CA $573 Cheap Flights from Kathmandu (KTM) to Samui Intl. Airport (USM)

View CA $573 flight on Tue, Sep. 2, 2025Opens 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 and start at CA $573 for one-way flights and CA $959 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai Airways International
Tue, Sep. 2 - Sat, Sep. 6
KTM
Kathmandu
USM
Koh Samui
CA $959 Roundtrip, found 6 days ago
CA $959
Roundtrip
found 6 days ago
Select Thai Airways International flight, departing Tue, Sep. 2 from Kathmandu to Koh Samui, returning Sat, Sep. 6, priced at CA $959 found 6 days ago
Thai Airways International
Tue, Sep. 2 - Sat, Sep. 6
KTM
Kathmandu
USM
Koh Samui
CA $964 Roundtrip, found 6 days ago
CA $964
Roundtrip
found 6 days ago
Select Thai Airways International flight, departing Tue, Sep. 2 from Kathmandu to Koh Samui, returning Sat, Sep. 6, priced at CA $964 found 6 days ago
Thai Airways International
Tue, Sep. 2 - Sat, Sep. 6
KTM
Kathmandu
USM
Koh Samui
CA $973 Roundtrip, found 6 days ago
CA $973
Roundtrip
found 6 days ago
Select Thai Airways International flight, departing Tue, Sep. 2 from Kathmandu to Koh Samui, returning Sat, Sep. 6, priced at CA $973 found 6 days ago
Thai Airways International
Tue, Sep. 2 - Sat, Sep. 6
KTM
Kathmandu
USM
Koh Samui
CA $978 Roundtrip, found 6 days ago
CA $978
Roundtrip
found 6 days ago
Select Thai Airways International flight, departing Tue, Sep. 2 from Kathmandu to Koh Samui, returning Sat, Sep. 6, priced at CA $978 found 6 days ago
Thai Airways International
Tue, Sep. 2 - Sat, Sep. 6
KTM
Kathmandu
USM
Koh Samui
CA $1,030 Roundtrip, found 6 days ago
CA $1,030
Roundtrip
found 6 days ago
Select Thai Airways International flight, departing Tue, Sep. 2 from Kathmandu to Koh Samui, returning Sat, Sep. 6, priced at CA $1,030 found 6 days ago
Thai Airways International
Tue, Sep. 2 - Sat, Sep. 6
KTM
Kathmandu
USM
Koh Samui
CA $1,036 Roundtrip, found 6 days ago
CA $1,036
Roundtrip
found 6 days ago
Select Thai Airways International flight, departing Tue, Sep. 2 from Kathmandu to Koh Samui, returning Sat, Sep. 6, priced at CA $1,036 found 6 days ago
Thai Airways International
Tue, Sep. 2 - Sat, Sep. 6
KTM
Kathmandu
USM
Koh Samui
CA $1,044 Roundtrip, found 6 days ago
CA $1,044
Roundtrip
found 6 days ago
Select Thai Airways International flight, departing Tue, Sep. 2 from Kathmandu to Koh Samui, returning Sat, Sep. 6, priced at CA $1,044 found 6 days ago
Thai Airways International
Tue, Sep. 2 - Sat, Sep. 6
KTM
Kathmandu
USM
Koh Samui
CA $1,050 Roundtrip, found 6 days ago
CA $1,050
Roundtrip
found 6 days ago
Select Thai Airways International flight, departing Tue, Sep. 2 from Kathmandu to Koh Samui, returning Sat, Sep. 6, priced at CA $1,050 found 6 days ago
Thai Airways International
Tue, Sep. 2 - Sat, Sep. 6
KTM
Kathmandu
USM
Koh Samui
CA $1,260 Roundtrip, found 6 days ago
CA $1,260
Roundtrip
found 6 days ago
Select Thai Airways International flight, departing Tue, Sep. 2 from Kathmandu to Koh Samui, returning Sat, Sep. 6, priced at CA $1,260 found 6 days ago
Singapore Airlines
Tue, Sep. 2 - Sat, Sep. 6
KTM
Kathmandu
USM
Koh Samui
CA $1,361 Roundtrip, found 6 days ago
CA $1,361
Roundtrip
found 6 days ago
Select Singapore Airlines flight, departing Tue, Sep. 2 from Kathmandu to Koh Samui, returning Sat, Sep. 6, priced at CA $1,361 found 6 days ago
Flight from Kathmandu to Samui Intl. Airport (KTM - USM) route information
Origin airport
Tribhuvan Intl.
Destination airport
Samui Intl. Airport
Roundtrip price
CA $958
Distance
2524 km

Kathmandu to Koh Samui Flights

The easy way to book your flights from Kathmandu to Samui Intl. Airport 

With Expedia, it’s simple to find and book flights to Samui Intl. Airport from Kathmandu whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Samui Intl. Airport, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Kathmandu to Samui Intl. Airport today, tomorrow, or this week.  

 

Save dollars with cheap flights from Tribhuvan Intl., KTM to Samui Intl. Airport, USM 

Sort your search results by price to find great deals on your flight from Kathmandu to Samui Intl. Airport—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Samui Intl. Airport from Kathmandu currently is just CA $959 rising to CA $2,559.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Samui Intl. Airport  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Samui Intl. Airport from Kathmandu 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Samui Intl. Airport with Expedia today.

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 CA $959. 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 vacation, 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 kilometers 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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