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Kathmandu

$173+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — KTM
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheapflights Tip: The best prices from Bangkok Suvarnabhumi to Kathmandu Tribhuvan are usually found in January or June, booked 32 days in advance, depart on a Tuesday or Friday and return on a Wednesday

Cheap 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 August 20, 2025.

Round-trip from

$334
(Mytrip)

One-way from

$173
(Mytrip)

Popular in

September

Cheapest in

January

Average price

$285

Good round-trip deal

$450 or less

Good one-way deal

$260 or less
From Bangkok Suvarnabhumi to Kathmandu Tribhuvan
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One-way flight from Bangkok Suvarnabhumi to Kathmandu Tribhuvan
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Highest demand for flights based on searches. 11% potential increase in price ($41 potential increase over avg. RT price).
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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 August 2025
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Price to beat on a round-trip flight from Bangkok Suvarnabhumi to Kathmandu Tribhuvan.
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Price to beat on a one-way flight from Bangkok Suvarnabhumi to Kathmandu Tribhuvan.
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Find 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 August 20, 2025.

This Mytrip deal was found by Cheapflights users on 8/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/163:00 amBKK - KTM
1 stop10h 05mChina Southern
Wed 9/2412:50 pmKTM - BKK
1 stop22h 45mChina Southern
Deal found 8/20$334
This Mytrip deal was found by Cheapflights users on 8/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/63:00 amBKK - KTM
1 stop10h 05mChina Southern
Wed 9/1012:50 pmKTM - BKK
1 stop22h 45mChina Southern
Deal found 8/19$336
This Mytrip deal was found by Cheapflights users on 8/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/173:55 pmBKK - KTM
1 stop21h 10mMultiple Airlines
Wed 9/241:35 pmKTM - BKK
1 stop22h 05mMultiple Airlines
Deal found 8/20$343
This Booking.com deal was found by Cheapflights users on 8/19. 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.
Sun 9/73:00 amBKK - KTM
1 stop20h 45mChina Southern
Fri 9/1212:50 pmKTM - BKK
1 stop27h 50mChina Southern
Deal found 8/19$348
This Priceline deal was found by Cheapflights users on 8/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/143:55 pmBKK - KTM
1 stop21h 10mChina Southern
Sat 9/2012:50 pmKTM - BKK
1 stop22h 45mChina Southern
Deal found 8/20$359
This China Southern deal was found by Cheapflights users on 8/20. 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 China Southern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/103:00 amBKK - KTM
1 stop10h 05mChina Southern
Thu 9/1811:30 pmKTM - BKK
1 stop16h 05mChina Southern
Deal found 8/20$360
This China Southern deal was found by Cheapflights users on 8/19. 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 China Southern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/103:00 amBKK - KTM
1 stop10h 05mChina Southern
Tue 9/2312:50 pmKTM - BKK
1 stop20h 15mChina Southern
Deal found 8/19$361
This Mytrip deal was found by Cheapflights users on 8/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/63:00 amBKK - KTM
1 stop10h 05mMultiple Airlines
Wed 9/1011:30 pmKTM - BKK
Nonstop3h 30mMultiple Airlines
Deal found 8/19$366
This Booking.com deal was found by Cheapflights users on 8/19. 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 9/127:00 pmBKK - KTM
1 stop18h 05mMultiple Airlines
Tue 9/1611:30 pmKTM - BKK
Nonstop3h 30mMultiple Airlines
Deal found 8/19$375
This Booking.com deal was found by Cheapflights users on 8/19. 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.
Sun 9/73:00 amBKK - KTM
1 stop10h 05mMultiple Airlines
Fri 9/121:30 pmKTM - BKK
Nonstop3h 30mMultiple Airlines
Deal found 8/19$387
This CheapOair deal was found by Cheapflights users on 8/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/253:50 pmBKK - KTM
2 stops29h 30mMultiple Airlines
Thu 8/281:15 pmKTM - BKK
1 stop15h 45mMultiple Airlines
Deal found 8/18$395

