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Cheap flights from Bangkok Suvarnabhumi Airport to Kathmandu from C$ 243

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 26/10. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — KTM
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 Monday 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 11 September 2025.

Round-trip from

C$ 502

One-way from

C$ 243

Popular in

September

Cheapest in

January

Average price

C$ 520
Malaysia Airlines
  • Malaysia Airlines
  • 6/1-18/1
  • 2 total stops
  • 30h 45m total
  • Bangkok to Kathmandu
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China Southern
  • China Southern
  • 26/10
  • 1 total stop
  • 10h 35m total
  • Bangkok to Kathmandu
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 60 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 15 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 11 September 2025.

Sun 16/116:55 p.m.BKK - KTM
1 stop17h 50mMultiple Airlines
Mon 24/116:30 a.m.KTM - BKK
1 stop9h 10mMultiple Airlines
Deal found 10/9C$ 564
Sun 16/112:10 a.m.BKK - KTM
1 stop10h 35mChina Southern
Mon 24/1112:30 p.m.KTM - BKK
1 stop8h 45mChina Southern
Deal found 10/9C$ 651
Sun 16/119:15 p.m.BKK - KTM
Nonstop3h 25mThai Airways
Sun 23/1112:25 a.m.KTM - BKK
Nonstop3h 30mThai Airways
Deal found 10/9C$ 668
Mon 17/118:40 a.m.BKK - KTM
1 stop15h 35mAir India
Mon 24/116:30 a.m.KTM - BKK
1 stop12h 40mAir India
Deal found 10/9C$ 710

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 629,999 searches. Data last updated 11 September 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 6/1

5:40 a.m.-9:45 p.m.

1 stop17h 20m

Kathmandu Tribhuvan

Sun 18/1

10:45 p.m.-1:25 p.m.

1 stop13h 25m

C$ 502

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Fri 30/1

8:40 p.m.-9:50 a.m.

2 stops14h 25m

Kathmandu Tribhuvan

Sun 15/3

12:25 a.m.-5:10 a.m.

Nonstop3h 30m

C$ 643

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 16/11

2:10 a.m.-11:30 a.m.

1 stop10h 35m

Kathmandu Tribhuvan

Mon 24/11

12:30 p.m.-10:30 p.m.

1 stop8h 45m

C$ 651

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 16/11

10:30 p.m.-4:00 p.m.

3 stops18h 45m

Kathmandu Tribhuvan

Sun 23/11

12:25 a.m.-5:10 a.m.

Nonstop3h 30m

C$ 689

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 8/3

2:10 a.m.-11:30 a.m.

1 stop10h 35m

Kathmandu Tribhuvan

Sun 15/3

12:30 p.m.-1:05 a.m.

1 stop11h 20m

C$ 790

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Wed 19/11

6:40 p.m.-9:45 p.m.

1 stop28h 20m

Kathmandu Tribhuvan

Sun 23/11

10:45 p.m.-1:25 p.m.

1 stop13h 25m

C$ 1,136

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 9/3

8:55 a.m.-6:35 a.m.

2 stops22h 55m

Kathmandu Tribhuvan

Sun 15/3

6:30 a.m.-5:55 a.m.

2 stops22h 10m

C$ 1,596

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 27/10

1:55 p.m.-11:30 a.m.

1 stop22h 50m

C$ 244

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 27/10

9:15 p.m.-11:25 p.m.

Nonstop3h 25m

C$ 351

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 27/10

10:20 p.m.-8:40 p.m.

2 stops23h 35m

C$ 374

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 17 results
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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, May is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Kathmandu (average of C$ 1,397). Flying from Bangkok Suvarnabhumi Airport to Kathmandu in December is currently the most expensive (average of C$ 1,919). 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 11 September 2025.

One of the essential ways to save on airfare from Bangkok Suvarnabhumi Airport to Kathmandu is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 22% on airfare.

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 11 September 2025.
Read reviews from past customers who have flown Thai Airways and Thai AirAsia from Bangkok Suvarnabhumi Airport to Kathmandu. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai Airways
7.8
Good
350 reviews
Check prices

Boarding

7.9

Crew

8.3

Entertainment

6.9

Overall

7.8

Comfort

7.5

Food

7.3

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
7.8
Good
350 reviews
Thai Airways
7.8
Good
350 reviews
Check prices

Boarding

7.9

Crew

8.3

Entertainment

6.9

Overall

7.8

Comfort

7.5

Food

7.3

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 AirAsia
7.5
Good
216 reviews
Thai Airways
7.8
Good
350 reviews
Check prices

Boarding

7.9

Crew

8.3

Entertainment

6.9

Overall

7.8

Comfort

7.5

Food

7.3

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 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?

    Most people fly into Kathmandu Tribhuvan (KTM) if they book a flight to Kathmandu from Bangkok Suvarnabhumi. On average, Tribhuvan has 2 inbound flights from Bangkok Suvarnabhumi per day from 2 airlines. Kathmandu Tribhuvan is conveniently located just 4.1 km from Kathmandu’s city centre.

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

    For as low as C$ 651, Malaysia Airlines can have you in Kathmandu from Bangkok Suvarnabhumi Airport in 10h 35m. Bangkok Suvarnabhumi Airport and Kathmandu are separated by a distance of 2227 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Thai AirAsia, at C$ 298, was found to be the cheapest airline from Bangkok Suvarnabhumi Airport to Kathmandu. An alternate airline flying to your destination would be Thai Airways. You may be able to fly from Bangkok Suvarnabhumi Airport to Kathmandu for 28% less than the average price by searching for these airlines.

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

    For one-way options, check prices for China Southern. According to our data, you can fly for as low as C$ 244. Users have also found prices from C$ 351 and C$ 474 on Thai Airways and China Eastern, respectively.

  • 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, May is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Kathmandu (average of C$ 1,397). Flying from Bangkok Suvarnabhumi Airport to Kathmandu in December is currently the most expensive (average of C$ 1,919). 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

Browse thousands of different options on Cheapflights for your next trip

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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 2 airlines flying from Suvarnabhumi to Kathmandu

Discover the top 2 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 629,999 searches. Data last updated 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapestC$ 298AverageC$ 425FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Thai AirwaysCheapestC$ 659AverageC$ 764FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

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Can Cheapflights find flights from Suvarnabhumi to Kathmandu with no change fees?

Need flexible booking options for your flight to Kathmandu from Suvarnabhumi? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Suvarnabhumi to Kathmandu become cheaper?

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