Cheap Flights from Kathmandu to Bangkok

Compare Kathmandu to Bangkok flight deals

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

Book the best Bangkok fare with no extra fees

Flight deals from Kathmandu to Bangkok

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

Bangkok.$266 per passenger.Departing Wed, 5 Nov, returning Wed, 12 Nov.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Kathmandu on Wed, 5 Nov, arriving in Don Mueang.Inbound direct flight with Thai AirAsia departs from Don Mueang on Wed, 12 Nov, arriving in Kathmandu.Price includes taxes and charges.From $266, select.

Bangkok.$323 per passenger.Departing Fri, 16 May, returning Sun, 25 May.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Kathmandu on Fri, 16 May, arriving in Don Mueang.Inbound direct flight with Thai AirAsia departs from Don Mueang on Sun, 25 May, arriving in Kathmandu.Price includes taxes and charges.From $323, select.

Bangkok.$363 per passenger.Departing Sun, 1 Jun, returning Sun, 29 Jun.Return flight with Thai LionAir.Outbound direct flight with Thai LionAir departs from Kathmandu on Sun, 1 Jun, arriving in Don Mueang.Inbound direct flight with Thai LionAir departs from Don Mueang on Sun, 29 Jun, arriving in Kathmandu.Price includes taxes and charges.From $363, select.

Bangkok.$369 per passenger.Departing Wed, 9 Jul, returning Wed, 30 Jul.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Kathmandu on Wed, 9 Jul, arriving in Don Mueang.Inbound direct flight with Thai AirAsia departs from Don Mueang on Wed, 30 Jul, arriving in Kathmandu.Price includes taxes and charges.From $369, select.

Bangkok.$373 per passenger.Departing Wed, 29 Oct, returning Fri, 7 Nov.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Kathmandu on Wed, 29 Oct, arriving in Don Mueang.Inbound direct flight with Thai AirAsia departs from Don Mueang on Fri, 7 Nov, arriving in Kathmandu.Price includes taxes and charges.From $373, select.

Bangkok.$388 per passenger.Departing Fri, 27 Jun, returning Wed, 2 Jul.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Kathmandu on Fri, 27 Jun, arriving in Don Mueang.Inbound direct flight with Thai AirAsia departs from Don Mueang on Wed, 2 Jul, arriving in Kathmandu.Price includes taxes and charges.From $388, select.

Bangkok.$388 per passenger.Departing Fri, 16 May, returning Sun, 1 Jun.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Kathmandu on Fri, 16 May, arriving in Don Mueang.Inbound direct flight with Thai AirAsia departs from Don Mueang on Sun, 1 Jun, arriving in Kathmandu.Price includes taxes and charges.From $388, select.

Bangkok.$390 per passenger.Departing Mon, 28 Jul, returning Mon, 4 Aug.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Kathmandu on Mon, 28 Jul, arriving in Don Mueang.Inbound direct flight with Thai AirAsia departs from Don Mueang on Mon, 4 Aug, arriving in Kathmandu.Price includes taxes and charges.From $390, select.

Find the cheapest month to fly from Kathmandu to Bangkok

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

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Direct flights from Kathmandu to Bangkok

Alternative Kathmandu to Bangkok routes

Looking for the cheapest, fastest or easiest route from Kathmandu to Bangkok? You could fly into the following airports instead.

Kathmandu to Bangkok: Flight information

The things to know before you go.

Cheapest flight found	$266
Cheapest month to fly	November
Average flight time	3 hrs, 23 mins
Most popular airline	Thai Airways
Average flights per week	24

Finding cheap flights from Kathmandu to Bangkok: Frequently asked questions

How many airports are there in Bangkok?

There are 2 airports in Bangkok: Don Mueang and Bangkok Suvarnabhumi.

How much are return flights from Kathmandu to Bangkok?

The best price we found for a return flight from Kathmandu to Bangkok is $266. 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 Kathmandu to Bangkok?

3 hours and 23 minutes is the average flight time from Kathmandu to Bangkok.

Which airlines fly direct from Kathmandu to Bangkok?

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

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

As of April 2025, there are 24 flights per week flying from Kathmandu to Bangkok.

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

The cheapest month to fly from Kathmandu to Bangkok is usually April 2025.

Which is the cheapest airport to fly into in Bangkok?

If you're flying from Kathmandu Airport, the cheapest airport near Bangkok is Don Mueang – which is 21.5 km away from the centre of Bangkok. We've found flights into this airport from $266.

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

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kathmandu Airport to Bangkok on Wednesday, 5 November 2025.

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

Yes – the average flight time is 3 hours and 23 minutes.

How can I get the best flight deal from Kathmandu Airport to Bangkok?

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 Bangkok 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 Bangkok?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Bangkok is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Bangkok?

In April, the average temperature is usually around 31°C. April is typically the warmest month in Bangkok, when it usually averages around 35°C. You can expect the least rain in December. The coldest month is November, with temperatures averaging 22°C. The rainiest month is September.

