Cheap flights from Ko Samui to Kathmandu from ฿14,298
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/10. 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
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 9 October 2026.
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 9 October 2026.
Best flights from Ko Samui to KathmanduDiscover carefully curated flight deals from Ko Samui to Kathmandu that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 October 2026.
Discover carefully curated flight deals from Ko Samui to Kathmandu that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 October 2026.
Last-minute flights from Ko Samui to KathmanduDiscover last-minute flight deals from Ko Samui to Kathmandu. Data last updated 9 October 2026 and is based on user searches.
Discover last-minute flight deals from Ko Samui to Kathmandu. Data last updated 9 October 2026 and is based on user searches.
One-way flights from Ko Samui to KathmanduSearch for one-way flight options from Ko Samui to Kathmandu. Find affordable one-way fares based on user searches. Data last updated 9 October 2026.
Search for one-way flight options from Ko Samui to Kathmandu. Find affordable one-way fares based on user searches. Data last updated 9 October 2026.
Find 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 9 October 2026.
Cheapflights Fare Finder
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
Ko SamuiKathmandu
USM Ko Samui - KTM Kathmandu Tribhuvan
USMKTM
Ko Samui
Fri 23/10
08:40-14:10
2 stops30h 45m
Kathmandu Tribhuvan
Wed 31/12
00:00-01:30
Nonstop0h 00m
Ko SamuiKathmandu
USM Ko Samui - KTM Kathmandu Tribhuvan
USMKTM
Ko Samui
Tue 22/12
21:30-11:50
2 stops39h 35m
Kathmandu Tribhuvan
Sat 9/1
00:25-08:10
1 stop6h 30m
Ko SamuiKathmandu
USM Ko Samui - KTM Kathmandu Tribhuvan
USMKTM
Ko Samui
Mon 9/11
18:15-14:00
2 stops21h 00m
Kathmandu Tribhuvan
Sat 14/11
07:35-17:30
2 stops32h 40m
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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Direct flights to Nepal
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Ko Samui and Kathmandu flights
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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.