HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kathmandu

$136+ Cheap flights from Suvarnabhumi (BKK) to Kathmandu (KTM)

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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — KTM
Jan 7 — Jan 141
Wed 1/7
Wed 1/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Suvarnabhumi to Kathmandu 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 Bangkok Suvarnabhumi to Kathmandu Tribhuvan are usually found in January or August, booked 74 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Suvarnabhumi to Kathmandu

Cheapest flights from Suvarnabhumi to Kathmandu
Explore the most affordable flight options available from Suvarnabhumi to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 8, 2025.

This Mytrip deal was found by Cheapflights users on 12/7. 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 12/1310:50 amBKK - KTM
1 stop26h 40mMultiple Airlines
Fri 12/2611:10 amKTM - BKK
Nonstop3h 20mMultiple Airlines
Deal found 12/7$317
This Mytrip deal was found by Cheapflights users on 12/8. 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.
Wed 12/1010:50 amBKK - KTM
1 stop24h 15mMultiple Airlines
Mon 1/512:50 pmKTM - BKK
1 stop22h 30mMultiple Airlines
Deal found 12/8$326
This Mytrip deal was found by Cheapflights users on 12/7. 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.
Wed 12/176:55 pmBKK - KTM
1 stop17h 50mMultiple Airlines
Fri 12/2611:10 amKTM - BKK
Nonstop3h 20mMultiple Airlines
Deal found 12/7$335
This Mytrip deal was found by Cheapflights users on 12/6. 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.
Tue 12/910:50 amBKK - KTM
1 stop26h 40mMultiple Airlines
Fri 12/1211:10 amKTM - BKK
Nonstop3h 20mMultiple Airlines
Deal found 12/6$341
This Mytrip deal was found by Cheapflights users on 12/7. 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.
Mon 12/1510:50 amBKK - KTM
1 stop26h 40mMultiple Airlines
Mon 12/2211:10 amKTM - BKK
Nonstop3h 20mMultiple Airlines
Deal found 12/7$349
This Mytrip deal was found by Cheapflights users on 12/7. 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.
Wed 12/178:20 amBKK - KTM
1 stop28h 25mMultiple Airlines
Wed 12/2411:10 amKTM - BKK
Nonstop3h 20mMultiple Airlines
Deal found 12/7$352
This Mytrip deal was found by Cheapflights users on 12/7. 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.
Wed 12/176:55 pmBKK - KTM
1 stop17h 50mMultiple Airlines
Mon 12/2211:10 amKTM - BKK
Nonstop3h 20mMultiple Airlines
Deal found 12/7$354
This Mytrip deal was found by Cheapflights users on 12/7. 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.
Tue 12/1610:50 amBKK - KTM
1 stop26h 40mMultiple Airlines
Wed 12/2411:10 amKTM - BKK
Nonstop3h 20mMultiple Airlines
Deal found 12/7$356
This Trip.com deal was found by Cheapflights users on 12/7. 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.
Mon 12/154:45 pmBKK - KTM
Nonstop3h 30mNepal Airlines
Mon 12/2211:10 amKTM - BKK
Nonstop3h 20mNepal Airlines
Deal found 12/7$370
This Trip.com deal was found by Cheapflights users on 12/7. 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.
Wed 12/174:45 pmBKK - KTM
Nonstop3h 30mNepal Airlines
Mon 12/2211:10 amKTM - BKK
Nonstop3h 20mNepal Airlines
Deal found 12/7$386
This Mytrip deal was found by Cheapflights users on 12/7. 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.
Wed 12/174:45 pmBKK - KTM
Nonstop3h 30mNepal Airlines
Wed 12/2411:10 amKTM - BKK
Nonstop3h 20mNepal Airlines
Deal found 12/7$388

Find flight deals from Suvarnabhumi to Kathmandu

Discover tips and strategies to find the most affordable flight options for your journey from Suvarnabhumi (BKK) 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 December 8, 2025.

