How long is the flight from St Louis to Seattle?

STL–SEA is 4h 22m nonstop, covering 2,744 km (1,705 mi).

Which airlines fly nonstop from St Louis to Seattle?

Alaska Airlines, Southwest Airlines operate this route nonstop.

One-way fares on STL–SEA recently started from $144. Fares change daily, so check current prices before booking.

The route is served 7 days a week (16 scheduled departures).

STLSEA

St. Louis Lambert International Airport (St Louis, United States) → Seattle–Tacoma International Airport (Seattle, United States)

Also known as St Louis.

One-way, per person

Lowest fares Aviasales travelers found in recent searches; some may include a connection. Prices change often — tap a month to see live fares.

How long is the flight from St Louis to Seattle?: STL–SEA is 4h 22m nonstop, covering 2,744 km (1,705 mi).
Which airlines fly nonstop from St Louis to Seattle?: Alaska Airlines, Southwest Airlines operate this route nonstop.
How much is a flight from St Louis to Seattle?: One-way fares on STL–SEA recently started from $144. Fares change daily, so check current prices before booking.
How often do flights run from St Louis to Seattle?: The route is served 7 days a week (16 scheduled departures).