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Cheap Flights from Bangkok (DMK) to Kathmandu (KTM)

Compare Don Mueang to Kathmandu flight deals

Find the cheapest month or even day of the year to fly to Kathmandu

Book the best Kathmandu fare with no extra fees

Flight deals from Don Mueang to Kathmandu

Looking for a cheap last-minute deal or the best return flight from Don Mueang to Kathmandu? Find the lowest prices on one-way and return tickets right here.
Kathmandu.$117 per passenger.Departing Tue, 15 Jul, returning Sun, 24 Aug.Return flight with Thai LionAir.Outbound direct flight with Thai LionAir departs from Don Mueang on Tue, 15 Jul, arriving in Kathmandu.Inbound direct flight with Thai LionAir departs from Kathmandu on Sun, 24 Aug, arriving in Don Mueang.Price includes taxes and charges.From $117, select.
Kathmandu.$117 per passenger.Departing Tue, 1 Jul, returning Thu, 17 Jul.Return flight with Thai LionAir.Outbound direct flight with Thai LionAir departs from Don Mueang on Tue, 1 Jul, arriving in Kathmandu.Inbound direct flight with Thai LionAir departs from Kathmandu on Thu, 17 Jul, arriving in Don Mueang.Price includes taxes and charges.From $117, select.
Kathmandu.$256 per passenger.Departing Sat, 9 Aug, returning Sat, 30 Aug.Return flight with Thai LionAir.Outbound direct flight with Thai LionAir departs from Don Mueang on Sat, 9 Aug, arriving in Kathmandu.Inbound direct flight with Thai LionAir departs from Kathmandu on Sat, 30 Aug, arriving in Don Mueang.Price includes taxes and charges.From $256, select.
Kathmandu.$298 per passenger.Departing Thu, 4 Sep, returning Thu, 11 Sep.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Thu, 4 Sep, arriving in Kathmandu.Inbound direct flight with Thai AirAsia departs from Kathmandu on Thu, 11 Sep, arriving in Don Mueang.Price includes taxes and charges.From $298, select.
Kathmandu.$305 per passenger.Departing Sat, 18 Oct, returning Sat, 25 Oct.Return flight with Thai LionAir.Outbound direct flight with Thai LionAir departs from Don Mueang on Sat, 18 Oct, arriving in Kathmandu.Inbound direct flight with Thai LionAir departs from Kathmandu on Sat, 25 Oct, arriving in Don Mueang.Price includes taxes and charges.From $305, select.
Kathmandu.$311 per passenger.Departing Sat, 30 Aug, returning Sat, 13 Sep.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Sat, 30 Aug, arriving in Kathmandu.Inbound direct flight with Thai AirAsia departs from Kathmandu on Sat, 13 Sep, arriving in Don Mueang.Price includes taxes and charges.From $311, select.
Kathmandu.$326 per passenger.Departing Tue, 24 Jun, returning Thu, 24 Jul.Return flight with Thai LionAir.Outbound direct flight with Thai LionAir departs from Don Mueang on Tue, 24 Jun, arriving in Kathmandu.Inbound direct flight with Thai LionAir departs from Kathmandu on Thu, 24 Jul, arriving in Don Mueang.Price includes taxes and charges.From $326, select.
Kathmandu.$341 per passenger.Departing Sat, 24 Jan, returning Sun, 8 Feb.Return flight with Thai LionAir and Thai AirAsia.Outbound direct flight with Thai LionAir departs from Don Mueang on Sat, 24 Jan, arriving in Kathmandu.Inbound direct flight with Thai AirAsia departs from Kathmandu on Sun, 8 Feb, arriving in Don Mueang.Price includes taxes and charges.From $341, select.

The cheapest month to fly from Don Mueang Airport to Kathmandu Airport

We’re always keeping an eye on fares, to help you find the lowest one in seconds. Check out the Don Mueang Airport to Kathmandu Airport flight prices forecast over the next 12 months.
Jun
from $358
Jul
from $117
Aug
from $256
Sep
from $298
Oct
from $305
Nov
from $358
Dec
from $372
Jan
from $357
Feb
from $359
Mar
from $362
Apr
from $598
May
from $799
Cheapest month:July
Most expensive month:May

Direct flights from Don Mueang to Kathmandu

Don Mueang to Kathmandu: Alternative routes

Compare routes from Don Mueang to Kathmandu below. You may find an airport to fly into that's cheaper, faster, or easier than Kathmandu.

Bangkok to Kathmandu: Flight information

The things to know before you go.
Cheapest flight found$117
Cheapest month to flyJuly
Average flight time3 hrs, 23 mins
Most popular airlineThai AirAsia
Average flights per week10

Finding cheap flights from Don Mueang to Kathmandu: Frequently asked questions

The best price we found for a return flight from Don Mueang to Kathmandu is $117. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 23 minutes is the average flight time from Don Mueang to Kathmandu.
Thai AirAsia and Thai LionAir fly direct from Don Mueang to Kathmandu.
As of June 2025, there are 10 flights per week flying from Don Mueang to Kathmandu.
The cheapest month to fly from Don Mueang to Kathmandu is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Don Mueang Airport to Kathmandu Airport on Tuesday, 1 July 2025.
Yes – the average flight time is 3 hours and 23 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kathmandu but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Kathmandu is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Thai LionAir offers the cheapest flight tickets to Kathmandu.

