Cheap flights from New Delhi to Ko Samui from £213

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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
DEL — USM
3 Sep — 10 Sep1
1 adult

Cheap 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 August 2025.

Round-trip from

£916

One-way from

£213

Popular in

December

Cheapest in

August

Average price

£267
17/12-21/12
  • 17/12-21/12
  • 3 total stops
  • 36h 50m total
  • New Delhi to Ko Samui
7/2
  • 7/2
  • 2 total stops
  • 33h 00m total
  • New Delhi to Ko Samui
Highest demand for flights based on searches. 17% potential increase in price (£64 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£17 potential savings vs. average return price).
Average for round-trip flights in August 2025

Find flight deals from New Delhi to Ko Samui

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 August 2025.

Wed 17/1201:40DEL - USM
1 stop7h 25mMultiple Airlines
Sun 21/1215:05USM - DEL
2 stops29h 25mMultiple Airlines
Deal found 28/8£916
Mon 10/1113:35DEL - USM
2 stops25h 20mMultiple Airlines
Mon 17/1119:35USM - DEL
2 stops29h 45mMultiple Airlines
Deal found 28/8£1,273
Sun 9/1104:10DEL - USM
2 stops31h 25mEmirates
Mon 17/1118:00USM - DEL
2 stops27h 25mEmirates
Deal found 28/8£1,404
Wed 10/1204:10DEL - USM
2 stops35h 20mEmirates
Mon 15/1208:15USM - DEL
2 stops26h 10mEmirates
Deal found 27/8£1,433
Mon 29/1203:20DEL - USM
2 stops40h 15mBritish Airways
Tue 6/116:25USM - DEL
2 stops34h 20mBritish Airways
Deal found 28/8£1,913
Tue 14/1001:15DEL - USM
2 stops13h 50mCathay Pacific
Sun 19/1008:45USM - DEL
2 stops13h 55mCathay Pacific
Deal found 28/8£2,060
Mon 29/1204:25DEL - USM
2 stops15h 25mEtihad Airways
Sun 4/111:10USM - DEL
2 stops17h 20mEtihad Airways
Deal found 28/8£2,066
Wed 17/1204:25DEL - USM
2 stops15h 25mEtihad Airways
Sun 21/1217:05USM - DEL
2 stops15h 55mEtihad Airways
Deal found 28/8£4,861

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 August 2025.
Use the filters below to find and compare flights from New Delhi to Ko Samui that are best for you.

Fly from

New Delhi

Fly to

Ko Samui

Route

Depart

Return

Price

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Wed 17/12

01:40-10:35

1 stop7h 25m

Ko Samui

Sun 21/12

15:05-19:00

2 stops29h 25m

£916

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Mon 10/11

13:35-16:25

2 stops25h 20m

Ko Samui

Mon 17/11

19:35-23:50

2 stops29h 45m

£1,273

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sun 9/11

04:10-13:05

2 stops31h 25m

Ko Samui

Mon 17/11

18:00-19:55

2 stops27h 25m

£1,404

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Wed 10/12

04:10-17:00

2 stops35h 20m

Ko Samui

Mon 15/12

08:15-08:55

2 stops26h 10m

£1,433

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Mon 29/12

03:20-21:05

2 stops40h 15m

Ko Samui

Tue 6/1

16:25-01:15

2 stops34h 20m

£1,913

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Tue 14/10

01:15-16:35

2 stops13h 50m

Ko Samui

Sun 19/10

08:45-21:10

2 stops13h 55m

£2,060

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Mon 29/12

04:25-21:20

2 stops15h 25m

Ko Samui

Sun 4/1

11:10-03:00

2 stops17h 20m

£2,066

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Wed 17/12

04:25-21:20

2 stops15h 25m

Ko Samui

Sun 21/12

17:05-07:30

2 stops15h 55m

£4,861

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sat 7/2

05:10-15:40

2 stops33h 00m

£213

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Wed 3/9

09:00-21:10

1 stop10h 40m

£417

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 12 results
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

What is the cheapest month to book a flight from New Delhi to Ko Samui?

Currently, August is the cheapest month in which you can book a flight from New Delhi to Ko Samui (average of £1,019). Flying from New Delhi to Ko Samui in December is currently the most expensive (average of £1,669). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from New Delhi to Ko Samui?

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 31h 25m. Fly via Emirates to get the fastest option. New Delhi and Ko Samui are separated by a distance of 1984 mi.

  • 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.

  • What is the cheapest month to book a flight from New Delhi to Ko Samui?

    Currently, August is the cheapest month in which you can book a flight from New Delhi to Ko Samui (average of £1,019). Flying from New Delhi to Ko Samui in December is currently the most expensive (average of £1,669). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

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Alternative routes for New Delhi to Ko Samui

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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.

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