Cheap flights from Ko Samui to Kathmandu from ฿10,314

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
USM — KTM
3 Mar — 10 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ko Samui to Kathmandu

Enter your travel dates to find the best prices.

Cheapest flights from Ko Samui to Kathmandu
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 1 February 2026.

Sat 29/812:10
USM
-
KTM
2 stops34h 50m
Malaysia Airlines
Wed 2/913:00
KTM
-
USM
2 stops30h 10m
Malaysia Airlines
Deal found 31/1฿32,325
Sat 29/811:05
USM
-
KTM
1 stop11h 40m
Singapore Airlines
Wed 2/922:50
KTM
-
USM
1 stop17h 15m
Singapore Airlines
Deal found 31/1฿41,916

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 1 February 2026.
Use the filters below to find and compare flights from Ko Samui to Kathmandu that are best for you.

Fly from

Ko Samui

Fly to

Kathmandu

Route

Depart

Return

Price

Ko SamuiKathmandu

USM - KTM

USMKTM

Ko Samui

Wed 11/2

06:45-14:10

1 stop8h 40m

฿10,314

Ko SamuiKathmandu

USM - KTM

USMKTM

Ko Samui

Fri 6/2

06:45-14:10

1 stop8h 40m

฿11,163

Ko SamuiKathmandu

USM - KTM

USMKTM

Ko Samui

Sat 7/2

21:10-12:25

1 stop16h 30m

฿14,716

Flights are sorted by cheapest return flights first.

Deals found on 1/2

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.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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.

  • Can I find deals for flights from Ko Samui to Kathmandu that include hotel bookings?

    Yes. In addition to deals on Ko Samui to Kathmandu flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ko Samui to Kathmandu?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ko Samui to Kathmandu.

  • Can I find deals for business class flights from Ko Samui to Kathmandu?

    Yes. Cheapflights offers flight deals from Ko Samui to Kathmandu by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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