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₹ 21,731+ Cheap flights to Ko Samui

— USM
24 Sep — 1 Oct1
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

Wed 7/1015:40 -
1 stop17h 20m
Wed 14/1019:00 -
1 stop8h 35m
Deal found 23/8₹ 46,416
Sat 12/908:25 -
1 stop7h 10m
Fri 18/906:00 -
1 stop13h 45m
Deal found 22/8₹ 50,514
Tue 17/1101:20 -
1 stop9h 45m
Sun 22/1116:30 -
1 stop10h 35m
Deal found 24/8₹ 54,517
Sat 3/1015:45 -
1 stop13h 55m
Tue 6/1008:00 -
1 stop7h 50m
Deal found 24/8₹ 55,279
Sat 12/908:25 -
1 stop7h 10m
Tue 15/919:00 -
1 stop8h 15m
Deal found 22/8₹ 55,565
Thu 27/814:30 -
1 stop15h 00m
Sun 30/809:15 -
1 stop28h 05m
Deal found 23/8₹ 58,043
Wed 26/815:45 -
1 stop14h 15m
Wed 2/917:00 -
2 stops18h 55m
Deal found 24/8₹ 58,520
Mon 7/901:25 -
1 stop17h 30m
Sat 12/911:25 -
1 stop15h 50m
Deal found 23/8₹ 62,332

Find flight deals to Ko Samui

Return from

₹ 46,416

One-way from

₹ 21,731
7/10-14/10
  • 7/10-14/10
  • 2 total stops
  • 25h 55m total
  • New Delhi to Ko Samui
Search Deals
7/10
  • 7/10
  • 2 total stops
  • 17h 10m total
  • New Delhi to Ko Samui
Search Deals

Cheapflights Fare Finder

 
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 New Delhi Indira Gandhi Intl - USM Ko Samui

DELUSM

New Delhi Indira Gandhi Intl

Tue 17/11

01:20-12:35

1 stop9h 45m

Ko Samui

Sun 22/11

16:30-01:35

1 stop10h 35m

₹ 54,517
Fastest return journey

New DelhiKo Samui

DEL New Delhi Indira Gandhi Intl - USM Ko Samui

DELUSM

New Delhi Indira Gandhi Intl

Tue 19/1

08:20-19:45

1 stop9h 55m

Ko Samui

Sun 24/1

08:30-14:45

1 stop7h 45m

₹ 60,235

New DelhiKo Samui

DEL New Delhi Indira Gandhi Intl - USM Ko Samui

DELUSM

New Delhi Indira Gandhi Intl

Sat 12/9

08:25-17:05

1 stop7h 10m

Ko Samui

Tue 15/9

21:00-22:05

2 stops26h 35m

₹ 65,287

New DelhiKo Samui

DEL New Delhi Indira Gandhi Intl - USM Ko Samui

DELUSM

New Delhi Indira Gandhi Intl

Fri 2/10

23:30-16:35

1 stop15h 35m

Ko Samui

Tue 6/10

21:00-17:45

2 stops22h 15m

₹ 67,288

New DelhiKo Samui

DEL New Delhi Indira Gandhi Intl - USM Ko Samui

DELUSM

New Delhi Indira Gandhi Intl

Mon 26/10

21:45-18:50

1 stop19h 35m

Ko Samui

Fri 30/10

19:45-05:40

1 stop11h 25m

₹ 70,815

New DelhiKo Samui

DEL New Delhi Indira Gandhi Intl - USM Ko Samui

DELUSM

New Delhi Indira Gandhi Intl

Sat 12/9

21:55-10:10

1 stop10h 45m

Ko Samui

Fri 18/9

18:15-05:40

1 stop12h 55m

₹ 75,866

New DelhiKo Samui

DEL New Delhi Indira Gandhi Intl - USM Ko Samui

DELUSM

New Delhi Indira Gandhi Intl

Sat 3/10

18:45-16:30

2 stops20h 15m

Ko Samui

Tue 6/10

21:00-17:45

2 stops22h 15m

₹ 82,347

New DelhiKo Samui

DEL New Delhi Indira Gandhi Intl - USM Ko Samui

DELUSM

New Delhi Indira Gandhi Intl

Sun 27/12

01:20-10:35

1 stop7h 45m

Ko Samui

Sat 2/1

17:05-01:35

1 stop10h 00m

₹ 82,347
Cheapest one-way
Fastest single journey

New DelhiKo Samui

DEL New Delhi Indira Gandhi Intl - USM Ko Samui

DELUSM

New Delhi Indira Gandhi Intl

Mon 21/9

11:00-21:35

1 stop9h 05m

₹ 24,876

New DelhiKo Samui

DEL New Delhi Indira Gandhi Intl - USM Ko Samui

DELUSM

New Delhi Indira Gandhi Intl

Mon 31/8

15:45-07:30

1 stop14h 15m

₹ 25,066

Flights are sorted by cheapest return flights first.

Deals found on 22/8

Showing 1-10 of 17 resultsSorted by cheapest first
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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

Cheapflights Insights

Everything you need to know about your flight to Ko Samui

Rainfall in Ko Samui 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

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 55 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 ₹ 10,775, while return flights cost around ₹ 16,023.

  • How much is a return flight to Ko Samui?

    A return flight to Ko Samui will typically cost around ₹ 29,185, however they can be found for as little as ₹ 16,023.

  • 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 55 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

Browse thousands of different options on Cheapflights for your next trip

Find the best flight deals to Ko Samui

Flights from Suvarnabhumi to Ko Samui

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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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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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