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Results refresh when you open or revisit this page. Last snapshot: Jun 26, 2026.

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Cheapest return flights from St. Louis (STL) to Seoul (ICN), August

Select a price to book. see full year.

Dates, airline, and price
Dates	Airline	Price
08 Aug 23 Aug	Frontier Airlines
09 Aug 23 Aug	Frontier Airlines
24 Aug 26 Sep	WestJet
05 Aug 12 Aug	Air Canada
24 Aug 27 Sep	Air Canada
06 Aug 22 Aug	Air Canada
22 Aug 29 Aug	Air Canada
01 Aug 13 Aug	Air Canada
01 Aug 19 Aug	Air Canada
01 Aug 31 Aug	Air Canada

deals for one-way flights from St. Louis to Seoul in August.

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Updated Jun 26, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest return flights from St. Louis (STL) to Seoul (ICN), August

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