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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 November , December 2026

26 Nov - 25 Dec $ 1,339.00
STL
St Louis
Korean Air
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Korean Air
2 STOPS
STL
St Louis
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24 Nov - 25 Dec $ 1,438.00
STL
St Louis
Korean Air
3 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Korean Air
2 STOPS
STL
St Louis
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24 Nov - 25 Dec $ 1,441.00
STL
St Louis
Korean Air
3 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Korean Air
2 STOPS
STL
St Louis
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Last minute flights from St Louis to Chiang Mai

24 Nov - 02 Dec $ 1,562.00
STL
St Louis
Frontier Airlines
3 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Frontier Airlines
3 STOPS
STL
St Louis
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24 Nov - 02 Dec $ 1,564.00
STL
St Louis
Frontier Airlines
3 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Frontier Airlines
3 STOPS
STL
St Louis
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24 Nov - 02 Dec $ 1,567.00
STL
St Louis
Frontier Airlines
3 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Frontier Airlines
3 STOPS
STL
St Louis
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One-way flights to Chiang Mai from St Louis

6:00 AM - 7:05 AM
Thai AirAsia
3 Stops
37h 25m
STL - CNX
$ 746
Kiwi
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6:00 AM - 6:30 AM
Thai Vietjet
3 Stops
36h 50m
STL - CNX
$ 748
Kiwi
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6:00 AM - 6:00 AM
Thai Airways
3 Stops
36h 20m
STL - CNX
$ 751
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.