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Cheap flights from Bangkok Suvarnabhumi Airport to Kathmandu from $207

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 13/10. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — KTM
3 Sep — 10 Sep1
1 adult

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 Monday or Tuesday and return on a Tuesday

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 29 August 2025.

Round-trip from

$553

One-way from

$207

Popular in

September

Cheapest in

January

Average price

$431

Good one-way deal

$362 or less
Air India
  • Air India
  • 9/9-13/9
  • 2 total stops
  • 35h 45m total
  • Bangkok to Kathmandu
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China Southern
  • China Southern
  • 13/10
  • 1 total stop
  • 10h 05m total
  • Bangkok to Kathmandu
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Highest demand for flights based on searches. 10% potential increase in price ($85 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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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 29 August 2025.

Tue 9/903:00BKK - KTM
1 stop10h 05mMultiple Airlines
Sat 13/917:30KTM - BKK
1 stop25h 40mMultiple Airlines
Deal found 27/8$553
Tue 14/1019:00BKK - KTM
1 stop18h 05mMultiple Airlines
Tue 21/1013:30KTM - BKK
Nonstop3h 30mMultiple Airlines
Deal found 28/8$558
Fri 19/916:45BKK - KTM
Nonstop3h 30mNepal Airlines
Mon 22/911:10KTM - BKK
Nonstop3h 20mNepal Airlines
Deal found 27/8$664
Fri 19/913:45BKK - KTM
1 stop23h 20mChina Southern
Mon 22/923:30KTM - BKK
1 stop9h 35mChina Southern
Deal found 27/8$667
Fri 26/916:45BKK - KTM
Nonstop3h 30mNepal Airlines
Wed 22/1011:10KTM - BKK
Nonstop3h 20mNepal Airlines
Deal found 28/8$674
Fri 19/916:45BKK - KTM
Nonstop3h 30mMultiple Airlines
Mon 22/907:35KTM - BKK
1 stop8h 05mMultiple Airlines
Deal found 27/8$717

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 29 August 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 9/9

03:00-11:50

1 stop10h 05m

Kathmandu Tribhuvan

Sat 13/9

17:30-20:25

1 stop25h 40m

$553

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Tue 14/10

19:00-11:50

1 stop18h 05m

Kathmandu Tribhuvan

Mon 20/10

00:35-05:20

Nonstop3h 30m

$556

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Tue 14/10

19:00-11:50

1 stop18h 05m

$207

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 15/9

11:20-11:50

1 stop25h 45m

$262

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 12/10

03:00-11:50

1 stop10h 05m

$264

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 15/12

22:25-13:00

1 stop15h 50m

$268

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 17/11

22:25-06:35

1 stop9h 25m

$270

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Tue 6/1

15:15-23:00

1 stop9h 00m

$311

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Wed 15/10

08:40-16:30

1 stop9h 05m

$313

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 16/11

22:25-09:05

1 stop11h 55m

$337

Flights are sorted by cheapest return flights first.

Deals found on 29/8

Showing 1-10 of 12 results
1
2

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 return 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, July is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Kathmandu (average of $706). Flying from Bangkok Suvarnabhumi Airport to Kathmandu in December is currently the most expensive (average of $1,220). 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 29 August 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 in the afternoon tend to be the most expensive. A flight at midday could potentially save you up to 29% on airfare.

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 29 August 2025.
Check out reviews from past customers who have flown with Thai AirAsia from Bangkok Suvarnabhumi Airport to Kathmandu to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai AirAsia
7.5
Good
218 reviews
Check prices

Food

6.1

Overall

7.5

Boarding

7.5

Crew

8.0

Entertainment

5.5

Comfort

6.8

Reviews

1 / 4
2.0
Mediocre

David,June 2025

DMK - HKT

Treat customers little heard animal, poor customer service obviously directed by the elitest and entitled Air Asia CEO
Thai AirAsia
7.5
Good
218 reviews
Thai AirAsia
7.5
Good
218 reviews
Check prices

Food

6.1

Overall

7.5

Boarding

7.5

Crew

8.0

Entertainment

5.5

Comfort

6.8

Reviews

1 / 4
2.0
Mediocre

David,June 2025

DMK - HKT

Treat customers little heard animal, poor customer service obviously directed by the elitest and entitled Air Asia CEO

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?

    Located just 4.1 km from the city centre, Kathmandu Tribhuvan is the airport most travellers will use when flying to Kathmandu from Bangkok Suvarnabhumi. Booking flights from Bangkok Suvarnabhumi to Tribhuvan (KTM) should be relatively easy as there are 2 daily inbound flights from Bangkok Suvarnabhumi from 3 different airlines.

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

    Cheapflights users have booked flights from Bangkok Suvarnabhumi Airport to Kathmandu round-trip from $323. Other airlines that can offer you cheap pricing are Thai AirAsia, from $332, and Nepal Airlines, from $582. These flights start at 29% lower than the current average price 3 months from now.

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

    On average you can expect to pay $395 for a flight from Bangkok Suvarnabhumi Airport to Kathmandu. The cheapest flight overall is $358 while the most popular route, (Bangkok Suvarnabhumi - Kathmandu Tribhuvan) is currently priced at $498.

  • 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 holiday 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, July is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Kathmandu (average of $706). Flying from Bangkok Suvarnabhumi Airport to Kathmandu in December is currently the most expensive (average of $1,220). 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

Travelling to a place near Kathmandu?

Book flights to Kathmandu if you plan to visit one of these locations
Nagarkot

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Kathmandu car hire
Kathmandu Tribhuvan Airport car hire

Top 3 airlines flying from Suvarnabhumi to Kathmandu

Discover the top 3 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 647,157 searches. Data last updated 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai Lion AirCheapest$323Average$433FlexibilityNo cancel feeOn-timeN/A
Search Thai Lion Air flights
Thai AirAsiaCheapest$332Average$424FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Nepal AirlinesCheapest$582Average$596FlexibilityNo cancel feeOn-timeN/A
Search Nepal Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Suvarnabhumi to Kathmandu?

Cheapflights makes it easy to find Suvarnabhumi to Kathmandu flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Suvarnabhumi to Kathmandu?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Kathmandu from Suvarnabhumi.

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?

Not ready to book yet? You can track prices for flights from Suvarnabhumi to Kathmandu on Cheapflights with our Price Alert feature and get notified when better prices are available.

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