Cheap flights from Bangkok Suvarnabhumi Airport to Vientiane from $93

If you aren’t able to travel during the month of August, then book flights to Vientiane from Bangkok Suvarnabhumi Airport during September instead. Flights to Vientiane in September, while not as cheap as those in August, still average around $165.

Our data shows that Saturday is the least expensive day to fly to Vientiane. Tickets to fly out on this day can be as low as $173. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Bangkok Suvarnabhumi Airport to Vientiane for around $249.

Our most recent data shows that the best time of day to fly to Vientiane is at noon. Flights from Bangkok Suvarnabhumi Airport to Vientiane during this time can be as low as $164. In contrast, the most expensive time of day to depart to Vientiane is in the afternoon when prices are around $264.

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 $175 when searching weeks out. 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 $162 on momondo.

There are 2 cabin classes available to choose from on Bangkok Suvarnabhumi to Vientiane Wattay flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

Thai AirAsia, Thai Airways and Lao Airlines 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 41% of people opting to fly with this airline when traveling 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 28% 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 73 minutes.

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

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, Lao Airlines have had the least number of delays on this route over the last 12 months; with about 27% of their flights experiencing any sort of delay.

As of March 2026, there are 9 flights per day flying from Bangkok Suvarnabhumi Airport to Vientiane. The most common time of day flights depart is 6:00PM, with 57% of flights taking off in the evening.

As of March 2026, 66 flights take off from Bangkok Suvarnabhumi Airport and land in Vientiane each week. The most common flight departure day for this route is Tue, with 15% of weekly flights taking off on this day.