Cheap flights from Southeast Asia to Kathmandu from $148

The month of June is another great option to travel to Kathmandu, with average flight prices from Southeast Asia averaging around $253.

According to our data, Tuesday is the cheapest day to fly to Kathmandu from Southeast Asia. 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 Southeast Asia to Kathmandu on a Wednesday will generally be more expensive and average around $500. 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 Southeast Asia to Kathmandu when you can find flight prices for as low as $269. Flying to Kathmandu in the morning is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $476.

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

You are more likely to see cheaper flights to Kathmandu from Southeast Asia when booking weeks ahead of your departure date. In general, you can expect to find flights to Kathmandu for around $280 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kathmandu from Southeast Asia for as low as $236 on momondo.

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

SriLankan Airlines, Himalaya Airlines, and Air India are the most popular carriers operating from Southeast Asia to Kathmandu Tribhuvan

Thai AirAsia, Thai Airways and Thai Lion Air are the top three most popular airlines that fly to Kathmandu from Southeast Asia according to our data. Thai AirAsia is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Kathmandu. Keep in mind that there are 7 different airlines that fly to Kathmandu on a routine basis, so you have a few additional options to choose from.

9 flights are operational daily from Southeast Asia to Kathmandu as of March 2026. The most popular departure time for this route is 6:00PM, with 60% of flights per day taking off in the evening.

63 flights are operational weekly from Southeast Asia to Kathmandu as of March 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.