Cheap Flights from Kathmandu (KTM) to Bangkok (BKK) from HK$1,400~

View HK$1,400 flight on Sun, 11 Jan 2026Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at HK$1,400 for one-way flights and HK$2,583 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air India
Thu, 28 Aug - Mon, 1 Sep
KTM
Kathmandu
BKK
Bangkok
HK$2,583 Return, found 6 hours ago
HK$2,583
Return
found 6 hours ago
Select Air India flight, departing Thu, 28 Aug from Kathmandu to Bangkok, returning Mon, 1 Sep, priced at HK$2,583 found 6 hours ago
Air India
Thu, 28 Aug - Mon, 1 Sep
KTM
Kathmandu
BKK
Bangkok
HK$2,661 Return, found 6 hours ago
HK$2,661
Return
found 6 hours ago
Select Air India flight, departing Thu, 28 Aug from Kathmandu to Bangkok, returning Mon, 1 Sep, priced at HK$2,661 found 6 hours ago
Air India
Thu, 28 Aug - Mon, 1 Sep
KTM
Kathmandu
BKK
Bangkok
HK$2,733 Return, found 6 hours ago
HK$2,733
Return
found 6 hours ago
Select Air India flight, departing Thu, 28 Aug from Kathmandu to Bangkok, returning Mon, 1 Sep, priced at HK$2,733 found 6 hours ago
Air India
Thu, 28 Aug - Mon, 1 Sep
KTM
Kathmandu
BKK
Bangkok
HK$2,751 Return, found 6 hours ago
HK$2,751
Return
found 6 hours ago
Select Air India flight, departing Thu, 28 Aug from Kathmandu to Bangkok, returning Mon, 1 Sep, priced at HK$2,751 found 6 hours ago
Air India
Mon, 29 Sep - Mon, 6 Oct
KTM
Kathmandu
BKK
Bangkok
HK$2,773 Return, found 4 days ago
HK$2,773
Return
found 4 days ago
Select Air India flight, departing Mon, 29 Sep from Kathmandu to Bangkok, returning Mon, 6 Oct, priced at HK$2,773 found 4 days ago
Thai Airways International
Thu, 9 Oct - Mon, 13 Oct
KTM
Kathmandu
BKK
Bangkok
HK$2,803 Return, found 6 hours ago
HK$2,803
Return
found 6 hours ago
Select Thai Airways International flight, departing Thu, 9 Oct from Kathmandu to Bangkok, returning Mon, 13 Oct, priced at HK$2,803 found 6 hours ago
Air India
Thu, 28 Aug - Mon, 1 Sep
KTM
Kathmandu
BKK
Bangkok
HK$2,815 Return, found 6 hours ago
HK$2,815
Return
found 6 hours ago
Select Air India flight, departing Thu, 28 Aug from Kathmandu to Bangkok, returning Mon, 1 Sep, priced at HK$2,815 found 6 hours ago
SriLankan Airlines
Wed, 27 Aug - Sun, 31 Aug
KTM
Kathmandu
BKK
Bangkok
HK$2,876 Return, found 1 day ago
HK$2,876
Return
found 1 day ago
Select SriLankan Airlines flight, departing Wed, 27 Aug from Kathmandu to Bangkok, returning Sun, 31 Aug, priced at HK$2,876 found 1 day ago
Biman Bangladesh
Thu, 9 Oct - Mon, 13 Oct
KTM
Kathmandu
BKK
Bangkok
HK$3,355 Return, found 6 hours ago
HK$3,355
Return
found 6 hours ago
Select Biman Bangladesh flight, departing Thu, 9 Oct from Kathmandu to Bangkok, returning Mon, 13 Oct, priced at HK$3,355 found 6 hours ago
Singapore Airlines
Tue, 14 Oct - Tue, 18 Nov
KTM
Kathmandu
BKK
Bangkok
HK$4,562 Return, found 1 day ago
HK$4,562
Return
found 1 day ago
Select Singapore Airlines flight, departing Tue, 14 Oct from Kathmandu to Bangkok, returning Tue, 18 Nov, priced at HK$4,562 found 1 day ago

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

August is typically the cheapest month to fly

From HK$1,395 - HK$4,265 per traveller.

Graph displaying average flight prices per month

Kathmandu to Bangkok route information
Origin airport
Tribhuvan Intl.
Destination airport
Suvarnabhumi Intl.
Airlines serving
Air India, Biman Bangladesh, Cathay Pacific, China Southern Airlines, Emirates, Etihad Airways, Malaysia Airlines, Sichuan Airlines, Singapore Airlines, SriLankan Airlines, Thai Airways International
Return price
HK$2,583
Distance
2216 km
Average flight time
4 hours 41 mins

Flights from Kathmandu to Bangkok

Book cheap flights from Kathmandu (KTM) to Bangkok (BKK) 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 Kathmandu (KTM) to Bangkok (BKK) 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 Kathmandu (KTM) to Bangkok (BKK) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

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

If you would like to book flights to Bangkok more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Bangkok is HK$1,400 now!

 

Frequently asked questions

How much is a flight from KTM to Suvarnabhumi Airport?
The lowest price advertised for a round-trip flight from Tribhuvan Intl. Airport to BKK is HK$2,583. But you better get a move on. This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Tribhuvan Intl. Airport to Bangkok Airport?
The majority of flights can be canceled online, but every airline has a different set of terms and conditions. If you do need to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Tribhuvan Intl. Airport to Suvarnabhumi Airport 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 Tribhuvan Intl. Airport (KTM) to Bangkok Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Tribhuvan Intl. Airport (KTM) to BKK?
The flying distance between Tribhuvan Intl. Airport and Bangkok Airport is 2,200 kilometers. Listen to some music or make a start on the latest bestseller and the trip will whiz by.
Which airlines fly direct from Tribhuvan Intl. Airport to Bangkok Airport?
One airline that flies from Tribhuvan Intl. Airport (KTM) to BKK is Thai Smile (WE). It offers 30 flights a month. After some more options? Check out the seats available with Nepal Airlines (RA). This carrier offers 13 monthly flights between these destinations.
Are Tribhuvan Intl. Airport to BKK flight tickets cheaper when they're purchased at the last minute?
Flight tickets from Tribhuvan Intl. Airport to Suvarnabhumi Airport are available up to 12 months before departure on Expedia. And although you may occasionally score fantastic last-minute deals, it's not something you should bank on. Also, booking your flights ahead of time means you'll have more choices — and you can avoid getting stuck in the dreaded middle seat! We're always updating our fares to make sure you get the biggest bargains, so keep checking in for all the latest specials.

Explore a world of travel with Expedia

*Available to Expedia members.