Cheap flights from St. Louis to Bangkok from £442
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How much do flights to Bangkok cost?
Cheapest one-way trip | £442 |
|---|---|
Cheapest round-trip | £903 |
Average round-trip | £1,025 |
Includes rare itinerary | |
Most popular airline | Alaska Airlines |
Getting from Bangkok's airports to the city center
Fastest options: Airport Rail Link (BKK) and taxi. Best value: public buses and the Airport Rail Link.
How to get from Suvarnabhumi Airport (BKK) to Bangkok?
Transport Option | Typical Time | Typical Cost | Frequency | Best For |
|---|---|---|---|---|
26-30 min | ฿45; flat fare to Phaya Thai (~$1.30 USD) | every 10–15 min (traffic dependent) | budget travelers to BTS | |
60-90 min | ฿60; flat fare (~$1.70 USD) | every 30 min (traffic dependent) | backpackers to Khao San | |
30-60 min | ฿250 – ฿400; metered plus 50 THB airport surcharge and tolls (~$7–12 USD) | on-demand 24/7 (traffic dependent) | door-to-door with luggage | |
30-60 min | ฿300 – ฿500; varies by demand and vehicle type (~$9–15 USD) | on-demand 24/7 (traffic dependent) | app-based convenience | |
30-60 min | ฿800 – ฿1,500; pre-booked sedan or van (~$23–43 USD) | pre-booked (traffic dependent) | groups or premium comfort |
How to get from Don Mueang International Airport (DMK) to Bangkok?
Transport Option | Typical Time | Typical Cost | Frequency | Best For |
|---|---|---|---|---|
20-40 min | ฿30; flat fare (~$0.85 USD) | every 10–20 min (traffic dependent) | budget connection to BTS | |
30-60 min | ฿200 – ฿350; metered plus 50 THB airport surcharge and tolls (~$6–10 USD) | on-demand 24/7 (traffic dependent) | door-to-door with luggage | |
30-60 min | ฿250 – ฿450; varies by demand and vehicle type (~$7–13 USD) | on-demand 24/7 (traffic dependent) | app-based convenience |
Notes:
- Prices in THB; table created in 2025 and subject to change.
- Bangkok traffic can be severe, especially during rush hours (7–9 AM and 5–8 PM). Allow extra time for road-based transport.
- The Airport Rail Link connects to BTS Skytrain at Phaya Thai station and MRT at Makkasan station.
- Metered taxis charge a 50 THB airport surcharge plus expressway tolls (typically 25–75 THB).
- We recommend checking official transport websites for your travel planning.
Updated: December 2025
Key info about flying to Bangkok
Check-in for a flight from St. Louis to Bangkok
| Name | Carrier code | IATA Code | Passport needed during booking |
|---|---|---|---|
| Alaska Airlines | ASA | AS | No |
| Frontier Airlines | FFT | F9 | No |
| EVA Air | EVA | BR | Yes |
| Korean Air | KAL | KE | Yes |
| Air Canada | ACA | AC | Yes |
Online check-in is not available for these airlines.
Weather in Bangkok
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | 32°C | 23°C |
| February | 33°C | 25°C |
| March | 34°C | 27°C |
| April | 35°C | 28°C |
| May | 34°C | 28°C |
| June | 33°C | 27°C |
| July | 31°C | 26°C |
| August | 32°C | 26°C |
| September | 31°C | 26°C |
| October | 31°C | 25°C |
| November | 31°C | 24°C |
| December | 31°C | 23°C |
14 day forecast
Frequently asked questions
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