HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Suvarnabhumi

$154+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — BKK
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kathmandu to Suvarnabhumi 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 Suvarnabhumi are usually found in June or February, booked 75 days in advance, depart on a Wednesday or Monday 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 July 3, 2025.

Round-trip from

$281
(Trip.com)

One-way from

$154
(KAYAK)

Popular in

April

Cheapest in

June

Average price

$324

Good round-trip deal

$333 or less

Good one-way deal

$355 or less
From Kathmandu Tribhuvan to Bangkok Suvarnabhumi
Search Deals
One-way flight from Kathmandu Tribhuvan to Bangkok Suvarnabhumi
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($10 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
Price to beat on a round-trip flight from Kathmandu Tribhuvan to Bangkok Suvarnabhumi.
Search Deals
Price to beat on a one-way flight from Kathmandu Tribhuvan to Bangkok Suvarnabhumi.
Search Deals

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 July 3, 2025.

This Trip.com deal was found by Cheapflights users on 7/1. 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.
Thu 7/1010:05 amKTM - BKK
1 stop9h 05mAir India
Tue 7/158:40 amBKK - KTM
1 stop9h 05mAir India
Deal found 7/1$281
This Booking.com deal was found by Cheapflights users on 7/3. 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.
Mon 7/1411:10 amKTM - BKK
Nonstop3h 20mNepal Airlines
Mon 7/214:45 pmBKK - KTM
Nonstop3h 30mNepal Airlines
Deal found 7/3$284
This Trip.com deal was found by Cheapflights users on 7/2. 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 7/141:15 pmKTM - BKK
1 stop15h 45mSriLankan Airlines
Sun 7/207:45 amBKK - KTM
1 stop29h 45mSriLankan Airlines
Deal found 7/2$285
This Mytrip deal was found by Cheapflights users on 7/3. 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.
Fri 7/411:10 amKTM - BKK
Nonstop3h 20mMultiple Airlines
Thu 7/103:05 pmBKK - KTM
1 stop8h 40mMultiple Airlines
Deal found 7/3$334
This SmartFares deal was found by Cheapflights users on 7/2. 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.
Mon 8/181:30 pmKTM - BKK
Nonstop3h 30mThai Airways
Sat 8/2310:15 amBKK - KTM
Nonstop3h 25mThai Airways
Deal found 7/2$346

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 July 3, 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

Sun 7/20

10:05 am-8:25 pm

1 stop9h 05m

Bangkok Suvarnabhumi

Sat 7/26

3:15 pm-6:35 am

1 stop16h 35m

$281

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 7/14

11:10 am-3:45 pm

Nonstop3h 20m

Bangkok Suvarnabhumi

Mon 7/21

4:45 pm-7:00 pm

Nonstop3h 30m

$284

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 7/14

1:15 pm-6:15 am

1 stop15h 45m

Bangkok Suvarnabhumi

Sun 7/20

7:45 am-12:15 pm

1 stop29h 45m

$285

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 7/28

1:15 pm-6:15 am

1 stop15h 45m

Bangkok Suvarnabhumi

Thu 7/31

5:10 pm-9:50 am

1 stop17h 55m

$334

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 8/18

1:30 pm-6:15 pm

Nonstop3h 30m

Bangkok Suvarnabhumi

Sat 8/23

10:15 am-12:25 pm

Nonstop3h 25m

$346

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 7/14

1:15 pm-6:15 am

1 stop15h 45m

$154

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 7/14

11:10 am-3:45 pm

Nonstop3h 20m

$173

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Wed 7/16

2:00 pm-4:10 pm

1 stop24h 55m

$196

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Thu 7/17

10:55 am-3:00 am

1 stop14h 50m

$204

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Tue 7/29

9:05 am-10:25 am

2 stops24h 05m

$220

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 12 results
1
2

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 27, 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 $952). Flying from Kathmandu to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,573). 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 July 3, 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 29, 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 July 3, 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).

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

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 July 3, 2025.
Get a feel of what it's like to fly with Thai Airways, SriLankan Airlines, and IndiGo 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
7.7
Good
338 reviews

Comfort

7.5

Entertainment

6.8

Boarding

7.8

Food

7.3

Overall

7.7

Crew

8.3

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
338 reviews
Thai Airways
7.7
Good
338 reviews

Comfort

7.5

Entertainment

6.8

Boarding

7.8

Food

7.3

Overall

7.7

Crew

8.3

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
74 reviews
Thai Airways
7.7
Good
338 reviews

Comfort

7.5

Entertainment

6.8

Boarding

7.8

Food

7.3

Overall

7.7

Crew

8.3

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
338 reviews

Comfort

7.5

Entertainment

6.8

Boarding

7.8

Food

7.3

Overall

7.7

Crew

8.3

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
2,926 reviews
Thai Airways
7.7
Good
338 reviews

Comfort

7.5

Entertainment

6.8

Boarding

7.8

Food

7.3

Overall

7.7

Crew

8.3

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.
SpiceJet
4.9
Mediocre
88 reviews
Thai Airways
7.7
Good
338 reviews

Comfort

7.5

Entertainment

6.8

Boarding

7.8

Food

7.3

Overall

7.7

Crew

8.3

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 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 $281 on this airline. Additional options worth looking into are Nepal Airlines and SriLankan Airlines, starting at $284 and $285 round-trip. Air India is priced at 14% 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 ($154), Nepal Airlines ($173), and IndiGo ($196).

  • 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 $580, our data indicates the cheapest price to be $187. The most popular route (Kathmandu Tribhuvan - Bangkok Suvarnabhumi), is priced around $211.

  • 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 $952). Flying from Kathmandu to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,573). 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
Sattahip
Chonburi
Kanchanaburi
Cha-am
Ko Samet
Phetchaburi
Pak Chong
Ko Lan

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 Suvarnabhumi

See prices for flight routes from nearby airports that may be better suited for you.
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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest$171Average$265FlexibilityNo cancel feeOn-time87%
Thai Lion AirCheapest$206Average$306FlexibilityNo cancel feeOn-timeN/A
Air IndiaCheapest$280Average$422FlexibilityNo cancel feeOn-timeN/A
Nepal AirlinesCheapest$286Average$359FlexibilityNo cancel feeOn-timeN/A
Biman BangladeshCheapest$340Average$375FlexibilityNo cancel feeOn-time45%
Thai AirwaysCheapest$340Average$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.