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₹ 23,301+ Cheap flights to Ko Samui

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 27/4. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
29 Mar — 5 Apr1
1 adult

Flights to Ko Samui in 2025

Find the latest flights to Ko Samui in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 454,620 searches and data was last updated on 24 March 2025.

Return from

₹ 30,007

One-way from

₹ 23,301

Popular in

December

Cheapest in

October

Average price

₹ 47,977
Singapore Airlines
  • Singapore Airlines
  • 1/9-8/9
  • 2 total stops
  • 34h 15m total
  • New Delhi to Ko Samui
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27/4
  • 27/4
  • 1 total stop
  • 16h 15m total
  • New Delhi to Ko Samui
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Highest demand for flights based on searches. 12% potential increase in price (₹ 634,444 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (₹ 209,625 potential savings vs. average return price).
Search Deals
Average for return flights in March 2025
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Find flight deals to Ko Samui

Cheapest flights to Ko Samui
Explore the most affordable flight options available to Ko Samui. Find the lowest fares based on data from user searches, with prices last updated on 24 March 2025.

Mon 1/909:00DEL - USM
1 stop21h 20mSingapore Airlines
Mon 8/908:45USM - DEL
1 stop12h 55mSingapore Airlines
Deal found 24/3₹ 30,007
Tue 3/610:10DEL - USM
1 stop9h 55mMultiple Airlines
Thu 26/607:00USM - DEL
1 stop15h 10mMultiple Airlines
Deal found 23/3₹ 42,388
Tue 15/408:25DEL - USM
1 stop6h 55mAir India
Fri 18/408:00USM - DEL
1 stop11h 45mAir India
Deal found 22/3₹ 56,833
Tue 3/623:35DEL - USM
2 stops12h 40mVietnam Airlines
Thu 26/610:05USM - DEL
2 stops13h 30mVietnam Airlines
Deal found 23/3₹ 58,897
Mon 2/616:20DEL - USM
2 stops17h 50mEmirates
Wed 25/617:50USM - DEL
2 stops16h 45mEmirates
Deal found 23/3₹ 158,204
Wed 4/615:55DEL - USM
2 stops17h 05mEtihad Airways
Fri 27/617:55USM - DEL
2 stops15h 25mEtihad Airways
Deal found 23/3₹ 207,470
Mon 14/401:00DEL - USM
1 stop16h 05mCathay Pacific
Fri 18/410:55USM - DEL
1 stop11h 45mCathay Pacific
Deal found 22/3₹ 243,410

Cheapflights Fare Finder

Locate flights to Ko Samui that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 454,620 searches and data was last updated on 24 March 2025.
Use the filters below to find and compare flights to Ko Samui that are best for you.

Fly from

New Delhi

Route

Depart

Return

Price

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Mon 1/9

09:00-07:50

1 stop21h 20m

Ko Samui

Mon 8/9

08:45-20:10

1 stop12h 55m

₹ 30,007

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Tue 3/6

10:10-21:35

1 stop9h 55m

Ko Samui

Thu 26/6

07:00-20:40

1 stop15h 10m

₹ 42,388

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Tue 15/4

08:25-16:50

1 stop6h 55m

Ko Samui

Fri 18/4

08:00-18:15

1 stop11h 45m

₹ 56,833

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Tue 3/6

23:35-13:45

2 stops12h 40m

Ko Samui

Thu 26/6

10:05-22:05

2 stops13h 30m

₹ 58,897

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Mon 2/6

16:20-11:40

2 stops17h 50m

Ko Samui

Wed 25/6

17:50-09:05

2 stops16h 45m

₹ 158,204

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Wed 4/6

15:55-10:30

2 stops17h 05m

Ko Samui

Fri 27/6

17:55-07:50

2 stops15h 25m

₹ 207,470

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Mon 14/4

01:00-18:35

1 stop16h 05m

Ko Samui

Fri 18/4

10:55-21:10

1 stop11h 45m

₹ 243,410

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sun 27/4

14:30-08:15

1 stop16h 15m

₹ 23,301

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sun 27/4

23:35-17:45

2 stops16h 40m

₹ 34,220

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Fri 11/4

03:20-21:35

1 stop16h 45m

₹ 46,085

Flights are sorted by cheapest return flights first.

