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Thailand (ภาษาไทย)
ภาษาไทย

Cheap flights from Bangkok to Kathmandu from ฿3,072

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — KTM
1 Jan — 8 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Bangkok to Kathmandu Tribhuvan are usually found in January or June, booked 74 days in advance, depart on a Wednesday or Monday and return on a Monday

Cheap flight deals from Bangkok to Kathmandu

Discover tips and strategies to find the most affordable flight options for your journey from Bangkok (TH1) to Kathmandu (KTM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 2 December 2025.

Round-trip from

฿6,752

One-way from

฿3,072

Popular in

April

Cheapest in

January

Average price

฿9,217
Thai AirAsia
  • Thai AirAsia
  • 5/1-11/1
  • Nonstop
  • 6h 45m total
  • Bangkok to Kathmandu
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Thai Lion Air
  • Thai Lion Air
  • 18/3
  • Nonstop
  • 3h 30m total
  • Bangkok to Kathmandu
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (฿9,598 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (฿3,395 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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Find flight deals from Bangkok to Kathmandu

Enter your travel dates to find the best prices.

Cheapest flights from Bangkok to Kathmandu
Explore the most affordable flight options available from Bangkok to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 December 2025.

Fri 19/1211:45DMK - KTM
Nonstop3h 40mThai AirAsia
Sun 4/115:10KTM - DMK
Nonstop3h 15mThai AirAsia
Deal found 1/12฿7,489
Wed 17/1211:45DMK - KTM
Nonstop3h 40mThai AirAsia
Sun 21/1215:10KTM - DMK
Nonstop3h 15mThai AirAsia
Deal found 30/11฿7,617
Mon 1/1211:50DMK - KTM
Nonstop3h 30mThai Lion Air
Sun 7/1215:00KTM - DMK
Nonstop3h 20mThai Lion Air
Deal found 30/11฿8,033
Sun 28/1211:45DMK - KTM
Nonstop3h 40mThai AirAsia
Sun 4/115:10KTM - DMK
Nonstop3h 15mThai AirAsia
Deal found 30/11฿8,353
Sun 21/1211:45DMK - KTM
Nonstop3h 40mThai AirAsia
Wed 31/1215:10KTM - DMK
Nonstop3h 15mThai AirAsia
Deal found 30/11฿8,609
Wed 17/1211:45DMK - KTM
Nonstop3h 40mMultiple Airlines
Sun 21/1208:05KTM - DMK
1 stop8h 35mMultiple Airlines
Deal found 30/11฿8,801
Fri 19/1211:45DMK - KTM
Nonstop3h 40mMultiple Airlines
Sun 4/110:30KTM - DMK
1 stop6h 10mMultiple Airlines
Deal found 1/12฿8,833
Sun 28/1211:45DMK - KTM
Nonstop3h 40mMultiple Airlines
Tue 6/117:00KTM - DMK
1 stop23h 40mMultiple Airlines
Deal found 1/12฿9,025
Mon 1/1211:50DMK - KTM
Nonstop3h 30mMultiple Airlines
Wed 10/1215:10KTM - DMK
Nonstop3h 15mMultiple Airlines
Deal found 30/11฿9,057
Mon 8/1211:50DMK - KTM
Nonstop3h 30mMultiple Airlines
Wed 10/1215:10KTM - DMK
Nonstop3h 15mMultiple Airlines
Deal found 30/11฿9,089
Mon 1/1211:50DMK - KTM
Nonstop3h 30mMultiple Airlines
Fri 5/1215:10KTM - DMK
Nonstop3h 15mMultiple Airlines
Deal found 30/11฿9,153
Tue 9/1210:50BKK - KTM
1 stop26h 40mMultiple Airlines
Fri 19/1211:10KTM - BKK
Nonstop3h 20mMultiple Airlines
Deal found 1/12฿10,529

Cheapflights Fare Finder

 
Customise your flight search to find flights from Bangkok to Kathmandu that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 2 December 2025.
Use the filters below to find and compare flights from Bangkok to Kathmandu that are best for you.

