Cheap Flights from Seattle to St. Louis

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Cheap SEA to St. Louis flights

Book your SEA to STL flights with Expedia and find last-minute Seattle to St. Louis airfare. Expedia offers discount airfare on multiple airline carriers that fly direct and indirect routes between SEA and STL, with new flight deals and promotions almost daily. When you book your next trip from Seattle Tacoma Intl. to Lambert St. Louis Intl. with Expedia, you can rest assured you’re getting great ticket prices and excellent service from one of the world’s most trusted travel providers.

SEA to STL Flight Schedule

A $ indicates that Expedia.com offers pricing for these airline's flights on the dates shown. A dot () indicates the airline has an available flight scheduled, but Expedia does not provide online booking at this time.

Popular Flights from Seattle, Washington

Browse popular flight destinations from Seattle (SEA), and plan your next exciting trip. Expedia has cheap flights from Seattle on multiple airline carriers, so book your next trip today!

Popular Flights from St. Louis, Missouri

Browse popular flight destinations from St. Louis (STL), and plan your next exciting trip. Expedia has cheap flights from St. Louis on multiple airline carriers, so book your next trip today!

SEA to STL Route Map


Seattle to St. Louis Flights, Stats and Airplanes

Route information for flights from Seattle Tacoma Intl. to Lambert St. Louis Intl..

Distance:
1,705.17 miles

Airline carriers and aircraft used on flights from SEA to STL

Airline Carrier Aircraft
Alaska Airlines, Inc. Boeing 737-800 (winglets) pax

Interesting Facts About Flights from Seattle to St. Louis (SEA to STL)

  • The average flight time from Seattle, WA to St. Louis, MO takes about 196 minutes.
  • American Airlines, US Airways, Delta Airlines offer flights from Seattle, WA to St. Louis, MO.
  • American Airlines operated flights from SEA to STL using 2 types of aircraft in 2009.
  • The shortest flight distance between Seattle and St. Louis is 1710 miles.
  • The smallest aircraft servicing flights from SEA to STL for American Airlines is the MD-80 built by Mcdonnell Douglas with 139 seats.
  • American Airlines offers the shortest flight times from Seattle to St. Louis.
  • The average aircraft occupancy on flights from Seattle to St. Louis in 2009 was 85.34%.
  • There were 83,144 passengers that flew from Seattle to St. Louis in 2009.
  • The oldest aircraft servicing trips from Seattle, WA to St. Louis, MO in 2009 was American Airlines' MD-80 from Mcdonnell Douglas which started flying in 1990.
  • American Airlines carried a total of 82,850 passengers from SEA to STL in 2009.
  • 95,828 seats were available on flights from SEA to STL in 2009. Of those seats, a total of 83,144 passengers flew on all flights from SEA to STL that year.
  • In 2009, there were 3 airline companies operating between Seattle and St. Louis.
  • The largest aircraft servicing flights between Seattle and St. Louis from Delta Airlines is the B767-3/R built by Boeing with 262 seats.
  • Flight #662, operated by American Airlines, was the flight with the most delays in 2009, with 10 minutes average delay between flights from Seattle to St. Louis.
  • American Airlines operates the shortest flights from Seattle to St. Louis.
  • The shortest flight between SEA and STL takes about 196 minutes.
  • The newest aircraft servicing SEA to STL in 2009 was American Airlines' B757-2 from Boeing. The B757-2 started flying in 1990.

(Source: FAA & BTS 2009 Databases)