Cheap flights from Bangkok Suvarnabhumi Airport to Vientiane from £78

In general, September is the cheapest month to fly from Bangkok Suvarnabhumi Airport to Vientiane. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £122. If you’re not able to fly to Vientiane in September, then August is your next best option. Flight prices from Bangkok Suvarnabhumi Airport to Vientiane during August average around £122.

The cheapest day to depart from Bangkok Suvarnabhumi Airport to Vientiane is on a Tuesday when prices can be found for as low as £123. On the other hand, Wednesday is the most expensive day to depart from Bangkok Suvarnabhumi Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £150.

The cheapest time of day to fly to Vientiane is at midday when flights can be purchased for as low as £118. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £171 on average. Flights to Vientiane from Bangkok Suvarnabhumi Airport in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Bangkok Suvarnabhumi to Vientiane Wattay for the best Bangkok Suvarnabhumi - Vientiane Wattay flight prices

You are more likely to see cheaper flights to Vientiane from Bangkok Suvarnabhumi Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Vientiane for around £133 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Vientiane from Bangkok Suvarnabhumi Airport for as low as £120 on momondo.

Lao Airlines and Vietnam Airlines are the most popular carriers operating from Bangkok Suvarnabhumi to Vientiane Wattay

Thai AirAsia, Lao Airlines and Thai Airways are the top three most popular airlines that fly to Vientiane from Bangkok Suvarnabhumi Airport according to our data. Thai AirAsia is the first choice among our users, with 54% of people opting to fly with this airline when travelling to Vientiane. Keep in mind that there are 3 different airlines that fly to Vientiane on a routine basis, so you have a few additional options to choose from.

Historically, on average around 27% of flights between Bangkok and Vientiane have experienced a delay on any given week. The average delay length over the past 12 months has been 72 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Lao Airlines have had the fewest delays on this route over the last 12 months, with about 26% of their flights experiencing any sort of delay.

6 flights are operational daily from Bangkok Suvarnabhumi Airport to Vientiane as of May 2026. The most popular departure time for this route is 18:00, with 65% of flights per day taking off in the evening.

The number of flights available between Bangkok Suvarnabhumi Airport and Vientiane is 47 per week as of May 2026. The most frequent departure day is Fri, with 17% of weekly flights leaving on this day.