Cheap flights from Hanoi to Bangkok from $122

If you are unable to visit Bangkok Suvarnabhumi Airport during the month of September, then departing from Hanoi during the month June is also very affordable. Most momondo users find prices during this month for around $182.

On average, the least expensive day to fly to Bangkok Suvarnabhumi Airport from Hanoi is on a Monday. momondo users have found tickets for Monday departures for as low as $167. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Bangkok Suvarnabhumi Airport on Tuesday is $320.

According to our data, the cheapest time of day to fly to Bangkok Suvarnabhumi Airport is in the morning. momondo users have found flights departing from Hanoi to Bangkok Suvarnabhumi Airport in the morning for as low as $167. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $177 on average. Flights to Bangkok Suvarnabhumi Airport from Hanoi in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to Bangkok Suvarnabhumi Airport from Hanoi when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok Suvarnabhumi Airport for around $211 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok Suvarnabhumi Airport from Hanoi for as low as $162 on momondo.

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

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

Thai AirAsia, VietJet Air and Vietnam Airlines are the top three most popular airlines that fly to Bangkok Suvarnabhumi Airport from Hanoi according to our data. Thai AirAsia is the first choice among our users, with 48% of people opting to fly with this airline when travelling to Bangkok Suvarnabhumi Airport. Keep in mind that there are 3 different airlines that fly to Bangkok Suvarnabhumi Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 26% of flights between Hanoi and Bangkok have experienced a delay on any given week. The average delay length over the past 12 months has been 88 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon 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 16% of their flights experiencing any sort of delay.

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

The number of flights available between Hanoi and Bangkok Suvarnabhumi Airport is 239 per week as of March 2026. The most frequent departure day is Fri, with 15% of weekly flights leaving on this day.