Cheap flights from Bangkok to Vietnam from £55

In general, September is the cheapest month to fly from Bangkok to Vietnam. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £114. If you’re not able to fly to Vietnam in September, then November is your next best option. Flight prices from Bangkok to Vietnam during November average around £114.

The cheapest day to depart from Bangkok to Vietnam is on a Tuesday when prices can be found for as low as £132. Flights from Bangkok to Vietnam on a Sunday will generally be more expensive and average around £288. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Flying to Vietnam from Bangkok at midday is the least expensive time of day to depart. momondo users have found prices as low as £113 when looking at flights departing at midday. Flights in the evening are often more expensive, with an average ticket price of £226.

Fly from Bangkok Suvarnabhumi to Phu Quoc Duong Dang for the best Bangkok - Vietnam flight prices

You are more likely to see cheaper flights to Vietnam from Bangkok when booking weeks ahead of your departure date. In general, you can expect to find flights to Vietnam for around £128 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Vietnam from Bangkok for as low as £117 on momondo.

There are 3 cabin classes available to choose from on Bangkok to Vietnam flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Thai Vietjet Air, Emirates, and Vietnam Airlines are the most popular carriers operating from Bangkok to Vietnam

Thai Vietjet Air, Thai AirAsia and Vietnam Airlines are the top three most popular airlines that fly to Vietnam from Bangkok according to our data. Thai Vietjet Air is the first choice among our users, with 38% of people opting to fly with this airline when travelling to Vietnam. Keep in mind that there are 8 different airlines that fly to Vietnam on a routine basis, so you have a few additional options to choose from.

Historically, on average around 27% of flights between Bangkok and Vietnam have experienced a delay on any given week. The average delay length over the past 12 months has been 92 minutes.

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

Tuesday 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, AirAsia have had the fewest delays on this route over the last 12 months, with about 20% of their flights experiencing any sort of delay.

As of September 2026, there are 63 flights per day flying from Bangkok to Vietnam. The most common time of day flights depart is 19:00, with 39% of flights taking off in the afternoon.

As of September 2026, 446 flights take off from Bangkok and land in Vietnam each week. The most common flight departure day for this route is Fri, with 15% of weekly flights taking off on this day.