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฿2,352+ 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 13/11. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

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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 28 October 2025.

Fri 14/1106:10BKK - USM
Nonstop1h 35mBangkok Airways
Tue 25/1107:00USM - BKK
Nonstop1h 15mBangkok Airways
Deal found 27/10฿4,835
Tue 17/306:00BKK - USM
Nonstop1h 10mBangkok Airways
Sun 22/307:00USM - BKK
Nonstop1h 15mBangkok Airways
Deal found 27/10฿4,999
Tue 18/1106:10BKK - USM
Nonstop1h 35mBangkok Airways
Tue 25/1107:00USM - BKK
Nonstop1h 15mBangkok Airways
Deal found 27/10฿5,031
Wed 11/306:00BKK - USM
Nonstop1h 10mBangkok Airways
Thu 12/307:00USM - BKK
Nonstop1h 15mBangkok Airways
Deal found 26/10฿5,064
Thu 26/206:00BKK - USM
Nonstop1h 10mBangkok Airways
Sat 14/307:00USM - BKK
Nonstop1h 15mBangkok Airways
Deal found 26/10฿5,097
Tue 10/306:00BKK - USM
Nonstop1h 10mBangkok Airways
Sat 14/307:00USM - BKK
Nonstop1h 15mBangkok Airways
Deal found 28/10฿5,129
Mon 12/106:35BKK - USM
Nonstop1h 00mBangkok Airways
Tue 10/307:00USM - BKK
Nonstop1h 15mBangkok Airways
Deal found 27/10฿5,293
Sun 8/306:30BKK - USM
Nonstop1h 35mBangkok Airways
Tue 17/307:00USM - BKK
Nonstop1h 15mBangkok Airways
Deal found 28/10฿5,325
Wed 12/1107:00BKK - USM
Nonstop1h 10mBangkok Airways
Tue 25/1107:00USM - BKK
Nonstop1h 15mBangkok Airways
Deal found 26/10฿5,358
Fri 21/1106:10BKK - USM
Nonstop1h 35mBangkok Airways
Wed 26/1119:10USM - BKK
Nonstop1h 35mBangkok Airways
Deal found 26/10฿5,391
Thu 13/1106:10BKK - USM
Nonstop1h 35mBangkok Airways
Mon 17/1107:55USM - BKK
Nonstop1h 15mBangkok Airways
Deal found 28/10฿5,423
Thu 12/318:55DMK - USM
Nonstop1h 35mBangkok Airways
Wed 18/306:45USM - DMK
Nonstop1h 35mBangkok Airways
Deal found 26/10฿5,783

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 28 October 2025.
Use the filters below to find and compare direct flights to Ko Samui that are best for you.

Fly from

Bangkok

Route

Depart

Return

Price

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Sun 8/3

06:30-08:05

Nonstop1h 35m

Ko Samui

Tue 17/3

07:00-08:15

Nonstop1h 15m

฿5,325

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Sun 8/3

06:30-08:05

Nonstop1h 35m

Ko Samui

Fri 20/3

07:00-08:15

Nonstop1h 15m

฿5,325

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Tue 25/11

06:00-07:10

Nonstop1h 10m

Ko Samui

Tue 2/12

07:15-08:50

Nonstop1h 35m

฿5,750

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Mon 12/1

06:35-07:35

Nonstop1h 00m

Ko Samui

Wed 11/3

07:00-08:15

Nonstop1h 15m

฿5,783

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Mon 9/2

06:00-07:10

Nonstop1h 10m

Ko Samui

Sun 15/2

07:55-09:10

Nonstop1h 15m

฿6,077

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Tue 27/1

06:00-07:10

Nonstop1h 10m

Ko Samui

Tue 10/2

07:55-09:10

Nonstop1h 15m

฿6,110

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Mon 12/1

07:00-08:10

Nonstop1h 10m

Ko Samui

Tue 10/3

07:00-08:15

Nonstop1h 15m

฿6,142

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Wed 11/3

19:45-21:20

Nonstop1h 35m

Ko Samui

Mon 16/3

07:00-08:15

Nonstop1h 15m

฿6,273

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Wed 15/4

16:40-17:45

Nonstop1h 05m

Ko Samui

Sat 2/5

07:00-08:15

Nonstop1h 15m

฿6,273

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Thu 27/11

06:00-07:10

Nonstop1h 10m

Ko Samui

Thu 4/12

07:55-09:10

Nonstop1h 15m

฿6,273

Flights are sorted by cheapest return flights first.

Deals found on 28/10

Showing 1-10 of 41 results
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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 28 October 2025.
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
8.0
Very Good
115 reviews
Check prices

Crew

8.5

Food

7.2

Comfort

7.9

Entertainment

6.2

Overall

8.0

Boarding

8.0

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.
Bangkok Airways
8.0
Very Good
115 reviews
Bangkok Airways
8.0
Very Good
115 reviews
Check prices

Crew

8.5

Food

7.2

Comfort

7.9

Entertainment

6.2

Overall

8.0

Boarding

8.0

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.

Temperature and rainfall in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average temperature and rainfall totals by month.

USM

Temperature

27 - 29 °C

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).

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 ฿5,588. If you're looking for a direct return flight to Ko Samui, you can expect to pay around ฿8,778.

  • 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 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. September 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 ฿6,587.

See more FAQs

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