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Cheap flights from St Louis (STL) to Bangkok (BKK)

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How to find the cheapest flight from St Louis (STL) to Bangkok (BKK)

How to find the cheapest flight from St Louis (STL) to Bangkok (BKK)
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How to find the cheapest flight from St Louis (STL) to Bangkok (BKK)
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How to find the cheapest flight from St Louis (STL) to Bangkok (BKK)
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Cheap flights from St Louis to Bangkok in December 2025 , January 2026

31 Dec - 16 Jan $ 1,378.00
STL
St Louis
Frontier Airlines
2 STOPS
BKK
Bangkok
BKK
Bangkok
Frontier Airlines
2 STOPS
STL
St Louis
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24 Dec - 11 Jan $ 2,257.00
STL
St Louis
Alaska Airlines
2 STOPS
BKK
Bangkok
BKK
Bangkok
Alaska Airlines
2 STOPS
STL
St Louis
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17 Dec - 01 Jan $ 4,891.00
STL
St Louis
Cathay Pacific
2 STOPS
BKK
Bangkok
BKK
Bangkok
Cathay Pacific
2 STOPS
STL
St Louis
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Last minute flights from St Louis to Bangkok

29 Dec - 01 Jan $ 2,130.00
STL
St Louis
WestJet
2 STOPS
BKK
Bangkok
BKK
Bangkok
WestJet
3 STOPS
STL
St Louis
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24 Dec - 01 Jan $ 2,830.00
STL
St Louis
Alaska Airlines
2 STOPS
BKK
Bangkok
BKK
Bangkok
Alaska Airlines
2 STOPS
STL
St Louis
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20 Dec - 31 Dec $ 4,757.00
STL
St Louis
Cathay Pacific
2 STOPS
BKK
Bangkok
BKK
Bangkok
Cathay Pacific
2 STOPS
STL
St Louis
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One-way flights to Bangkok from St Louis

7:43 PM - 6:05 PM
Asiana Airlines
3 Stops
37h 17m
STL - BKK
$ 693
Kiwi
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5:13 PM - 7:05 PM
Korean Air
2 Stops
41h 7m
STL - BKK
$ 915
Kiwi
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9:08 AM - 7:40 PM
Qatar Airways
2 Stops
32h 7m
STL - BKK
$ 1,380
Kiwi
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How to find the cheapest flight from St Louis (STL) to Bangkok (BKK)

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