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₹ 16,988+ 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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
15 Apr — 22 Apr1
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 16 March 2026.

Sat 25/415:45
DEL
-
USM
1 stop13h 55m
Multiple Airlines
Wed 29/406:00
USM
-
DEL
1 stop12h 40m
Multiple Airlines
Deal found 13/3₹ 39,701
Wed 3/615:45
DEL
-
USM
1 stop13h 55m
Multiple Airlines
Tue 9/607:50
USM
-
DEL
1 stop8h 25m
Multiple Airlines
Deal found 12/3₹ 40,717
Tue 5/520:55
DEL
-
USM
2 stops12h 05m
Multiple Airlines
Fri 8/508:00
USM
-
DEL
1 stop7h 50m
Multiple Airlines
Deal found 14/3₹ 42,840
Tue 14/713:25
DEL
-
USM
1 stop17h 30m
Multiple Airlines
Mon 20/711:25
USM
-
DEL
1 stop14h 00m
Multiple Airlines
Deal found 14/3₹ 43,764
Mon 4/515:45
DEL
-
USM
1 stop13h 55m
Multiple Airlines
Mon 11/507:50
USM
-
DEL
1 stop8h 25m
Multiple Airlines
Deal found 15/3₹ 44,225
Sat 23/506:50
DEL
-
USM
1 stop6h 30m
Multiple Airlines
Sun 24/506:55
USM
-
DEL
1 stop10h 45m
Multiple Airlines
Deal found 16/3₹ 44,318
Sun 10/506:50
DEL
-
USM
1 stop8h 10m
Multiple Airlines
Fri 15/506:55
USM
-
DEL
1 stop14h 15m
Multiple Airlines
Deal found 16/3₹ 45,333
Thu 30/415:40
DEL
-
USM
1 stop15h 15m
Multiple Airlines
Thu 7/506:55
USM
-
DEL
1 stop14h 15m
Multiple Airlines
Deal found 16/3₹ 45,610
Mon 17/813:25
DEL
-
USM
1 stop17h 30m
Multiple Airlines
Fri 21/811:25
USM
-
DEL
1 stop14h 00m
Multiple Airlines
Deal found 14/3₹ 45,980
Mon 30/301:25
DEL
-
USM
1 stop7h 35m
Multiple Airlines
Tue 31/319:00
USM
-
DEL
1 stop18h 20m
Multiple Airlines
Deal found 15/3₹ 46,349
Wed 6/515:45
DEL
-
USM
1 stop13h 55m
Multiple Airlines
Sat 9/506:00
USM
-
DEL
1 stop10h 15m
Multiple Airlines
Deal found 15/3₹ 46,626

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 16 March 2026.

Return from

₹ 39,701

One-way from

₹ 16,988

Popular in

March

Cheapest in

August

Average price

₹ 73,493
25/4-29/4
  • 25/4-29/4
  • 2 total stops
  • 26h 35m total
  • New Delhi to Ko Samui
Search Deals
15/6
  • 15/6
  • 1 total stop
  • 12h 30m total
  • New Delhi to Ko Samui
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (₹ 10,519 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (₹ 2,118 potential savings vs. average return price).
Search Deals
Average for return flights in March 2026
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 16 March 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

Sat 25/4

19:30-07:10

2 stops10h 10m

Ko Samui

Wed 29/4

06:00-17:10

1 stop12h 40m

₹ 42,563

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Tue 14/7

20:55-10:30

2 stops12h 05m

Ko Samui

Mon 20/7

06:55-16:10

1 stop10h 45m

₹ 50,042

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Wed 3/6

21:55-18:50

1 stop19h 25m

Ko Samui

Tue 9/6

09:15-20:05

2 stops12h 20m

₹ 50,781

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Wed 3/6

21:55-18:50

1 stop19h 25m

Ko Samui

Tue 9/6

08:40-20:05

1 stop12h 55m

₹ 51,150
Fastest return journey

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Fri 17/4

11:00-20:30

1 stop8h 00m

Ko Samui

Mon 20/4

14:30-23:55

1 stop10h 55m

₹ 55,028

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Fri 24/4

21:55-13:45

2 stops14h 20m

Ko Samui

Tue 28/4

18:25-05:40

2 stops12h 45m

₹ 57,982
Cheapest one-way

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Mon 15/6

20:55-08:25

2 stops34h 00m

₹ 18,004

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Fri 12/6

20:55-14:50

2 stops16h 25m

₹ 19,297

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Sun 5/4

20:55-18:00

2 stops19h 35m

₹ 21,513

New DelhiKo Samui

DEL - USM

DELUSM

New Delhi Indira Gandhi Intl

Tue 16/6

23:35-17:45

2 stops16h 40m

₹ 22,066

Flights are sorted by cheapest return flights first.

Deals found on 16/3

Showing 1-10 of 18 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

What are the cheapest airlines that fly to Ko Samui?

The cheapest airline flying from New Delhi to Ko Samui is Air India.

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 16 March 2026.
Read reviews from past customers who have flown Air India to Thailand. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air India
5.5
Fair
2,969 reviews
Check prices

Comfort

5.5

Food

5.8

Crew

6.6

Entertainment

4.6

Overall

5.5

Boarding

6.2

Reviews

1 / 20
6.0
Good

Mette,Feb 2026

DEL - SFO

Food and comfort is awful. Very old seats that were falling apart and food tasted bad and small portions Flight attendants were welcoming and helpful
Air India
5.5
Fair
2,969 reviews
Air India
5.5
Fair
2,969 reviews
Check prices

Comfort

5.5

Food

5.8

Crew

6.6

Entertainment

4.6

Overall

5.5

Boarding

6.2

Reviews

1 / 20
6.0
Good

Mette,Feb 2026

DEL - SFO

Food and comfort is awful. Very old seats that were falling apart and food tasted bad and small portions Flight attendants were welcoming and helpful

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 ₹ 6,506, while return flights cost around ₹ 24,553.

  • How much is a return flight to Ko Samui?

    A return flight to Ko Samui will typically cost around ₹ 33,681, however they can be found for as little as ₹ 24,553.

  • 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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