Cheap flights from Hanoi to Bangkok from C$ 120

In general, September is the cheapest month to fly from Hanoi to Bangkok Suvarnabhumi Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 172. If you’re not able to fly to Bangkok Suvarnabhumi Airport in September, then July is your next best option. Flight prices from Hanoi to Bangkok Suvarnabhumi Airport during July average around C$ 176.

Our data shows that the cheapest Hanoi to Bangkok Suvarnabhumi Airport flights are usually those with departure times in the evening. Our users have found flights to Bangkok Suvarnabhumi Airport in the evening for as low as C$ 176. In the morning is when there is more demand to fly to Bangkok Suvarnabhumi Airport, so prices are often more expensive at around C$ 222 per ticket.

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 C$ 213 when searching weeks out. 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 C$ 158 on momondo.

As of May 2026, prices for Hanoi to Bangkok Suvarnabhumi Airport flights are approximately 1% cheaper when compared to flights at the same time last year.

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 89 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.

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

According to our data, Thai Airways has had the least delays on this route over the last 12 months, with about 18% of their flights experiencing any sort of delay.

As of May 2026, 25 flights take off from Hanoi and land in Bangkok Suvarnabhumi Airport each day. The most common flight departure time for this route is 10:00a.m., with 40% of daily flights taking off at noon.

The number of flights available between Hanoi and Bangkok Suvarnabhumi Airport is 176 per week as of May 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.