Cheap Flights from Bangkok to Kathmandu

Compare Bangkok to Kathmandu flight deals

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

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Flight deals from Bangkok to Kathmandu

Looking for a cheap last-minute deal or the best return flight from Bangkok to Kathmandu? Find the lowest prices on one-way and return tickets right here.

Kathmandu.$204 per passenger.Departing Wed, 12 Aug, returning Sun, 16 Aug.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Wed, 12 Aug, arriving in Kathmandu.Inbound direct flight with Thai AirAsia departs from Kathmandu on Sun, 16 Aug, arriving in Don Mueang.Price includes taxes and charges.From $204, select.

Kathmandu.$209 per passenger.Departing Wed, 3 Jun, returning Wed, 10 Jun.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Wed, 3 Jun, arriving in Kathmandu.Inbound direct flight with Thai AirAsia departs from Kathmandu on Wed, 10 Jun, arriving in Don Mueang.Price includes taxes and charges.From $209, select.

Kathmandu.$209 per passenger.Departing Wed, 15 Jul, returning Wed, 22 Jul.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Wed, 15 Jul, arriving in Kathmandu.Inbound direct flight with Thai AirAsia departs from Kathmandu on Wed, 22 Jul, arriving in Don Mueang.Price includes taxes and charges.From $209, select.

Kathmandu.$210 per passenger.Departing Wed, 6 Jan, returning Wed, 13 Jan.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Wed, 6 Jan, arriving in Kathmandu.Inbound direct flight with Thai AirAsia departs from Kathmandu on Wed, 13 Jan, arriving in Don Mueang.Price includes taxes and charges.From $210, select.

Kathmandu.$231 per passenger.Departing Wed, 10 Feb, returning Wed, 17 Feb.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Wed, 10 Feb, arriving in Kathmandu.Inbound direct flight with Thai AirAsia departs from Kathmandu on Wed, 17 Feb, arriving in Don Mueang.Price includes taxes and charges.From $231, select.

Kathmandu.$231 per passenger.Departing Fri, 11 Sep, returning Sun, 13 Sep.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Fri, 11 Sep, arriving in Kathmandu.Inbound direct flight with Thai AirAsia departs from Kathmandu on Sun, 13 Sep, arriving in Don Mueang.Price includes taxes and charges.From $231, select.

Kathmandu.$231 per passenger.Departing Mon, 14 Dec, returning Sun, 10 Jan.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Mon, 14 Dec, arriving in Kathmandu.Inbound direct flight with Thai AirAsia departs from Kathmandu on Sun, 10 Jan, arriving in Don Mueang.Price includes taxes and charges.From $231, select.

Kathmandu.$231 per passenger.Departing Mon, 31 Aug, returning Mon, 7 Sep.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Mon, 31 Aug, arriving in Kathmandu.Inbound direct flight with Thai AirAsia departs from Kathmandu on Mon, 7 Sep, arriving in Don Mueang.Price includes taxes and charges.From $231, select.

Find the cheapest month to fly from Bangkok to Kathmandu

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Bangkok to Kathmandu flights are currently cheapest in August.

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Direct flights from Bangkok to Kathmandu

Bangkok to Kathmandu: Alternative routes

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

Kathmandu

5km from central Kathmandu

ClosestCheapest

from $204

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Bangkok to Kathmandu: Flight information

The things to know before you go.

Cheapest flight found	$204
Cheapest month to fly	August
Average flight time	3 hrs, 30 mins
Most popular airline	Thai Airways
Average flights per week	25

Finding cheap flights from Bangkok to Kathmandu: Frequently asked questions

How much are return flights from Bangkok to Kathmandu?

The best price we found for a return flight from Bangkok to Kathmandu is $204. 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.

How long does it take to fly from Bangkok to Kathmandu?

3 hours and 29 minutes is the average flight time from Bangkok to Kathmandu.

Which airlines fly direct from Bangkok to Kathmandu?

Thai Airways, Thai AirAsia and Thai LionAir fly direct from Bangkok to Kathmandu.

How many flights are there a week from Bangkok to Kathmandu?

As of February 2026, there are 25 flights per week flying from Bangkok to Kathmandu.

When is the cheapest time to fly from Bangkok to Kathmandu?

The cheapest month to fly from Bangkok to Kathmandu is usually August.

Which upcoming date is cheapest to fly from Bangkok to Kathmandu Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Bangkok to Kathmandu Airport on Wednesday, 12 August 2026.

Can I get a direct flight from Bangkok to Kathmandu Airport?

Yes – the average flight time is 3 hours and 29 minutes.

How can I find the best flight deal to Kathmandu?

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.

When is the best time to book flights to Kathmandu?

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.

Which is the cheapest airline to fly from Bangkok to Kathmandu with?

The cheapest airline that flies to Kathmandu is Thai AirAsia .

Flying from Bangkok to Tribhuvan International Airport (KTM): What you need to know

Lay the groundwork for your adventure by considering where you'll take off for your flight from Bangkok to Tribhuvan International Airport (KTM). Suvarnabhumi Airport (BKK) and Don Mueang International Airport (DMK) are the main airports in Bangkok.
Expect to be travelling for 3 hours 25 minutes. That's the average duration of a direct Bangkok to Tribhuvan International Airport flight.
The timezone in Kathmandu is UTC+5:47, which is one hour 12 minutes behind Bangkok. Tribhuvan International Airport is located in Kathmandu.
Suvarnabhumi Airport (BKK) to Tribhuvan International Airport (KTM) is the most popular route. There are 17 direct weekly departures to choose from. If you have things to do before heading off, hop on the last flight with Thai Airways International at 9:15pm. Go for the first BKK to KTM departure with Thai Airways International at 10:15am if you'd rather not wait around.
Get to the airport on time so you don't miss your flight from Bangkok to KTM. 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.
If you're jetting off during a bank holiday or other peak period, allow for even more time. Arrive two hours ahead of domestic flights and up to four hours before international departures. Lines at security and check-in will be longer.

