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฿3,139+ 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 26/3. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
11 Apr — 18 Apr1
1 adult
1 adult, Economy, 0 bags

Find flight deals to Ko Samui

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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 12 March 2026.

Thu 18/606:30
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Thu 25/606:00
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 11/3฿5,643
Mon 27/406:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Wed 29/406:00
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 7/3฿5,675
Wed 13/513:25
DMK
-
USM
Nonstop1h 30m
Bangkok Airways
Sat 16/506:55
USM
-
DMK
Nonstop1h 30m
Bangkok Airways
Deal found 8/3฿5,675
Wed 22/406:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Wed 29/406:00
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 8/3฿5,707
Sun 26/409:05
DMK
-
USM
Nonstop1h 30m
Bangkok Airways
Sun 10/506:55
USM
-
DMK
Nonstop1h 30m
Bangkok Airways
Deal found 9/3฿5,707
Tue 5/518:15
DMK
-
USM
Nonstop1h 30m
Bangkok Airways
Tue 12/506:55
USM
-
DMK
Nonstop1h 30m
Bangkok Airways
Deal found 9/3฿5,770
Tue 28/406:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Wed 29/406:00
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 7/3฿5,802
Mon 31/818:15
DMK
-
USM
Nonstop1h 30m
Bangkok Airways
Tue 15/911:15
USM
-
DMK
Nonstop1h 30m
Bangkok Airways
Deal found 10/3฿5,802
Sun 23/815:00
BKK
-
USM
Nonstop1h 30m
Bangkok Airways
Mon 14/907:50
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 10/3฿5,833
Sun 10/518:15
DMK
-
USM
Nonstop1h 30m
Bangkok Airways
Thu 14/506:55
USM
-
DMK
Nonstop1h 30m
Bangkok Airways
Deal found 8/3฿5,833
Tue 5/506:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Wed 6/506:00
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 9/3฿5,865
Sat 9/518:15
DMK
-
USM
Nonstop1h 30m
Bangkok Airways
Wed 20/511:15
USM
-
DMK
Nonstop1h 30m
Bangkok Airways
Deal found 9/3฿5,865

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 12 March 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 - USM

BKKUSM

Bangkok Suvarnabhumi

Thu 23/4

06:05-07:10

Nonstop1h 05m

Ko Samui

Thu 30/4

06:00-07:15

Nonstop1h 15m

฿5,770

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Sun 19/4

06:05-07:10

Nonstop1h 05m

Ko Samui

Sun 26/4

06:00-07:15

Nonstop1h 15m

฿6,055

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Fri 10/7

06:05-07:10

Nonstop1h 05m

Ko Samui

Tue 14/7

06:00-07:15

Nonstop1h 15m

฿6,087

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Mon 20/4

06:05-07:10

Nonstop1h 05m

Ko Samui

Fri 24/4

06:00-07:15

Nonstop1h 15m

฿6,087

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Thu 3/9

14:05-15:10

Nonstop1h 05m

Ko Samui

Sat 5/9

08:10-09:25

Nonstop1h 15m

฿6,214

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Sun 6/9

19:25-20:30

Nonstop1h 05m

Ko Samui

Fri 18/9

07:50-09:05

Nonstop1h 15m

฿6,214

BangkokKo Samui

DMK - USM

DMKUSM

Bangkok Don Mueang Intl

Sun 6/9

09:05-10:35

Nonstop1h 30m

Ko Samui

Mon 14/9

06:55-08:25

Nonstop1h 30m

฿6,214

BangkokKo Samui

DMK - USM

DMKUSM

Bangkok Don Mueang Intl

Mon 22/6

09:05-10:35

Nonstop1h 30m

Ko Samui

Sun 28/6

06:55-08:25

Nonstop1h 30m

฿6,246

BangkokKo Samui

DMK - USM

DMKUSM

Bangkok Don Mueang Intl

Tue 5/5

18:15-19:45

Nonstop1h 30m

Ko Samui

Tue 12/5

06:55-08:25

Nonstop1h 30m

฿6,246

BangkokKo Samui

DMK - USM

DMKUSM

Bangkok Don Mueang Intl

Sun 21/6

13:25-14:55

Nonstop1h 30m

Ko Samui

Sun 28/6

06:55-08:25

Nonstop1h 30m

฿6,246

Flights are sorted by cheapest return flights first.

Deals found on 6/3

Showing 1-10 of 37 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 12 March 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
125 reviews
Check prices

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.1

Entertainment

6.3

Food

7.3

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
125 reviews
Bangkok Airways
8.1
Very Good
125 reviews
Check prices

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.1

Entertainment

6.3

Food

7.3

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 ฿6,724. If you're looking for a direct return flight to Ko Samui, you can expect to pay around ฿9,828.

  • 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 16m 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, September 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 ฿8,228.

See more FAQs

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