Cheap flights from Kathmandu to Bangkok from £154

If you don’t want to visit Bangkok Suvarnabhumi Airport in March, then you should wait until January to fly from Kathmandu, when ticket prices are also cheap, with an average price of £193.

According to our data, Wednesday is the cheapest day to fly to Bangkok Suvarnabhumi Airport from Kathmandu. The lowest ticket price found for a Wednesday departure recently was £243. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Kathmandu to Bangkok Suvarnabhumi Airport for around £383.

According to our data, the cheapest time of day to fly to Bangkok Suvarnabhumi Airport is in the afternoon. momondo users have found flights departing from Kathmandu to Bangkok Suvarnabhumi Airport in the afternoon for as low as £168. 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 £334 on average. Flights to Bangkok Suvarnabhumi Airport from Kathmandu in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Kathmandu Tribhuvan to Bangkok Suvarnabhumi for the best Kathmandu Tribhuvan - Bangkok Suvarnabhumi flight prices

You are more likely to see cheaper flights to Bangkok Suvarnabhumi Airport from Kathmandu when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok Suvarnabhumi Airport for around £229 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 Kathmandu for as low as £172 on momondo.

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

You could potentially save up to 31% on your flight if you consider stops on a Kathmandu to Bangkok Suvarnabhumi Airport flight.

As of August 2026, prices for Kathmandu to Bangkok Suvarnabhumi Airport flights are approximately 45% cheaper when compared to flights at the same time last year.

China Eastern is the most popular carrier operating from Kathmandu Tribhuvan to Bangkok Suvarnabhumi

Thai Airways, Thai AirAsia and Thai Lion Air are the top three most popular airlines that fly to Bangkok Suvarnabhumi Airport from Kathmandu according to our data. Thai Airways is the first choice among our users, with 42% of people opting to fly with this airline when travelling to Bangkok Suvarnabhumi Airport. Keep in mind that there are 4 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 32% of flights between Kathmandu and Bangkok have experienced a delay on any given week. The average delay length over the past 12 months has been 126 minutes.

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

Thursday is statistically the day of the week that experiences the fewest delays on this flight route. Wednesday 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 26% of their flights experiencing any sort of delay.

As of August 2026, 2 flights take off from Kathmandu and land in Bangkok Suvarnabhumi Airport each day. The most common flight departure time for this route is 00:00, with 44% of daily flights taking off in the morning.

The number of flights available between Kathmandu and Bangkok Suvarnabhumi Airport is 16 per week as of August 2026. The most frequent departure day is Mon, with 19% of weekly flights leaving on this day.