
Cheap flights from St. Louis to Vientiane from $516
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How much do flights to Vientiane cost?
Cheapest one-way trip | $516 |
|---|---|
Cheapest round-trip | $1,265 |
Average round-trip | $1,409 |
Includes rare itinerary | |
Most popular airline | Lao Airlines |
Key info about flying to Vientiane
Depart from
Arrive to
Average flights per week
Flight distance
Check-in for a flight from St. Louis to Vientiane
| Name | Carrier code | IATA Code | Passport needed during booking |
|---|---|---|---|
| Lao Airlines | LAO | QV | Yes |
| Qatar Airways | QTR | QR | Yes |
| Korean Air | KAL | KE | Yes |
| Cathay Pacific | CPA | CX | No |
| Tway Airlines | TWB | TW | Yes |
Online check-in is not available for these airlines.
Weather in Vientiane
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | 28°C | 17°C |
| February | 32°C | 20°C |
| March | 35°C | 23°C |
| April | 36°C | 25°C |
| May | 34°C | 25°C |
| June | 31°C | 25°C |
| July | 30°C | 24°C |
| August | 30°C | 24°C |
| September | 30°C | 23°C |
| October | 30°C | 22°C |
| November | 30°C | 20°C |
| December | 28°C | 17°C |
14 day forecast
The most popular airlines for this route are Lao Airlines, Qatar Airways, Korean Air, Cathay Pacific, and Tway Airlines. St. Louis and Vientiane have 209 direct flights per week.
Frequently asked questions
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