Cheap flights from Ko Samui to Kathmandu from ฿19,104
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Ko Samui to Kathmandu
Discover tips and strategies to find the most affordable flight options for your journey from Ko Samui (USM) to Kathmandu (KTM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 July 2025.
Find flight deals from Ko Samui to Kathmandu
Cheapest flights from Ko Samui to KathmanduExplore the most affordable flight options available from Ko Samui to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 July 2025.
Explore the most affordable flight options available from Ko Samui to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Ko Samui to Kathmandu that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 15 July 2025.
Use the filters below to find and compare flights from Ko Samui to Kathmandu that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Ko SamuiKathmandu
USM - KTM
USMKTM
Ko Samui
Sun 24/8
06:55-14:00
1 stop8h 20m
Kathmandu Tribhuvan
Sun 31/8
15:00-10:35
1 stop18h 20m
Best time to book a flight from Ko Samui to Kathmandu
Have a flexible travel schedule? Discover the best time to fly to Kathmandu from Ko Samui with our price prediction graph.
Related info for your journey
Find useful and relevant information for your journey from Ko Samui to Kathmandu. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ko Samui to Kathmandu
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How does Cheapflights help users find flights from Ko Samui to Kathmandu?
Deals for Ko Samui to Kathmandu flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Ko Samui to Kathmandu?
Cheapflights helps you find that perfect flight to Kathmandu from Ko Samui by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Ko Samui to Kathmandu with no change fees?
Yes, we can. To see specific flights from Ko Samui to Kathmandu with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Ko Samui to Kathmandu become cheaper?
Not ready to book yet? You can track prices for flights from Ko Samui to Kathmandu on Cheapflights with our Price Alert feature and get notified when better prices are available.