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₹ 17,149+ Cheap flights to Koh 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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
27 Feb — 6 Mar1
1 adult

Flights to Koh Samui in 2025

Find the latest flights to Koh 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 22 February 2025.

Return from

₹ 33,865

One-way from

₹ 17,842

Popular in

December

Cheapest in

October

Average price

₹ 45,557
Singapore Airlines
  • Singapore Airlines
  • 25/5-15/6
  • 2 total stops
  • 34h 15m total
  • New Delhi to Koh Samui
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23/4
  • 23/4
  • 1 total stop
  • 12h 45m total
  • New Delhi to Koh Samui
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (₹ 564,997 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (₹ 214,242 potential savings vs. average return price).
Search Deals
Average for return flights in February 2025
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Find flight deals to Koh Samui

Cheapest flights to Koh Samui
Explore the most affordable flight options available to Koh Samui. Find the lowest fares based on data from user searches, with prices last updated on 22 February 2025.

Wed 10/921:55DEL - USM
1 stop19h 05mSingapore Airlines
Wed 24/912:05USM - DEL
1 stop9h 35mSingapore Airlines
Deal found 20/2₹ 31,786
Mon 7/423:20DEL - USM
2 stops34h 20mMultiple Airlines
Mon 14/408:10USM - DEL
2 stops15h 25mMultiple Airlines
Deal found 21/2₹ 45,731
Sat 24/503:20DEL - USM
1 stop8h 55mThai Airways
Sun 15/607:00USM - DEL
1 stop16h 20mThai Airways
Deal found 20/2₹ 51,620
Fri 21/314:30DEL - USM
1 stop15h 45mAir India
Fri 28/308:20USM - DEL
1 stop14h 25mAir India
Deal found 20/2₹ 63,572
Wed 5/323:35DEL - USM
2 stops17h 10mVietnam Airlines
Tue 18/308:15USM - DEL
2 stops15h 20mVietnam Airlines
Deal found 21/2₹ 78,816
Tue 29/410:05DEL - USM
2 stops30h 40mBritish Airways
Thu 8/513:30USM - DEL
2 stops35h 35mBritish Airways
Deal found 20/2₹ 181,450
Fri 21/316:15DEL - USM
2 stops24h 30mEmirates
Fri 28/313:25USM - DEL
2 stops26h 45mEmirates
Deal found 20/2₹ 213,842
Thu 20/301:30DEL - USM
1 stop16h 35mCathay Pacific
Fri 28/311:40USM - DEL
1 stop11h 25mCathay Pacific
Deal found 20/2₹ 241,558
Tue 9/901:05DEL - USM
2 stops34h 10mSWISS
Wed 24/909:15USM - DEL
2 stops24h 40mSWISS
Deal found 20/2₹ 1,805,318

Find flights to Koh Samui within your budget

Locate flights to Koh 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 22 February 2025.

Fly from

New Delhi

Route

Depart

Return

Price

New DelhiKoh Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sun 25/5

09:00-07:50

1 stop21h 20m

Ko Samui

Sun 15/6

08:45-20:10

1 stop12h 55m

₹ 33,865

New DelhiKoh Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Mon 7/4

23:20-11:10

2 stops34h 20m

Ko Samui

Mon 14/4

08:10-22:05

2 stops15h 25m

₹ 45,731

New DelhiKoh Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sat 24/5

03:20-13:45

1 stop8h 55m

Ko Samui

Sun 15/6

07:00-21:50

1 stop16h 20m

₹ 51,620

New DelhiKoh Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Fri 21/3

14:30-07:45

1 stop15h 45m

Ko Samui

Fri 28/3

08:20-21:15

1 stop14h 25m

₹ 63,572

New DelhiKoh Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Wed 5/3

23:35-18:15

2 stops17h 10m

Ko Samui

Tue 18/3

08:15-22:05

2 stops15h 20m

₹ 78,816

New DelhiKoh Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Tue 29/4

10:05-18:15

2 stops30h 40m

Ko Samui

Thu 8/5

13:30-23:35

2 stops35h 35m

₹ 181,450

New DelhiKoh Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Fri 21/3

16:15-18:15

2 stops24h 30m

Ko Samui

Fri 28/3

13:25-14:40

2 stops26h 45m

₹ 213,842

New DelhiKoh Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Thu 20/3

01:30-19:35

1 stop16h 35m

Ko Samui

Fri 28/3

11:40-21:35

1 stop11h 25m

₹ 241,558

New DelhiKoh Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Mon 21/4

17:05-07:20

1 stop12h 45m

₹ 17,149

New DelhiKoh Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Wed 23/4

09:00-07:50

1 stop21h 20m

₹ 20,873

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 12 results
1
2

Best time to book a flight to Koh Samui

Have a flexible travel schedule? Discover the best time to fly to Koh 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.

