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$173+ Cheap flights from Kathmandu (KTM) to Bangkok

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 6/21. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — BKK
Jun 14 — Jun 211
Sun 6/14
Sun 6/21
1 adult, Economy
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Find cheap flights from Kathmandu to Bangkok with Cheapflights

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Cheapflights Tip: The best prices from Kathmandu Tribhuvan to Bangkok are usually found in January or July, booked 66 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from Kathmandu to Bangkok

Cheapest flights from Kathmandu to Bangkok
Explore the most affordable flight options available from Kathmandu to Bangkok. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 15, 2026.

This Booking.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/141:15 pm
KTM
-
BKK
1 stop22h 15m
SriLankan Airlines
Wed 6/173:20 pm
BKK
-
KTM
1 stop22h 10m
SriLankan Airlines
Deal found 5/14$294
This Booking.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/141:15 pm
KTM
-
BKK
1 stop22h 15m
SriLankan Airlines
Wed 6/243:20 pm
BKK
-
KTM
1 stop22h 10m
SriLankan Airlines
Deal found 5/13$306
This Booking.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/141:15 pm
KTM
-
BKK
1 stop22h 15m
SriLankan Airlines
Sat 6/201:55 pm
BKK
-
KTM
1 stop23h 35m
SriLankan Airlines
Deal found 5/10$315
This Booking.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/171:40 pm
KTM
-
BKK
1 stop21h 50m
SriLankan Airlines
Sat 6/271:55 pm
BKK
-
KTM
1 stop23h 35m
SriLankan Airlines
Deal found 5/11$317
This Booking.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/211:15 pm
KTM
-
BKK
1 stop22h 15m
SriLankan Airlines
Sat 6/271:55 pm
BKK
-
KTM
1 stop23h 35m
SriLankan Airlines
Deal found 5/10$326
This Gotogate deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/301:40 pm
KTM
-
BKK
1 stop21h 40m
SriLankan Airlines
Sat 1/91:55 pm
BKK
-
KTM
1 stop23h 10m
SriLankan Airlines
Deal found 5/11$338
This Trip.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/281:15 pm
KTM
-
BKK
1 stop22h 15m
SriLankan Airlines
Sat 7/47:45 am
BKK
-
KTM
1 stop29h 45m
SriLankan Airlines
Deal found 5/10$342
This Booking.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/171:40 pm
KTM
-
BKK
1 stop21h 50m
SriLankan Airlines
Wed 7/293:20 pm
BKK
-
KTM
1 stop22h 10m
SriLankan Airlines
Deal found 5/10$355
This Kiwi.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/183:10 pm
KTM
-
DMK
Nonstop3h 25m
Multiple Airlines
Sun 10/2511:00 am
DMK
-
KTM
Nonstop3h 30m
Multiple Airlines
Deal found 5/11$355
This Kiwi.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/183:05 pm
KTM
-
DMK
Nonstop3h 20m
Thai Lion Air
Mon 10/2611:00 am
DMK
-
KTM
Nonstop3h 30m
Thai Lion Air
Deal found 5/11$363
This Kiwi.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:05 pm
KTM
-
DMK
Nonstop3h 20m
Thai Lion Air
Sun 10/2511:00 am
DMK
-
KTM
Nonstop3h 30m
Thai Lion Air
Deal found 5/11$364
This Kiwi.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/33:10 pm
KTM
-
DMK
Nonstop3h 25m
Thai AirAsia
Mon 8/1011:55 am
DMK
-
KTM
Nonstop3h 30m
Thai AirAsia
Deal found 5/13$365

Find flight deals from Kathmandu to Bangkok

Discover tips and strategies to find the most affordable flight options for your journey from Kathmandu (KTM) to Bangkok (TH1). 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 May 15, 2026.

