Cheap flights from Seattle to St Louis (SEA - STL)

Flight FAQs

From Seattle to St Louis

Are flight prices decreasing from Seattle to St Louis due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Seattle and St Louis for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Are there nonstop flights from Seattle to St Louis for under $100 on Cheapflights?

There are no nonstop flights from Seattle to St Louis, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Seattle to St Louis for under $200?

There are currently just 3 open flights from Seattle to St Louis within the next 7 days for less than $200.

What days are nonstop flights available from Seattle to St Louis?

Days when nonstop flights are available for this flight are: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this flight route?

The Seattle to Lambert-St Louis flight path was viewed by 34 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What percent of flights are delayed?

Flights from Seattle to St Louis are usually delayed by 26min. so prepare accordingly.

What is the cheapest airline for this route?

Currently, Southwest Airlines Co. offers the cheapest flights from Seattle to St Louis. On average 28 flights can be found for this airline route daily.

How long does the flight from Seattle to St Louis take?

Your journey will take you approximately 4 hours. Your flight will cover a distance of about 1,065 miles.

How many flights depart from Seattle to St Louis on average per day?

Per day, 6 flights depart from Seattle to Lambert-St Louis on average.
Early Morning (Midnight to 6am) - 17% of flight departures
Morning (6am - Noon) - 83% of flight departures

Is Seattle weather warmer or cooler than St Louis?

Expect the weather to be around 90 °F on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in St Louis is generally hotter than in Seattle.