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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

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Flight deals from Kathmandu to Bangkok

Looking for a cheap last-minute deal or the best return flight from Kathmandu Airport to Bangkok? If you want to travel next month, return fares start from Rs81,533. Find the lowest prices on one-way and return tickets right here.
Bangkok.Rs36,565 per passenger.Departing Thu, 19 Nov.One-way flight with Thai LionAir.Outbound direct flight with Thai LionAir departs from Kathmandu on Thu, 19 Nov, arriving in Don Mueang.Price includes taxes and charges.From Rs36,565, select.
Bangkok.Rs37,079 per passenger.Departing Wed, 2 Sep.One-way flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Kathmandu on Wed, 2 Sep, arriving in Don Mueang.Price includes taxes and charges.From Rs37,079, select.
Bangkok.Rs37,150 per passenger.Departing Mon, 12 Oct.One-way flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Kathmandu on Mon, 12 Oct, arriving in Don Mueang.Price includes taxes and charges.From Rs37,150, select.
Bangkok.Rs37,399 per passenger.Departing Wed, 17 Jun.One-way flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Kathmandu on Wed, 17 Jun, arriving in Don Mueang.Price includes taxes and charges.From Rs37,399, select.
Bangkok.Rs37,473 per passenger.Departing Wed, 29 Jul.One-way flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Kathmandu on Wed, 29 Jul, arriving in Don Mueang.Price includes taxes and charges.From Rs37,473, select.
Bangkok.Rs37,496 per passenger.Departing Wed, 12 Aug.One-way flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Kathmandu on Wed, 12 Aug, arriving in Don Mueang.Price includes taxes and charges.From Rs37,496, select.
Bangkok.Rs38,801 per passenger.Departing Mon, 14 Dec.One-way flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Kathmandu on Mon, 14 Dec, arriving in Don Mueang.Price includes taxes and charges.From Rs38,801, select.
Bangkok.Rs38,904 per passenger.Departing Mon, 1 Feb.One-way flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Kathmandu on Mon, 1 Feb, arriving in Don Mueang.Price includes taxes and charges.From Rs38,904, select.
Bangkok.Rs39,082 per passenger.Departing Wed, 6 Jan.One-way flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Kathmandu on Wed, 6 Jan, arriving in Don Mueang.Price includes taxes and charges.From Rs39,082, select.
Bangkok.Rs39,673 per passenger.Departing Wed, 17 Mar.One-way flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Kathmandu on Wed, 17 Mar, arriving in Don Mueang.Price includes taxes and charges.From Rs39,673, select.
Bangkok.Rs45,442 per passenger.Departing Wed, 13 May.One-way flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Kathmandu on Wed, 13 May, arriving in Don Mueang.Price includes taxes and charges.From Rs45,442, select.
Bangkok.Rs60,167 per passenger.Departing Thu, 1 Apr.One-way flight with Air India.Outbound indirect flight with Air India, departs from Kathmandu on Thu, 1 Apr, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From Rs60,167, select.
Bangkok.Rs61,411 per passenger.Departing Thu, 30 Apr.One-way flight with Air India.Outbound indirect flight with Air India, departs from Kathmandu on Thu, 30 Apr, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From Rs61,411, select.
Bangkok.Rs88,417 per passenger.Departing Fri, 24 Apr.One-way flight with Thai LionAir.Outbound direct flight with Thai LionAir departs from Kathmandu on Fri, 24 Apr, arriving in Don Mueang.Price includes taxes and charges.From Rs88,417, select.
Bangkok.Rs101,584 per passenger.Departing Thu, 1 Apr.One-way flight with Thai Airways.Outbound direct flight with Thai Airways departs from Kathmandu on Thu, 1 Apr, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From Rs101,584, 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
from Rs61,411
May
from Rs45,442
Jun
from Rs37,399
Jul
from Rs37,473
Aug
from Rs37,496
Sep
from Rs37,079
Oct
from Rs37,150
Nov
from Rs36,565
Dec
from Rs38,801
Jan
from Rs39,082
Feb
from Rs38,904
Mar
from Rs39,673

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.

Don Mueang

21km from central Bangkok
ClosestCheapest
from Rs36,565
Search flights

Bangkok Suvarnabhumi

29km from central Bangkok
from Rs48,292
Search flights

Kathmandu to Bangkok: Flight information

The things to know before you go.
Cheapest flight foundRs36,565
Cheapest month to flyNovember
Average flight time3 hrs, 24 mins
Most popular airlineThai Airways
Average flights per week44

Finding cheap flights from Kathmandu to Bangkok: Frequently asked questions

There are 2 airports in Bangkok: Don Mueang and Bangkok Suvarnabhumi.
The best price we found for a return flight from Kathmandu to Bangkok is Rs71,489. 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 Kathmandu to Bangkok.
Thai Airways, Thai LionAir and Thai AirAsia fly direct from Kathmandu to Bangkok.
As of April 2026, there are 22 flights per week flying from Kathmandu to Bangkok.
The cheapest month to fly from Kathmandu to Bangkok is usually November.
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 Rs71,489.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kathmandu Airport to Bangkok on Thursday, 5 November 2026.
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 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.
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.
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.
Currently, Thai LionAir offers the cheapest flight tickets to Bangkok.

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

  • Hop on a direct flight from Kathmandu Tribhuvan International Airport to Bangkok and you'll be in the air for an average of 3 hours 25 minutes.

