Cheap flights from Portland, OR to Vientiane, Laos
Flights starting at $592. Choose between Alaska Airlines, Lao Airlines, or Thai AirAsia to find the best price.
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Tips to know when travelling to Vientiane
Cheapest one-way trip | $592 |
---|---|
Cheapest round-trip | $1,119 |
Average round-trip | $1,324 |
Includes rare itinerary | |
Most popular airline | Alaska Airlines |
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The most popular airlines for this route are Alaska Airlines, Lao Airlines, Thai AirAsia, Thai Airways, and Frontier Airlines. Portland and Vientiane have 280 direct flights per week.
Check-in for a flight from Portland to Vientiane
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Lao Airlines | LAO | QV | Yes | 0 0 |
Thai AirAsia | AIQ | FD | No | 0 0 |
Thai Airways | THA | TG | No | 0 0 |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
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 | 35°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
Frequently asked questions
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