Cheap Flights from Bangkok Suvarnabhumi to Kathmandu

Compare Bangkok Suvarnabhumi 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 Suvarnabhumi to Kathmandu

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

Kathmandu.R 2,695 per passenger.Departing Fri, 20 Feb.One-way flight with Air India Express.Outbound indirect flight with Air India Express, departs from Bangkok Suvarnabhumi on Fri, 20 Feb, arriving in Kathmandu.Price includes taxes and charges.From R 2,695, select.

Kathmandu.R 2,793 per passenger.Departing Fri, 15 May.One-way flight with China Southern.Outbound indirect flight with China Southern, departs from Bangkok Suvarnabhumi on Fri, 15 May, arriving in Kathmandu.Price includes taxes and charges.From R 2,793, select.

Kathmandu.R 2,793 per passenger.Departing Wed, 18 Mar.One-way flight with China Southern.Outbound indirect flight with China Southern, departs from Bangkok Suvarnabhumi on Wed, 18 Mar, arriving in Kathmandu.Price includes taxes and charges.From R 2,793, select.

Kathmandu.R 2,839 per passenger.Departing Sun, 5 Apr.One-way flight with China Southern.Outbound indirect flight with China Southern, departs from Bangkok Suvarnabhumi on Sun, 5 Apr, arriving in Kathmandu.Price includes taxes and charges.From R 2,839, select.

Kathmandu.R 2,927 per passenger.Departing Wed, 11 Feb.One-way flight with Nepal Airlines.Outbound direct flight with Nepal Airlines departs from Bangkok Suvarnabhumi on Wed, 11 Feb, arriving in Kathmandu.Price includes taxes and charges.From R 2,927, select.

Kathmandu.R 2,980 per passenger.Departing Mon, 1 Jun.One-way flight with Thai VietJet Air.Outbound indirect flight with Thai VietJet Air, departs from Bangkok Suvarnabhumi on Mon, 1 Jun, arriving in Kathmandu.Price includes taxes and charges.From R 2,980, select.

Kathmandu.R 3,164 per passenger.Departing Sun, 2 Aug.One-way flight with Thai VietJet Air.Outbound indirect flight with Thai VietJet Air, departs from Bangkok Suvarnabhumi on Sun, 2 Aug, arriving in Kathmandu.Price includes taxes and charges.From R 3,164, select.

Kathmandu.R 3,196 per passenger.Departing Wed, 8 Jul.One-way flight with Thai VietJet Air.Outbound indirect flight with Thai VietJet Air, departs from Bangkok Suvarnabhumi on Wed, 8 Jul, arriving in Kathmandu.Price includes taxes and charges.From R 3,196, select.

Find the cheapest month to fly from Bangkok Suvarnabhumi to Kathmandu

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

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Direct flights from Bangkok Suvarnabhumi to Kathmandu

Bangkok Suvarnabhumi to Kathmandu: Alternative routes

Compare routes from Bangkok Suvarnabhumi 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 R 2,695

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Bangkok to Kathmandu: Flight information

The things to know before you go.

Cheapest flight found	R 2,695
Cheapest month to fly	February
Average flight time	3 hrs, 27 mins
Most popular airline	Thai Airways
Average flights per week	17

Check out these Kathmandu hotels

Ready to plan your stay? Other travellers rate these Kathmandu hotels for cleanliness, service and location.

Hotel Aerocity

1.08 km from Kathmandu

R 589

Per night

Hotel Bayberry Kathmandu - Near Tribhuvan International Airport

1.18 km from Kathmandu

R 568

Per night

Hotel Black Diamond

0.83 km from Kathmandu

R 480

Per night

Hotel Aerocity

1.08 km from Kathmandu

R 589

Per night

Hotel Bayberry Kathmandu - Near Tribhuvan International Airport

1.18 km from Kathmandu

R 568

Per night

Hotel Black Diamond

0.83 km from Kathmandu

R 480

Per night

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Finding cheap flights from Bangkok Suvarnabhumi to Kathmandu: Frequently asked questions

How much are return flights from Bangkok Suvarnabhumi to Kathmandu?

The best price we found for a return flight from Bangkok Suvarnabhumi to Kathmandu is R 5,539. 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 Suvarnabhumi to Kathmandu?

3 hours and 27 minutes is the average flight time from Bangkok Suvarnabhumi to Kathmandu.

Which airlines fly direct from Bangkok Suvarnabhumi to Kathmandu?

Thai Airways and Nepal Airlines fly direct from Bangkok Suvarnabhumi to Kathmandu.

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

As of February 2026, there are 17 flights per week flying from Bangkok Suvarnabhumi to Kathmandu.

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

The cheapest month to fly from Bangkok Suvarnabhumi to Kathmandu is usually February.

