Cheap flights from Bangkok to Kathmandu from $166

The month of December is another great option to travel to Kathmandu, with average flight prices from Bangkok averaging around $252.

According to our data, Tuesday is the cheapest day to fly to Kathmandu from Bangkok. The lowest ticket price found for a Tuesday departure recently was $451. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Bangkok to Kathmandu on a Friday will generally be more expensive and average around $533. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

In the morning is the cheapest time of day to fly from Bangkok to Kathmandu when you can find flight prices for as low as $283. Flying to Kathmandu in the morning is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive with an average ticket price of $460.

Fly from Bangkok Don Mueang Intl to Kathmandu Tribhuvan for the best Bangkok - Kathmandu Tribhuvan flight prices

You are more likely to see cheaper flights to Kathmandu from Bangkok when booking weeks ahead of your departure date. In general, you can expect to find flights to Kathmandu for around $325 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kathmandu from Bangkok for as low as $233 on momondo.

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

Air India is the most popular carrier operating from Bangkok to Kathmandu Tribhuvan

Thai AirAsia, Thai Airways and Thai Lion Air are the top three most popular airlines that fly to Kathmandu from Bangkok according to our data. Thai AirAsia is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Kathmandu. Keep in mind that there are 4 different airlines that fly to Kathmandu on a routine basis, so you have a few additional options to choose from.

Historically, on average around 29% of flights between Bangkok and Kathmandu have experienced a delay on any given week. The average delay length over the past 12 months has been 86 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Sunday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 20% of their flights experiencing any sort of delay.

2 flights are operational daily from Bangkok to Kathmandu as of July 2026. The most popular departure time for this route is 10:00AM, with 44% of flights per day taking off at noon.

14 flights are operational weekly from Bangkok to Kathmandu as of July 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.