Cheap flights from Bangkok to Kathmandu from ฿7,297

BKK — KTM
10 Dec — 17 Dec1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Bangkok to Kathmandu Tribhuvan are usually found in January or May, booked 79 days in advance, depart on a Thursday or Wednesday 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

Mon 21/1216:45 -
Nonstop3h 30m
Mon 28/1211:10 -
Nonstop3h 20m
Deal found 7/11฿13,255
Fri 11/1216:45 -
Nonstop3h 30m
Fri 18/1211:10 -
Nonstop3h 20m
Deal found 5/11฿13,757
Fri 18/1216:45 -
Nonstop3h 30m
Fri 25/1211:10 -
Nonstop3h 20m
Deal found 5/11฿14,091
Wed 16/1222:20 -
1 stop19h 05m
Wed 10/213:40 -
1 stop21h 40m
Deal found 5/11฿14,225
Sat 12/1210:15 -
Nonstop3h 25m
Fri 18/1200:25 -
Nonstop3h 30m
Deal found 9/11฿14,526
Mon 7/1216:45 -
Nonstop3h 30m
Mon 14/1211:10 -
Nonstop3h 20m
Deal found 9/11฿14,593
Tue 8/1221:15 -
Nonstop3h 25m
Tue 15/1213:30 -
Nonstop3h 30m
Deal found 8/11฿14,627
Thu 3/1218:45 -
2 stops13h 05m
Thu 10/1210:45 -
1 stop14h 35m
Deal found 5/11฿19,045
Fri 4/1218:45 -
2 stops22h 40m
Mon 14/1215:05 -
2 stops29h 55m
Deal found 6/11฿19,246
Tue 15/1222:05 -
2 stops36h 55m
Tue 9/314:05 -
1 stop11h 15m
Deal found 5/11฿19,380
Sat 5/1216:45 -
1 stop18h 15m
Sat 12/1210:45 -
1 stop14h 35m
Deal found 7/11฿19,949
Mon 23/1118:45 -
2 stops30h 55m
Mon 7/1215:05 -
2 stops29h 55m
Deal found 9/11฿20,150

Find flight deals from Bangkok to Kathmandu

Round-trip from

฿13,255

One-way from

฿7,297

Popular in

October

Cheapest in

January

Average price

฿13,020
Nepal Airlines
  • Nepal Airlines
  • 21/12-28/12
  • Nonstop
  • 6h 50m total
  • Bangkok to Kathmandu
China Southern
  • China Southern
  • 10/1-31/12
  • 1 total stop
  • 21h 40m total
  • Bangkok to Kathmandu
Highest demand for flights based on searches. 17% potential increase in price (฿84,643 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (฿12,590 potential savings vs. average return price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

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

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Fly to

Route

Depart

Return

Price

Cheapest return flight

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Wed 9/12

19:25-13:55

1 stop19h 45m

Kathmandu Tribhuvan

Wed 31/12

00:00-01:30

Nonstop0h 00m

฿7,464

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Thu 26/11

13:55-11:30

1 stop22h 50m

Kathmandu Tribhuvan

Wed 31/12

00:00-01:30

Nonstop0h 00m

฿7,531
Fastest return journey

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Wed 25/11

21:15-23:25

Nonstop3h 25m

Kathmandu Tribhuvan

Wed 31/12

00:00-01:30

Nonstop0h 00m

฿7,564

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Thu 18/3

15:05-23:30

1 stop9h 40m

Kathmandu Tribhuvan

Wed 31/12

00:00-01:30

Nonstop0h 00m

฿7,564

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Mon 23/11

16:45-19:00

Nonstop3h 30m

Kathmandu Tribhuvan

Wed 31/12

00:00-01:30

Nonstop0h 00m

฿7,732

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Sun 4/4

22:20-22:55

1 stop25h 50m

Kathmandu Tribhuvan

Wed 31/12

00:00-01:30

Nonstop0h 00m

฿7,866

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Fri 19/3

08:10-22:30

1 stop15h 35m

Kathmandu Tribhuvan

Wed 31/12

00:00-01:30

Nonstop0h 00m

฿7,866

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Wed 17/3

12:25-22:30

1 stop11h 20m

Kathmandu Tribhuvan

Wed 31/12

00:00-01:30

Nonstop0h 00m

฿7,866

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Sat 13/3

18:05-23:30

1 stop30h 40m

Kathmandu Tribhuvan

Wed 31/12

00:00-01:30

Nonstop0h 00m

฿7,866

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Sun 14/3

02:10-23:30

1 stop22h 35m

Kathmandu Tribhuvan

Wed 31/12

00:00-01:30

Nonstop0h 00m

฿7,866

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 42 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

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, January is the cheapest month in which you can book a flight from Bangkok to Kathmandu (average of ฿8,535). Flying from Bangkok to Kathmandu in October is currently the most expensive (average of ฿16,167). 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?

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

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?

Airfare is typical for this route at the moment.
Bangkok to Kathmandu flights typically cost between ฿9,874 and ฿18,543 in December.
The cheapest return price found within the last 5 days was ฿13,255 on Nepal Airlines (21 Dec–28 Dec).

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

Reviews of airlines servicing Kathmandu

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.

Entertainment

6.9

Boarding

8.0

Crew

8.5

Overall

7.9

Comfort

7.7

Food

7.5

Reviews

1 / 20
8.0
Excellent

Thayawat,Sep 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

Entertainment

6.9

Boarding

8.0

Crew

8.5

Overall

7.9

Comfort

7.7

Food

7.5

Reviews

1 / 20
8.0
Excellent

Thayawat,Sep 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

Entertainment

6.9

Boarding

8.0

Crew

8.5

Overall

7.9

Comfort

7.7

Food

7.5

Reviews

1 / 20
8.0
Excellent

Thayawat,Sep 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

Entertainment

6.9

Boarding

8.0

Crew

8.5

Overall

7.9

Comfort

7.7

Food

7.5

Reviews

1 / 20
8.0
Excellent

Thayawat,Sep 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

Related info for your journey

  • 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 12h 35m. Fly via IndiGo 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 ฿4,708. Additional round-trip tickets that might be worth considering are offered by Thai Lion Air and Nepal Airlines, with the lowest prices starting at ฿6,984 and ฿12,145, respectively. You may be able to fly from Bangkok to Kathmandu for 61% 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 ฿2,978. However, be on the lookout for offers from Thai AirAsia and Thai Airways, 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 ฿5,244. While the most popular route (Bangkok Suvarnabhumi - Kathmandu Tribhuvan) can be booked for ฿12,953 on average, our data indicates ฿12,455 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, January is the cheapest month in which you can book a flight from Bangkok to Kathmandu (average of ฿8,535). Flying from Bangkok to Kathmandu in October is currently the most expensive (average of ฿16,167). 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

Alternative routes for Bangkok to Kathmandu

Top 4 airlines flying from Bangkok to Kathmandu

AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest฿4,708Average฿8,506FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Thai Lion AirCheapest฿6,984Average฿8,891FlexibilityNo cancel feeOn-timeN/A
Search Thai Lion Air flights
Nepal AirlinesCheapest฿12,145Average฿14,552FlexibilityNo cancel feeOn-timeN/A
Search Nepal Airlines flights
Thai AirwaysCheapest฿14,584Average฿16,141FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

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