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Cheap flights from St Louis (STL) to Chiang Mai (CNX)

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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 Chiang Mai (CNX)

How to find the cheapest flight from St Louis (STL) to Chiang Mai (CNX)
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How to find the cheapest flight from St Louis (STL) to Chiang Mai (CNX)
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How to find the cheapest flight from St Louis (STL) to Chiang Mai (CNX)
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Cheap flights from St Louis to Chiang Mai in September , October 2026

27 Sep - 02 Oct $ 1,317.00
STL
St Louis
Alaska Airlines
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Alaska Airlines
2 STOPS
STL
St Louis
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14 Sep - 02 Oct $ 1,895.00
STL
St Louis
Alaska Airlines
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Alaska Airlines
2 STOPS
STL
St Louis
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14 Sep - 02 Oct $ 2,204.00
STL
St Louis
Alaska Airlines
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Alaska Airlines
2 STOPS
STL
St Louis
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Last minute flights from St Louis to Chiang Mai

23 Sep - 01 Oct $ 1,348.00
STL
St Louis
Alaska Airlines
3 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Alaska Airlines
3 STOPS
STL
St Louis
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23 Sep - 01 Oct $ 1,354.00
STL
St Louis
Alaska Airlines
3 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Alaska Airlines
3 STOPS
STL
St Louis
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23 Sep - 01 Oct $ 1,361.00
STL
St Louis
Alaska Airlines
3 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Alaska Airlines
3 STOPS
STL
St Louis
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One-way flights to Chiang Mai from St Louis

2:29 PM - 9:55 AM
Thai Vietjet
3 Stops
32h 51m
STL - CNX
$ 588
Kiwi
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3:19 PM - 7:40 AM
EVA Air
2 Stops
31h 6m
STL - CNX
$ 748
Kiwi
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7:36 PM - 7:30 AM
China Airlines
2 Stops
26h 44m
STL - CNX
$ 1,053
Kiwi
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How to find the cheapest flight from St Louis (STL) to Chiang Mai (CNX)

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