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Cheap flights from St Louis (STL) to Seoul (GMP)

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How to find the cheapest flight from St Louis (STL) to Seoul (GMP)

How to find the cheapest flight from St Louis (STL) to Seoul (GMP)
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How to find the cheapest flight from St Louis (STL) to Seoul (GMP)
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How to find the cheapest flight from St Louis (STL) to Seoul (GMP)
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Cheap flights from St Louis to Seoul in April , May 2026

27 Apr - 16 May $ 1,601.00
STL
St Louis
Alaska Airlines
3 STOPS
GMP
Seoul
GMP
Seoul
Alaska Airlines
3 STOPS
STL
St Louis
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27 Apr - 16 May $ 1,606.00
STL
St Louis
Alaska Airlines
3 STOPS
GMP
Seoul
GMP
Seoul
Alaska Airlines
3 STOPS
STL
St Louis
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27 Apr - 13 May $ 1,624.00
STL
St Louis
Alaska Airlines
3 STOPS
GMP
Seoul
GMP
Seoul
Alaska Airlines
3 STOPS
STL
St Louis
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Last minute flights from St Louis to Seoul

27 Apr - 01 May $ 1,674.00
STL
St Louis
Alaska Airlines
3 STOPS
GMP
Seoul
GMP
Seoul
Alaska Airlines
3 STOPS
STL
St Louis
Pick dates
27 Apr - 01 May $ 1,688.00
STL
St Louis
Alaska Airlines
3 STOPS
GMP
Seoul
GMP
Seoul
Alaska Airlines
3 STOPS
STL
St Louis
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27 Apr - 01 May $ 1,693.00
STL
St Louis
Alaska Airlines
3 STOPS
GMP
Seoul
GMP
Seoul
Alaska Airlines
3 STOPS
STL
St Louis
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One-way flights to Seoul from St Louis

3:21 PM - 8:20 PM
Air Busan
3 Stops
40h 4m
STL - GMP
$ 721
Kiwi
Pick dates
3:21 PM - 8:00 PM
Korean Air
3 Stops
39h 44m
STL - GMP
$ 727
Kiwi
Pick dates
3:21 PM - 8:20 PM
Air Busan
3 Stops
40h 4m
STL - GMP
$ 820
Kiwi
Pick dates

How to find the cheapest flight from St Louis (STL) to Seoul (GMP)

Related info for your journey
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How to find the cheapest flight from St Louis (STL) to Seoul (GMP)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Seoul (GMP)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.