Cheap flights from Bangkok to Hanoi from £50

The month of August is, on average, the cheapest month to fly to Hanoi from Bangkok, with most prices found around £95. If you’re not able to fly to Hanoi in August, then September is your next best option. Flight prices from Bangkok to Hanoi during September average around £98.

The cheapest day to depart from Bangkok to Hanoi is on a Sunday when prices can be found for as low as £122. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Bangkok to Hanoi for around £137.

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 £100. 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 £266 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 £111 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 £97 on momondo.

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

Vietnam Airlines and VietJet Air are the most popular carriers operating from Bangkok to Hanoi Noibai

VietJet Air, Thai AirAsia and Vietnam Airlines are the top three most popular airlines that fly to Hanoi from Bangkok according to our data. VietJet Air is the first choice among our users, with 37% 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 26% 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 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.

Wednesday 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, Thai Airways have had the fewest delays on this route over the last 12 months, with about 17% of their flights experiencing any sort of delay.

36 flights are operational daily from Bangkok to Hanoi as of March 2026. The most popular departure time for this route is 15:00, with 50% of flights per day taking off in the afternoon.

As of March 2026, 255 flights take off from Bangkok and land in Hanoi each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.