$145+ Cheap flights from Kathmandu (KTM) to Southeast Asia

For a flight from Kathmandu to Southeast Asia, you will be flying from Tribhuvan. Kathmandu Tribhuvan (KTM) is just 2.5 mi from the center of the city.

For as low as $370, Thai Lion Air can have you in Southeast Asia from Kathmandu in 3h 15m. The distance between Kathmandu and Southeast Asia is about 1366 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

For one-way options, check prices for Thai AirAsia. According to our data, you can fly for as low as $90. Users have also found prices from $114 and $138 on Thai Lion Air and SriLankan Airlines, respectively.

When deciding which route to take from Kathmandu to Southeast Asia consider Kathmandu Tribhuvan - Bangkok Suvarnabhumi, Kathmandu Tribhuvan - Manila Ninoy Aquino Intl or Kathmandu Tribhuvan - Denpasar Bali Ngurah Rai as they are the most popular.

On average you can expect to pay $394 for a flight from Kathmandu to Southeast Asia. The cheapest flight overall is $214 while the most popular route, (Kathmandu Tribhuvan - Bangkok Suvarnabhumi) is currently priced at $306.

Yes. In addition to deals on Kathmandu to Southeast Asia flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kathmandu to Southeast Asia.

Yes. Cheapflights offers flight deals from Kathmandu to Southeast Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Currently, March is the cheapest month in which you can book a flight from Kathmandu to Southeast Asia (average of $541). Flying from Kathmandu to Southeast Asia in May is currently the most expensive (average of $714). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.