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฿3,433+ Direct flights to Ko Samui

This is the cheapest price on a non-stop flight to Ko Samui found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/8. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
9 Sep — 16 Sep1
1 adult
1 adult, Economy, 0 bags

Find flight deals to Ko Samui

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 10 August 2026.

Thu 17/906:05 -
Nonstop1h 05m
Sun 20/906:00 -
Nonstop1h 15m
Deal found 10/8฿5,710
Tue 17/1108:50 -
Nonstop1h 35m
Fri 20/1106:45 -
Nonstop1h 35m
Deal found 9/8฿5,710
Tue 13/1020:05 -
Nonstop1h 30m
Sun 8/1107:00 -
Nonstop1h 15m
Deal found 7/8฿5,743
Tue 13/1018:15 -
Nonstop1h 30m
Tue 20/1006:55 -
Nonstop1h 30m
Deal found 10/8฿5,743
Fri 16/1018:15 -
Nonstop1h 30m
Fri 23/1006:55 -
Nonstop1h 30m
Deal found 10/8฿5,776
Sun 13/906:05 -
Nonstop1h 05m
Fri 18/906:00 -
Nonstop1h 15m
Deal found 8/8฿5,809
Sat 10/1006:05 -
Nonstop1h 05m
Thu 22/1007:50 -
Nonstop1h 15m
Deal found 7/8฿5,842
Wed 11/1118:55 -
Nonstop1h 35m
Mon 16/1106:45 -
Nonstop1h 35m
Deal found 10/8฿5,842
Fri 9/1006:05 -
Nonstop1h 05m
Wed 11/1118:30 -
Nonstop1h 15m
Deal found 7/8฿5,875
Tue 6/1020:05 -
Nonstop1h 30m
Thu 22/1006:00 -
Nonstop1h 15m
Deal found 9/8฿5,908
Wed 11/1118:55 -
Nonstop1h 35m
Thu 19/1106:45 -
Nonstop1h 35m
Deal found 9/8฿5,908
Fri 20/1106:00 -
Nonstop1h 10m
Mon 23/1107:00 -
Nonstop1h 15m
Deal found 9/8฿5,941

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 Fare Finder

 
Use the slider to find non-stop flights to Ko Samui within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 17,341 searches and data was last updated on 10 August 2026.
Use the filters below to find and compare direct flights to Ko Samui that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

BangkokKo Samui

BKK Bangkok Suvarnabhumi - USM Ko Samui

BKKUSM

Bangkok Suvarnabhumi

Fri 9/10

06:05-07:10

Nonstop1h 05m

Ko Samui

Sun 11/10

06:00-07:15

Nonstop1h 15m

฿6,304

BangkokKo Samui

BKK Bangkok Suvarnabhumi - USM Ko Samui

BKKUSM

Bangkok Suvarnabhumi

Fri 28/8

05:30-07:00

Nonstop1h 30m

Ko Samui

Sun 6/9

07:50-09:05

Nonstop1h 15m

฿6,337

BangkokKo Samui

BKK Bangkok Suvarnabhumi - USM Ko Samui

BKKUSM

Bangkok Suvarnabhumi

Wed 11/11

14:30-15:40

Nonstop1h 10m

Ko Samui

Wed 25/11

07:00-08:15

Nonstop1h 15m

฿6,436

BangkokKo Samui

BKK Bangkok Suvarnabhumi - USM Ko Samui

BKKUSM

Bangkok Suvarnabhumi

Wed 11/11

06:25-07:35

Nonstop1h 10m

Ko Samui

Sun 29/11

07:00-08:15

Nonstop1h 15m

฿6,436

BangkokKo Samui

BKK Bangkok Suvarnabhumi - USM Ko Samui

BKKUSM

Bangkok Suvarnabhumi

Thu 14/1

06:00-07:10

Nonstop1h 10m

Ko Samui

Wed 10/2

07:00-08:15

Nonstop1h 15m

฿6,469

BangkokKo Samui

BKK Bangkok Suvarnabhumi - USM Ko Samui

BKKUSM

Bangkok Suvarnabhumi

Wed 11/11

07:30-08:40

Nonstop1h 10m

Ko Samui

Sun 15/11

08:30-09:45

Nonstop1h 15m

฿6,469

BangkokKo Samui

BKK Bangkok Suvarnabhumi - USM Ko Samui

BKKUSM

Bangkok Suvarnabhumi

Mon 9/11

14:30-15:40

Nonstop1h 10m

Ko Samui

Thu 19/11

08:30-09:45

Nonstop1h 15m

฿6,469

BangkokKo Samui

BKK Bangkok Suvarnabhumi - USM Ko Samui

BKKUSM

Bangkok Suvarnabhumi

Fri 13/11

07:00-08:10

Nonstop1h 10m

Ko Samui

Thu 26/11

07:00-08:15

Nonstop1h 15m

฿6,469

BangkokKo Samui

BKK Bangkok Suvarnabhumi - USM Ko Samui

BKKUSM

Bangkok Suvarnabhumi

Tue 10/11

14:30-15:40

Nonstop1h 10m

Ko Samui

Wed 11/11

08:30-09:45

Nonstop1h 15m

฿6,469

BangkokKo Samui

BKK Bangkok Suvarnabhumi - USM Ko Samui

BKKUSM

Bangkok Suvarnabhumi

Wed 13/1

06:00-07:10

Nonstop1h 10m

Ko Samui

Wed 10/2

07:00-08:15

Nonstop1h 15m

฿6,469

Flights are sorted by cheapest return flights first.

Deals found on 7/8

Showing 1-10 of 41 resultsSorted by cheapest first
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Reviews of airlines flying non-stop to Ko Samui

Get insights into the airlines that provide direct flights 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 10 August 2026.
Read reviews from past customers who have flown Bangkok Airways to Thailand. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Bangkok Airways
8.1
Very Good
133 reviews
Check prices

Entertainment

6.3

Overall

8.1

Food

7.3

Comfort

7.9

Boarding

8.1

Crew

8.6

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect
Bangkok Airways
8.1
Very Good
133 reviews
Bangkok Airways
8.1
Very Good
133 reviews
Check prices

Entertainment

6.3

Overall

8.1

Food

7.3

Comfort

7.9

Boarding

8.1

Crew

8.6

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect

FAQ about direct flights to Ko Samui

Find answers to frequently asked questions about direct flights to Ko Samui to unlock the best deals on Cheapflights.

  • How much are direct flights to Ko Samui?

    On average, a one-way direct flight to Ko Samui will cost users approximately ฿7,314. If you're looking for a direct return flight to Ko Samui, you can expect to pay around ฿10,161.

  • How long is a direct flight to Ko Samui?

    While the flight duration depends heavily on the origin, travellers can expect non-stop flights to Ko Samui to last approximately 1h 18m on average. The quickest direct flight to Ko Samui at this time departs from Phuket City (0h 55m), while the longest leaves from Chiang Mai (1h 45m).

  • What is the best time of year to fly direct to Ko Samui?

    If you're seeking the lowest price on a direct flight to Ko Samui, June is worth consideration, as prices are usually at their lowest, on average. October may be most appealing to users looking for the quietest time to visit Ko Samui, when demand is typically at its lowest.

  • What is the most popular direct flight origin to Ko Samui?

    Currently, the most popular direct flight origin to Ko Samui is Bangkok Suvarnabhumi Airport. A return direct flight from Bangkok Suvarnabhumi Airport to Ko Samui typically costs around ฿8,463.

See more FAQs

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