  • Kathmandu Tribhuvan International Airport is located in Kathmandu. Following the UTC+7 timezone, Bangkok is one hour 12 minutes ahead of Kathmandu.

  • Kathmandu Tribhuvan International Airport (KTM) to Bangkok Suvarnabhumi International Airport (BKK) is the most traveled route, with 16 flights a week to pick from. If you prefer starting your day later, the last flight from KTM to BKK is with Thai Airways International at 22:30. Go for the first departure operated by Thai Airways International at 00:25 if you want to fly out earlier.

  • Give yourself plenty of time to catch your KTM to Bangkok flight. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months such as February, it's wise to get to the airport earlier than usual. Arrive two hours before a domestic departure and four hours ahead of international flights whenever you're travelling during a peak period in general.

  • Start your trip at KTM and travel nonstop to Bangkok Suvarnabhumi International Airport (BKK). That will be your arrival point when searching for Kathmandu Tribhuvan International Airport to Bangkok tickets.

  • You'll find a variety of airlines that offer direct flights from Kathmandu Tribhuvan International Airport to Bangkok, such as:

  • Think about adding a stopover to potentially save on your plane ticket from KTM to Bangkok. Just uncheck 'Direct flights only' during your search. Give yourself a breather (and maybe even a better deal) by stopping at one of these popular airports:

    • Guangzhou Baiyun International Airport (CAN)

    • Delhi Indira Gandhi International (DEL)

    • Kuala Lumpur International Airport (KUL)

  • Located around 3 kilometres from central Kathmandu, KTM can be reached in about 30 minutes by car. Travelling on public transport takes roughly 40 minutes.

  • Have an early flight from Kathmandu Tribhuvan International Airport to Bangkok? Avoid the stress of rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these hotels near KTM:

  • Of all flights departing from Kathmandu Tribhuvan International Airport, 51% arrive as scheduled at their destination.

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

  • Rs36,565 is currently the best price for a one-way Kathmandu Tribhuvan International Airport to Bangkok flight. A return plane ticket starts from Rs71,489. These prices can change based on availability.

  • Get cheap flights from KTM to Bangkok by booking two months ahead. According to our research, that's the best time for picking up a bargain.

  • The best month for landing cheap Kathmandu Tribhuvan International Airport to Bangkok tickets is July. Use the 'Whole month' tool to compare prices, then choose the dates with the lowest fares.

  • Spend less time searching for cheap flights from KTM to Bangkok by creating a Price Alert. We'll send you an email or notification through the app when fares go down.

  • Save on your flight from Kathmandu Tribhuvan International Airport to Bangkok with the help of our filters. Choose your ideal duration, number of stops and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in Bangkok

Bangkok Suvarnabhumi International Airport (BKK)

  • The distance from Bangkok Suvarnabhumi International Airport (BKK) to central Bangkok is roughly 31 kilometres. It'll take you about 35 minutes to get to the centre driving.

  • When travelling on public transport, expect a journey time of about 35 minutes.

  • If you're arriving on a late flight from Kathmandu Tribhuvan International Airport to Bangkok, nothing beats the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and resting soon after at one of these hotels near BKK:

  • To lock in the lowest price, book your ride from Bangkok Suvarnabhumi International Airport about four weeks in advance of your flight from KTM to Bangkok.

Bangkok Don Mueang International Airport (DMK)

  • Once your flight from Kathmandu Tribhuvan International Airport to Bangkok has landed, you can reach the city centre in about 35 minutes by car. Central Bangkok is roughly 24 kilometres from Bangkok Don Mueang International Airport (DMK).

  • If you're travelling on public transport, it'll take about 1 hour 5 minutes.

  • Place the 'Do not disturb' sign on your door and unwind at a hotel near DMK. Here are a few options where you can take a load off after your KTM to Bangkok flight:

  • Get what you want, not just what's left over. Securing your ride from DMK three weeks ahead of time often means better prices and a greater range of vehicles.

Best time to go to Bangkok

  • May is the quietest month for flights from Kathmandu Tribhuvan International Airport to Bangkok, while February is the most popular. Choose the ideal time to visit Bangkok based on whether you want a laid-back vibe or a lively atmosphere.

  • Before booking a Kathmandu Tribhuvan International Airport to Bangkok plane ticket, think about what kind of weather works for you. April is the warmest month in Bangkok, with temperatures ranging from 26ºC to 37ºC.

  • January has average temperatures of between 19ºC and 34ºC. Look for a cheap ticket from KTM to Bangkok around that time if you want to travel in cooler conditions.

More about Bangkok

  • Start your Bangkok trip off on the right foot by choosing the ideal place to stay. Once you've booked your flight from Kathmandu Tribhuvan International Airport to Bangkok, browse our selection of accommodation options including:

  • There are so many things to explore in this city it can be difficult to know where to start. Wat Phra Kaew, Grand Palace and Songkran Festival Silom are leading attractions which should be on any well-planned Bangkok itinerary.

Explore more of Thailand

  • Udon Thani is just one of the many cities in Thailand waiting to be explored once you've seen the sights of Bangkok. Around 467 kilometres away to the northeast, its best attractions include Thai-Chinese Cultural Centre, Wat Pho Chai and Wat Burapa Wanaram.

  • Around 225 kilometres northeast of Bangkok, Nakhon Ratchasima is another favourite stop in Thailand. Experience this destination's highlights firsthand at Night Safari Korat, Wat Chai Mongkol and Wat Na Pha That.

More travel options

Plan the rest of your trip from Kathmandu to Bangkok

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