Cheap flights from St. Louis, MO to Chiang Mai, Thailand
Flights starting at $564. Choose between Frontier Airlines, Thai AirAsia, or Korean Air to find the best price.
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Tips to know when travelling to Chiang Mai
Cheapest one-way trip | $625 |
---|---|
Cheapest round-trip | $1,343 |
Average round-trip | $1,421 |
Includes rare itinerary | |
Most popular airline | Frontier Airlines |
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The most popular airlines for this route are Frontier Airlines, Thai AirAsia, Korean Air, Alaska Airlines, and Starlux Airlines. St. Louis and Chiang Mai have 151 direct flights per week.
Check-in for a flight from St. Louis to Chiang Mai
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Thai AirAsia | AIQ | FD | No | 0 0 |
Korean Air | KAL | KE | Yes | 0 0 |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Starlux Airlines | SJX | JX | No | No |
Weather in Chiang Mai
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 29°C | 15°C |
February | 33°C | 17°C |
March | 36°C | 21°C |
April | 37°C | 24°C |
May | 35°C | 24°C |
June | 31°C | 23°C |
July | 30°C | 22°C |
August | 30°C | 22°C |
September | 30°C | 22°C |
October | 30°C | 20°C |
November | 30°C | 19°C |
December | 28°C | 16°C |
14 day forecast
Frequently asked questions
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