Title: Cheap Flights from Samui Intl. Airport (USM) to Kathmandu (KTM) - Expedia.ca ![Golden Temple which includes a city](https://images.trvl-media.com/place/6114526/f9554142-18d4-40a8-a018-3ce60241ed63.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6114526/f9554142-18d4-40a8-a018-3ce60241ed63.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Samui Intl. Airport (USM) to Kathmandu (KTM) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Samui Intl. Airport (USM) to Tribhuvan Intl. Airport (KTM) - ![Malaysia Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_MH.svg) Malaysia Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:usm,to:ktm,departure:14/10/2025TANYT&leg2=from:ktm,to:usm,departure:21/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"MH"}}]) - ![Emirates](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EK.svg) Emirates [](https://www.expedia.ca/Flights-Search?leg1=from:usm,to:ktm,departure:14/10/2025TANYT&leg2=from:ktm,to:usm,departure:21/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EK"}}]) - ![Singapore Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_SQ.svg) Singapore Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:usm,to:ktm,departure:14/10/2025TANYT&leg2=from:ktm,to:usm,departure:21/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SQ"}}]) - ![Thai Airways International](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TG.svg) Thai Airways International [](https://www.expedia.ca/Flights-Search?leg1=from:usm,to:ktm,departure:14/10/2025TANYT&leg2=from:ktm,to:usm,departure:21/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TG"}}]) - ![Cathay Pacific](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_CX.svg) Cathay Pacific [](https://www.expedia.ca/Flights-Search?leg1=from:usm,to:ktm,departure:14/10/2025TANYT&leg2=from:ktm,to:usm,departure:21/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"CX"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Frequently asked questions ### How much is a flight from USM to KTM? > Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip journey between Ko Samui Airport and KTM was . Fares this good don't hang around forever, so make sure you 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 Ko Samui Airport (USM) to Tribhuvan Intl. Airport? > Each air carrier has its own terms and conditions. If you do decide to cancel, follow the simple instructions on our [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from Ko Samui Airport to Tribhuvan Intl. Airport that have flexible change policies? > Flights from USM to Tribhuvan Intl. Airport (KTM) offering flexible change policies are available with many airlines. Simply use our "No change fees" filter during your search. You'll only need to pay the cost difference between the two flights, without any added fees to worry about. ### How far is the flight from Ko Samui Airport (USM) to KTM? > The flying distance between USM (USM) and Tribhuvan Intl. Airport (KTM) (KTM) is 2,500 kilometres. Squeeze in a nap or bury your nose in a book and the trip will zip by. ### Which airlines fly direct from USM to Tribhuvan Intl. Airport? > You won't find any airlines flying directly between Ko Samui Airport and Tribhuvan Intl. Airport (KTM), so be prepared to make at least one stop on your journey. A layover, whether short or long, can be a good way to break up a trip! ### Are Ko Samui Airport (USM) to KTM flight tickets cheaper when they're purchased at the last minute? > Tickets from Ko Samui Airport (USM) to KTM are available up to a year before departure on Expedia. And although you may occasionally pick up a fantastic last-minute deal, it's never a sure thing. Also, booking your flights in advance means you'll have more choices — and you can avoid getting trapped in the dreaded middle seat! We're constantly updating our fares to make sure you get the biggest bargains, so check back often for all the latest specials. ## Travel information | Origin airport | Samui Intl. Airport | | --- | --- | | Destination airport | Tribhuvan Intl. | | Distance | 2524 km | ## Book with confidence ### Koh Samui to Kathmandu Flights **The easy way to book your flights from Samui Intl. Airport to Kathmandu**  With Expedia, it’s simple to find and book flights to Kathmandu from Samui Intl. Airport whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Tribhuvan Intl., 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 Samui Intl. Airport to Kathmandu today, tomorrow, or this week.   **Save dollars with cheap flights from Samui Intl. Airport, USM to Tribhuvan Intl., KTM**  Sort your search results by price to find great deals on your flight from Samui Intl. Airport to Kathmandu—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Kathmandu from Samui Intl. Airport currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Kathmandu   - 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 Kathmandu from Samui Intl. Airport**  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 Kathmandu with Expedia today. \*Available to Expedia members.