F

  • 08:00

  • 10:28

  • Alaska

    Alaska

    OneWorld

  • AS 473

  • Alaska

  • Boeing 737-800 (winglets)

  • Y

    W

    J

    F

  • 08:00

  • 10:28

  • Alaska

    Alaska

    OneWorld

  • AS 473

  • Alaska

  • Boeing 737-900 (winglets)

  • Y

    W

    J

    F

  • 08:00

  • 10:28

  • Alaska

    Alaska

    OneWorld

  • AS 473

  • Alaska

  • Boeing 737-900 (winglets)

  • Y

    W

    J

    F

  • 08:25

  • 10:45

  • Southwest Airlines

    Southwest Airlines

  • WN 2322

  • Southwest Airlines

  • Boeing 737 MAX 8

  • Y

    W

    J

    F

  • 08:45

  • 11:05

  • Southwest Airlines

    Southwest Airlines

  • WN 3113

  • Southwest Airlines

  • Boeing 737-800 (winglets)

  • Y

    W

    J

    F

  • 09:15

  • 11:35

  • Southwest Airlines

    Southwest Airlines

  • WN 5263

  • Southwest Airlines

  • Boeing 737-700 (winglets)

  • Y

    W

    J

    F

  • 15:20

  • 17:45

  • Alaska

    Alaska

    OneWorld

  • AS 729

  • Alaska

  • Boeing 737-900

  • Y

    W

    J

    F

  • 15:20

  • 17:45

  • Alaska

    Alaska

    OneWorld

  • AS 729

  • Alaska

  • Boeing 737-900 (winglets)

  • Y

    W

    J

    F

  • 15:20

  • 17:45

  • Alaska

    Alaska

    OneWorld

  • AS 729

  • Alaska

  • Boeing 737-800 (winglets)

  • Y

    W

    J

    F

  • 15:50

  • 18:14

  • Alaska

    Alaska

    OneWorld

  • AS 729

  • Alaska

  • Boeing 737-900 (winglets)

  • Y

    W

    J

    F

  • 15:50

  • 18:14

  • Alaska

    Alaska

    OneWorld

  • AS 729

  • Alaska

  • Boeing 737-900

  • Y

    W

    J

    F

  • 15:50

  • 18:14

  • Alaska

    Alaska

    OneWorld

  • AS 729

  • Alaska

  • Boeing 737-800 (winglets)

  • Y

    W

    J

    F

  • 15:50

  • 18:14

  • Alaska

    Alaska

    OneWorld

  • AS 729

  • Alaska

  • Boeing 737-900 (winglets)

  • Y

    W

    J

    F

  • 17:45

  • 20:05

  • Southwest Airlines

    Southwest Airlines

  • WN 4003

  • Southwest Airlines

  • Boeing 737-700 (winglets)

  • Y

    W

    J

    F

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