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

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 Airport

Looking for a cheap last-minute deal or the best return flight from Bangkok to Kathmandu Airport? If you want to travel next month, return fares start from £165. Find the lowest prices on one-way and return tickets right here.

Kathmandu.£79 per passenger.Departing Wed, 20 May.One-way flight with Thai LionAir.Outbound direct flight with Thai LionAir departs from Don Mueang on Wed, 20 May, arriving in Kathmandu.Price includes taxes and charges.From £79, select.

Kathmandu.£88 per passenger.Departing Sun, 19 Apr.One-way flight with Thai LionAir.Outbound direct flight with Thai LionAir departs from Don Mueang on Sun, 19 Apr, arriving in Kathmandu.Price includes taxes and charges.From £88, select.

Kathmandu.£89 per passenger.Departing Sun, 5 Jul.One-way flight with Thai LionAir.Outbound direct flight with Thai LionAir departs from Don Mueang on Sun, 5 Jul, arriving in Kathmandu.Price includes taxes and charges.From £89, select.

Kathmandu.£89 per passenger.Departing Wed, 17 Jun.One-way flight with Thai LionAir.Outbound direct flight with Thai LionAir departs from Don Mueang on Wed, 17 Jun, arriving in Kathmandu.Price includes taxes and charges.From £89, select.

Kathmandu.£97 per passenger.Departing Sat, 5 Dec.One-way flight with Thai LionAir.Outbound direct flight with Thai LionAir departs from Don Mueang on Sat, 5 Dec, arriving in Kathmandu.Price includes taxes and charges.From £97, select.

Kathmandu.£97 per passenger.Departing Sat, 7 Nov.One-way flight with Thai LionAir.Outbound direct flight with Thai LionAir departs from Don Mueang on Sat, 7 Nov, arriving in Kathmandu.Price includes taxes and charges.From £97, select.

Kathmandu.£97 per passenger.Departing Fri, 2 Oct.One-way flight with Thai LionAir.Outbound direct flight with Thai LionAir departs from Don Mueang on Fri, 2 Oct, arriving in Kathmandu.Price includes taxes and charges.From £97, select.

Kathmandu.£99 per passenger.Departing Mon, 31 Aug.One-way flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Mon, 31 Aug, arriving in Kathmandu.Price includes taxes and charges.From £99, select.

Kathmandu.£99 per passenger.Departing Mon, 7 Sep.One-way flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Mon, 7 Sep, arriving in Kathmandu.Price includes taxes and charges.From £99, select.

Kathmandu.£102 per passenger.Departing Wed, 10 Feb.One-way flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Wed, 10 Feb, arriving in Kathmandu.Price includes taxes and charges.From £102, select.

Kathmandu.£102 per passenger.Departing Sun, 31 Jan.One-way flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Sun, 31 Jan, arriving in Kathmandu.Price includes taxes and charges.From £102, select.

Kathmandu.£190 per passenger.Departing Tue, 23 Mar.One-way flight with Thai Airways.Outbound direct flight with Thai Airways departs from Bangkok Suvarnabhumi on Tue, 23 Mar, arriving in Kathmandu.Price includes taxes and charges.From £190, 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 May.

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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

3 miles from central Kathmandu

ClosestCheapest

from £79

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Bangkok to Kathmandu: Flight information

The things to know before you go.

Cheapest flight found	£79
Cheapest month to fly	May
Average flight time	3 hrs, 29 mins
Most popular airline	Thai Airways
Average flights per week	24

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 £156. 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 April 2026, there are 23 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 June.

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 Monday, 15 June 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 Kathmandu Tribhuvan International Airport (KTM): What you need to know

There are two main airports you can start your trip from in Bangkok. Check out your options departing from Bangkok Suvarnabhumi International Airport (BKK) or Bangkok Don Mueang International Airport (DMK) when organising your flight from Bangkok to Kathmandu Tribhuvan International Airport (KTM).
Book a direct Bangkok to Kathmandu Tribhuvan International Airport flight and you'll be in the air for around 3 hours 25 minutes.
Kathmandu Tribhuvan International Airport is located in Kathmandu. The city is in the UTC+5:47 timezone and is one hour 12 minutes behind Bangkok.
Bangkok Suvarnabhumi International Airport (BKK) to Kathmandu Tribhuvan International Airport (KTM) is the most popular route. There are 16 direct departures a week to choose from. If you prefer starting your day later, hop on the last flight with Thai Airways International at 9:15pm. Go for the first BKK to KTM departure operated by Thai Airways International at 10:15am if you'd rather not wait around.
To ensure you catch your flight from Bangkok to KTM, leave enough time to check in and drop off your luggage. Arriving two hours before international departures and an hour before domestic flights is the standard rule.
You'll want to head there even earlier during popular months like February. Aim for two hours before domestic departures and four hours ahead of international flights. Once you've checked in, you can use any extra time to relax or find something to eat.

