Cheap flights from Bangkok Suvarnabhumi Airport to Vientiane from $103

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

Our data shows that Sunday is the least expensive day to fly to Vientiane. Tickets to fly out on this day can be as low as $203. 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 $268.

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 $165. In contrast, the most expensive time of day to depart to Vientiane is in the afternoon when prices are around $274.

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 $180 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 $163 on momondo.

Lao Airlines 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 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 in the morning have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 26% of their flights experiencing any sort of delay.

As of April 2026, there are 7 flights per day flying from Bangkok Suvarnabhumi Airport to Vientiane. The most common time of day flights depart is 6:00PM, with 65% of flights taking off in the evening.

As of April 2026, 50 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 16% of weekly flights taking off on this day.