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Cheap flights from Bangkok to Kathmandu from ฿5,285

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 30/8. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — KTM
8 Jul — 15 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Bangkok to Kathmandu Tribhuvan are usually found in January or December, booked 90 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap 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 8 June 2026.

Sun 2/816:45
BKK
-
KTM
1 stop22h 25m
Multiple Airlines
Sun 9/813:15
KTM
-
BKK
1 stop22h 15m
Multiple Airlines
Deal found 7/6฿11,522
Sun 27/1211:00
DMK
-
KTM
Nonstop3h 30m
Thai Lion Air
Thu 21/114:15
KTM
-
DMK
Nonstop3h 15m
Thai Lion Air
Deal found 7/6฿11,818
Wed 30/912:00
DMK
-
KTM
Nonstop3h 20m
Thai Lion Air
Wed 18/1114:15
KTM
-
DMK
Nonstop3h 15m
Thai Lion Air
Deal found 8/6฿12,146
Wed 14/1012:00
DMK
-
KTM
Nonstop3h 20m
Thai Lion Air
Sun 1/1114:15
KTM
-
DMK
Nonstop3h 15m
Thai Lion Air
Deal found 4/6฿12,212
Sun 2/811:55
DMK
-
KTM
Nonstop3h 30m
Thai AirAsia
Sun 9/815:10
KTM
-
DMK
Nonstop3h 25m
Thai AirAsia
Deal found 7/6฿12,244
Wed 23/912:00
DMK
-
KTM
Nonstop3h 20m
Thai Lion Air
Wed 7/1015:05
KTM
-
DMK
Nonstop3h 20m
Thai Lion Air
Deal found 7/6฿12,310
Sun 4/1012:00
DMK
-
KTM
Nonstop3h 20m
Thai Lion Air
Sun 18/1015:05
KTM
-
DMK
Nonstop3h 20m
Thai Lion Air
Deal found 5/6฿12,376
Sun 4/1012:00
DMK
-
KTM
Nonstop3h 20m
Thai Lion Air
Fri 23/1015:05
KTM
-
DMK
Nonstop3h 20m
Thai Lion Air
Deal found 5/6฿12,408
Mon 19/1012:00
DMK
-
KTM
Nonstop3h 20m
Thai Lion Air
Mon 26/1014:15
KTM
-
DMK
Nonstop3h 15m
Thai Lion Air
Deal found 8/6฿12,441
Mon 5/1012:00
DMK
-
KTM
Nonstop3h 20m
Thai Lion Air
Sun 18/1015:05
KTM
-
DMK
Nonstop3h 20m
Thai Lion Air
Deal found 5/6฿12,474
Fri 10/715:10
BKK
-
KTM
1 stop8h 35m
Multiple Airlines
Sun 19/713:15
KTM
-
BKK
1 stop22h 15m
Multiple Airlines
Deal found 7/6฿12,704
Wed 10/616:45
BKK
-
KTM
Nonstop3h 30m
Multiple Airlines
Mon 14/913:15
KTM
-
BKK
1 stop22h 15m
Multiple Airlines
Deal found 5/6฿12,901

Find 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 8 June 2026.

Round-trip from

฿11,522

One-way from

฿5,285

Popular in

October

Cheapest in

January

Average price

฿9,553
ศรีลังกาแอร์ไลน์
  • ศรีลังกาแอร์ไลน์
  • 2/8-9/8
  • 2 total stops
  • 44h 40m total
  • Bangkok to Kathmandu
Search Deals
Air India Express
  • Air India Express
  • 30/8
  • 1 total stop
  • 22h 25m total
  • Bangkok to Kathmandu
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (฿23,578 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿3,471 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 8 June 2026.
Use the filters below to find and compare flights from Bangkok to Kathmandu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