Fly from

Bangkok

Fly to

Kathmandu

Route

Depart

Return

Price

BangkokKathmandu

DMK - KTM

DMKKTM

Bangkok Don Mueang Intl

Wed 4/2

11:45-14:10

Nonstop3h 40m

Kathmandu Tribhuvan

Wed 11/2

15:00-19:35

Nonstop3h 20m

฿7,553

BangkokKathmandu

DMK - KTM

DMKKTM

Bangkok Don Mueang Intl

Wed 17/12

11:45-14:10

Nonstop3h 40m

Kathmandu Tribhuvan

Sun 21/12

15:10-19:40

Nonstop3h 15m

฿7,617

BangkokKathmandu

DMK - KTM

DMKKTM

Bangkok Don Mueang Intl

Mon 9/2

11:45-14:10

Nonstop3h 40m

Kathmandu Tribhuvan

Sun 15/2

15:10-19:40

Nonstop3h 15m

฿8,257

BangkokKathmandu

DMK - KTM

DMKKTM

Bangkok Don Mueang Intl

Sun 28/12

11:45-14:10

Nonstop3h 40m

Kathmandu Tribhuvan

Sun 4/1

15:10-19:40

Nonstop3h 15m

฿8,481

BangkokKathmandu

DMK - KTM

DMKKTM

Bangkok Don Mueang Intl

Wed 6/5

11:00-13:15

Nonstop3h 30m

Kathmandu Tribhuvan

Sat 9/5

14:15-18:50

Nonstop3h 20m

฿8,513

BangkokKathmandu

DMK - KTM

DMKKTM

Bangkok Don Mueang Intl

Sun 18/1

11:45-14:10

Nonstop3h 40m

Kathmandu Tribhuvan

Mon 26/1

15:10-19:40

Nonstop3h 15m

฿8,545

BangkokKathmandu

DMK - KTM

DMKKTM

Bangkok Don Mueang Intl

Mon 5/1

11:50-14:05

Nonstop3h 30m

Kathmandu Tribhuvan

Sun 11/1

10:30-17:55

1 stop6h 10m

฿8,705

BangkokKathmandu

DMK - KTM

DMKKTM

Bangkok Don Mueang Intl

Wed 17/12

11:45-14:10

Nonstop3h 40m

Kathmandu Tribhuvan

Sun 21/12

08:05-17:55

1 stop8h 35m

฿8,801

BangkokKathmandu

DMK - KTM

DMKKTM

Bangkok Don Mueang Intl

Fri 19/12

11:45-14:10

Nonstop3h 40m

Kathmandu Tribhuvan

Sun 4/1

10:30-17:55

1 stop6h 10m

฿8,833

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 18/1

15:30-09:50

1 stop19h 35m

Kathmandu Tribhuvan

Mon 19/1

12:50-12:35

1 stop22h 30m

฿11,425

Flights are sorted by cheapest return flights first.

Deals found on 1/12

Showing 1-10 of 38 results
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Best time to book a flight from Bangkok to Kathmandu

Have a flexible travel schedule? Discover the best time to fly to Kathmandu from Bangkok with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Bangkok to Kathmandu

How far ahead should I book a flight from Bangkok to Kathmandu?

Use this chart to determine the optimal time to book a return flight from Bangkok to Kathmandu. Price data was last updated on 28 November 2025.

The price you pay for your flight from Bangkok to Kathmandu may vary depending on when you book. For the best chance of a lower fare, look to book 74 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Bangkok to Kathmandu?

Currently, July is the cheapest month in which you can book a flight from Bangkok to Kathmandu (average of ฿3,328). Flying from Bangkok to Kathmandu in November is currently the most expensive (average of ฿7,072). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BKK to KTM?

Find hourly flight availability from Bangkok to Kathmandu. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 December 2025.

When flying from Bangkok to Kathmandu, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 30% versus a flight in the evening.

Weekly flight availability from Bangkok to Kathmandu

Explore weekly flight availability from Bangkok to Kathmandu. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 2 December 2025.

The most flights from TH1 to KTM are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost for a return flight from Bangkok to Kathmandu?

How often are flights from Bangkok to Kathmandu delayed?

About 36% of weekly flights between Bangkok and Kathmandu have experienced delays in the past year, with the average delay time being 94 minutes.

What is the most punctual flight time for Bangkok to Kathmandu flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Bangkok to Kathmandu flights?

Over the past year, Thai Airways have had the lowest number of delays on this route, with just 28% of flights being delayed.

