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$124+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — BKK
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Kathmandu Tribhuvan to Bangkok are usually found in June or July, booked 75 days in advance, depart on a Wednesday or Monday and return on a Friday

Cheap 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 July 29, 2025.

Round-trip from

$211
(Booking.com)

One-way from

$124
(Kiwi.com)

Popular in

April

Cheapest in

June

Average price

$276
From Kathmandu Tribhuvan to Bangkok
Search Deals
One-way flight from Kathmandu Tribhuvan to Bangkok
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Highest demand for flights based on searches. 5% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 29, 2025.

This Booking.com deal was found by Cheapflights users on 7/28. 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 8/273:00 pmKTM - DMK
Nonstop3h 20mThai AirAsia
Wed 9/312:00 pmDMK - KTM
Nonstop3h 15mThai AirAsia
Deal found 7/28$211
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Tue 9/22:50 pmKTM - DMK
Nonstop3h 15mMultiple Airlines
Sat 9/1312:00 pmDMK - KTM
Nonstop3h 15mMultiple Airlines
Deal found 7/28$215
This Trip.com deal was found by Cheapflights users on 7/27. 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 8/172:50 pmKTM - DMK
Nonstop3h 15mThai Lion Air
Sat 8/2311:45 amDMK - KTM
Nonstop3h 20mThai Lion Air
Deal found 7/27$247
This SmartFares deal was found by Cheapflights users on 7/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/31:15 pmKTM - BKK
1 stop22h 25mSriLankan Airlines
Wed 8/67:45 amBKK - KTM
1 stop29h 45mSriLankan Airlines
Deal found 7/29$308
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 8/111:10 amKTM - BKK
Nonstop3h 20mNepal Airlines
Mon 8/44:45 pmBKK - KTM
Nonstop3h 30mNepal Airlines
Deal found 7/28$314
This Trip.com deal was found by Cheapflights users on 7/28. 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.
Tue 8/197:35 amKTM - BKK
1 stop8h 05mAir India
Wed 8/2710:25 pmBKK - KTM
1 stop9h 25mAir India
Deal found 7/28$317
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/211:30 pmKTM - BKK
Nonstop3h 30mThai Airways
Fri 8/810:15 amBKK - KTM
Nonstop3h 25mThai Airways
Deal found 7/29$324
This Trip.com deal was found by Cheapflights users on 7/28. 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.
Tue 8/1911:30 pmKTM - BKK
Nonstop3h 30mMultiple Airlines
Wed 8/275:10 pmBKK - KTM
1 stop17h 55mMultiple Airlines
Deal found 7/28$350
This Expedia deal was found by Cheapflights users on 7/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/253:05 pmKTM - BKK
1 stop30h 20mIndiGo
Fri 8/295:10 pmBKK - KTM
1 stop17h 55mIndiGo
Deal found 7/28$383

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 July 29, 2025.
Use the filters below to find and compare flights from Kathmandu to Bangkok that are best for you.

Fly from

Kathmandu

Fly to

Bangkok

Route

Depart

Return

Price

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

Wed 8/27

3:00 pm-7:35 pm

Nonstop3h 20m

Bangkok Don Mueang Intl

Wed 9/3

12:00 pm-2:00 pm

Nonstop3h 15m

$211

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

Tue 9/2

2:50 pm-7:20 pm

Nonstop3h 15m

Bangkok Don Mueang Intl

Sat 9/13

12:00 pm-2:00 pm

Nonstop3h 15m

$215

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

Sun 8/17

2:50 pm-7:20 pm

Nonstop3h 15m

Bangkok Don Mueang Intl

Sat 8/23

11:45 am-1:50 pm

Nonstop3h 20m

$247

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sun 8/3

1:15 pm-12:55 pm

1 stop22h 25m

Bangkok Suvarnabhumi

Wed 8/6

7:45 am-12:15 pm

1 stop29h 45m

$308

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Fri 8/1

11:10 am-3:45 pm

Nonstop3h 20m

Bangkok Suvarnabhumi

Mon 8/4

4:45 pm-7:00 pm

Nonstop3h 30m

$314

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Tue 8/19

7:35 am-4:55 pm

1 stop8h 05m

Bangkok Suvarnabhumi

Wed 8/27

10:25 pm-6:35 am

1 stop9h 25m

$317

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sat 8/2

11:30 pm-4:15 am

Nonstop3h 30m

Bangkok Suvarnabhumi

Fri 8/8

10:15 am-12:25 pm

Nonstop3h 25m

$324

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Tue 8/19

11:30 pm-4:15 am

Nonstop3h 30m

Bangkok Suvarnabhumi

Wed 8/27

5:10 pm-9:50 am

1 stop17h 55m

$350

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 8/25

3:05 pm-10:40 pm

1 stop30h 20m

Bangkok Suvarnabhumi

Fri 8/29

5:10 pm-9:50 am

1 stop17h 55m

$383

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

Wed 8/6

3:00 pm-7:35 pm

Nonstop3h 20m

$124

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 19 results
1
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The best insider tips for Kathmandu to Bangkok flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Kathmandu to Bangkok trip
Airlines
Thai AirAsia

Thai AirAsia's Premium Flex bundle includes priority check-in, boarding, and faster bag delivery.


