Find flights
Travel Guide

₹ 22,338+ 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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
21 Jun — 28 Jun1
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 22 May 2026.

Sat 17/1021:55
DEL
-
USM
2 stops12h 30m
Multiple Airlines
Wed 21/1009:15
USM
-
DEL
2 stops12h 20m
Multiple Airlines
Deal found 19/5₹ 45,158
Wed 1/715:40
DEL
-
USM
1 stop15h 15m
Multiple Airlines
Tue 7/711:25
USM
-
DEL
1 stop16h 10m
Multiple Airlines
Deal found 18/5₹ 47,180
Wed 1/715:40
DEL
-
USM
1 stop15h 15m
Multiple Airlines
Thu 9/719:00
USM
-
DEL
1 stop8h 35m
Multiple Airlines
Deal found 22/5₹ 47,373
Mon 8/614:30
DEL
-
USM
1 stop15h 10m
Multiple Airlines
Mon 15/606:55
USM
-
DEL
1 stop14h 15m
Multiple Airlines
Deal found 21/5₹ 47,951
Sat 17/1021:55
DEL
-
USM
1 stop17h 55m
Singapore Airlines
Wed 21/1011:05
USM
-
DEL
1 stop20h 05m
Singapore Airlines
Deal found 19/5₹ 49,780
Mon 8/615:45
DEL
-
USM
1 stop13h 55m
Multiple Airlines
Thu 18/608:00
USM
-
DEL
1 stop29h 20m
Multiple Airlines
Deal found 19/5₹ 51,032

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 22 May 2026.

Return from

₹ 45,158

One-way from

₹ 19,642
17/10-21/10
  • 17/10-21/10
  • 4 total stops
  • 24h 50m total
  • New Delhi to Ko Samui
Search Deals
1/9
  • 1/9
  • 1 total stop
  • 10h 15m 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 22 May 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

Thu 10/9

21:55-17:20

1 stop17h 55m

Ko Samui

Tue 15/9

11:05-05:40

1 stop20h 05m

₹ 49,395

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sun 7/6

14:30-08:35

1 stop16h 35m

Ko Samui

Wed 10/6

17:55-11:50

1 stop19h 25m

₹ 55,365

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Mon 12/10

21:55-18:50

1 stop19h 25m

Ko Samui

Fri 16/10

11:05-20:05

1 stop10h 30m

₹ 62,971

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Mon 21/9

21:55-17:20

1 stop17h 55m

Ko Samui

Fri 25/9

19:45-20:05

1 stop25h 50m

₹ 62,971
Fastest return journey

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Mon 12/10

23:00-14:45

2 stops14h 15m

Ko Samui

Fri 16/10

07:50-21:50

2 stops15h 30m

₹ 68,941

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sat 20/6

23:35-17:05

2 stops16h 00m

Ko Samui

Thu 25/6

08:45-22:05

2 stops14h 50m

₹ 70,482

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Mon 8/6

18:45-09:20

2 stops13h 05m

Ko Samui

Mon 15/6

10:05-04:15

2 stops19h 40m

₹ 78,088

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Mon 22/6

23:00-21:35

2 stops21h 05m

Ko Samui

Wed 24/6

15:20-12:15

2 stops22h 25m

₹ 85,406

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sat 20/6

23:00-17:05

2 stops16h 35m

Ko Samui

Wed 24/6

08:45-21:50

2 stops14h 35m

₹ 85,406

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Wed 3/6

09:00-07:45

1 stop21h 15m

Ko Samui

Wed 10/6

08:40-20:05

1 stop12h 55m

₹ 85,598

Flights are sorted by cheapest return flights first.

Deals found on 20/5

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 20 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 ₹ 7,785, while return flights cost around ₹ 16,118.

  • How much is a return flight to Ko Samui?

    A return flight to Ko Samui will typically cost around ₹ 23,938, however they can be found for as little as ₹ 16,118.

  • 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 20 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

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.

Find the best flight deals to Ko Samui

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

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 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!

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.