Deals found on 23/3

Showing 1-10 of 11 results
1
2

Best time to book a flight to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui 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 to Ko Samui

When is the best time to book a flight to Ko Samui?

Use this chart to determine the optimal time to book a return flight from New Delhi to Ko Samui. Price data was last updated on 21 March 2025.

Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights to Ko Samui. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

How long is the flight to Ko Samui?

On average, a flight from New Delhi to Ko Samui takes 7 hours 50 minutes. Flights to Ko Samui from other popular cities in India will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Ko Samui?

The most popular airlines flying from New Delhi to Ko Samui are Thai Airways and Singapore Airlines.

Thai Airways

Thai Airways

From ₹ 540

Singapore Airlines

Singapore Airlines

From ₹ 273

What are the cheapest airlines that fly to Ko Samui?

The cheapest airlines flying from New Delhi to Ko Samui are Singapore Airlines and Thai Airways.

Rainfall in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ko Samui ranges from 58.0 - 490.0 mm per month. November is typically the wettest month, when rainfall can reach 490.0 mm. February is typically the driest time to visit Ko Samui when rainfall is around 58.0 mm.

Temperature in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).

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 24 March 2025.
Singapore Airlines
8.1
Very Good
1,283 reviews
Check prices

Crew

8.6

Entertainment

8.0

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.7

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Singapore Airlines
8.1
Very Good
1,283 reviews
Singapore Airlines
8.1
Very Good
1,283 reviews
Check prices

Crew

8.6

Entertainment

8.0

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.7

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Emirates
8.0
Very Good
3,189 reviews
Singapore Airlines
8.1
Very Good
1,283 reviews
Check prices

Crew

8.6

Entertainment

8.0

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.7

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Thai Airways
7.8
Good
316 reviews
Singapore Airlines
8.1
Very Good
1,283 reviews
Check prices

Crew

8.6

Entertainment

8.0

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.7

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Vietnam Airlines
7.6
Good
192 reviews
Singapore Airlines
8.1
Very Good
1,283 reviews
Check prices

Crew

8.6

Entertainment

8.0

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.7

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Cathay Pacific
7.5
Good
833 reviews
Singapore Airlines
8.1
Very Good
1,283 reviews
Check prices

Crew

8.6

Entertainment

8.0

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.7

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles

FAQs about flying to Ko Samui

  • What airport do you fly into for flights to Ko Samui?

    Booking a flight to Ko Samui (USM) is your only option if you intend on flying to Ko Samui. It is only a 3.3 km journey from Ko Samui to Ko Samui’s city centre.

  • Can I find cheaper flights to Ko Samui if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Ko Samui on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Ko Samui?

    Based on reviews from Cheapflights users, Singapore Airlines is rated the highest out of the airlines that fly to Ko Samui.

  • What is the cheapest airport to fly to in Ko Samui?

    Ko Samui is currently the cheapest airport to fly to in Ko Samui. One-way flights to Ko Samui typically cost ₹ 6,462, while return flights cost around ₹ 11,559.

  • How much is a return flight to Ko Samui?

    A return flight to Ko Samui will typically cost around ₹ 272, however they can be found for as little as ₹ 153.

  • Where does the fastest flight to Ko Samui depart from?

    For those looking to save time traveling to Ko Samui, New Delhi Indira Gandhi Intl offers the quickest one-way flight (7 hours 50 minutes).

  • Does Ko Samui have rental cars?

    Yes. Those touching down at Ko Samui can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Ko Samui?

    Yes. Ko Samui has hotels nearby for those requiring accommodations. Diamond Pool Villa Samui is the closest property to Ko Samui (0.0 km away from Ko Samui).

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 Tao
Ko Pha Ngan

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Cheapflights makes it easy to find Ko Samui flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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Millions of users choose and trust Cheapflights to book the best flight deals to Ko Samui for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Ko Samui today and book when you’re ready!

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