Thai AirAsia uses jet bridges at Don Mueang, enhancing comfort on hot days.

Read more about Thai AirAsiaby Ramsey Qubein
Thai Airways

TG offers Royal Silk Business class with 2-2-2 seating, but some planes lack aisle access.


TG Economy offers 32” pitch seats, providing comfort on medium-haul flights without Premium Economy.

Read more about Thai Airwaysby Yulia Denisyuk
Airports
KTM

Arrive at KTM 3 hours early for check-in, security, and immigration. Expect long lines, especially at main counters.

Read more about KTMby Sharad Ranabhat
DMK

Take the MRT Red Line for a 17-minute ride to Bangkok's city center from DMK, avoiding traffic.

Read more about DMKby Daniel Scheffler
BKK

Use the Airport Rail Link (ARL) for a quick 20-minute ride to Bangkok's city center from BKK.

Read more about BKKby Robert Schrader
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on Thai AirAsia

Ramsey Qubein

Ramsey Qubein

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 Denisyuk

Yulia Denisyuk

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

Daniel Scheffler

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

Robert Schrader

Robert Schrader

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 Ranabhat

Sharad Ranabhat

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

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?

Use this chart to determine the optimal time to book a round-trip flight from Kathmandu to Bangkok. Price data was last updated on July 25, 2025.

The best time to book flights from Kathmandu to Bangkok is 75 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, March is the cheapest month in which you can book a flight from Kathmandu to Bangkok (average of $950). Flying from Kathmandu to Bangkok in December is currently the most expensive (average of $1,568). 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 July 29, 2025.

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 54% versus a flight in the evening.

What is the cheapest day to fly from Kathmandu to Bangkok?

Use this chart to determine the cheapest time to fly round-trip from Kathmandu to Bangkok. Price data was last updated on July 27, 2025.

Travelers seeking maximum savings on their Kathmandu to Bangkok flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Kathmandu to Bangkok

Explore weekly flight availability from Kathmandu to Bangkok. 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 July 29, 2025.

The most flights from KTM to TH1 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 to fly round-trip from Kathmandu to Bangkok?

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 July 29, 2025.
See what other customers who have flown with Thai Airways, Thai AirAsia, and SriLankan Airlines 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
7.8
Good
339 reviews

Comfort

7.5

Entertainment

6.8

Food

7.3

Overall

7.8

Crew

8.3

Boarding

7.8

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
339 reviews
Thai Airways
7.8
Good
339 reviews

Comfort

7.5

Entertainment

6.8

Food

7.3

Overall

7.8

Crew

8.3

Boarding

7.8

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
7.5
Good
217 reviews
Thai Airways
7.8
Good
339 reviews

Comfort

7.5

Entertainment

6.8

Food

7.3

Overall

7.8

Crew

8.3

Boarding

7.8

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.
SriLankan Airlines
6.8
Okay
75 reviews
Thai Airways
7.8
Good
339 reviews

Comfort

7.5

Entertainment

6.8

Food

7.3

Overall

7.8

Crew

8.3

Boarding

7.8

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.
IndiGo
6.8
Okay
478 reviews
Thai Airways
7.8
Good
339 reviews

Comfort

7.5

Entertainment

6.8

Food

7.3

Overall

7.8

Crew

8.3

Boarding

7.8

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.
Air India
5.5
Fair
2,927 reviews
Thai Airways
7.8
Good
339 reviews

Comfort

7.5

Entertainment

6.8

Food

7.3

Overall

7.8

Crew

8.3

Boarding

7.8

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 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 are 2 daily outbound flights to Bangkok from 6 different airlines.

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

    Currently priced at $211, Thai AirAsia will fly you from Kathmandu to Bangkok and back. In addition to Thai AirAsia, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Thai Lion Air and SriLankan Airlines - these airlines can fly you to your destination from $247 and $308, respectively. Thai AirAsia is 33% 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?

    $124 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 SriLankan Airlines, with prices starting from $135 and $163, respectively.

  • What are the cheapest flights from Kathmandu to Bangkok?

    Looking at all options, your cheapest flight can be booked for $187. While the most popular route (Kathmandu Tribhuvan - Bangkok Suvarnabhumi) can be booked for $209 on average our data indicates $543 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, March is the cheapest month in which you can book a flight from Kathmandu to Bangkok (average of $950). Flying from Kathmandu to Bangkok in December is currently the most expensive (average of $1,568). 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
Kathmandu to Don Mueang Intl flights

Top 6 airlines flying from Kathmandu to Bangkok

Discover the top 6 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest$169Average$255FlexibilityNo cancel feeOn-time87%
Thai Lion AirCheapest$182Average$295FlexibilityNo cancel feeOn-timeN/A
Air IndiaCheapest$280Average$422FlexibilityNo cancel feeOn-timeN/A
Nepal AirlinesCheapest$283Average$363FlexibilityNo cancel feeOn-timeN/A
Thai AirwaysCheapest$336Average$422FlexibilityNo cancel feeOn-time77%
Biman BangladeshCheapest$340Average$376FlexibilityNo cancel feeOn-time45%

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