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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 May , June 2026

31 May - 05 Jun $ 1,621.00
STL
St Louis
Alaska Airlines
3 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Alaska Airlines
3 STOPS
STL
St Louis
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24 May - 10 Jun $ 2,342.00
STL
St Louis
Alaska Airlines
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Alaska Airlines
2 STOPS
STL
St Louis
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24 May - 10 Jun $ 3,667.00
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

25 May - 31 May $ 2,136.00
STL
St Louis
Alaska Airlines
3 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Alaska Airlines
2 STOPS
STL
St Louis
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25 May - 31 May $ 2,158.00
STL
St Louis
Alaska Airlines
3 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Alaska Airlines
3 STOPS
STL
St Louis
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25 May - 01 Jun $ 2,174.00
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

7:41 PM - 4:50 PM
Cathay Pacific
3 Stops
34h 59m
STL - CNX
$ 872
Kiwi
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4:12 PM - 7:40 AM
EVA Air
2 Stops
30h 13m
STL - CNX
$ 1,105
Kiwi
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7:05 AM - 5:20 PM
Korean Air
2 Stops
25h 40m
STL - CNX
$ 1,826
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.