BangkokKathmandu

DMK - KTM

DMKKTM

Bangkok Don Mueang Intl

Fri 4/9

12:00-14:05

Nonstop3h 20m

Kathmandu Tribhuvan

Sun 6/9

15:05-19:40

Nonstop3h 20m

฿12,343

BangkokKathmandu

DMK - KTM

DMKKTM

Bangkok Don Mueang Intl

Sun 8/11

11:00-13:15

Nonstop3h 30m

Kathmandu Tribhuvan

Thu 19/11

14:15-18:45

Nonstop3h 15m

฿13,919

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Wed 1/7

16:45-19:00

Nonstop3h 30m

Kathmandu Tribhuvan

Wed 8/7

13:40-12:45

1 stop21h 50m

฿13,951

BangkokKathmandu

DMK - KTM

DMKKTM

Bangkok Don Mueang Intl

Mon 19/10

11:55-14:10

Nonstop3h 30m

Kathmandu Tribhuvan

Wed 11/11

15:00-19:30

Nonstop3h 15m

฿14,050

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 24/8

20:15-09:50

1 stop14h 50m

Kathmandu Tribhuvan

Sat 12/9

06:30-20:25

1 stop12h 40m

฿15,166

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 8/11

22:20-20:05

1 stop23h 00m

Kathmandu Tribhuvan

Wed 18/11

00:25-05:10

Nonstop3h 30m

฿15,494

BangkokKathmandu

DMK - KTM

DMKKTM

Bangkok Don Mueang Intl

Thu 17/9

20:50-14:10

1 stop18h 35m

Kathmandu Tribhuvan

Thu 1/10

06:30-02:40

1 stop18h 55m

฿22,519

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Fri 21/8

20:50-15:35

1 stop20h 00m

Kathmandu Tribhuvan

Thu 27/8

16:35-01:15

2 stops31h 25m

฿23,438

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Wed 19/8

20:50-15:35

1 stop20h 00m

Kathmandu Tribhuvan

Tue 25/8

16:35-01:15

2 stops31h 25m

฿23,438

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Fri 4/9

05:05-15:35

3 stops35h 45m

Kathmandu Tribhuvan

Sun 6/9

16:35-01:15

2 stops31h 25m

฿23,504

Flights are sorted by cheapest return flights first.

Deals found on 4/6

Showing 1-10 of 41 resultsSorted by cheapest first
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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

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

Currently, December is the cheapest month in which you can book a flight from Bangkok to Kathmandu (average of ฿2,035). Flying from Bangkok to Kathmandu in June is currently the most expensive (average of ฿6,434). 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 8 June 2026.

When flying from Bangkok to Kathmandu, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 8 June 2026.

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 29% of weekly flights between Bangkok and Kathmandu have experienced delays in the past year, with the average delay time being 85 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?

Sunday 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 20% of flights being delayed.

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

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 84 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 8 June 2026.
Check out reviews from past customers who have flown with Thai Airways,Thai AirAsia, andThai Lion Air 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
7.9
Good
406 reviews
Check prices

Overall

7.9

Crew

8.4

Food

7.4

Boarding

7.9

Comfort

7.7

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
Thai Airways
7.9
Good
406 reviews
Thai Airways
7.9
Good
406 reviews
Check prices

Overall

7.9

Crew

8.4

Food

7.4

Boarding

7.9

Comfort

7.7

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
Thai AirAsia
7.4
Good
243 reviews
Thai Airways
7.9
Good
406 reviews
Check prices

Overall

7.9

Crew

8.4

Food

7.4

Boarding

7.9

Comfort

7.7

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
Thai Lion Air
7.1
Good
45 reviews
Thai Airways
7.9
Good
406 reviews
Check prices

Overall

7.9

Crew

8.4

Food

7.4

Boarding

7.9

Comfort

7.7

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

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 20m. Fly via Thai Lion Air, Thai AirAsia, or Batik Air to get the fastest option. Bangkok and Kathmandu are separated by a distance of 2198 km. Both multi-stop and direct flights can be found to your destination and back.

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

    Flying on Thai AirAsia is currently your cheapest option to Kathmandu, with prices starting at ฿5,634. Additional round-trip tickets that might be worth considering are offered by Thai Lion Air and Thai Airways, with the lowest prices starting at ฿6,057 and ฿8,536, respectively. You may be able to fly from Bangkok to Kathmandu for 39% 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 ฿2,971. However, be on the lookout for offers from Thai AirAsia and Nepal Airlines, 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 ฿18,110. While the most popular route (Bangkok Suvarnabhumi - Kathmandu Tribhuvan) can be booked for ฿12,146 on average, our data indicates ฿20,472 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, December is the cheapest month in which you can book a flight from Bangkok to Kathmandu (average of ฿2,035). Flying from Bangkok to Kathmandu in June is currently the most expensive (average of ฿6,434). 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 8 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest฿5,677Average฿8,440FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Thai Lion AirCheapest฿6,057Average฿8,268FlexibilityNo cancel feeOn-timeN/A
Search Thai Lion Air flights
Thai AirwaysCheapest฿8,536Average฿16,021FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Nepal AirlinesCheapest฿11,912Average฿13,574FlexibilityNo cancel feeOn-timeN/A
Search Nepal Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Bangkok to Kathmandu. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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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