Round-trip from

$294
(Booking.com)

One-way from

$173
(Mytrip)

Popular in

May

Cheapest in

January

Average price

$407
From Kathmandu Tribhuvan to Bangkok
Search Deals
One-way flight from Kathmandu Tribhuvan to Bangkok
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Kathmandu to Bangkok 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 2,558,603 searches. Data last updated May 15, 2026.
Use the filters below to find and compare flights from Kathmandu to Bangkok that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Fri 6/12

1:30 pm-6:15 pm

Nonstop3h 30m

Bangkok Suvarnabhumi

Mon 6/22

11:55 am-7:50 pm

1 stop9h 10m

$504

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Tue 7/7

10:45 pm-1:25 pm

1 stop13h 25m

Bangkok Suvarnabhumi

Mon 7/13

7:45 pm-12:00 pm

1 stop17h 30m

$510

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

Fri 6/12

2:05 pm-2:40 am

1 stop11h 20m

Bangkok Don Mueang Intl

Mon 6/22

4:45 pm-6:35 am

1 stop15h 05m

$535

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Tue 7/14

10:45 pm-8:55 am

2 stops32h 55m

Bangkok Suvarnabhumi

Mon 7/27

7:45 pm-12:00 pm

1 stop17h 30m

$546

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sat 7/11

1:00 pm-8:55 am

2 stops18h 40m

Bangkok Suvarnabhumi

Thu 7/30

9:05 am-9:45 pm

1 stop13h 55m

$597

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

Wed 6/10

10:05 am-6:10 am

2 stops18h 50m

Bangkok Don Mueang Intl

Sun 6/14

9:05 pm-6:35 am

2 stops34h 45m

$613

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Wed 7/15

1:00 pm-8:55 am

2 stops42h 40m

Bangkok Suvarnabhumi

Mon 7/27

7:45 pm-12:00 pm

1 stop17h 30m

$613

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sat 5/30

4:35 pm-7:50 pm

1 stop26h 00m

Bangkok Suvarnabhumi

Fri 6/5

1:35 pm-3:35 pm

2 stops27h 15m

$630

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Fri 6/12

7:35 am-1:40 pm

2 stops28h 50m

Bangkok Suvarnabhumi

Mon 6/22

4:45 pm-6:35 am

2 stops15h 05m

$633

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Tue 7/7

4:35 pm-10:15 pm

1 stop28h 25m

Bangkok Suvarnabhumi

Mon 7/13

2:10 am-3:35 pm

2 stops14h 40m

$658

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/14

Showing 1-10 of 45 resultsSorted by cheapest first
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Best time to book a flight from Kathmandu to Bangkok

Have a flexible travel schedule? Discover the best time to fly to Bangkok from Kathmandu with our price prediction graph.
Estimated round-trip 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 Kathmandu to Bangkok

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

The best time to book flights from Kathmandu to Bangkok is 80 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from Kathmandu to Bangkok (average of $52). Flying from Kathmandu to Bangkok in March is currently the most expensive (average of $125). 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 KTM to BKK?

Find hourly flight availability from Kathmandu to Bangkok. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 15, 2026.

When flying from Kathmandu to Bangkok, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 55% versus a flight in the evening.

How much does it cost to fly round-trip from Kathmandu to Bangkok?

How often are flights from Kathmandu to Bangkok delayed?

About 38% of weekly flights between Kathmandu and Bangkok have experienced delays in the past year, with the average delay time being 120 minutes.

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

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the morning 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 Wednesday has historically faced a higher average of delays compared to other days of the week.

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

Over the last year, Thai Airways have had the lowest number of delays on this route, with just 27% of flights being delayed.

The best insider tips for Kathmandu to Bangkok flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Kathmandu to Bangkok trip
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on Thai AirAsia

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Yulia Denisyuk

Yulia Denisyuk

Expert on Thai Airways

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Read more
Daniel Scheffler

Daniel Scheffler

Expert on DMK

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Robert Schrader

Robert Schrader

Expert on BKK

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Sharad Ranabhat

Sharad Ranabhat

Expert on KTM

Sharad, a Nepal-based aviation journalist, is passionate about uncovering the latest in airline news and airport reviews. When he's not diving into the world of aviation, you’ll find him exploring new destinations and sharing stories that connect and inspire.