Reviews of airlines servicing Kathmandu

Get insights into the airlines that provide service to Kathmandu. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kathmandu. Reviews last updated 2 December 2025.
Check out reviews from past customers who have flown with Thai Airways and Thai AirAsia from Bangkok to Kathmandu to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai Airways
7.8
Good
362 reviews
Check prices

Comfort

7.6

Entertainment

6.9

Overall

7.8

Crew

8.3

Boarding

7.8

Food

7.3

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
Thai Airways
7.8
Good
362 reviews
Thai Airways
7.8
Good
362 reviews
Check prices

Comfort

7.6

Entertainment

6.9

Overall

7.8

Crew

8.3

Boarding

7.8

Food

7.3

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
Thai AirAsia
7.4
Good
222 reviews
Thai Airways
7.8
Good
362 reviews
Check prices

Comfort

7.6

Entertainment

6.9

Overall

7.8

Crew

8.3

Boarding

7.8

Food

7.3

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Related info for your journey

Find useful and relevant information for your journey from Bangkok to Kathmandu. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Kathmandu from Bangkok?

    If you book a flight to Kathmandu from Bangkok, you will be flying to Tribhuvan, which is the city’s only airport. Kathmandu Tribhuvan (KTM) is located 4.1 km from the centre of Kathmandu. There are 2 flights from Bangkok to Tribhuvan per day from 4 different airlines.

  • How long is the flight from Bangkok to Kathmandu?

    There are many flights that can get you from Bangkok to Kathmandu in 3h 40m. Fly via Thai AirAsia to get the fastest option. Bangkok and Kathmandu are separated by a distance of 2198 km. Generally, flights for this route are direct.

  • What are the cheapest airlines flying from Bangkok to Kathmandu round-trip?

    Flying on Thai Lion Air is currently your cheapest option to Kathmandu, with prices starting at ฿5,867. Additional round-trip tickets that might be worth considering are offered by Thai AirAsia and Nepal Airlines, with the lowest prices starting at ฿6,420 and ฿8,771, respectively. You may be able to fly from Bangkok to Kathmandu for 35% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Bangkok to Kathmandu one-way?

    The cheapest airline one-way is Thai Lion Air, with whom users have recently found tickets for as low as ฿3,072. However, be on the lookout for offers from Thai AirAsia and China Southern, as they are both options that can get you from Bangkok to Kathmandu for a low price.

  • What are the cheapest flights from Bangkok to Kathmandu?

    Looking at all options, your cheapest flight can be booked for ฿13,143. While the most popular route (Bangkok Suvarnabhumi - Kathmandu Tribhuvan) can be booked for ฿6,208 on average, our data indicates ฿15,510 when flying from Bangkok to Kathmandu.

  • Can I find deals for flights from Bangkok to Kathmandu that include hotel bookings?

    Yes. In addition to deals on Bangkok to Kathmandu flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Bangkok to Kathmandu?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bangkok to Kathmandu.

  • Can I find deals for business class flights from Bangkok to Kathmandu?

    Yes. Cheapflights offers flight deals from Bangkok to Kathmandu by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Bangkok to Kathmandu?

    Currently, July is the cheapest month in which you can book a flight from Bangkok to Kathmandu (average of ฿3,328). Flying from Bangkok to Kathmandu in November is currently the most expensive (average of ฿7,072). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Bangkok to Kathmandu

See prices for flight routes from nearby airports that may be better suited for you.
Phuket City to Kathmandu flights
Ko Samui to Kathmandu flights

Top 4 airlines flying from Bangkok to Kathmandu

Discover the top 4 airlines that operate flights from Bangkok to Kathmandu. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 2 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai Lion AirCheapest฿5,867Average฿8,677FlexibilityNo cancel feeOn-timeN/A
Search Thai Lion Air flights
Thai AirAsiaCheapest฿6,420Average฿9,064FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Nepal AirlinesCheapest฿8,771Average฿12,898FlexibilityNo cancel feeOn-timeN/A
Search Nepal Airlines flights
Thai AirwaysCheapest฿14,369Average฿16,294FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Bangkok to Kathmandu?

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Why should you use Cheapflights to find cheap flight tickets from Bangkok to Kathmandu?

Cheapflights helps you find that perfect flight to Kathmandu from Bangkok by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Bangkok to Kathmandu with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Bangkok to Kathmandu flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Bangkok to Kathmandu become cheaper?

Yes, Cheapflights offers price alerts on Bangkok to Kathmandu flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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