Most accurate provider

OneTravel
3 stars

Most trusted provider

OneTravel
3 stars

Round-trip from

$337
(CheapOair)

One-way from

$136
(CheapOair)

Popular in

April

Cheapest in

January

Average price

$302

Good one-way deal

$230 or less
Provider with most accurate pricing for Bangkok Suvarnabhumi-Kathmandu Tribhuvan flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bangkok Suvarnabhumi-Kathmandu Tribhuvan flights.
Search Deals
From Bangkok Suvarnabhumi to Kathmandu Tribhuvan
Search Deals
One-way flight from Bangkok Suvarnabhumi to Kathmandu Tribhuvan
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a one-way flight from Bangkok Suvarnabhumi to Kathmandu Tribhuvan.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Suvarnabhumi 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 2,558,603 searches. Data last updated December 8, 2025.
Use the filters below to find and compare flights from Bangkok Suvarnabhumi Airport to Kathmandu that are best for you.

Fly from

Suvarnabhumi

Fly to

Kathmandu

Route

Depart

Return

Price

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Wed 4/1

6:05 pm-10:30 pm

1 stop29h 40m

Kathmandu Tribhuvan

Thu 6/25

1:15 pm-12:45 pm

1 stop22h 15m

$337

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 4/6

3:00 am-11:50 am

1 stop10h 05m

Kathmandu Tribhuvan

Tue 4/28

6:30 am-4:55 pm

1 stop9h 10m

$396

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Tue 1/20

3:30 pm-12:15 pm

1 stop22h 00m

Kathmandu Tribhuvan

Tue 1/27

1:30 pm-6:15 pm

Nonstop3h 30m

$397

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Fri 6/5

1:45 pm-10:30 pm

1 stop10h 00m

Kathmandu Tribhuvan

Fri 7/31

2:00 pm-2:15 pm

1 stop23h 00m

$399

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Thu 1/1

9:15 pm-11:25 pm

Nonstop3h 25m

Kathmandu Tribhuvan

Sun 1/11

12:50 pm-12:35 pm

1 stop22h 30m

$406

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 12/28

10:50 am-9:50 am

1 stop24h 15m

Kathmandu Tribhuvan

Wed 1/7

6:30 am-8:20 pm

1 stop12h 35m

$409

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Thu 1/1

6:05 pm-11:30 am

1 stop18h 40m

Kathmandu Tribhuvan

Fri 1/9

10:05 am-8:20 pm

1 stop9h 00m

$409

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Thu 1/1

1:55 pm-11:30 am

1 stop22h 50m

Kathmandu Tribhuvan

Sun 1/11

12:30 pm-1:05 am

1 stop11h 20m

$413

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Tue 1/20

4:10 pm-6:35 am

2 stops15h 40m

Kathmandu Tribhuvan

Tue 1/27

5:30 pm-3:10 pm

2 stops20h 25m

$415

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Tue 3/24

4:10 pm-12:15 am

2 stops33h 20m

Kathmandu Tribhuvan

Wed 4/1

6:30 am-8:25 pm

1 stop12h 40m

$431

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Showing 1-10 of 22 results
1
2
3

Compare providers for flights from Suvarnabhumi to Kathmandu

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Suvarnabhumi to Kathmandu in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Bangkok Suvarnabhumi Airport-Kathmandu flights, users find the pricing of OneTravel to be most consistent on Cheapflights vs. OneTravel Users can find the same prices on Bangkok Suvarnabhumi Airport-Kathmandu flight deals on Cheapflights vs. OneTravel >95% of the time. Price accuracy is based on data collected from Bangkok Suvarnabhumi Airport-Kathmandu flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bangkok Suvarnabhumi Airport-Kathmandu flights, Cheapflights users trust OneTravel the most. OneTravel has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bangkok Suvarnabhumi Airport-Kathmandu flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Suvarnabhumi to Kathmandu

Have a flexible travel schedule? Discover the best time to fly to Kathmandu from Suvarnabhumi 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 Bangkok Suvarnabhumi Airport to Kathmandu

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

Use this chart to determine the optimal time to book a round-trip flight from Suvarnabhumi to Kathmandu. Price data was last updated on December 5, 2025.

The best time to book flights from Bangkok Suvarnabhumi Airport to Kathmandu is 74 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 Bangkok Suvarnabhumi Airport to Kathmandu?