Read more

Reviews of airlines servicing Bangkok

Get insights into the airlines that provide service to Bangkok. 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 Bangkok. Reviews last updated May 15, 2026.
See what other customers who have flown with Thai Airways,Thai AirAsia, andThai Lion Air from Kathmandu to Bangkok have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai Airways
7.9
Good
401 reviews

Crew

8.4

Food

7.4

Boarding

7.9

Comfort

7.7

Overall

7.9

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
401 reviews
Thai Airways
7.9
Good
401 reviews

Crew

8.4

Food

7.4

Boarding

7.9

Comfort

7.7

Overall

7.9

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
242 reviews
Thai Airways
7.9
Good
401 reviews

Crew

8.4

Food

7.4

Boarding

7.9

Comfort

7.7

Overall

7.9

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
401 reviews

Crew

8.4

Food

7.4

Boarding

7.9

Comfort

7.7

Overall

7.9

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
Air India
5.5
Fair
2,957 reviews
Thai Airways
7.9
Good
401 reviews

Crew

8.4

Food

7.4

Boarding

7.9

Comfort

7.7

Overall

7.9

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 Kathmandu to Bangkok. 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 from for flights from Kathmandu to Bangkok?

    Located just 2.5 mi from the city center, Kathmandu Tribhuvan is the airport most travelers will use when flying to Bangkok from Kathmandu. Booking flights from Tribhuvan (KTM) to Bangkok should be relatively easy as there is 1 daily outbound flight to Bangkok from 5 different airlines.

  • How long is the flight from Kathmandu to Bangkok?

    Airlines like Malaysia Airlines and Batik Air fly from Kathmandu to Bangkok in about 13h 25m. The time it takes to get you to your destination can typically vary by up to 3h 45m. The distance from Kathmandu to Bangkok is about 1384 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $100, Thai Lion Air will fly you from Kathmandu to Bangkok and back. In addition to Thai Lion Air, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Thai AirAsia and Nepal Airlines - these airlines can fly you to your destination from $148 and $187, respectively. Thai Lion Air is 64% cheaper than the average price of flights available within the next 90 days to this destination.

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

    $91 is the cheapest one-way deal found within the past few days, from Thai AirAsia. You may also be able to find cheap deals on Thai Lion Air and Nepal Airlines, with prices starting from $115 and $158, respectively.

  • What are the cheapest flights from Kathmandu to Bangkok?

    Looking at all options, your cheapest flight can be booked for $272. While the most popular route (Kathmandu Tribhuvan - Bangkok Suvarnabhumi) can be booked for $372 on average, our data indicates $609 when flying from Kathmandu to Bangkok.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kathmandu to Bangkok 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 Kathmandu to Bangkok?

    Currently, February is the cheapest month in which you can book a flight from Kathmandu to Bangkok (average of $52). Flying from Kathmandu to Bangkok in March is currently the most expensive (average of $125). 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 Kathmandu to Bangkok

See prices for flight routes from nearby airports that may be better suited for you.
Kathmandu to Suvarnabhumi flights

Top 5 airlines flying from Kathmandu to Bangkok

Discover the top 5 airlines that operate flights from Kathmandu to Bangkok. 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 2,558,603 searches. Data last updated May 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai Lion AirCheapest$100Average$229FlexibilityNo cancel feeOn-timeN/A
Thai AirAsiaCheapest$148Average$246FlexibilityNo cancel feeOn-time87%
Nepal AirlinesCheapest$187Average$318FlexibilityNo cancel feeOn-timeN/A
Air IndiaCheapest$204Average$387FlexibilityNo cancel feeOn-timeN/A
Thai AirwaysCheapest$307Average$359FlexibilityNo cancel feeOn-time77%

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