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Suvarnabhumi

$167+ Cheap flights from Kathmandu (KTM) to Suvarnabhumi (BKK)

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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — BKK
Nov 19 — Nov 261
Wed 11/19
Wed 11/26
1 adult, Economy
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Cheapflights Tip: The best prices from Kathmandu Tribhuvan to Bangkok Suvarnabhumi are usually found in July or August, booked 84 days in advance, depart on a Wednesday or Monday and return on a Friday

Find flight deals from Kathmandu to Suvarnabhumi

Cheapest flights from Kathmandu to Suvarnabhumi
Explore the most affordable flight options available from Kathmandu to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/19. 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 12/156:30 amKTM - BKK
1 stop12h 35mAir India
Sun 12/2110:20 pmBKK - KTM
1 stop9h 30mAir India
Deal found 10/19$295
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 12/126:30 amKTM - BKK
1 stop12h 35mAir India
Sun 12/218:50 amBKK - KTM
1 stop8h 55mAir India
Deal found 10/19$296
This Trip.com deal was found by Cheapflights users on 10/19. 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.
Fri 11/286:30 amKTM - BKK
1 stop12h 35mAir India
Sun 12/710:20 pmBKK - KTM
1 stop12h 00mAir India
Deal found 10/19$302
This Trip.com deal was found by Cheapflights users on 10/20. 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 11/176:30 amKTM - BKK
1 stop12h 35mAir India
Mon 11/243:10 pmBKK - KTM
1 stop10h 20mAir India
Deal found 10/20$316
This Trip.com deal was found by Cheapflights users on 10/20. 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 11/1711:10 amKTM - BKK
Nonstop3h 20mNepal Airlines
Mon 11/244:45 pmBKK - KTM
Nonstop3h 30mNepal Airlines
Deal found 10/20$317
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 11/46:30 amKTM - BKK
1 stop12h 35mAir India
Thu 11/203:10 pmBKK - KTM
1 stop10h 20mAir India
Deal found 10/20$318
This Priceline deal was found by Cheapflights users on 10/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:30 amKTM - BKK
1 stop12h 35mAir India
Tue 12/910:20 pmBKK - KTM
1 stop9h 30mAir India
Deal found 10/17$323
This Priceline deal was found by Cheapflights users on 10/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:30 amKTM - BKK
1 stop12h 35mAir India
Sat 11/223:10 pmBKK - KTM
1 stop19h 10mAir India
Deal found 10/19$324
This Trip.com deal was found by Cheapflights users on 10/18. 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 12/172:00 pmKTM - BKK
1 stop29h 05mAir India
Sun 12/2110:20 pmBKK - KTM
1 stop12h 00mAir India
Deal found 10/18$325
This Booking.com deal was found by Cheapflights users on 10/19. 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.
Fri 12/2611:10 amKTM - BKK
Nonstop3h 20mNepal Airlines
Fri 1/24:45 pmBKK - KTM
Nonstop3h 30mNepal Airlines
Deal found 10/19$332

Cheap flight deals from Kathmandu to Suvarnabhumi

Discover tips and strategies to find the most affordable flight options for your journey from Kathmandu (KTM) to Suvarnabhumi (BKK). 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 October 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$295
(Kiwi.com)

One-way from

$167
(Trip.com)

Popular in

April

Cheapest in

July

Average price

$304

Good round-trip deal

$380 or less

Good one-way deal

$337 or less
Provider with most accurate pricing for Kathmandu Tribhuvan-Bangkok Suvarnabhumi flight deals.
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Provider most trusted by Cheapflights users for Kathmandu Tribhuvan-Bangkok Suvarnabhumi flights.
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From Kathmandu Tribhuvan to Bangkok Suvarnabhumi
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One-way flight from Kathmandu Tribhuvan to Bangkok Suvarnabhumi
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Kathmandu Tribhuvan to Bangkok Suvarnabhumi.
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Price to beat on a one-way flight from Kathmandu Tribhuvan to Bangkok Suvarnabhumi.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Kathmandu to Suvarnabhumi 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 October 20, 2025.
Use the filters below to find and compare flights from Kathmandu to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Kathmandu

Fly to

Suvarnabhumi

Route

Depart

Return

Price

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Thu 12/25

12:25 am-5:10 am

Nonstop3h 30m

Bangkok Suvarnabhumi

Fri 1/2

9:15 pm-11:25 pm

Nonstop3h 25m

$386

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Fri 12/26

12:25 am-5:10 am

Nonstop3h 30m

Bangkok Suvarnabhumi

Sat 1/3

7:40 pm-12:55 pm

2 stops18h 30m

$528

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Tue 11/4

1:30 pm-6:15 pm

Nonstop3h 30m

Bangkok Suvarnabhumi

Wed 11/19

10:15 am-12:25 pm

Nonstop3h 25m

$572

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sun 11/16

12:25 am-5:10 am

Nonstop3h 30m

Bangkok Suvarnabhumi

Sun 11/23

1:10 am-11:20 am

1 stop11h 25m

$576

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sat 11/8

1:00 pm-8:50 am

2 stops42h 35m

Bangkok Suvarnabhumi

Tue 2/24

5:40 am-9:45 pm

1 stop17h 20m

$627

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Tue 11/4

12:35 pm-12:30 pm

1 stop22h 40m

Bangkok Suvarnabhumi

Sat 11/8

1:30 am-11:35 am

2 stops35h 20m

$661

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sat 11/1

12:25 am-5:10 am

Nonstop3h 30m

Bangkok Suvarnabhumi

Sat 11/8

10:50 am-8:25 am

1 stop22h 50m

$673

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sat 11/8

1:00 pm-8:50 am

2 stops18h 35m

Bangkok Suvarnabhumi

Sun 3/1

8:05 pm-9:45 pm

1 stop26h 55m

$714

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sat 11/8

1:00 pm-2:10 pm

1 stop23h 55m

Bangkok Suvarnabhumi

Wed 2/25

7:30 pm-12:00 pm

2 stops41h 45m

$715

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sun 11/30

5:00 pm-8:10 pm

1 stop25h 55m

Bangkok Suvarnabhumi

Thu 12/4

1:45 am-4:00 pm

2 stops15h 30m

$718

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/19

Showing 1-10 of 23 results
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Compare providers for flights from Kathmandu to Suvarnabhumi

