Find flights
When to book
Airlines
FAQs

Cheap flights from New Delhi to Ko Samui from ₹ 23,626

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
DEL — USM
23 May — 30 May1
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 23 April 2026.

Fri 5/619:55
DEL
-
USM
2 stops20h 35m
Multiple Airlines
Fri 12/606:55
USM
-
DEL
1 stop14h 15m
Multiple Airlines
Deal found 21/4₹ 48,377
Sat 6/619:55
DEL
-
USM
2 stops23h 00m
Multiple Airlines
Sat 13/611:25
USM
-
DEL
2 stops21h 05m
Multiple Airlines
Deal found 21/4₹ 49,127
Thu 4/619:55
DEL
-
USM
2 stops23h 00m
Multiple Airlines
Thu 11/612:10
USM
-
DEL
2 stops21h 10m
Multiple Airlines
Deal found 20/4₹ 49,877
Fri 12/605:10
DEL
-
USM
1 stop7h 15m
Multiple Airlines
Wed 24/608:00
USM
-
DEL
2 stops15h 35m
Multiple Airlines
Deal found 20/4₹ 50,533
Sun 14/606:50
DEL
-
USM
1 stop6h 30m
Multiple Airlines
Wed 24/608:00
USM
-
DEL
2 stops15h 35m
Multiple Airlines
Deal found 20/4₹ 50,627
Tue 16/619:55
DEL
-
USM
2 stops23h 00m
Multiple Airlines
Thu 25/608:00
USM
-
DEL
2 stops26h 20m
Multiple Airlines
Deal found 23/4₹ 51,095
Tue 26/513:25
DEL
-
USM
1 stop19h 35m
Multiple Airlines
Sun 31/519:00
USM
-
DEL
1 stop18h 20m
Multiple Airlines
Deal found 19/4₹ 52,314

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 23 April 2026.

Round-trip from

₹ 47,627

One-way from

₹ 23,626
10/5-18/5
  • 10/5-18/5
  • 4 total stops
  • 31h 25m total
  • New Delhi to Ko Samui
Search Deals
27/8
  • 27/8
  • 2 total stops
  • 30h 05m 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 23 April 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

13:25-10:30

1 stop19h 35m

Ko Samui

Wed 10/6

15:30-01:35

1 stop11h 35m

₹ 55,221

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Tue 29/9

09:00-17:20

1 stop30h 50m

Ko Samui

Fri 2/10

11:05-20:05

1 stop10h 30m

₹ 62,721

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sun 21/6

18:45-21:35

2 stops25h 20m

Ko Samui

Mon 29/6

10:05-22:05

2 stops13h 30m

₹ 64,877

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sat 20/6

23:00-07:10

2 stops30h 40m

Ko Samui

Sat 27/6

08:45-21:50

2 stops14h 35m

₹ 68,721
Fastest return journey

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Wed 3/6

23:35-15:45

2 stops14h 40m

Ko Samui

Wed 10/6

08:45-22:05

2 stops14h 50m

₹ 71,065

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Wed 17/6

21:55-17:20

1 stop17h 55m

Ko Samui

Tue 30/6

08:40-05:40

1 stop22h 30m

₹ 71,252

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sat 20/6

23:00-07:10

2 stops30h 40m

Ko Samui

Sun 28/6

08:45-21:50

2 stops14h 35m

₹ 72,565

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Mon 18/5

23:35-16:50

2 stops15h 45m

Ko Samui

Fri 22/5

08:45-22:05

2 stops14h 50m

₹ 75,284

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Wed 27/5

09:00-07:45

1 stop21h 15m

Ko Samui

Mon 1/6

08:45-20:05

2 stops12h 50m

₹ 80,815

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Tue 29/9

23:35-18:15

2 stops17h 10m

Ko Samui

Fri 2/10

07:50-22:05

2 stops15h 45m

₹ 81,190

Flights are sorted by cheapest return flights first.

Deals found on 22/4

Showing 1-10 of 18 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 23 April 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
2,967 reviews
Check prices

Overall

5.5

Crew

6.7

Comfort

5.5

Entertainment

4.6

Boarding

6.3

Food

5.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

DEL - YYZ

Ridiculous. Broken seat, wrong food, no snack options that were friendly for my diet (Jain), minimal effort to help passengers… how is this airline still operating besides on the mere helplessness of passengers. Terrible.
Air India
5.5
Fair
2,967 reviews
Air India
5.5
Fair
2,967 reviews
Check prices

Overall

5.5

Crew

6.7

Comfort

5.5

Entertainment

4.6

Boarding

6.3

Food

5.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

DEL - YYZ

Ridiculous. Broken seat, wrong food, no snack options that were friendly for my diet (Jain), minimal effort to help passengers… how is this airline still operating besides on the mere helplessness of passengers. Terrible.

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 ₹ 62,721, Singapore Airlines can have you in Ko Samui from New Delhi in 30h 50m. There are 3193 km between New Delhi and Ko Samui.

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

    Currently priced at ₹ 42,409, 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.

  • 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 23 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest₹ 42,409Average₹ 49,563FlexibilityNo 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.

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.