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Flights between Bangkok (BKK) and Vientiane (VTE)

Suvarnabhumi Airport, Thailand ↔ Wattay International Airport, Laos

A direct route between Bangkok and Vientiane appears in the OpenFlights route network.

Airlines currently operating this route:

Observed from recent schedules · as of 6 Aug 2026 — sampled, not a live timetable; confirm with the airline.

Lao Airlines (QV)Thai Airways International (TG)
Distance
517 km
321 miles
Est. flight time
1h 9m
great-circle estimate
Time difference
None
varies with DST
View this route on the live map →Search fares on Skyscanner ↗

Climate

Typical monthly temperatures in Thailand

Jan
32°
37/27
10mm
Feb
33°
38/28
20mm
Mar
34°
39/29
30mm
Apr
35°
40/30
60mm
May
34°
39/29
180mm
Jun
33°
38/28
200mm
Jul
32°
37/27
200mm
Aug
32°
37/27
250mm
Sep
32°
37/27
300mm
Oct
31°
36/26
200mm
Nov
31°
36/26
50mm
Dec
31°
36/26
10mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Typical monthly temperatures in Laos

Jan
28°
33/23
10mm
Feb
30°
35/25
15mm
Mar
33°
38/28
30mm
Apr
34°
39/29
90mm
May
32°
37/27
240mm
Jun
32°
37/27
280mm
Jul
31°
36/26
290mm
Aug
31°
36/26
320mm
Sep
31°
36/26
220mm
Oct
30°
35/25
80mm
Nov
29°
34/24
15mm
Dec
27°
32/22
10mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Travel advisories

Thailand: Caution — some areas (UK FCDO) ↗Laos: Caution — some areas (UK FCDO) ↗

Common questions

How far is Bangkok from Vientiane?

Bangkok (BKK) and Vientiane (VTE) are around 517 km (321 miles) apart — an estimated 1h 9m by air. Distances and flight times are great-circle estimates.

Which airlines have operated the BKK–VTE route?

Airlines recorded operating this route in the OpenFlights network include Lao Airlines, Thai Airways International. This reflects historical scheduled service and may be out of date.

What is the time difference between Bangkok and Vientiane?

Both airports keep the same time — no time difference.

When is it warmest in Laos?

Across Laos, the warmest month on average is April, with mean temperatures around 34°C. These are country-level monthly climate normals, not airport-specific.

Are there travel advisories for Thailand and Laos?

The UK FCDO currently rates Thailand as Caution — some areas; The UK FCDO rates Laos as Caution — some areas. Check the official sources before you travel.

Distances and flight times are great-circle estimates, not booked block times.