Airports in Bangkok

Bangkok Suvarnabhumi International Airport (BKK)

Bangkok Suvarnabhumi International Airport (BKK) makes it easy to travel directly to your destination. Nonstop flights from Bangkok to Kathmandu Tribhuvan International Airport (KTM) can be booked from this terminal.
Thai Airways International is a leading airline that operates direct flights from Bangkok to Kathmandu Tribhuvan International Airport departing from BKK.
The majority of travellers choose to fly with Thai Airways between BKK and KTM.
Among carriers operating on this route, Thai Airways is the most consistent for on-time landings.
We make it easy to book cheap flights from Bangkok to KTM that include a stopover. To explore your options leaving from Bangkok Suvarnabhumi International Airport (BKK), deselect 'Direct flights only.' Next, choose a flight offering a stop long enough to tour the city of your choice. Major stopovers between BKK and KTM include:
- Delhi Indira Gandhi International (DEL)
- Kuala Lumpur International Airport (KUL)
- Kolkata Netaji Subhas Chandra Bose Intl Airport (CCU)
BKK is about 31 kms (19 miles) from central Bangkok. If you're driving, catching a taxi or ride-sharing from the centre, it'll take you 35 minutes or so to get there, depending on traffic. If you're taking public transport, expect the trip time to be around 35 minutes.
Want a leisurely start to your break? Stay near Bangkok Suvarnabhumi International Airport. Whether you've booked an early flight from Bangkok to Kathmandu Tribhuvan International Airport or want to avoid feeling rushed, these hotels offer the perfect solution:
Of the departures from Bangkok Suvarnabhumi International Airport, 73% arrive as scheduled at their destination.

Bangkok Don Mueang International Airport (DMK)

You can book a direct Bangkok to Kathmandu Tribhuvan International Airport (KTM) plane ticket out of Bangkok 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 can be booked with Thai Lion Air.
On the DMK to KTM route, Thai LionAir is the go-to airline for most travellers on this route.
Among the carriers operating flights between Bangkok Don Mueang International Airport and Kathmandu Tribhuvan International Airport, Thai AirAsia has the best track record for timeliness.
Tick a new place off your list or just take a moment to reset with a stopover. If you'd like to split up your flight from Bangkok to Kathmandu Tribhuvan International Airport, check out these options when taking off from Bangkok Don Mueang International Airport:
- Kuala Lumpur International Airport (KUL)
- Singapore Changi Airport (SIN)
- Mumbai Chhatrapati Shivaji International Airport (BOM)
DMK is about 24 kms (15 miles) from central Bangkok. It takes 35 minutes or so to get to the airport in a car from the city centre. Public transport takes approximately 1 hour 5 minutes.
Get a head start on your holiday with an extra night away from home. Before catching your Bangkok to KTM flight, kick back in one of these hotels near Bangkok Don Mueang International Airport:
Bangkok Don Mueang International Airport has an on-time performance rate of 60%. This figure gives an insight into how often flights that take off from this airport arrive on schedule.

About Kathmandu 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 Kathmandu Tribhuvan International Airport. Check in to one of these accommodation options near KTM instead:
Booking your ride around one week in advance of your Bangkok to Kathmandu Tribhuvan International Airport flight can help you score a better rate.

Getting from Kathmandu Tribhuvan International Airport (KTM) to central Kathmandu

Kathmandu Tribhuvan International Airport is around 6 kms (4 miles) from the centre of Kathmandu. It takes around 30 minutes or so to drive to the city.
Travelling on public transport will take you around 40 minutes.

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

£79 is currently the lowest price for a one-way ticket from Bangkok to Kathmandu Tribhuvan International Airport. Return flights start at £156. These prices can change depending on demand and availability.
To snap up cheap flights from Bangkok to KTM, book your plane ticket 11 months ahead of your planned departure.
April is when you're most likely to find a good deal on a Bangkok to Kathmandu Tribhuvan International Airport ticket. If you're looking to travel during a different time of year, the 'Whole month' tool will give you the lowest prices across every month.
There's no need to check back in every day to find out if prices have dropped when you set up a Price Alert. We'll let you know as soon as a lower fare pops up on plane tickets from Bangkok to KTM.
Find the best deal on a flight from Bangkok to Kathmandu Tribhuvan International Airport with the help of the filters. Pick your preferred arrival and departure times, airlines and number of stops. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest.'

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

December is the quietest month for flights from Bangkok to Kathmandu Tribhuvan International Airport (KTM), while February is the most popular. Pick the ideal time to go to Kathmandu based on whether you want a laid-back vibe or a lively atmosphere.
The warmest month in Kathmandu is June, with temperatures ranging between 17ºC and 30ºC. Lock in your Bangkok to KTM plane ticket then if that's your ideal forecast.
If you like travelling in cooler conditions, search for a cheap ticket from Bangkok to Kathmandu Tribhuvan International Airport in January when temperatures are between 3ºC and 19ºC.

More about Kathmandu

Start your Kathmandu trip off on the right foot by choosing the perfect place to stay. After booking your flight from Bangkok to Kathmandu Tribhuvan International Airport, explore our range of hotels including:
Your trip to Kathmandu won't be complete without checking out the sights. Big-name attractions that should be on your list include Kathmandu Durbar Square, Boudhanath Stupa and Swayambhunath Stupa.

Explore more of Nepal

Pokhara is just one of the many places in Nepal waiting to be explored after you've seen Kathmandu. Around 145 kms (90 miles) away to the northwest, popular attractions include Phewa Lake, Parahawking and Sarangkot View Point.
Biratnagar is another must-experience destination in Nepal and is around 241 kms (150 miles) southeast of Kathmandu. No trip is complete without experiencing Haleshi Mahadev Mandir, Birateshwor Shiva Temple and ISKCON Jaljala.