Cheap flights from Kathmandu to Bangkok from ₹ 21,355

If you’re not able to fly to Bangkok Suvarnabhumi Airport in January, then March is your next best option. Flight prices from Kathmandu to Bangkok Suvarnabhumi Airport during March average around ₹ 24,597.

According to our data, Friday is the cheapest day to fly to Bangkok Suvarnabhumi Airport from Kathmandu. The lowest ticket price found for a Friday departure recently was ₹ 33,020. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Bangkok Suvarnabhumi Airport on Sunday is ₹ 71,799.

In the afternoon is the cheapest time of day to fly from Kathmandu to Bangkok Suvarnabhumi Airport when you can find flight prices for as low as ₹ 22,845. Flying to Bangkok Suvarnabhumi Airport in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are ₹ 51,238 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 ₹ 27,409 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 ₹ 21,260 on momondo.

There are 2 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.

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

Thai AirAsia, Thai Airways and Thai Lion Air are the top three most popular airlines that fly to Bangkok Suvarnabhumi Airport from Kathmandu 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 34% 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 124 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. Monday 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 27% of their flights experiencing any sort of delay.

The number of flights available between Kathmandu and Bangkok Suvarnabhumi Airport is 2 per day as of June 2026. The most frequent departure time is 13:00, with 41% of daily flights leaving in the afternoon.

As of June 2026, there are 17 flights per week flying from Kathmandu to Bangkok Suvarnabhumi Airport. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.