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 Kathmandu to Suvarnabhumi in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy2 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*2 stars
CheapOairPrice Accuracy3 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 Kathmandu-Bangkok Suvarnabhumi Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kathmandu-Bangkok Suvarnabhumi Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kathmandu-Bangkok Suvarnabhumi Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kathmandu-Bangkok Suvarnabhumi Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Kathmandu-Bangkok Suvarnabhumi Airport 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 Kathmandu to Suvarnabhumi

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

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

Use this chart to determine the optimal time to book a round-trip flight from Kathmandu to Suvarnabhumi. Price data was last updated on October 17, 2025.

The price you pay for your flight from Kathmandu to Bangkok Suvarnabhumi Airport may vary depending on when you book. For the best chance of a lower fare, look to book 84 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Kathmandu to Bangkok Suvarnabhumi Airport (average of $127). Flying from Kathmandu to Bangkok Suvarnabhumi Airport in April is currently the most expensive (average of $230). 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 Suvarnabhumi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 20, 2025.

When flying from Kathmandu to Bangkok Suvarnabhumi Airport, 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 53% versus a flight in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Kathmandu to Suvarnabhumi. Price data was last updated on October 19, 2025.

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

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

Arrive 3 hours early for check-in, security, and immigration at KTM. Web check-in can speed up the process.

Read more about KTMby Sharad Ranabhat
BKK

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

Read more about BKKby Robert Schrader
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 Suvarnabhumi

Get insights into the airlines that provide service to Suvarnabhumi. 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 Suvarnabhumi. Reviews last updated October 20, 2025.
Get a feel of what it's like to fly with Thai Airways, Thai AirAsia, and Air India from Kathmandu to Bangkok Suvarnabhumi Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai Airways
7.8
Good
359 reviews

Crew

8.3

Overall

7.8

Boarding

7.9

Entertainment

6.9

Food

7.3

Comfort

7.5

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
359 reviews
Thai Airways
7.8
Good
359 reviews

Crew

8.3

Overall

7.8

Boarding

7.9

Entertainment

6.9

Food

7.3

Comfort

7.5

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
359 reviews

Crew

8.3

Overall

7.8

Boarding

7.9

Entertainment

6.9

Food

7.3

Comfort

7.5

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
2,937 reviews
Thai Airways
7.8
Good
359 reviews

Crew

8.3

Overall

7.8

Boarding

7.9

Entertainment

6.9

Food

7.3

Comfort

7.5

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 Suvarnabhumi. 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 Suvarnabhumi?

    If you book a flight to Bangkok Suvarnabhumi from Kathmandu, you will be flying from Tribhuvan, which is the city’s only airport. Kathmandu Tribhuvan (KTM) is located 2.5 mi from the center of Kathmandu. There are 2 flights from Tribhuvan to Bangkok Suvarnabhumi per day from 5 different airlines.

  • How long is the flight from Kathmandu to Bangkok Suvarnabhumi Airport?

    Departing from Kathmandu to Bangkok Suvarnabhumi Airport will take you 3h 30m. The distance between Kathmandu and Bangkok Suvarnabhumi Airport 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 Suvarnabhumi Airport round-trip?

    Our cheapest airline available from Kathmandu to Bangkok Suvarnabhumi Airport is Thai Lion Air. Our recent data shows that you can find tickets from as low as $129 on this airline. Additional options worth looking into are Thai AirAsia and Air India, starting at $172 and $280 round-trip. Thai Lion Air is priced at 57% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airlines for a one-way flight from Kathmandu to Bangkok Suvarnabhumi Airport are Air India ($188), Nepal Airlines ($214), and SpiceJet ($225).

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

    Looking for the cheapest flight from Kathmandu to Bangkok Suvarnabhumi Airport? While on average our users pay $478, our data indicates the cheapest price to be $189. The most popular route (Kathmandu Tribhuvan - Bangkok Suvarnabhumi), is priced around $169.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Kathmandu to Bangkok Suvarnabhumi Airport (average of $127). Flying from Kathmandu to Bangkok Suvarnabhumi Airport in April is currently the most expensive (average of $230). 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 Bangkok Suvarnabhumi Airport?

Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Sattahip
Kanchanaburi
Chonburi
Cha-am
Ko Samet
Pak Chong
Phetchaburi
Ko Lan

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Alternative routes for Kathmandu to Suvarnabhumi

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

Top 5 airlines flying from Kathmandu to Suvarnabhumi

Discover the top 5 airlines that operate flights from Kathmandu to Suvarnabhumi. 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 October 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai Lion AirCheapest$129Average$289FlexibilityNo cancel feeOn-timeN/A
Thai AirAsiaCheapest$172Average$262FlexibilityNo cancel feeOn-time87%
Air IndiaCheapest$280Average$412FlexibilityNo cancel feeOn-timeN/A
Nepal AirlinesCheapest$280Average$356FlexibilityNo cancel feeOn-timeN/A
Thai AirwaysCheapest$327Average$418FlexibilityNo cancel feeOn-time77%

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