Find flights
When to book
FAQs

Cheap flights from New Delhi to Ko Samui from ₹ 24,186

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 18/11. Fares are subject to change and may not be available on all flights or dates of travel.
DEL — USM
8 Jul — 15 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 8 June 2026.

Fri 6/1121:45
DEL
-
USM
1 stop19h 35m
Singapore Airlines
Sat 14/1119:45
USM
-
DEL
1 stop25h 45m
Singapore Airlines
Deal found 3/6₹ 52,944
Thu 5/1100:05
DEL
-
USM
2 stops16h 05m
Multiple Airlines
Sat 14/1111:00
USM
-
DEL
1 stop10h 20m
Multiple Airlines
Deal found 3/6₹ 56,657
Tue 16/614:30
DEL
-
USM
1 stop16h 15m
Multiple Airlines
Tue 23/618:25
USM
-
DEL
1 stop17h 30m
Multiple Airlines
Deal found 4/6₹ 58,276
Mon 17/801:25
DEL
-
USM
1 stop7h 35m
Multiple Airlines
Sat 12/907:50
USM
-
DEL
1 stop8h 25m
Multiple Airlines
Deal found 5/6₹ 59,419
Sat 15/821:55
DEL
-
USM
1 stop19h 25m
Singapore Airlines
Tue 15/911:05
USM
-
DEL
1 stop10h 30m
Singapore Airlines
Deal found 5/6₹ 59,514
Mon 17/801:25
DEL
-
USM
1 stop7h 35m
Multiple Airlines
Thu 17/907:50
USM
-
DEL
1 stop8h 25m
Multiple Airlines
Deal found 5/6₹ 59,704
Sat 27/611:00
DEL
-
USM
1 stop8h 20m
Multiple Airlines
Sat 4/708:00
USM
-
DEL
3 stops31h 30m
Multiple Airlines
Deal found 5/6₹ 59,800
Sat 15/801:25
DEL
-
USM
1 stop7h 35m
Multiple Airlines
Sat 12/907:50
USM
-
DEL
1 stop8h 25m
Multiple Airlines
Deal found 5/6₹ 60,085
Tue 9/602:45
DEL
-
USM
2 stops16h 10m
Multiple Airlines
Wed 24/608:00
USM
-
DEL
3 stops31h 30m
Multiple Airlines
Deal found 5/6₹ 60,181

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 8 June 2026.

Round-trip from

₹ 58,276

One-way from

₹ 25,139
16/6-23/6
  • 16/6-23/6
  • 2 total stops
  • 33h 45m total
  • New Delhi to Ko Samui
Search Deals
3/7
  • 3/7
  • 1 total stop
  • 17h 30m 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 454,620 searches. Data last updated 8 June 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

Fri 6/11

21:45-18:50

1 stop19h 35m

Ko Samui

Sat 14/11

08:55-20:00

1 stop12h 35m

₹ 54,658
Fastest return journey

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Fri 6/11

21:45-11:50

2 stops12h 35m

Ko Samui

Sat 14/11

12:00-20:00

1 stop9h 30m

₹ 60,657

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sat 20/6

22:55-20:25

2 stops20h 00m

Ko Samui

Fri 26/6

08:00-00:50

2 stops18h 20m

₹ 61,514

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Mon 5/10

21:55-18:50

1 stop19h 25m

Ko Samui

Fri 9/10

18:15-20:05

1 stop27h 20m

₹ 62,561

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sun 12/7

01:25-20:25

1 stop17h 30m

Ko Samui

Tue 21/7

12:10-01:45

1 stop15h 05m

₹ 63,037

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Mon 5/10

23:00-15:45

2 stops15h 15m

Ko Samui

Fri 9/10

07:50-21:50

2 stops15h 30m

₹ 68,465

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sat 1/8

23:35-18:15

2 stops17h 10m

Ko Samui

Thu 6/8

19:10-22:05

2 stops28h 25m

₹ 86,367
Cheapest one-way

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Tue 17/11

23:35-15:35

2 stops14h 30m

₹ 24,663

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Fri 3/7

13:25-08:25

1 stop17h 30m

₹ 25,139

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sun 22/11

11:00-07:10

1 stop18h 40m

₹ 28,281

Flights are sorted by cheapest return flights first.

Deals found on 6/6

Showing 1-10 of 15 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?

    For as low as ₹ 54,658, Singapore Airlines can have you in Ko Samui from New Delhi in 19h 35m. There are 3193 km between New Delhi and Ko Samui.

  • 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

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.

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?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from New Delhi to Ko Samui.

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?

Of course! You can now track prices for flights from New Delhi to Ko Samui and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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.