Cheap Flights from Bangkok (BKK) to Kathmandu (KTM) from HK$1,438~

View HK$1,438 flight on Tue, 2 Sep 2025Opens in a new window

Popular airlines from Suvarnabhumi Intl. Airport (BKK) to Tribhuvan Intl. Airport (KTM)

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Find Cheap Flights from Bangkok (BKK) to Kathmandu (KTM)

Prices were available within the past 7 days and start at HK$1,438 for one-way flights and HK$2,849 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Southern Airlines
Wed, 3 Sep - Mon, 8 Sep
BKK
Bangkok
KTM
Kathmandu
HK$2,849 Return, found 5 days ago
HK$2,849
Return
found 5 days ago
Select China Southern Airlines flight, departing Wed, 3 Sep from Bangkok to Kathmandu, returning Mon, 8 Sep, priced at HK$2,849 found 5 days ago
China Southern Airlines
Wed, 3 Sep - Mon, 8 Sep
BKK
Bangkok
KTM
Kathmandu
HK$2,935 Return, found 5 days ago
HK$2,935
Return
found 5 days ago
Select China Southern Airlines flight, departing Wed, 3 Sep from Bangkok to Kathmandu, returning Mon, 8 Sep, priced at HK$2,935 found 5 days ago
SriLankan Airlines
Wed, 3 Sep - Mon, 8 Sep
BKK
Bangkok
KTM
Kathmandu
HK$3,074 Return, found 5 days ago
HK$3,074
Return
found 5 days ago
Select SriLankan Airlines flight, departing Wed, 3 Sep from Bangkok to Kathmandu, returning Mon, 8 Sep, priced at HK$3,074 found 5 days ago
Air India
Wed, 3 Sep - Mon, 8 Sep
BKK
Bangkok
KTM
Kathmandu
HK$4,075 Return, found 5 days ago
HK$4,075
Return
found 5 days ago
Select Air India flight, departing Wed, 3 Sep from Bangkok to Kathmandu, returning Mon, 8 Sep, priced at HK$4,075 found 5 days ago
Sichuan Airlines
Fri, 8 Aug - Fri, 15 Aug
BKK
Bangkok
KTM
Kathmandu
HK$4,249 Return, found 2 days ago
HK$4,249
Return
found 2 days ago
Select Sichuan Airlines flight, departing Fri, 8 Aug from Bangkok to Kathmandu, returning Fri, 15 Aug, priced at HK$4,249 found 2 days ago
Biman Bangladesh
Fri, 12 Sep - Wed, 22 Oct
BKK
Bangkok
KTM
Kathmandu
HK$4,250 Return, found 2 days ago
HK$4,250
Return
found 2 days ago
Select Biman Bangladesh flight, departing Fri, 12 Sep from Bangkok to Kathmandu, returning Wed, 22 Oct, priced at HK$4,250 found 2 days ago
Thai Airways International
Wed, 3 Sep - Mon, 8 Sep
BKK
Bangkok
KTM
Kathmandu
HK$4,334 Return, found 5 days ago
HK$4,334
Return
found 5 days ago
Select Thai Airways International flight, departing Wed, 3 Sep from Bangkok to Kathmandu, returning Mon, 8 Sep, priced at HK$4,334 found 5 days ago
Malaysia Airlines
Fri, 8 Aug - Fri, 15 Aug
BKK
Bangkok
KTM
Kathmandu
HK$4,529 Return, found 2 days ago
HK$4,529
Return
found 2 days ago
Select Malaysia Airlines flight, departing Fri, 8 Aug from Bangkok to Kathmandu, returning Fri, 15 Aug, priced at HK$4,529 found 2 days ago
China Eastern Airlines
Wed, 3 Sep - Mon, 8 Sep
BKK
Bangkok
KTM
Kathmandu
HK$4,688 Return, found 5 days ago
HK$4,688
Return
found 5 days ago
Select China Eastern Airlines flight, departing Wed, 3 Sep from Bangkok to Kathmandu, returning Mon, 8 Sep, priced at HK$4,688 found 5 days ago
IndiGo
Wed, 24 Sep - Mon, 6 Oct
BKK
Bangkok
KTM
Kathmandu
HK$5,127 Return, found 6 days ago
HK$5,127
Return
found 6 days ago
Select IndiGo flight, departing Wed, 24 Sep from Bangkok to Kathmandu, returning Mon, 6 Oct, priced at HK$5,127 found 6 days ago

Find the cheapest month to fly from Bangkok (BKK) to Kathmandu (KTM)

November is typically the cheapest month to fly

From HK$1,746 - HK$4,309 per traveller.

Graph displaying average flight prices per month

Bangkok to Kathmandu route information
Origin airport
Don Mueang Intl.
Destination airport
Tribhuvan Intl.
Airlines serving
Air India, Biman Bangladesh, China Southern Airlines, Emirates, Etihad Airways, Thai Airways International
Return price
HK$2,085
Distance
2186 km
Average flight time
2 hours 11 mins

Flights from Bangkok to Kathmandu

Book cheap flights from Bangkok (BKK) to Kathmandu (KTM) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Bangkok (BKK) to Kathmandu (KTM) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Bangkok (BKK) to Kathmandu (KTM) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Kathmandu flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Kathmandu and things to do in Kathmandu for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Kathmandu more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Kathmandu is HK$1,438 now!

 

Frequently asked questions

How much is a flight from Suvarnabhumi Intl. Airport (BKK) to Tribhuvan Intl. Airport?
Round-trip tickets from Suvarnabhumi Airport to Tribhuvan Intl. Airport (KTM) start from HK$2,849. This price is based on fares advertised within the last 7 days on Expedia for flights departing within the next year — book today to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Suvarnabhumi Airport to Tribhuvan Intl. Airport (KTM)?
This can differ between air carriers, as each one has its own set of terms and conditions. Visit the Customer Service Portal, where you'll find instructions on how to cancel online.
How do I find cheap flights from Suvarnabhumi Intl. Airport (BKK) to KTM that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Bangkok Airport to Tribhuvan Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Suvarnabhumi Airport to KTM?
The flight distance from BKK to KTM is 2,200 kilometers. Pack yourself a drink, a few snacks and a few good podcasts. Keep yourself busy in the air and time will zip by.
Which airlines fly direct from BKK to Tribhuvan Intl. Airport (KTM)?
A popular airline that services the route from Suvarnabhumi Airport to Tribhuvan Intl. Airport (KTM) is Thai Smile (WE). It offers 30 flights a month. Operating 13 flights each month along this route, Nepal Airlines (RA) is another good choice.
Are BKK to Tribhuvan Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Fares from Suvarnabhumi Airport to Tribhuvan Intl. Airport (KTM) are available up to 12 months prior to departure on Expedia. And although you may nab a great last-minute deal, it's not something you should count on. Also, booking your flights well in advance means you'll have more choices — and you can avoid getting stuck in the dreaded middle seat! We regularly update our fares to bring you the biggest bargains, so keep checking in for all the latest specials.

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