Cheap Flights from Kathmandu (KTM) to Samui Intl. Airport (USM)

View AU$593 flight on Sun, 11 Jan. 2026Opens in a new window

Popular airlines from Tribhuvan Intl. Airport (KTM) to Samui Intl. Airport (USM)

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Cheap Flights from Kathmandu (KTM) to Samui Intl. Airport (USM)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Singapore Airlines
Sat, 23 Aug. - Wed, 27 Aug.
KTM
Kathmandu
USM
Koh Samui
AU$1,788 Return, found 1 day ago
AU$1,788
Return
found 1 day ago
Select Singapore Airlines flight, departing Sat, 23 Aug. from Kathmandu to Koh Samui, returning Wed, 27 Aug., priced at AU$1,788 found 1 day ago
Singapore Airlines
Sat, 23 Aug. - Wed, 27 Aug.
KTM
Kathmandu
USM
Koh Samui
AU$1,894 Return, found 1 day ago
AU$1,894
Return
found 1 day ago
Select Singapore Airlines flight, departing Sat, 23 Aug. from Kathmandu to Koh Samui, returning Wed, 27 Aug., priced at AU$1,894 found 1 day ago
Singapore Airlines
Sat, 23 Aug. - Wed, 27 Aug.
KTM
Kathmandu
USM
Koh Samui
AU$2,261 Return, found 1 day ago
AU$2,261
Return
found 1 day ago
Select Singapore Airlines flight, departing Sat, 23 Aug. from Kathmandu to Koh Samui, returning Wed, 27 Aug., priced at AU$2,261 found 1 day ago
Singapore Airlines
Sat, 23 Aug. - Wed, 27 Aug.
KTM
Kathmandu
USM
Koh Samui
AU$2,349 Return, found 1 day ago
AU$2,349
Return
found 1 day ago
Select Singapore Airlines flight, departing Sat, 23 Aug. from Kathmandu to Koh Samui, returning Wed, 27 Aug., priced at AU$2,349 found 1 day ago
Singapore Airlines
Sat, 23 Aug. - Wed, 27 Aug.
KTM
Kathmandu
USM
Koh Samui
AU$2,413 Return, found 1 day ago
AU$2,413
Return
found 1 day ago
Select Singapore Airlines flight, departing Sat, 23 Aug. from Kathmandu to Koh Samui, returning Wed, 27 Aug., priced at AU$2,413 found 1 day ago
Thai Airways International
Sat, 23 Aug. - Wed, 27 Aug.
KTM
Kathmandu
USM
Koh Samui
AU$3,685 Return, found 1 day ago
AU$3,685
Return
found 1 day ago
Select Thai Airways International flight, departing Sat, 23 Aug. from Kathmandu to Koh Samui, returning Wed, 27 Aug., priced at AU$3,685 found 1 day ago
Thai Airways International
Sat, 23 Aug. - Wed, 27 Aug.
KTM
Kathmandu
USM
Koh Samui
AU$3,700 Return, found 1 day ago
AU$3,700
Return
found 1 day ago
Select Thai Airways International flight, departing Sat, 23 Aug. from Kathmandu to Koh Samui, returning Wed, 27 Aug., priced at AU$3,700 found 1 day ago
Thai Airways International
Sat, 23 Aug. - Wed, 27 Aug.
KTM
Kathmandu
USM
Koh Samui
AU$3,843 Return, found 1 day ago
AU$3,843
Return
found 1 day ago
Select Thai Airways International flight, departing Sat, 23 Aug. from Kathmandu to Koh Samui, returning Wed, 27 Aug., priced at AU$3,843 found 1 day ago
Sichuan Airlines
Sat, 23 Aug. - Wed, 27 Aug.
KTM
Kathmandu
USM
Koh Samui
AU$4,438 Return, found 1 day ago
AU$4,438
Return
found 1 day ago
Select Sichuan Airlines flight, departing Sat, 23 Aug. from Kathmandu to Koh Samui, returning Wed, 27 Aug., priced at AU$4,438 found 1 day ago
Malaysia Airlines
Sat, 23 Aug. - Wed, 27 Aug.
KTM
Kathmandu
USM
Koh Samui
AU$4,672 Return, found 1 day ago
AU$4,672
Return
found 1 day ago
Select Malaysia Airlines flight, departing Sat, 23 Aug. from Kathmandu to Koh Samui, returning Wed, 27 Aug., priced at AU$4,672 found 1 day ago
Flight from Kathmandu to Samui Intl. Airport route information
Origin airport
Tribhuvan Intl.
Destination airport
Samui Intl. Airport
Return price
AU$1,787
Distance
2524 km

Your quick guide to flights from Kathmandu to Samui Intl. Airport

Pick up great flights from Kathmandu to Samui Intl. Airport

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Kathmandu to Samui Intl. Airport. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Kathmandu to Samui Intl. Airport that take around hours.

Find cheap flights from Kathmandu to Samui Intl. Airport

From the great flight deals with prices currently ranging from AU$1,788 to AU$4,672, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Kathmandu to Samui Intl. Airport around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Samui Intl. Airport is normally in August.

Reasons to book your flight from Kathmandu to Samui Intl. Airport with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Kathmandu to Samui Intl. Airport across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Samui Intl. Airport right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from Tribhuvan Intl. Airport to USM?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip journey between Tribhuvan Intl. Airport (KTM) and Samui Airport was AU$1,788. Cheap fares don't last forever, so book yours today. 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 (KTM) to Ko Samui Airport?
Each airline has its own set of terms and conditions. If you decide to cancel your holiday, head to our Customer Service Portal.
How do I find cheap flights from Tribhuvan Intl. Airport to Samui 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 to Samui 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 Ko Samui Airport (USM)?
It's around 2 500 kilometres from Kathmandu to Koh Samui, so expect to be strapped into your seat for a while. Keep yourself occupied by packing things like crossword puzzles or a thrilling novel.
Which airlines fly direct from Tribhuvan Intl. Airport (KTM) to Ko Samui Airport?
At present, no airlines offer flights directly from Tribhuvan Intl. Airport to Samui Airport. You'll have to book a flight with at least one stop. To get the best connections and price, lock in your airfare well in advance.
Are Tribhuvan Intl. Airport to Ko Samui Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to nab amazing last-minute deals from KTM to Ko Samui Airport (USM), but it's also possible to miss out altogether! As many airlines release seats up to a year in advance, it's worthwhile keeping an eye on fares early and being ready to pounce when you spot a bargain. Expedia compares air carrier prices and updates flight deals all the time, so you can feel confident knowing you're always getting the latest offers.

Explore a world of travel with Expedia

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