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Cheap Flights from Seattle to St. Louis $196.2

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Cheapest Flights from Seattle to St. Louis (SEA to STL)

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

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

Question : For SEA to STL, how many departure times are there on a given day?
Answer : On average, four different flight times are offered daily when you fly from Seattle to Saint Louis. You won't have as many choices on this route as most others.

Question : Should you take that vacation to Saint Louis in the next 30 days?
Answer : Since low prices are preferred, look at December 16th. As of December 5th, the cheapest ticket sales are coming in 31% below the average price for this route, so you can spend that extra cash on a fun experience in Saint Louis.

Question : Would you be willing to change your travel days if it saved you money?
Answer : Monday is your cheapest day to fly in December. Flexibility is paramount when booking travel plans in order to keep costs down.

Question : What is the likelihood your flight will be on time for this route?
Answer : Passengers are currently getting to their destination on schedule 89% of the time, which ranks in the top half across all routes. When there is a delay, it averages roughly 10 minutes.