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

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Bangkok Suvarnabhumi Airport to Kathmandu Airport on Monday, 9 February 2026.

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

Yes – the average flight time is 3 hours and 27 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 Suvarnabhumi Airport to Kathmandu with?

Currently, IndiGo and Nepal Airlines offer the cheapest flight tickets to Kathmandu.

Travelling from Suvarnabhumi Airport (BKK) to Tribhuvan International Airport (KTM): what you need to know

Around 3 hours 25 minutes is how long you can expect to be in the air on a direct flight from Suvarnabhumi Airport to Tribhuvan International Airport.
Kathmandu's timezone is UTC+5:47, which makes Kathmandu one hour 12 minutes behind Bangkok.
You can choose from 85 weekly Suvarnabhumi Airport to Tribhuvan International Airport flights. The 10:15 departure with Thai Airways International is the earliest flight available. Thai Airways International operates the last service of the day at 21:15.
Get to the airport on time so you don't miss your BKK to KTM flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.
Be prepared for longer queues in popular months such as July. Arriving up to four hours ahead of international flights and two hours for domestic departures is a wise move.
Nepal Airlines offers direct flights from Suvarnabhumi Airport to Tribhuvan International Airport. Book with this popular carrier, then get ready to discover the sights in Kathmandu — and maybe even more of Nepal if you have time.
The airline that serves the most passengers on this route is Nepal Airlines.
The carrier with the most consistent on-time arrivals for BKK to KTM flights is Thai Airways International.
Think about adding a stopover when booking your ticket from Suvarnabhumi Airport to Tribhuvan International Airport. Just uncheck 'Direct flights only' to break up your journey, or visit a new city along the way. Here's where you can stop between BKK and KTM:
- Indira Gandhi International Airport
- Kuala Lumpur International Airport
- Hazrat Shahjalal International Airport

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

The lowest price we've found for a one-way Suvarnabhumi Airport to Tribhuvan International Airport flight is R 2,695. A return plane ticket right now is R 5,539. Depending on the availability when you book, these fares could change.
To secure cheap tickets from BKK to KTM, reserve your journey five months before your planned departure.
The cheapest month for flights from Suvarnabhumi Airport to Tribhuvan International Airport is April. Use the 'Whole month' tool to find the lowest prices if you have flexible dates.
You don't need to check back in every day to find out if fares have gone down when you create a Price Alert. We'll notify you as soon as a special offer becomes available on cheap flights from BKK to KTM.
Tailor your flights using filters. Select your arrival and departure times, total journey duration and airlines. You can also sort results by 'Best,' 'Fastest' or 'Cheapest' flights from Suvarnabhumi Airport to Tribhuvan International Airport.

Handy information about Suvarnabhumi Airport (BKK)

67.87% of flights that leave from Suvarnabhumi Airport touch down at their destination on schedule.
To reach Suvarnabhumi Airport from central Bangkok, it takes around 35 minutes if you're planning to drive. This depends on traffic, however. It's approximately 32 kilometres from the airport to the city centre.
Taking public transport? You can expect a journey time of around 1 hour 5 minutes.
Have an early flight from Suvarnabhumi Airport to Tribhuvan International Airport? Avoid the hassle of rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these hotels close to BKK:

Arriving at Tribhuvan International Airport (KTM)

The last thing you need is a long journey to your hotel if you're landing late on a Suvarnabhumi Airport to Tribhuvan International Airport flight. Reserve one of these accommodation options near KTM instead:
Set your own pace with a Tribhuvan International Airport rental car. Grab a set of wheels from Spark Car to explore Kathmandu and beyond.
Get the best deal by reserving your ride from Tribhuvan International Airport about one week ahead of your departure.

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 drive to the centre.

When to fly to Tribhuvan International Airport (KTM)

It's time to pick your trip dates for your flight from Suvarnabhumi Airport to Tribhuvan International Airport. September is the most popular month to head to Kathmandu. If you like a quieter vibe, go in February.
Book your flight from Suvarnabhumi Airport to Tribhuvan International Airport for June if you want to go to Kathmandu during its warmest month. You can expect temperatures of between 17ºC (63ºF) and 28ºC (82ºF).
Look for cheap tickets from BKK to KTM in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 3ºC (37ºF) and 18ºC (64ºF) on average.

Explore more of Nepal

Pokhara is just one of the many places in Nepal waiting to be explored after you've experienced Kathmandu. Around 145 kilometres away to the north-west, top sights here include Phewa Lake, Sarangkot and Gupteshwor Mahadev Cave.
If you're interested in discovering another major destination in Nepal, consider Patan, roughly 6 kilometres south of Kathmandu. Aspur Agro Farm, Pimbahaa Pukhoo and Rajib Handicraft are among its highlights.