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Cheap flights from New Delhi to Ko Samui from ₹ 17,553

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 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
DEL — USM
10 Apr — 17 Apr1
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 11 March 2026.

Thu 18/623:35
DEL
-
USM
2 stops30h 05m
Multiple Airlines
Sun 5/707:50
USM
-
DEL
1 stop9h 50m
Multiple Airlines
Deal found 9/3₹ 34,831
Thu 18/606:50
DEL
-
USM
1 stop22h 50m
Multiple Airlines
Tue 7/709:15
USM
-
DEL
2 stops11h 55m
Multiple Airlines
Deal found 9/3₹ 37,863
Wed 22/415:45
DEL
-
USM
1 stop13h 55m
Multiple Airlines
Wed 29/406:55
USM
-
DEL
1 stop14h 15m
Multiple Airlines
Deal found 7/3₹ 39,242
Mon 10/813:25
DEL
-
USM
1 stop17h 30m
Multiple Airlines
Tue 25/809:15
USM
-
DEL
1 stop28h 05m
Multiple Airlines
Deal found 10/3₹ 40,345
Thu 30/713:25
DEL
-
USM
1 stop17h 30m
Multiple Airlines
Wed 12/819:00
USM
-
DEL
1 stop18h 20m
Multiple Airlines
Deal found 6/3₹ 40,988
Thu 23/415:45
DEL
-
USM
1 stop13h 55m
Multiple Airlines
Thu 30/409:15
USM
-
DEL
2 stops32h 25m
Multiple Airlines
Deal found 9/3₹ 41,080
Thu 18/606:50
DEL
-
USM
1 stop22h 50m
Multiple Airlines
Fri 3/719:00
USM
-
DEL
2 stops26h 10m
Multiple Airlines
Deal found 9/3₹ 42,734

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 11 March 2026.

Round-trip from

₹ 34,831

One-way from

₹ 17,553

Popular in

March

Cheapest in

August

Average price

₹ 73,153
18/6-5/7
  • 18/6-5/7
  • 3 total stops
  • 39h 55m total
  • New Delhi to Ko Samui
Search Deals
14/6
  • 14/6
  • 1 total stop
  • 25h 05m total
  • New Delhi to Ko Samui
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (₹ 962,193 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (₹ 193,740 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
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 11 March 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

Wed 3/6

21:55-18:50

1 stop19h 25m

Ko Samui

Tue 9/6

08:40-05:40

1 stop22h 30m

₹ 51,373

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Wed 3/6

21:55-13:45

2 stops14h 20m

Ko Samui

Tue 9/6

09:15-20:05

2 stops12h 20m

₹ 57,990
Fastest return journey

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Wed 27/5

21:55-10:10

1 stop10h 45m

Ko Samui

Mon 1/6

08:45-20:05

2 stops12h 50m

₹ 60,011

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Mon 18/5

23:35-16:50

2 stops15h 45m

Ko Samui

Wed 20/5

17:50-22:05

2 stops29h 45m

₹ 61,390

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Mon 18/5

09:00-07:45

1 stop21h 15m

Ko Samui

Wed 20/5

18:15-05:40

1 stop12h 55m

₹ 66,628
Cheapest one-way

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Mon 27/4

15:45-07:10

1 stop13h 55m

₹ 20,402

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Tue 28/4

20:55-10:30

2 stops12h 05m

₹ 22,424

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sun 14/6

23:50-20:25

3 stops19h 05m

₹ 24,630
Fastest single journey

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Mon 20/4

01:25-10:30

1 stop7h 35m

₹ 25,273

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sun 19/4

01:25-10:30

1 stop7h 35m

₹ 25,549

Flights are sorted by cheapest return flights first.

Deals found on 9/3

Showing 1-10 of 13 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?

Wednesday 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.

Reviews of airlines servicing Ko Samui

Get insights into the airlines that provide service to Ko Samui. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ko Samui. Reviews last updated 11 March 2026.
Check out reviews from past customers who have flown with Air India from New Delhi to Ko Samui to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air India
5.5
Fair
2,969 reviews
Check prices

Entertainment

4.6

Comfort

5.5

Overall

5.5

Boarding

6.2

Food

5.8

Crew

6.7

Reviews

1 / 20
6.0
Good

Mette,Feb 2026

DEL - SFO

Food and comfort is awful. Very old seats that were falling apart and food tasted bad and small portions Flight attendants were welcoming and helpful
Air India
5.5
Fair
2,969 reviews
Air India
5.5
Fair
2,969 reviews
Check prices

Entertainment

4.6

Comfort

5.5

Overall

5.5

Boarding

6.2

Food

5.8

Crew

6.7

Reviews

1 / 20
6.0
Good

Mette,Feb 2026

DEL - SFO

Food and comfort is awful. Very old seats that were falling apart and food tasted bad and small portions Flight attendants were welcoming and helpful

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 ₹ 61,390, Singapore Airlines can have you in Ko Samui from New Delhi in 15h 45m. There are 3193 km between New Delhi and Ko Samui. Both multi-stop and direct flights can be found to your destination and back.

  • What is the cheapest airline to fly from New Delhi to Ko Samui round-trip?

    Currently priced at ₹ 41,571, Air India will fly you from New Delhi to Ko Samui and back. In addition to Air India, many other airlines offer competitively priced options for your trip. Users have found that Air India is 20% cheaper than the other options available to this destination.

  • 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.

Top airline flying from New Delhi to Ko Samui

Discover the top airline that operate flights from New Delhi to Ko Samui. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 454,620 searches. Data last updated 11 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest₹ 41,571Average₹ 48,764FlexibilityNo cancel feeOn-timeN/A
Search Air India 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?

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.

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