฿3,404 Find Cheap Flights from Bangkok to Vientiane – Compare and Save

Among airlines operating Bangkok to Vientiane flights:

• Thai Airways: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

3 airlines operate flights between Bangkok and Vientiane. The airlines offering direct flights on this route include:

• Thai Airways
• Lao Airlines
• Thai AirAsia

Flights from Bangkok to Vientiane may depart from several airports in Bangkok area, including Bangkok Suvarnabhumi (BKK) and Bangkok Don Mueang Intl (DMK). Flights usually arrive at Vientiane Wattay (VTE).

Here are some options for this route, based on selected ticket types and cabin classes:

• Thai Airways: a cabin bag and a checked bag in Economy class
• Thai AirAsia: a cabin bag and a checked bag in Economy class
• Lao Airlines: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Two cabin classes are available on flights from Bangkok to Vientiane:

• Economy class
• Business Class

On this route, direct flights are cheaper than stopover options on average. Direct fares average ฿6,658 return, compared with ฿10,730 via a stopover through Ho Chi Minh City (SGN).

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge ฿694–฿3,304 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

Most connecting flights from Bangkok to Vientiane pass through Ho Chi Minh City (SGN), which handles 100% of one-stop traffic on this route. Other stopover airports each see under 5%.

On the Bangkok to Vientiane route, being flexible with your departure day can save you up to 12%. Saturday is the cheapest day at ฿6,543 return on average, while Wednesday is the most expensive at ฿7,402 – a ฿859 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Bangkok to Vientiane route, 23% of flights were delayed in the past 3 months, with delays averaging 1 hour 22 minutes.

Morning is the busiest departure period on Bangkok to Vientiane flights, with 51% leaving in that window. Evening departures account for 33%, Afternoon flights for 16%, and Night flights for 0%.

These are the earliest and latest flight times available from Bangkok to Vientiane:

• Earliest: departs at 06:25 and lands at 07:41
• Latest: departs at 20:50 and lands at 22:06.

The flight takes about 1h 16m.

Last-minute fares on this route (booked within 2 weeks of departure) run 15% above the route average of ฿6,660. Book 17 weeks before departure for the lowest fares.

A direct flight from Bangkok to Vientiane takes 1h 16m, covering 833 km.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

One-way fares from Bangkok to Vientiane are currently higher than usual. Average one-way flight prices are about ฿3,926, which is 11% above the typical average for this route.

แอร์เอเชีย is slightly above the route average for timely arrivals, while Lao Airlines has a lower on-time arrival rate. On-time arrival rates on Bangkok to Vientiane flights are:

• แอร์เอเชีย: 83% on time
• Lao Airlines: 76% on time
• Thai AirAsia: 75% on time

On average, flights on this route are punctual 77% of the time.

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Return flights from Bangkok to Vientiane range from ฿5,499 to ฿8,309, with an average of ฿6,660 over the past 12 months. Anything below ฿5,499 counts as a good deal.