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Suvarnabhumi

$155+ 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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — BKK
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Kathmandu Tribhuvan to Bangkok Suvarnabhumi are usually found in June or February, booked 75 days in advance, depart on a Friday or Wednesday and return on a Friday

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 June 12, 2025.

Round-trip from

$286
(Kiwi.com)

One-way from

$155
(SmartFares)

Popular in

April

Cheapest in

June

Average price

$272

Good round-trip deal

$383 or less

Good one-way deal

$348 or less
From Kathmandu Tribhuvan to Bangkok Suvarnabhumi
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One-way flight from Kathmandu Tribhuvan to Bangkok Suvarnabhumi
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Highest demand for flights based on searches. 2% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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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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 June 12, 2025.

This Trip.com deal was found by Cheapflights users on 6/12. 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 6/2011:10 amKTM - BKK
Nonstop3h 20mNepal Airlines
Mon 6/304:45 pmBKK - KTM
Nonstop3h 30mNepal Airlines
Deal found 6/12$282
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 6/307:35 amKTM - BKK
1 stop8h 05mAir India
Sun 7/68:40 amBKK - KTM
1 stop12h 40mAir India
Deal found 6/11$286
This CheapOair deal was found by Cheapflights users on 6/12. 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.
Sun 7/201:15 pmKTM - BKK
1 stop22h 25mSriLankan Airlines
Wed 7/303:20 pmBKK - KTM
1 stop22h 10mSriLankan Airlines
Deal found 6/12$303
This Mytrip deal was found by Cheapflights users on 6/11. 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 7/211:15 pmKTM - BKK
1 stop22h 25mMultiple Airlines
Thu 7/317:00 pmBKK - KTM
1 stop28h 45mMultiple Airlines
Deal found 6/11$332
This SmartFares deal was found by Cheapflights users on 6/11. 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.
Tue 7/11:30 pmKTM - BKK
Nonstop3h 30mThai Airways
Tue 7/88:20 pmBKK - KTM
Nonstop3h 25mThai Airways
Deal found 6/11$348
This Malaysia Airlines deal was found by Cheapflights users on 6/10. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2510:45 pmKTM - BKK
1 stop13h 25mMalaysia Airlines
Fri 8/12:25 pmBKK - KTM
1 stop8h 35mMalaysia Airlines
Deal found 6/10$355
This Gotogate deal was found by Cheapflights users on 6/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/194:00 pmKTM - BKK
1 stop21h 45mBiman Bangladesh
Sun 10/264:15 pmBKK - KTM
1 stop27h 00mBiman Bangladesh
Deal found 6/12$399
This CheapOair deal was found by Cheapflights users on 6/12. 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 6/1610:50 amKTM - BKK
1 stop27h 50mIndiGo
Sun 6/223:50 pmBKK - KTM
1 stop23h 30mIndiGo
Deal found 6/12$457

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 June 12, 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

