HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bangkok

$122+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — BKK
jul. 21 — jul. 281
lun. 7/21
lun. 7/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kathmandu to Bangkok with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 Friday 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 julio 16, 2025.

Round-trip from

$215
(Trip.com)

One-way from

$122
(Kiwi.com)

Popular in

April

Cheapest in

June

Average price

$277
From Kathmandu Tribhuvan to Bangkok
Search Deals
One-way flight from Kathmandu Tribhuvan to Bangkok
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 julio 16, 2025.

This Trip.com deal was found by Cheapflights users on 7/16. 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.
vie. 8/153:00 pmKTM - DMK
Nonstop3h 20mThai AirAsia
mar. 8/1912:00 pmDMK - KTM
Nonstop3h 15mThai AirAsia
Deal found 7/16$215
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
dom. 8/102:50 pmKTM - DMK
Nonstop3h 15mMultiple Airlines
mié. 8/2012:00 pmDMK - KTM
Nonstop3h 15mMultiple Airlines
Deal found 7/16$221
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/152:50 pmKTM - DMK
Nonstop3h 15mThai Lion Air
mar. 7/2211:45 amDMK - KTM
Nonstop3h 20mThai Lion Air
Deal found 7/14$241
This Trip.com deal was found by Cheapflights users on 7/16. 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.
mié. 7/2311:10 amKTM - BKK
Nonstop3h 20mNepal Airlines
lun. 7/284:45 pmBKK - KTM
Nonstop3h 30mNepal Airlines
Deal found 7/16$275
This SmartFares deal was found by Cheapflights users on 7/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/181:15 pmKTM - BKK
1 stop22h 25mSriLankan Airlines
mié. 8/273:20 pmBKK - KTM
1 stop22h 10mSriLankan Airlines
Deal found 7/14$286
This Trip.com deal was found by Cheapflights users on 7/15. 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.
dom. 7/201:15 pmKTM - BKK
1 stop15h 45mMultiple Airlines
jue. 7/245:10 pmBKK - KTM
1 stop21h 05mMultiple Airlines
Deal found 7/15$314
This Trip.com deal was found by Cheapflights users on 7/16. 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.
dom. 8/109:00 pmKTM - BKK
1 stop18h 40mAir India
mié. 8/208:40 amBKK - KTM
1 stop12h 40mAir India
Deal found 7/16$316
This Mytrip deal was found by Cheapflights users on 7/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/1711:30 pmKTM - BKK
Nonstop3h 30mThai Airways
dom. 7/208:20 pmBKK - KTM
Nonstop3h 25mThai Airways
Deal found 7/14$322

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 julio 16, 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

vie. 8/15

3:00 pm-7:35 pm

Nonstop3h 20m

Bangkok Don Mueang Intl

mar. 8/19

12:00 pm-2:00 pm

Nonstop3h 15m

$215

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

dom. 8/10

2:50 pm-7:20 pm

Nonstop3h 15m

Bangkok Don Mueang Intl

mié. 8/20

12:00 pm-2:00 pm

Nonstop3h 15m

$221

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

mar. 8/26

2:50 pm-7:20 pm

Nonstop3h 15m

Bangkok Don Mueang Intl

sáb. 8/30

11:45 am-1:50 pm

Nonstop3h 20m

$245

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

lun. 8/18

1:15 pm-12:55 pm

1 stop22h 25m

Bangkok Suvarnabhumi

mié. 8/27

3:20 pm-12:15 pm

1 stop22h 10m

$286

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

mié. 7/30

11:10 am-3:45 pm

Nonstop3h 20m

Bangkok Suvarnabhumi

vie. 8/8

4:45 pm-7:00 pm

Nonstop3h 30m

$288

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

dom. 8/10

9:00 pm-4:55 pm

1 stop18h 40m

Bangkok Suvarnabhumi

mié. 8/20

8:40 am-8:05 pm

1 stop12h 40m

$316

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

mié. 8/27

11:30 pm-4:15 am

Nonstop3h 30m

Bangkok Suvarnabhumi

dom. 8/31

8:20 pm-10:30 pm

Nonstop3h 25m

$324

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

lun. 8/11

1:15 pm-12:55 pm

1 stop22h 25m

Bangkok Suvarnabhumi

lun. 8/18

5:10 pm-3:40 pm

1 stop23h 45m

$333

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

mié. 7/23

3:00 pm-7:35 pm

Nonstop3h 20m

$122

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

lun. 11/10

2:15 pm-6:40 pm

Nonstop3h 10m

$134

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Showing 1-10 of 17 results
1
2

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 11, 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 $1,569). 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 julio 16, 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 13, 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 julio 16, 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).

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 julio 16, 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
7.7
Good
337 reviews

Food

7.3

Crew

8.3

Entertainment

6.8

Comfort

7.5

Overall

7.7

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
7.7
Good
337 reviews
Thai Airways
7.7
Good
337 reviews

Food

7.3

Crew

8.3

Entertainment

6.8

Comfort

7.5

Overall

7.7

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
220 reviews
Thai Airways
7.7
Good
337 reviews

Food

7.3

Crew

8.3

Entertainment

6.8

Comfort

7.5

Overall

7.7

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
7.7
Good
337 reviews

Food

7.3

Crew

8.3

Entertainment

6.8

Comfort

7.5

Overall

7.7

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
7.7
Good
337 reviews

Food

7.3

Crew

8.3

Entertainment

6.8

Comfort

7.5

Overall

7.7

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
7.7
Good
337 reviews

Food

7.3

Crew

8.3

Entertainment

6.8

Comfort

7.5

Overall

7.7

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 $215, 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 $245 and $286, respectively. Thai AirAsia is 32% 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?

    $122 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 $134 and $153, respectively.

  • What are the cheapest flights from Kathmandu to Bangkok?

    Looking at all options, your cheapest flight can be booked for $245. While the most popular route (Kathmandu Tribhuvan - Bangkok Suvarnabhumi) can be booked for $238 on average our data indicates $462 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 $1,569). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 julio 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest$171Average$256FlexibilityNo cancel feeOn-time87%
Thai Lion AirCheapest$206Average$298FlexibilityNo cancel feeOn-timeN/A
Air IndiaCheapest$280Average$422FlexibilityNo cancel feeOn-timeN/A
Nepal AirlinesCheapest$280Average$359FlexibilityNo cancel feeOn-timeN/A
Biman BangladeshCheapest$340Average$376FlexibilityNo cancel feeOn-time45%
Thai AirwaysCheapest$346Average$422FlexibilityNo cancel feeOn-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.