Cheap flights from Bangkok to Hanoi from £59

The month of January is, on average, the cheapest month to fly to Hanoi from Bangkok, with most prices found around £109. If you’re not able to fly to Hanoi in January, then November is your next best option. Flight prices from Bangkok to Hanoi during November average around £116.

The cheapest day to depart from Bangkok to Hanoi is on a Tuesday when prices can be found for as low as £130. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Bangkok to Hanoi for around £284.

According to our data, the cheapest time of day to fly to Hanoi is at midday. momondo users have found flights departing from Bangkok to Hanoi at midday for as low as £111. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Hanoi, so prices are often more expensive at around £223 per ticket.

Fly from Bangkok Suvarnabhumi to Hanoi Noibai for the best Bangkok - Hanoi Noibai flight prices

You are more likely to see cheaper flights to Hanoi from Bangkok when booking weeks ahead of your departure date. In general, you can expect to find flights to Hanoi for around £126 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hanoi from Bangkok for as low as £114 on momondo.

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

Vietnam Airlines is the most popular carrier operating from Bangkok to Hanoi Noibai

Vietnam Airlines, Thai AirAsia and VietJet Air are the top three most popular airlines that fly to Hanoi from Bangkok according to our data. Vietnam Airlines is the first choice among our users, with 35% of people opting to fly with this airline when travelling to Hanoi. Keep in mind that there are 4 different airlines that fly to Hanoi on a routine basis, so you have a few additional options to choose from.

Historically, on average around 28% of flights between Bangkok and Hanoi have experienced a delay on any given week. The average delay length over the past 12 months has been 91 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.

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

According to our data, Thai Airways have had the fewest delays on this route over the last 12 months, with about 20% of their flights experiencing any sort of delay.

27 flights are operational daily from Bangkok to Hanoi as of September 2026. The most popular departure time for this route is 15:00, with 41% of flights per day taking off in the afternoon.

As of September 2026, 195 flights take off from Bangkok and land in Hanoi each week. The most common flight departure day for this route is Tue, with 15% of weekly flights taking off on this day.