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Cheap Flights from Seoul to St. Louis $813.06

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Cheapest Flights from Seoul to St. Louis (ICN to STL)

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

Interesting Facts About Flights from Seoul to St. Louis (ICN to STL)

Question : What day in the next four weeks has the best fares?
Answer : December 7th offers bookings (as of November 28th) that are 13% below the average price for this route. Saving on flight costs means you'll have more cash in hand for the trip.

Question : How long are most people's visits to Saint Louis when they fly in from Seoul?
Answer : Passengers from ICN to STL stay 36 days on average.

Question : Is price more important than specific travel days for you?
Answer : Sunday is your lowest-cost day to fly in December. Having flexibility in your travel plans means you can save, so be sure to plan ahead when possible.

Question : Which airline is offering the cheapest round-trip flight from ICN to STL?
Answer : American Airlines is offering its passengers the cheapest flights over the next three months.