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 August 20, 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

Tue 9/16

3:00 am-11:50 am

1 stop10h 05m

Kathmandu Tribhuvan

Wed 9/24

12:50 pm-12:50 pm

1 stop22h 45m

$334

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sat 9/6

3:00 am-11:50 am

1 stop10h 05m

Kathmandu Tribhuvan

Wed 9/10

12:50 pm-12:50 pm

1 stop22h 45m

$336

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Wed 9/17

3:55 pm-11:50 am

1 stop21h 10m

Kathmandu Tribhuvan

Wed 9/24

1:35 pm-12:55 pm

1 stop22h 05m

$343

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 9/8

7:00 pm-10:30 pm

1 stop28h 45m

Kathmandu Tribhuvan

Fri 9/12

12:50 pm-4:50 pm

1 stop26h 45m

$348

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Fri 9/12

8:20 am-11:50 am

1 stop28h 45m

Kathmandu Tribhuvan

Tue 9/16

11:30 pm-5:55 pm

1 stop17h 10m

$348

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 9/14

3:55 pm-11:50 am

1 stop21h 10m

Kathmandu Tribhuvan

Sat 9/20

12:50 pm-12:50 pm

1 stop22h 45m

$359

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 9/15

6:05 pm-11:50 am

1 stop19h 00m

Kathmandu Tribhuvan

Sun 9/21

12:50 pm-12:50 pm

1 stop22h 45m

$360

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 9/15

7:00 pm-11:50 am

1 stop18h 05m

Kathmandu Tribhuvan

Fri 9/19

11:30 pm-2:30 pm

1 stop13h 45m

$360

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Tue 9/16

7:00 pm-11:50 am

1 stop18h 05m

Kathmandu Tribhuvan

Mon 9/22

11:30 pm-2:30 pm

1 stop13h 45m

$360

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Fri 8/29

3:00 am-10:30 pm

1 stop20h 45m

$173

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

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

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

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

Currently, August is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Kathmandu (average of $1,218). Flying from Bangkok Suvarnabhumi Airport to Kathmandu in June is currently the most expensive (average of $1,685). 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 August 20, 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 37% versus a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Suvarnabhumi to Kathmandu. Price data was last updated on August 17, 2025.

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

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

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 August 20, 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
344 reviews

Food

7.3

Entertainment

6.9

Boarding

7.9

Crew

8.3

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
344 reviews
Thai Airways
7.8
Good
344 reviews

Food

7.3

Entertainment

6.9

Boarding

7.9

Crew

8.3

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
7.5
Good
216 reviews
Thai Airways
7.8
Good
344 reviews

Food

7.3

Entertainment

6.9

Boarding

7.9

Crew

8.3

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.

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

    For as low as $336, China Southern can have you in Kathmandu from Bangkok Suvarnabhumi Airport in 19h. Airlines will cover a distance of 1384 mi.

  • 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 $209. Additional round-trip tickets that might be worth considering are offered by Thai Lion Air and Nepal Airlines, with the lowest prices starting at $223 and $386, respectively. These flights start at 30% lower than the current average price 3 months from now.

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

    While on average a flight from Bangkok Suvarnabhumi Airport to Kathmandu is generally $361, our data shows the cheapest flight currently is $247. When looking at the most popular route, (Bangkok Suvarnabhumi - Kathmandu Tribhuvan), you can expect to pay $240 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, August is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Kathmandu (average of $1,218). Flying from Bangkok Suvarnabhumi Airport to Kathmandu in June is currently the most expensive (average of $1,685). 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

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Complete your trip

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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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest$209Average$288FlexibilityNo cancel feeOn-time87%
Thai Lion AirCheapest$223Average$314FlexibilityNo cancel feeOn-timeN/A
Nepal AirlinesCheapest$386Average$418FlexibilityNo cancel feeOn-timeN/A
Thai AirwaysCheapest$448Average$486FlexibilityNo cancel feeOn-time77%

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