Cheap flights from St. Louis to Chiang Mai from £539

Trusted by millions

Kiwi.com Guarantee for stress-free travel

One search, all the best deals

Explore flight deals to Chiang Mai

2 stops
Tue, Apr 1
St. Louis STLChiang Mai CNX

£565
Search
2 stops
Tue, Apr 1
St. Louis STLChiang Mai CNX

£565
Search
2 stops
Tue, Apr 1
St. Louis STLChiang Mai CNX

£539
Search
2 stops
Mon, Mar 31
St. Louis STLChiang Mai CNX

£540
Search
2 stops
Mon, Mar 31
St. Louis STLChiang Mai CNX

£570
Search
2 stops
Tue, Apr 1
St. Louis STLChiang Mai CNX

£545
Search

Prices updated:

2 stops
Wed, Apr 2 – Mon, Apr 7
St. Louis STLChiang Mai CNX

£1,228
Search
2 stops
Mon, Mar 31 – Thu, Apr 3
St. Louis STLChiang Mai CNX

£1,312
Search
2 stops
Thu, Apr 3 – Tue, Apr 8
St. Louis STLChiang Mai CNX

£1,315
Search
2 stops
Tue, Apr 1 – Mon, Apr 7
St. Louis STLChiang Mai CNX

£1,209
Search
2 stops
Thu, Apr 3 – Tue, Apr 8
St. Louis STLChiang Mai CNX

£1,236
Search
2 stops
Sun, Mar 30 – Thu, Apr 3
St. Louis STLChiang Mai CNX

£1,320
Search

Prices updated:

Not happy with the results? Try some of our useful filters

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
124
Flight distance

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

NameCarrier codeIATA CodePassport needed during booking
Thai AirAsiaAIQFDNo
Alaska AirlinesASAASNo
Qatar AirwaysQTRQRYes
Hawaiian AirlinesHALHANo
Frontier AirlinesFFTF9No

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
9 Mar
35°C20°C
16 Mar
40°C23°C
Monday
10 Mar
88%
37°C23°C
17 Mar
36°C24°C
Tuesday
11 Mar
67%
37°C24°C
18 Mar
36°C23°C
Wednesday
12 Mar
39°C23°C
19 Mar
35°C23°C
Thursday
13 Mar
39°C23°C
20 Mar
36°C23°C
Friday
14 Mar
39°C22°C
21 Mar
79%
36°C23°C
Saturday
15 Mar
39°C23°C
22 Mar
87%
36°C22°C
The most popular airlines for this route are Thai AirAsia, Alaska Airlines, Qatar Airways, Hawaiian Airlines, and Frontier Airlines. St. Louis and Chiang Mai have 124 direct flights per week.

Frequently asked questions

What are the most popular routes to and from St. Louis?
What are the most popular routes to and from Chiang Mai?
What airports are near St. Louis?
What airports are near Chiang Mai?
Which airlines fly between St. Louis and Chiang Mai?
When’s the best time to travel between St. Louis and Chiang Mai?
What flights operate between St. Louis and Chiang Mai?
How many airports are there near St. Louis?
How many airports are there near Chiang Mai?
What time do nonstop (direct) flights between St. Louis and Chiang Mai depart?
What time do nonstop (direct) flights between St. Louis and Chiang Mai arrive?
What time do flights between St. Louis and Chiang Mai depart?
What time do flights between St. Louis and Chiang Mai arrive?

Explore alternative trips

Flights from St. Louis

Flights to Chiang Mai

Popular routes

The nearest countries with flights to Chiang Mai

Here is a list of countries people are flying from

Other destination countries from St. Louis

Here is a list of countries people are flying to
Find the best connection from St. Louis to Chiang Mai
Search flights

Get more out of Kiwi.com with our mobile application

Download boarding passes

One-click booking

Get exclusive offers and prices

Mobile trip notifications


We hack the system,
you fly for less