Fri 6/20

11:10 am-3:45 pm

Nonstop3h 20m

Bangkok Suvarnabhumi

Mon 6/30

4:45 pm-7:00 pm

Nonstop3h 30m

$282

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 6/30

7:35 am-4:55 pm

1 stop8h 05m

Bangkok Suvarnabhumi

Sun 7/6

8:40 am-8:05 pm

1 stop12h 40m

$286

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sun 7/20

1:15 pm-12:55 pm

1 stop22h 25m

Bangkok Suvarnabhumi

Wed 7/30

3:20 pm-12:15 pm

1 stop22h 10m

$303

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 7/21

1:15 pm-12:55 pm

1 stop22h 25m

Bangkok Suvarnabhumi

Thu 7/31

7:00 pm-10:30 pm

1 stop28h 45m

$332

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Tue 7/1

1:30 pm-6:15 pm

Nonstop3h 30m

Bangkok Suvarnabhumi

Tue 7/8

8:20 pm-10:30 pm

Nonstop3h 25m

$348

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Fri 7/25

10:45 pm-1:25 pm

1 stop13h 25m

Bangkok Suvarnabhumi

Fri 8/1

2:25 pm-9:45 pm

1 stop8h 35m

$355

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 6/16

10:50 am-3:55 pm

1 stop27h 50m

Bangkok Suvarnabhumi

Sun 6/22

3:50 pm-2:05 pm

1 stop23h 30m

$457

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Fri 6/20

4:35 pm-3:50 pm

2 stops22h 00m

Bangkok Suvarnabhumi

Mon 6/30

7:15 pm-3:35 pm

2 stops21h 35m

$578

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sun 6/29

11:55 am-5:05 pm

1 stop27h 55m

Bangkok Suvarnabhumi

Sun 7/6

1:30 am-10:55 am

2 stops34h 40m

$602

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Thu 7/31

11:30 pm-10:20 am

1 stop9h 35m

Bangkok Suvarnabhumi

Mon 8/4

3:00 am-10:30 pm

1 stop20h 45m

$610

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 22 results
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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

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 June 9, 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 75 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, March is the cheapest month in which you can book a flight from Kathmandu to Bangkok Suvarnabhumi Airport (average of $953). Flying from Kathmandu to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,574). 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 June 12, 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 June 8, 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. 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 Suvarnabhumi Airport

Explore weekly flight availability from Kathmandu to Suvarnabhumi. 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 June 12, 2025.

The most flights from KTM to BKK 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).

Rainfall in Suvarnabhumi by month

Plan your trip to Suvarnabhumi by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bangkok Suvarnabhumi Airport ranges from 0.4 - 12.6 inches per month. September is typically the wettest month, when rainfall can reach 12.6 in. January is typically the driest time to visit Bangkok Suvarnabhumi Airport when rainfall is around 0.4 in.

Temperature in Suvarnabhumi by month

Plan your trip to Suvarnabhumi by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bangkok Suvarnabhumi Airport, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

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 June 12, 2025.
To help decide which airline to fly from Kathmandu to Bangkok, see what other customers have to say about Emirates, Singapore Airlines and Thai Airways. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very good
3,264 reviews

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Emirates
8.1
Very good
3,264 reviews
Emirates
8.1
Very good
3,264 reviews

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Singapore Airlines
8.1
Very good
1,302 reviews
Emirates
8.1
Very good
3,264 reviews

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Thai Airways
7.7
Good
335 reviews
Emirates
8.1
Very good
3,264 reviews

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
China Southern
7.5
Good
99 reviews
Emirates
8.1
Very good
3,264 reviews

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Malaysia Airlines
7.4
Good
263 reviews
Emirates
8.1
Very good
3,264 reviews

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

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 6 different airlines.

  • 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 Air India. Our recent data shows that you can find tickets from as low as $286 on this airline. Additional options worth looking into are Nepal Airlines and SriLankan Airlines, starting at $292 and $303 round-trip. Air India is priced at 12% 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 SriLankan Airlines ($155), Nepal Airlines ($173), and SpiceJet ($205).

  • 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 $610, our data indicates the cheapest price to be $234. The most popular route (Kathmandu Tribhuvan - Bangkok Suvarnabhumi), is priced around $172.

  • 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, March is the cheapest month in which you can book a flight from Kathmandu to Bangkok Suvarnabhumi Airport (average of $953). Flying from Kathmandu to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,574). 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

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Alternative routes for Kathmandu to Suvarnabhumi

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Kathmandu to Don Mueang Intl flights

Top 6 airlines flying from Kathmandu to Suvarnabhumi

Discover the top 6 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest$170Average$265FlexibilityNo cancel feeOn-time87%
Thai Lion AirCheapest$206Average$310FlexibilityNo cancel feeOn-timeN/A
Air IndiaCheapest$280Average$422FlexibilityNo cancel feeOn-timeN/A
Nepal AirlinesCheapest$299Average$360FlexibilityNo cancel feeOn-timeN/A
Biman BangladeshCheapest$340Average$375FlexibilityNo cancel feeOn-time45%
Thai AirwaysCheapest$346Average$422FlexibilityNo cancel feeOn-time77%

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