S$273 Cheap Flights from Bangkok to Kathmandu

View S$273 flight on Fri, 5 Jun, 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Bangkok to Kathmandu (BKK-KTM)

Prices were available within the past 7 days and start at S$273 for one-way flights and S$573 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air India
Fri, 6 Nov - Mon, 16 Nov
BKK
Bangkok
KTM
Kathmandu
S$573 Return, found 6 days ago
S$573
Return
found 6 days ago
Select Air India flight, departing Fri, 6 Nov from Bangkok to Kathmandu, returning Mon, 16 Nov, priced at S$573 found 6 days ago
Air India Express
Wed, 17 Jun - Wed, 24 Jun
BKK
Bangkok
KTM
Kathmandu
S$610 Return, found 9 hours ago
S$610
Return
found 9 hours ago
Select Air India Express flight, departing Wed, 17 Jun from Bangkok to Kathmandu, returning Wed, 24 Jun, priced at S$610 found 9 hours ago
IndiGo
Tue, 7 Jul - Fri, 31 Jul
BKK
Bangkok
KTM
Kathmandu
S$624 Return, found 1 day ago
S$624
Return
found 1 day ago
Select IndiGo flight, departing Tue, 7 Jul from Bangkok to Kathmandu, returning Fri, 31 Jul, priced at S$624 found 1 day ago
SriLankan Airlines
Wed, 5 Aug - Wed, 12 Aug
BKK
Bangkok
KTM
Kathmandu
S$649 Return, found 9 hours ago
S$649
Return
found 9 hours ago
Select SriLankan Airlines flight, departing Wed, 5 Aug from Bangkok to Kathmandu, returning Wed, 12 Aug, priced at S$649 found 9 hours ago
China Eastern Airlines
Thu, 28 May - Thu, 4 Jun
BKK
Bangkok
KTM
Kathmandu
S$794 Return, found 4 days ago
S$794
Return
found 4 days ago
Select China Eastern Airlines flight, departing Thu, 28 May from Bangkok to Kathmandu, returning Thu, 4 Jun, priced at S$794 found 4 days ago
China Southern Airlines
Wed, 5 Aug - Wed, 12 Aug
BKK
Bangkok
KTM
Kathmandu
S$801 Return, found 9 hours ago
S$801
Return
found 9 hours ago
Select China Southern Airlines flight, departing Wed, 5 Aug from Bangkok to Kathmandu, returning Wed, 12 Aug, priced at S$801 found 9 hours ago
Sichuan Airlines
Wed, 13 May - Wed, 20 May
BKK
Bangkok
KTM
Kathmandu
S$857 Return, found 4 days ago
S$857
Return
found 4 days ago
Select Sichuan Airlines flight, departing Wed, 13 May from Bangkok to Kathmandu, returning Wed, 20 May, priced at S$857 found 4 days ago
Biman Bangladesh
Mon, 12 Oct - Fri, 16 Oct
BKK
Bangkok
KTM
Kathmandu
S$860 Return, found 1 day ago
S$860
Return
found 1 day ago
Select Biman Bangladesh flight, departing Mon, 12 Oct from Bangkok to Kathmandu, returning Fri, 16 Oct, priced at S$860 found 1 day ago
Malaysia Airlines
Tue, 7 Jul - Fri, 31 Jul
BKK
Bangkok
KTM
Kathmandu
S$866 Return, found 1 day ago
S$866
Return
found 1 day ago
Select Malaysia Airlines flight, departing Tue, 7 Jul from Bangkok to Kathmandu, returning Fri, 31 Jul, priced at S$866 found 1 day ago
Cathay Pacific
Tue, 7 Jul - Fri, 31 Jul
BKK
Bangkok
KTM
Kathmandu
S$1,162 Return, found 1 day ago
S$1,162
Return
found 1 day ago
Select Cathay Pacific flight, departing Tue, 7 Jul from Bangkok to Kathmandu, returning Fri, 31 Jul, priced at S$1,162 found 1 day ago

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

June is typically the cheapest month to fly

From S$270 - S$623 per traveller.

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 S$573. 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 kilometres. 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.

Travel information

Origin airport
Suvarnabhumi Intl.
Destination airport
Tribhuvan Intl.
Airlines serving
Air India, Air India Express, Cathay Pacific, China Southern Airlines, Emirates, IndiGo, Malaysia Airlines, Sichuan Airlines, SriLankan Airlines
Return price
S$573
Distance
2216 km
Average flight time
2 hours 11 mins

Explore a world of travel with Expedia

*Available to Expedia members.