Currently, July is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Kathmandu (average of $122). Flying from Bangkok Suvarnabhumi Airport to Kathmandu in October is currently the most expensive (average of $238). 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 Suvarnabhumi 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 December 8, 2025.

When flying from Bangkok Suvarnabhumi Airport to Kathmandu, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 35% versus a flight in the morning.

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

The best insider tips for Bangkok Suvarnabhumi Airport to Kathmandu 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 Bangkok Suvarnabhumi Airport to Kathmandu trip
Airports
BKK

Navigating security at BKK can be a nightmare. Arrive 90 minutes early to clear security and immigration, especially if your gate is in the satellite concourse.

Read more about BKKby Robert Schrader
KTM

For a smoother arrival at KTM, arrange transportation in advance through your hotel or use rideshare apps like Pathao or inDrive to avoid overcharging.

Read more about KTMby Sharad Ranabhat
Our travel experts
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

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 December 8, 2025.
See what other customers who have flown with Thai Airways and Thai AirAsia from Bangkok Suvarnabhumi Airport to Kathmandu 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
366 reviews

Crew

8.3

Boarding

7.9

Entertainment

6.9

Food

7.3

Comfort

7.5

Overall

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
366 reviews
Thai Airways
7.8
Good
366 reviews

Crew

8.3

Boarding

7.9

Entertainment

6.9

Food

7.3

Comfort

7.5

Overall

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
7.4
Good
223 reviews
Thai Airways
7.8
Good
366 reviews

Crew

8.3

Boarding

7.9

Entertainment

6.9

Food

7.3

Comfort

7.5

Overall

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 Suvarnabhumi 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 Suvarnabhumi?

    Kathmandu Tribhuvan (KTM) is the airport you will fly into if you book a flight from Bangkok Suvarnabhumi to Kathmandu. You should not have trouble finding flights to Tribhuvan from Bangkok Suvarnabhumi; the airport handles an average of 2 inbound flights from Bangkok Suvarnabhumi per day. You should also have plenty of airline options to choose from since 4 airlines have flights to the Kathmandu airport from Bangkok Suvarnabhumi. It is only a 2.5 mi journey from Tribhuvan (KTM) to Kathmandu’s city center.

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

    Flying on Thai AirAsia is currently your cheapest option to Kathmandu, with prices starting at $177. Additional round-trip tickets that might be worth considering are offered by Thai Lion Air and Nepal Airlines, with the lowest prices starting at $211 and $383, respectively. These flights start at 38% lower than the current average price 3 months from now.

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

    The cheapest airline one-way is Thai Lion Air, with whom users have recently found tickets for as low as $97. However, be on the lookout for offers from Thai AirAsia and Nepal Airlines, as they are both options that can get you from Bangkok Suvarnabhumi Airport to Kathmandu for a low price.

  • What are the cheapest flights from Bangkok Suvarnabhumi Airport to Kathmandu?

    While on average a flight from Bangkok Suvarnabhumi Airport to Kathmandu is generally $235, our data shows the cheapest flight currently is $229. When looking at the most popular route, (Bangkok Suvarnabhumi - Kathmandu Tribhuvan), you can expect to pay $265 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Suvarnabhumi 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 Suvarnabhumi Airport to Kathmandu?

    Currently, July is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Kathmandu (average of $122). Flying from Bangkok Suvarnabhumi Airport to Kathmandu in October is currently the most expensive (average of $238). 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

Traveling to a place near Kathmandu?

Book flights to Kathmandu if you plan to visit one of these locations
Nagarkot

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.

Complete your trip

Complete your trip to Kathmandu by adding a car rental and/or hotel reservation to your travel itinerary.
Kathmandu car rentals
Kathmandu Tribhuvan Airport car rentals

Top 4 airlines flying from Suvarnabhumi to Kathmandu

Discover the top 4 airlines that operate flights from Suvarnabhumi 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 2,558,603 searches. Data last updated December 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest$205Average$289FlexibilityNo cancel feeOn-time87%
Thai Lion AirCheapest$221Average$293FlexibilityNo cancel feeOn-timeN/A
Nepal AirlinesCheapest$383Average$423FlexibilityNo cancel feeOn-timeN/A
Thai AirwaysCheapest$440Average$474FlexibilityNo 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.