Airports in Bangkok

Suvarnabhumi Airport (BKK)

You can jump on a direct flight from Bangkok to Tribhuvan International Airport (KTM) departing from Suvarnabhumi Airport (BKK).
You can book a direct flight from Bangkok to Tribhuvan International Airport with Thai Airways International. This well-known airline operates departures from BKK.
The preferred choice for passengers flying between BKK and KTM is Thai Airways International.
Among carriers operating on this route, Thai Airways International has the highest percentage of on-time landings.
Think about adding a stopover to find cheap flights from Bangkok to KTM. Just uncheck 'Direct flights only' when searching for departures from Suvarnabhumi Airport (BKK). Slip in a stop (and skip the high fares) by flying through one of these popular airports:
- Indira Gandhi International Airport (DEL)
- Kuala Lumpur International Airport (KUL)
- Netaji Subhas Chandra Bose Airport (CCU)
Located around 32 kilometres from central Bangkok, BKK can be reached in about 35 minutes by car, depending on traffic. The journey on public transport will take roughly 1 hour 5 minutes.
Booked an early flight from Bangkok to Tribhuvan International Airport? Avoid the hassle of rushing to the terminal (and enjoy a few extra z's) by staying at one of these hotels close to Suvarnabhumi Airport:
When it comes to Suvarnabhumi Airport's on-time performance, data shows 67.87% of flights stick to their scheduled arrival time.

Don Mueang International Airport (DMK)

You can book a direct Bangkok to Tribhuvan International Airport (KTM) flight ticket out of Don Mueang International Airport (DMK). Work out whether departing from DMK makes the most sense for you.
From DMK, direct flights from Bangkok to KTM are offered by Thai AirAsia.
Thai AirAsia has the largest share of bookings on the DMK to KTM route.
Get the most out of your holiday with a stopover on your flight from Bangkok to Tribhuvan International Airport. Check out these connections between Don Mueang International Airport and KTM:
- Kuala Lumpur International Airport (KUL)
- Changi International Airport (SIN)
- Chhatrapati Shivaji International Airport (BOM)
You can arrive at DMK from central Bangkok in about 30 minutes by car, depending on traffic. The ride by public transport takes roughly 1 hour 5 minutes to cover the 27 kilometres or so.
Want to enjoy an extra night away before catching your Bangkok to KTM flight? Unwind in a hotel near Don Mueang International Airport before your trip officially starts. Here's where you can stay:
66.48% of all departures from Don Mueang International Airport meet their expected arrival time.

About Tribhuvan International Airport (KTM)

The last thing you want is a long journey to your hotel if you're arriving on a late flight from Bangkok to Tribhuvan International Airport. Make yourself comfy at one of these accommodation options near KTM instead:
Venture beyond Kathmandu and explore places outside the usual tourist stops with your own set of wheels. You can grab a Tribhuvan International Airport rental car from Spark Car.
For the best deal, reserve your ride around one week in advance of your Bangkok to Tribhuvan International Airport flight.

How to find the cheapest flights from Bangkok to Tribhuvan International Airport (KTM)

Right now, $101 is the lowest price we've found for a one-way ticket from Bangkok to Tribhuvan International Airport. The cheapest price for a return flight is $204. Remember fares can change due to demand at the time of booking.
To score cheap flights from Bangkok to KTM, book your ticket 11 months ahead of your planned departure.
The best month for landing cheap Bangkok to Tribhuvan International Airport tickets is April. Use the 'Whole month' tool to compare prices, then select the dates that offer the lowest fares.
Save time searching for cheap flight tickets from Bangkok to KTM by setting up a Price Alert. We'll send you an email or notification through the app when a new discounted fare appears.
Save on your flight from Bangkok to Tribhuvan International Airport by using filters. Choose your preferred times, airlines and number of stops, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Bangkok to Tribhuvan International Airport (KTM)

October is the most popular month for flights from Bangkok to Tribhuvan International Airport (KTM). Plan your visit to Kathmandu in February if you'd rather be there when it's quieter.
The warmest month in Kathmandu is June, with temperatures ranging between 17ºC and 28ºC. Lock in your Bangkok to KTM flight ticket then if that's your ideal forecast.
If you like travelling in cooler conditions, look for a cheap ticket from Bangkok to Tribhuvan International Airport in January when temperatures are between 3ºC and 18ºC.

More about Kathmandu

Once you've booked your flight from Bangkok to Tribhuvan International Airport, find a hotel that's got location and comfort covered. Make one of these accommodation options your base for exploring Kathmandu:
Your trip to Kathmandu isn't complete without checking out the sights. Major attractions worth exploring include Kathmandu Durbar Square, Annapurna Base Camp Trek and Himalaya Discovery.

Explore more of Nepal

You've done Kathmandu, now it's time to discover other corners of Nepal. Travel about 145 kilometres north-west to Pokhara to tick off its leading sights. From Viewpoint to Pokhara Lakeside and Sarangkot sunrise pokhara, you've got a jam-packed schedule ahead.
Around 241 kilometres south-east of Kathmandu, Biratnagar is another favourite stop in Nepal. Experience this destination's highlights firsthand at Haleshi Mahadev Mandir, Birateshwor Shiva Temple and Shiva Mandir.