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₹ 21,868+ 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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
2 Jul — 9 Jul1
1 adult
1 adult, Economy, 0 bags

Flights to Ko Samui in 2026

Enter your travel dates to find the best prices.

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 2 June 2026.

Tue 1/921:55
DEL
-
USM
2 stops14h 20m
Multiple Airlines
Wed 30/909:15
USM
-
DEL
2 stops12h 20m
Multiple Airlines
Deal found 31/5₹ 48,490
Tue 1/909:00
DEL
-
USM
1 stop21h 15m
Singapore Airlines
Wed 30/911:05
USM
-
DEL
1 stop10h 30m
Singapore Airlines
Deal found 31/5₹ 49,726
Thu 11/614:30
DEL
-
USM
1 stop15h 10m
Multiple Airlines
Thu 18/615:25
USM
-
DEL
1 stop21h 55m
Multiple Airlines
Deal found 30/5₹ 53,054
Wed 2/901:25
DEL
-
USM
1 stop7h 35m
Multiple Airlines
Sun 27/907:50
USM
-
DEL
1 stop8h 25m
Multiple Airlines
Deal found 31/5₹ 53,719
Thu 3/905:10
DEL
-
USM
1 stop10h 15m
Multiple Airlines
Wed 30/907:50
USM
-
DEL
1 stop8h 25m
Multiple Airlines
Deal found 31/5₹ 53,814
Wed 2/901:25
DEL
-
USM
1 stop7h 35m
Multiple Airlines
Sat 3/1007:50
USM
-
DEL
1 stop8h 25m
Multiple Airlines
Deal found 31/5₹ 53,909
Tue 1/905:10
DEL
-
USM
1 stop8h 00m
Multiple Airlines
Sun 27/907:50
USM
-
DEL
1 stop8h 25m
Multiple Airlines
Deal found 31/5₹ 54,100
Wed 2/901:25
DEL
-
USM
1 stop7h 35m
Multiple Airlines
Tue 29/907:50
USM
-
DEL
1 stop8h 25m
Multiple Airlines
Deal found 31/5₹ 54,195
Wed 1/713:25
DEL
-
USM
1 stop17h 30m
Multiple Airlines
Wed 8/719:00
USM
-
DEL
1 stop8h 15m
Multiple Airlines
Deal found 31/5₹ 54,290
Tue 1/905:10
DEL
-
USM
1 stop8h 00m
Multiple Airlines
Sat 3/1007:50
USM
-
DEL
1 stop8h 25m
Multiple Airlines
Deal found 31/5₹ 54,385
Tue 1/905:10
DEL
-
USM
1 stop7h 15m
Multiple Airlines
Fri 2/1007:50
USM
-
DEL
1 stop8h 25m
Multiple Airlines
Deal found 31/5₹ 54,575

Find flight deals to Ko Samui

Find the latest flights to Ko Samui in 2026, 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 2 June 2026.

Return from

₹ 48,490

One-way from

₹ 21,868
1/9-30/9
  • 1/9-30/9
  • 4 total stops
  • 26h 40m total
  • New Delhi to Ko Samui
Search Deals
13/9
  • 13/9
  • 2 total stops
  • 16h 05m total
  • New Delhi to Ko Samui
Search Deals

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 2 June 2026.
Use the filters below to find and compare flights to Ko Samui that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sun 13/9

09:00-17:20

1 stop30h 50m

Ko Samui

Thu 17/9

19:45-20:05

1 stop25h 50m

₹ 62,847

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sun 30/8

21:55-17:20

1 stop17h 55m

Ko Samui

Mon 28/9

18:15-05:40

1 stop12h 55m

₹ 63,132

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Thu 18/6

13:25-16:55

1 stop26h 00m

Ko Samui

Sun 21/6

12:10-11:50

1 stop25h 10m

₹ 67,220

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sun 13/9

23:00-16:35

2 stops16h 05m

Ko Samui

Thu 17/9

10:05-21:50

2 stops13h 15m

₹ 68,742

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sat 29/8

23:00-21:35

2 stops21h 05m

Ko Samui

Sat 3/10

07:50-21:50

2 stops15h 30m

₹ 69,122

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Thu 9/7

18:45-09:20

2 stops13h 05m

Ko Samui

Mon 13/7

09:15-04:15

2 stops20h 30m

₹ 72,355
Fastest return journey

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Fri 12/6

06:50-15:45

1 stop7h 25m

Ko Samui

Thu 18/6

17:05-23:10

1 stop7h 35m

₹ 73,115

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Fri 12/6

09:00-07:45

1 stop21h 15m

Ko Samui

Sun 14/6

08:40-20:05

1 stop12h 55m

₹ 93,842

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sun 14/6

23:00-20:50

2 stops20h 20m

Ko Samui

Sun 21/6

21:00-21:50

2 stops26h 20m

₹ 104,776

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Mon 29/6

23:00-21:35

2 stops21h 05m

Ko Samui

Wed 8/7

08:10-21:50

2 stops15h 10m

₹ 105,442

Flights are sorted by cheapest return flights first.

Deals found on 31/5

Showing 1-10 of 20 resultsSorted by cheapest first
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

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).

How long is the flight to Ko Samui?

On average, a flight from New Delhi to Ko Samui takes 7 hours 35 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.

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 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 ₹ 7,878, while return flights cost around ₹ 19,674.

  • How much is a return flight to Ko Samui?

    A return flight to Ko Samui will typically cost around ₹ 27,811, however they can be found for as little as ₹ 19,674.

  • 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 35 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 Pha Ngan
Ko Tao

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Some of the lowest fares we’ve come across for flights to Ko Samui.
Flights from Suvarnabhumi to Ko Samui

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How does Cheapflights help users find flights to Ko Samui?

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.

Why should you use Cheapflights to find cheap flight tickets to Ko Samui?

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.

Can Cheapflights find flights to Ko Samui with no change fees?

Yes, we can. To see specific flights to Ko Samui with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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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