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

Currently, Thai AirAsia offers the cheapest flight tickets to Bangkok.

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

Expect to be travelling for 3 hours 27 minutes. That's the average time for a direct flight from Tribhuvan International Airport to Bangkok.
Tribhuvan International Airport is located in Kathmandu. Based in the UTC+7 timezone, Bangkok is 1 hour 12 minutes ahead of Kathmandu.
With 17 flights a week between the two airports, Tribhuvan International Airport (KTM) to Suvarnabhumi Airport (BKK) is the busiest route. Thai Airways operates the earliest flight at 00:25. If you're eager to get more out of your day before leaving, the last flight from KTM to BKK is with Thai Airways at 13:30.
For stress-free travel, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to catch your flight from KTM to Bangkok.
Flying during a peak month such as October? Major public holidays and other popular periods can lead to longer lines at security. Be extra cautious and get there up to four hours ahead of international flights and two hours before a domestic departure.
You can reserve a direct flight from Tribhuvan International Airport to Bangkok. Begin your journey at KTM and end it at Suvarnabhumi Airport (BKK).
Well-known airlines that operate direct flights from Tribhuvan International Airport to Bangkok include:
Think about adding a stopover to possibly find a cheaper flight from KTM to Bangkok. Simply deselect 'Direct flights only' when browsing the departures. Break up your trip (and maybe save some cash) by stopping at one of these popular options:
- Guangzhou Baiyun International Airport (CAN)
- Hong Kong International Airport (HKG)
- Kuala Lumpur International Airport (KUL)
If you hold a passport from Nepal, you will need an embassy visa to enter Thailand. This applies when booking a cheap ticket from Tribhuvan International Airport to Bangkok for tourism purposes. Requirements may be different if you're travelling for business or other reasons. Always check the visa rules ahead of booking and definitely before flying.
Central Kathmandu to KTM is around 5 kilometres. Depending on traffic conditions, it'll take about 16 minutes to get there if you're ride-sharing, catching a cab or driving.
Planning to catch an early flight from Tribhuvan International Airport to Bangkok? Avoid the hassle of rushing to the airport (and enjoy a little extra shut-eye) by choosing one of these hotels near KTM:

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

$141 is the cheapest price we've seen for a one-way ticket from Tribhuvan International Airport to Bangkok. For a return flight on this route, the best price is $266. Depending on when you want to go and the availability, these fares could change.
Get cheap tickets from KTM to Bangkok by booking 11 months ahead. According to our research, that's the sweet spot for picking up a bargain.
Schedule your trip for July. That's the cheapest month for tickets from Tribhuvan International Airport to Bangkok. If you're flexible with your dates, use the 'Whole month' tool to see the lowest price across each month.
Set up a Price Alert for flight tickets from KTM to Bangkok. You don't need to look every day to see if prices have fallen. We'll notify you when there's a change in price.
Tailor your travel plans with filters. Choose your preferred arrival and departure times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Tribhuvan International Airport to Bangkok.

Airports in Bangkok

Suvarnabhumi Airport (BKK)

Suvarnabhumi Airport (BKK) is around 32 kilometres from central Bangkok. With a car rental or if you're catching a cab, the drive is around 35 minutes.
It'll take around 1 hour and 6 minutes to get there using public transport.
Consider staying in a hotel near BKK if you're catching a late flight from Tribhuvan International Airport to Bangkok. Settle into one of these accommodation options and avoid the hassle of a long transfer:

Don Mueang International Airport (DMK)

After your flight from Tribhuvan International Airport to Bangkok has hit the tarmac, you can reach the city centre in around 30 minutes by car. Central Bangkok is roughly 27 kilometres from Don Mueang International Airport (DMK).
You can also opt for public transport, which will take around 1 hour and 5 minutes.
After your flight from KTM to Bangkok, tuck yourself in at a hotel near DMK. These are some great options that'll help you get into relaxation mode:

Best time to go to Bangkok

It's time to figure out your trip dates for your flight from Tribhuvan International Airport to Bangkok. July is the most popular month for a trip to Bangkok. If you want a quieter vibe, go in April.
Before locking in your flight from Tribhuvan International Airport to Bangkok, think about the type of weather you enjoy. April is the warmest month in Bangkok, with temperatures ranging from 26ºC to 37ºC.
Look for cheap flights from KTM to Bangkok in December if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 19ºC and 33ºC on average.

More about Bangkok

When it comes to looking for somewhere to rest your head, you'll find the most popular stays in Bangkok right here. Browse these hotels after you've booked your flight from Tribhuvan International Airport to Bangkok:
All great adventures should include some sightseeing. Grand Palace, Wat Arun and Wat Phra Kaew are attractions you won't want to skip in Bangkok.

Complete your Bangkok trip with a car rental

Pick one of our car rentals in Bangkok and see the sights in your own time. Easily compare rates in one place to find the perfect ride once you've booked your hotel and cheap flights from Tribhuvan International Airport to Bangkok.