Find flights
When to book
FAQs

Cheap flights from New Delhi to Ko Samui from £263

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
DEL — USM
28 Jun — 5 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from New Delhi to Ko Samui

Enter your travel dates to find the best prices.

Cheapest flights from New Delhi to Ko Samui
Explore the most affordable flight options available from New Delhi to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 May 2026.

Sun 13/909:00
DEL
-
USM
1 stop21h 15m
Singapore Airlines
Thu 17/919:45
USM
-
DEL
1 stop11h 25m
Singapore Airlines
Deal found 28/5£489
Sun 13/923:35
DEL
-
USM
2 stops16h 40m
Vietnam Airlines
Thu 17/908:45
USM
-
DEL
2 stops14h 50m
Vietnam Airlines
Deal found 28/5£534
Sat 27/621:55
DEL
-
USM
1 stop19h 25m
Multiple Airlines
Mon 6/718:25
USM
-
DEL
2 stops12h 45m
Multiple Airlines
Deal found 28/5£619
Tue 9/623:00
DEL
-
USM
2 stops21h 05m
Malaysia Airlines
Thu 11/615:25
USM
-
DEL
2 stops22h 20m
Malaysia Airlines
Deal found 29/5£645
Wed 3/609:00
DEL
-
USM
1 stop21h 15m
Singapore Airlines
Wed 10/619:45
USM
-
DEL
1 stop11h 25m
Singapore Airlines
Deal found 27/5£648
Tue 16/623:00
DEL
-
USM
2 stops20h 20m
Malaysia Airlines
Tue 23/608:45
USM
-
DEL
2 stops14h 35m
Malaysia Airlines
Deal found 25/5£667

Find flight deals from New Delhi to Ko Samui

Discover tips and strategies to find the most affordable flight options for your journey from New Delhi (DEL) to Ko Samui (USM). 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 29 May 2026.

Round-trip from

£489

One-way from

£263
Singapore Airlines
  • Singapore Airlines
  • 13/9-17/9
  • 2 total stops
  • 32h 40m total
  • New Delhi to Ko Samui
Search Deals
12/9
  • 12/9
  • 2 total stops
  • 15h 20m total
  • New Delhi to Ko Samui
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from New Delhi to Ko Samui 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 858,174 searches. Data last updated 29 May 2026.
Use the filters below to find and compare flights from New Delhi to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sun 13/9

09:00-17:20

1 stop30h 50m

Ko Samui

Thu 17/9

19:45-20:05

1 stop25h 50m

£490

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sun 13/9

23:35-17:45

2 stops16h 40m

Ko Samui

Thu 17/9

08:45-22:05

2 stops14h 50m

£534

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Tue 9/6

23:00-21:35

2 stops21h 05m

Ko Samui

Thu 11/6

15:25-12:15

2 stops22h 20m

£645

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Tue 9/6

23:00-17:05

2 stops16h 35m

Ko Samui

Sun 14/6

21:00-21:50

2 stops26h 20m

£712

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sun 14/6

23:00-20:50

2 stops20h 20m

Ko Samui

Thu 25/6

15:25-12:15

2 stops22h 20m

£715

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Mon 8/6

23:00-20:50

2 stops20h 20m

Ko Samui

Sun 14/6

21:00-21:50

2 stops26h 20m

£736

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sun 14/6

23:00-20:50

2 stops20h 20m

Ko Samui

Mon 22/6

08:45-21:50

2 stops14h 35m

£794
Fastest return journey

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Fri 12/6

23:00-17:05

2 stops16h 35m

Ko Samui

Sun 21/6

08:45-21:50

2 stops14h 35m

£818
Cheapest one-way
Fastest single journey

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sat 12/9

21:55-14:45

2 stops15h 20m

£263

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sat 29/8

21:55-15:10

2 stops15h 45m

£264

Flights are sorted by cheapest return flights first.

Deals found on 28/5

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Best time to book a flight from New Delhi to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from New Delhi 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.

Cheapflights Insights

Everything you need to know about your flight from New Delhi to Ko Samui

How often are flights from New Delhi to Ko Samui delayed?

About 0% of weekly flights between New Delhi and Ko Samui have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for New Delhi to Ko Samui flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Related info for your journey

Find useful and relevant information for your journey from New Delhi to Ko Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from New Delhi to Ko Samui?

    There are many flights that can get you from New Delhi to Ko Samui in 16h 40m. Fly via Singapore Airlines or Vietnam Airlines to get the fastest option. New Delhi and Ko Samui are separated by a distance of 1984 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

See more FAQs

Travelling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Pha Ngan
Ko Tao
Khanom

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for New Delhi to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.
New Delhi to Suvarnabhumi flights
New Delhi to Phuket City flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from New Delhi to Ko Samui?

Deals for New Delhi to Ko Samui 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 New Delhi to Ko Samui?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ko Samui from New Delhi.

Can Cheapflights find flights from New Delhi to Ko Samui with no change fees?

Yes! Cheapflights helps users easily find flights from New Delhi to Ko Samui with no change fees.

Can Cheapflights notify me if prices for flights from New Delhi to Ko Samui become cheaper?

Not ready to book yet? You can track prices for flights from New Delhi to Ko Samui on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.