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Cheap flights from St Louis (STL) to Busan (PUS)

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from St Louis (STL) to Busan (PUS)

How to find the cheapest flight from St Louis (STL) to Busan (PUS)
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How to find the cheapest flight from St Louis (STL) to Busan (PUS)
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How to find the cheapest flight from St Louis (STL) to Busan (PUS)
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Cheap flights from St Louis to Busan in July , August 2026

30 Jul - 01 Sep $ 1,450.00
STL
St Louis
Frontier Airlines
3 STOPS
PUS
Busan
PUS
Busan
Frontier Airlines
3 STOPS
STL
St Louis
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30 Jul - 31 Aug $ 1,547.00
STL
St Louis
Alaska Airlines
3 STOPS
PUS
Busan
PUS
Busan
Alaska Airlines
3 STOPS
STL
St Louis
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25 Jul - 31 Aug $ 1,565.00
STL
St Louis
Alaska Airlines
3 STOPS
PUS
Busan
PUS
Busan
Alaska Airlines
3 STOPS
STL
St Louis
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Last minute flights from St Louis to Busan

25 Jul - 01 Aug $ 2,177.00
STL
St Louis
Frontier Airlines
3 STOPS
PUS
Busan
PUS
Busan
Frontier Airlines
3 STOPS
STL
St Louis
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25 Jul - 01 Aug $ 2,240.00
STL
St Louis
Frontier Airlines
3 STOPS
PUS
Busan
PUS
Busan
Frontier Airlines
3 STOPS
STL
St Louis
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28 Jul - 01 Aug $ 2,259.00
STL
St Louis
Frontier Airlines
3 STOPS
PUS
Busan
PUS
Busan
Frontier Airlines
3 STOPS
STL
St Louis
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One-way flights to Busan from St Louis

8:08 PM - 5:10 PM
Jin Air
3 Stops
33h 7m
STL - PUS
$ 708
Kiwi
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8:08 PM - 5:10 PM
Jin Air
3 Stops
33h 7m
STL - PUS
$ 726
Kiwi
Pick dates
8:08 PM - 5:10 PM
Jin Air
3 Stops
33h 7m
STL - PUS
$ 745
Kiwi
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How to find the cheapest flight from St Louis (STL) to Busan (PUS)

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