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

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
14 Jul 29 Jul Frontier Airlines
06 Jul 20 Jul Air Canada
07 Jul 21 Jul Air Canada
04 Jul 28 Jul Air Canada
31 Jul 19 Aug Air Canada
26 Jul 29 Jul Air Canada
25 Jul 12 Aug Air Canada
17 Jul 29 Jul Air Canada
24 Jul 11 Aug Air Canada
18 Jul 25 Jul United
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deals for one-way flights from St. Louis to Seoul in July.

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Updated Jun 23, 2026.

About these fares

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