Travel insights for flights to Koh Samui

Get recent, data-driven insights about flights to Koh Samui including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from New Delhi to Koh Samui. Price data was last updated on 14 February 2025.

To ensure you get the cheapest price possible for a flight to Koh Samui, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

How long is the flight to Koh Samui?

On average, a flight from New Delhi to Koh Samui takes 10 hours 30 minutes. Flights to Koh 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 Koh Samui?

The most popular airlines flying from New Delhi to Koh 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 Koh Samui?

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

Rainfall in Koh Samui by month

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

In terms of precipitation, rainfall in Koh 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 Koh Samui when rainfall is around 58.0 mm.

Temperature in Koh Samui by month

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

If weather is an important factor for your trip to Koh 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 Koh Samui

Get insights into the airlines that provide service to Koh 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 Koh Samui. Reviews last updated 22 February 2025.
Emirates
8.1
Very Good
3,278 reviews
Check prices

Crew

8.3

Overall

8.1

Food

7.9

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20

10.0
Excellent

Anonymous,Sept 2023

DXB - BKK

Roomier seats and more leg room (in economy!), friendly and attentive flight attendants and good service.

Emirates
8.1
Very Good
3,278 reviews
Emirates
8.1
Very Good
3,278 reviews
Check prices

Crew

8.3

Overall

8.1

Food

7.9

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20

10.0
Excellent

Anonymous,Sept 2023

DXB - BKK

Roomier seats and more leg room (in economy!), friendly and attentive flight attendants and good service.

Singapore Airlines
8.1
Very Good
1,297 reviews
Emirates
8.1
Very Good
3,278 reviews
Check prices

Crew

8.3

Overall

8.1

Food

7.9

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20

10.0
Excellent

Anonymous,Sept 2023

DXB - BKK

Roomier seats and more leg room (in economy!), friendly and attentive flight attendants and good service.

Thai Airways
7.8
Good
317 reviews
Emirates
8.1
Very Good
3,278 reviews
Check prices

Crew

8.3

Overall

8.1

Food

7.9

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20

10.0
Excellent

Anonymous,Sept 2023

DXB - BKK

Roomier seats and more leg room (in economy!), friendly and attentive flight attendants and good service.

Vietnam Airlines
7.6
Good
196 reviews
Emirates
8.1
Very Good
3,278 reviews
Check prices

Crew

8.3

Overall

8.1

Food

7.9

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20

10.0
Excellent

Anonymous,Sept 2023

DXB - BKK

Roomier seats and more leg room (in economy!), friendly and attentive flight attendants and good service.

Cathay Pacific
7.5
Good
821 reviews
Emirates
8.1
Very Good
3,278 reviews
Check prices

Crew

8.3

Overall

8.1

Food

7.9

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20

10.0
Excellent

Anonymous,Sept 2023

DXB - BKK

Roomier seats and more leg room (in economy!), friendly and attentive flight attendants and good service.

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

    For a flight to Koh Samui, you will be flying into Ko Samui. Ko Samui (USM) is just 3.3 km from the centre of the city.

  • Can I find cheaper flights to Koh 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 Koh Samui on Cheapflights that require 1 or 2 stops for potential cost savings.

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

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

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

    Ko Samui is currently the cheapest airport to fly to in Koh Samui. One-way flights to Ko Samui typically cost ₹ 8,901, while return flights cost around ₹ 11,591.

  • How much is a return flight to Koh Samui?

    A return flight to Koh Samui will typically cost around ₹ 214, however they can be found for as little as ₹ 134.

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

    For those looking to save time traveling to Koh Samui, New Delhi Indira Gandhi Intl offers the quickest one-way flight (10 hours 30 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 Koh Samui?

Book flights to Koh 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 Koh 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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