Cheap flights from St. Louis to Chiang Mai from £538

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2 stops
Mon, Apr 28
St. Louis STLChiang Mai CNX

£569
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3 stops
Mon, Apr 28
St. Louis STLChiang Mai CNX

£541
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3 stops
Mon, Apr 28
St. Louis STLChiang Mai CNX

£538
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3 stops
Tue, Apr 29
St. Louis STLChiang Mai CNX

£554
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3 stops
Tue, Apr 29
St. Louis STLChiang Mai CNX

£550
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2 stops
Mon, Apr 28
St. Louis STLChiang Mai CNX

£570
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Prices updated:

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2 stops
Wed, Apr 30 – Tue, May 6
St. Louis STLChiang Mai CNX

£992
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2 stops
Wed, Apr 30 – Tue, May 6
St. Louis STLChiang Mai CNX

£1,198
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2 stops
Thu, May 1 – Tue, May 6
St. Louis STLChiang Mai CNX

£1,102
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2 stops
Wed, Apr 30 – Tue, May 6
St. Louis STLChiang Mai CNX

£1,284
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2 stops
Sat, May 3 – Wed, May 7
St. Louis STLChiang Mai CNX

£1,251
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2 stops
Tue, Apr 29 – Tue, May 6
St. Louis STLChiang Mai CNX

£1,121
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Prices updated:

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How much do flights to Chiang Mai cost?

Key info about flying to Chiang Mai

Depart from
St. Louis Lambert International
Arrive to
Chiang Mai International
Average flights per week
168
Flight distance

Check-in for a flight from St. Louis to Chiang Mai

NameCarrier codeIATA CodePassport needed during booking
Korean AirKALKEYes
EVA AirEVABRYes
Frontier AirlinesFFTF9No
Cathay PacificCPACXYes
Alaska AirlinesASAASNo

Weather in Chiang Mai

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January29°C15°C
February33°C17°C
March36°C21°C
April37°C24°C
May35°C24°C
June31°C23°C
July30°C22°C
August29°C22°C
September30°C22°C
October30°C20°C
November30°C19°C
December28°C16°C
Hottest Month
37°C
April
Coldest month
15°C
January
Sunny days
254
days per year

14 day forecast

Sunday
13 Apr
90%
35°C23°C
20 Apr
38°C26°C
Monday
14 Apr
90%
29°C22°C
21 Apr
39°C27°C
Tuesday
15 Apr
87%
33°C22°C
22 Apr
40°C27°C
Wednesday
16 Apr
81%
34°C24°C
23 Apr
40°C27°C
Thursday
17 Apr
35°C24°C
24 Apr
40°C27°C
Friday
18 Apr
36°C24°C
25 Apr
39°C27°C
Saturday
19 Apr
37°C24°C
26 Apr
41°C27°C
The most popular airlines for this route are Korean Air, EVA Air, Frontier Airlines, Cathay Pacific, and Alaska Airlines. St. Louis and Chiang Mai have 168 direct flights per week.

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