Find flights
Deals
Airlines

฿2,558+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
11 May — 18 May1
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 11 April 2026.

Wed 10/606:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Fri 19/606:00
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 7/4฿5,468
Sun 17/506:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Thu 28/507:50
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 7/4฿5,500
Sat 12/918:15
DMK
-
USM
Nonstop1h 30m
Bangkok Airways
Sat 26/906:55
USM
-
DMK
Nonstop1h 30m
Bangkok Airways
Deal found 7/4฿5,500
Tue 8/908:10
BKK
-
USM
Nonstop1h 10m
Bangkok Airways
Fri 11/906:00
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 10/4฿5,532
Mon 14/909:05
DMK
-
USM
Nonstop1h 30m
Bangkok Airways
Fri 25/915:55
USM
-
DMK
Nonstop1h 30m
Bangkok Airways
Deal found 8/4฿5,532
Wed 20/506:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Tue 26/506:00
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 10/4฿5,564
Tue 21/406:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Sat 2/507:50
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 10/4฿5,596
Mon 8/618:15
DMK
-
USM
Nonstop1h 30m
Bangkok Airways
Tue 9/606:55
USM
-
DMK
Nonstop1h 30m
Bangkok Airways
Deal found 7/4฿5,596
Sat 9/506:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Wed 13/506:00
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 9/4฿5,628
Wed 7/1018:15
DMK
-
USM
Nonstop1h 30m
Bangkok Airways
Sun 18/1006:55
USM
-
DMK
Nonstop1h 30m
Bangkok Airways
Deal found 7/4฿5,628
Thu 7/506:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Sat 30/506:00
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 9/4฿5,660
Sat 16/518:15
DMK
-
USM
Nonstop1h 30m
Bangkok Airways
Wed 20/506:55
USM
-
DMK
Nonstop1h 30m
Bangkok Airways
Deal found 7/4฿5,660

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 11 April 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 21/5

06:05-07:10

Nonstop1h 05m

Ko Samui

Mon 8/6

06:00-07:15

Nonstop1h 15m

฿5,468

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Tue 9/6

06:05-07:10

Nonstop1h 05m

Ko Samui

Thu 18/6

07:50-09:05

Nonstop1h 15m

฿5,468

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Thu 4/6

06:05-07:10

Nonstop1h 05m

Ko Samui

Sun 14/6

06:00-07:15

Nonstop1h 15m

฿5,468

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Wed 9/9

20:05-21:35

Nonstop1h 30m

Ko Samui

Thu 17/9

17:50-19:05

Nonstop1h 15m

฿5,500

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Wed 13/5

06:05-07:10

Nonstop1h 05m

Ko Samui

Fri 22/5

06:00-07:15

Nonstop1h 15m

฿5,820

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Sun 6/9

06:05-07:10

Nonstop1h 05m

Ko Samui

Sun 6/9

09:15-10:30

Nonstop1h 15m

฿6,235

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Thu 24/9

06:05-07:10

Nonstop1h 05m

Ko Samui

Sun 4/10

07:50-09:05

Nonstop1h 15m

฿6,363

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Sat 26/9

06:05-07:10

Nonstop1h 05m

Ko Samui

Mon 5/10

07:50-09:05

Nonstop1h 15m

฿6,363

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Mon 28/9

06:05-07:10

Nonstop1h 05m

Ko Samui

Thu 8/10

07:50-09:05

Nonstop1h 15m

฿6,363

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Mon 28/9

06:05-07:10

Nonstop1h 05m

Ko Samui

Wed 7/10

07:50-09:05

Nonstop1h 15m

฿6,363

Flights are sorted by cheapest return flights first.

Deals found on 11/4

Showing 1-10 of 45 resultsSorted by cheapest first
1
2
3
...
5

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 11 April 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
128 reviews
Check prices

Comfort

8.0

Entertainment

6.3

Food

7.3

Crew

8.6

Boarding

8.1

Overall

8.1

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
128 reviews
Bangkok Airways
8.1
Very Good
128 reviews
Check prices

Comfort

8.0

Entertainment

6.3

Food

7.3

Crew

8.6

Boarding

8.1

Overall

8.1

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 ฿5,412. If you're looking for a direct return flight to Ko Samui, you can expect to pay around ฿8,461.

  • 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 13m on average. The quickest direct flight to Ko Samui at this time departs from Krabi (0h 50m), 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 ฿6,243.

See more FAQs

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.

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.