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Flights from Bangkok to Vientiane

At least five flights a day link Bangkok and Vientiane in 1h 05m to 1h 20m: Thai Airways and Lao Airlines from Suvarnabhumi, Thai AirAsia from Don Mueang. The night train leaves at 9:25 p.m. and reaches Laos at 9:05 a.m., with no change.

By Pierre-Marie Coupry · updated · sources

Wat Si Saket and its brick-paved courtyard surrounded by galleries

Photo by Basile Morin on Wikimedia Commons · CC BY-SA 4.0

Boarding pass · nonstop

one way · Bangkok, from

$97

fare checked October 12, 2026; it changes with your dates

Compare on Aviasales

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Flight
nonstop, 1h 05m to 1h 20m
Airlines
Thai Airways, Thai AirAsia, Lao Airlines
One way
from $97
Night train
9:25 p.m. → 9:05 a.m.

Bangkok to Vientiane: night train or plane?

On this route, the train now runs all the way into Laos: a real alternative to flying. Times are for the trip itself.

Night train

Our pick

≈ 11h 40m · sleeper 784 to 874 baht

Right for you if

You want to save a night's hotel: train 133 leaves Krung Thep Aphiwat station at 9:25 p.m. and reaches Khamsavath, Vientiane's station, at 9:05 a.m. The e-Visa is accepted there.

Not for you if

You'd rather travel by day: train 75 leaves at 8:45 a.m. and arrives at 5:55 p.m.

Tickets and times on 12Go Affiliate link

Fly from Don Mueang

Cheapest

≈ 1h 10m · Thai AirAsia, 2 flights a day

Right for you if

You want the lowest fare: Thai AirAsia, usually the cheapest, leaves at 6:25 a.m. and 1:15 p.m.

Not for you if

You're landing at Suvarnabhumi on a long-haul flight: Don Mueang is a different airport.

Fly from Suvarnabhumi

For connections

≈ 1h 15m to 1h 20m · Thai Airways, Lao Airlines

Right for you if

You're connecting from a long-haul flight: Thai Airways leaves at 11:25 a.m. and 6:25 p.m., Lao Airlines at 8:50 p.m.

Not for you if

You're counting on the Wattay shuttle: the last flight lands at 10:10 p.m., after its last run at 8:30 p.m.

Bangkok to Vientiane flight prices by month

The lowest one-way fare seen for each departure month.

One way, lowest fare seen

  1. January : $104
  2. February : $97 the cheapest
  3. March : $105
  4. April : $104
  5. May : –
  6. June : –
  7. July : –
  8. August : –
  9. September : $114
  10. October : $105
  11. November : $101
  12. December : $106
January
$104
February
$97the cheapest
March
$105
April
$104
May
–
June
–
July
–
August
–
September
$114
October
$105
November
$101
December
$106

Source: Aviasales via Travelpayouts, lowest one-way fares seen in recent days, checked October 12, 2026. “–”: no fare seen for that departure month.

From Wattay Airport to downtown Vientiane

Wattay is in town, 4 km from the center. Fill in the Lao Digital Immigration Form (LDIF) online within 3 days before you arrive.

Official taxi

140,000 kip

Fixed fare, paid at the desk inside the terminal before you walk to the car. About 20 to 35 minutes depending on traffic.

Ride-hailing

≈ 70,000 kip

With the LOCA app, or inDrive, the ride downtown costs about half the official taxi. You need a data connection on arrival.

Shuttle, bus no. 44

40,000 kip

It runs to Talat Sao bus station via the hotels, every 1.5 to 2 hours, 8:10 a.m. to 8:30 p.m. from the airport.

Once in Vientiane, the Mekong

Vientiane faces Thailand: Nong Khai is across the First Friendship Bridge. Heading south, the river runs on to Thakhek, Pakse and the 4,000 Islands.

Bangkok to Vientiane: FAQ

Which Bangkok airport should I use?
Suvarnabhumi for Thai Airways and Lao Airlines, handy if you're connecting from a long-haul flight; Don Mueang for Thai AirAsia, often the cheapest. Check the airport name on your ticket.
Where do you cross the border by train?
You leave Thailand at Nong Khai and enter Laos at Khamsavath, across the Mekong. The e-Visa has been valid there since February 2025; a visa on arrival costs around $40.
Is there a more comfortable train?
Train 25 leaves at 8:25 p.m. and reaches Nong Khai at 6:25 a.m., with first-class sleepers (1,350 to 1,550 baht) or second class (894 to 994 baht). A 120-baht shuttle train then crosses the border.

Sources: flights and times, trip.com (flight status, October 2026), FlightMapper and Kayak (October 2026); trains, Seat61 (June 2026); fares, Aviasales via Travelpayouts (weekly check); visa, official portal laoevisa.gov.la and Seat61 (June 2026); Wattay, GeckoRoutes and KPL (2026). Updated October 12, 2026 by Pierre-Marie Coupry.