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Cheap flights from St Louis (STL) to Hanoi (HAN)

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How to find the cheapest flight from St Louis (STL) to Hanoi (HAN)

How to find the cheapest flight from St Louis (STL) to Hanoi (HAN)
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How to find the cheapest flight from St Louis (STL) to Hanoi (HAN)
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How to find the cheapest flight from St Louis (STL) to Hanoi (HAN)
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Cheap flights from St Louis to Hanoi in August , September 2026

24 Aug - 09 Sep $ 1,197.00
STL
St Louis
Korean Air
2 STOPS
HAN
Hanoi
HAN
Hanoi
Korean Air
2 STOPS
STL
St Louis
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26 Aug - 10 Sep $ 1,209.00
STL
St Louis
Alaska Airlines
2 STOPS
HAN
Hanoi
HAN
Hanoi
Alaska Airlines
2 STOPS
STL
St Louis
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26 Aug - 05 Sep $ 1,773.00
STL
St Louis
Alaska Airlines
2 STOPS
HAN
Hanoi
HAN
Hanoi
Alaska Airlines
2 STOPS
STL
St Louis
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Last minute flights from St Louis to Hanoi

26 Aug - 01 Sep $ 1,416.00
STL
St Louis
Frontier Airlines
2 STOPS
HAN
Hanoi
HAN
Hanoi
Frontier Airlines
3 STOPS
STL
St Louis
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26 Aug - 01 Sep $ 1,462.00
STL
St Louis
Alaska Airlines
2 STOPS
HAN
Hanoi
HAN
Hanoi
Alaska Airlines
3 STOPS
STL
St Louis
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26 Aug - 01 Sep $ 1,503.00
STL
St Louis
Frontier Airlines
2 STOPS
HAN
Hanoi
HAN
Hanoi
Frontier Airlines
3 STOPS
STL
St Louis
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One-way flights to Hanoi from St Louis

6:35 AM - 6:20 PM
Alaska Airlines
2 Stops
27h 15m
STL - HAN
$ 568
Kiwi
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9:32 AM - 8:45 AM
Cathay Pacific
2 Stops
36h 23m
STL - HAN
$ 577
Kiwi
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9:15 AM - 6:55 PM
Korean Air
2 Stops
24h 20m
STL - HAN
$ 722
Kiwi
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How to find the cheapest flight from St Louis (STL) to Hanoi (HAN)

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