Travelling from Don Mueang International Airport (DMK) to Tribhuvan International Airport (KTM): what you need to know

  • Around 3 hours 45 minutes is how long you can expect to be travelling on a direct flight from Don Mueang International Airport to Tribhuvan International Airport.

  • The timezone in Kathmandu is UTC+5:47, which is one hour 12 minutes behind Bangkok.

  • Every week, there are four Don Mueang International Airport to Tribhuvan International Airport flights. If you'd like to get going early, take the 11:00 Thai Lion Air flight. If you're eager to make the most of your day before you fly, the last flight is at 15:00 with Thai Lion Air.

  • Get to the airport on time so you don't miss your DMK to KTM flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

  • Flying during a peak month such as August? Public holidays and other popular seasons can mean longer lines and delays at airport checkpoints. Play things extra safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

  • Jetting into Kathmandu (and then discovering more of Nepal!) is a cinch with Thai Lion Air. This popular carrier offers direct flights from Don Mueang International Airport to Tribhuvan International Airport.

  • The airline with the highest passenger demand on this route is Thai Lion Air.

  • Consider adding a stopover when booking your ticket from Don Mueang International Airport to Tribhuvan International Airport. Simply uncheck 'Direct flights only' to break up your journey, or maybe even explore a new city along the way. Here are some options between DMK and KTM:

    • Kuala Lumpur International Airport

    • Changi International Airport

    • Chhatrapati Shivaji International Airport

How to find the cheapest flights from Don Mueang International Airport (DMK) to Tribhuvan International Airport (KTM)

  • $137 is the lowest price for a one-way Don Mueang International Airport to Tribhuvan International Airport flight. A return flight starts at $117. These prices may change based on demand and availability.

  • Book six months before flying. After looking at the numbers on our calendar, this is how far you should book ahead to find cheap tickets from DMK to KTM.

  • The cheapest month for flights from Don Mueang International Airport to Tribhuvan International Airport is May. Use the 'Whole month' tool to find the lowest prices if you have flexible travel dates.

  • There's no need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll notify you as soon as there's a better deal on cheap flights from DMK to KTM.

  • Choose your preferred departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Don Mueang International Airport to Tribhuvan International Airport.

Handy information about Don Mueang International Airport (DMK)

  • 66.48% of flights that leave from Don Mueang International Airport arrive at their destination on time.

  • To reach Don Mueang International Airport from central Bangkok, it'll take about 30 minutes by car. Of course, this depends on traffic. It's approximately 27 kilometres from the airport to the city centre.

  • Expect a trip time of about 1 hour 5 minutes on public transport.

  • Have an early flight from Don Mueang International Airport to Tribhuvan International Airport? Avoid the hassle of rushing to the airport (and enjoy a little extra shut-eye) by choosing one of these stays near DMK:

Arriving at Tribhuvan International Airport (KTM)

  • The last thing you want is a long journey to your hotel if you're landing late on a Don Mueang International Airport to Tribhuvan International Airport flight. Book one of these accommodation options near KTM instead:

  • Start your adventure the moment you land with a Tribhuvan International Airport rental car. Grab a set of wheels from Spark Car to explore Kathmandu and beyond.

  • Lock in the best rate by reserving your vehicle from Tribhuvan International Airport around one week before your travel date.

Getting from Tribhuvan International Airport (KTM) to central Kathmandu

  • From Tribhuvan International Airport, Kathmandu is approximately 5 kilometres away. It takes around 15 minutes to get to the centre driving.

When to fly to Tribhuvan International Airport (KTM)

  • The quietest month for a flight from Don Mueang International Airport to Tribhuvan International Airport is February, while September is the busiest. Choose the ideal time to visit Kathmandu based on whether you prefer a more relaxed vibe or a faster pace.

  • When reserving your flight from Don Mueang International Airport to Tribhuvan International Airport, think about the kind of weather you like. June is the warmest month in Kathmandu, with temperatures ranging from 17ºC (63ºF) to 28ºC (82ºF).

  • Search for cheap tickets from DMK to KTM in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between 3ºC (37ºF) and 18ºC (64ºF) on average.

Explore more of Nepal

  • Pokhara is just one of the many cities in Nepal waiting to be discovered once you've seen the sights of Kathmandu. Around 145 kilometres away to the north-west, popular attractions include Phewa Lake, Sarangkot and Gupteshwor Mahadev Cave.

  • Patan is another standout destination in Nepal and is around 6 kilometres south of Kathmandu. No journey is complete without visiting Aspur Agro Farm, Pimbahaa Pukhoo and Rajib Handicraft.

Plan the rest of your trip from Bangkok to Kathmandu

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.