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฿2,314+ 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 19/11. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Find flight deals to Ko Samui

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 17 September 2025.

Thu 30/1006:00BKK - USM
Nonstop1h 10mBangkok Airways
Thu 6/1107:00USM - BKK
Nonstop1h 15mBangkok Airways
Deal found 15/9฿4,533
Thu 30/1006:00BKK - USM
Nonstop1h 10mBangkok Airways
Mon 3/1107:00USM - BKK
Nonstop1h 15mBangkok Airways
Deal found 15/9฿4,565
Sat 22/1106:00BKK - USM
Nonstop1h 10mBangkok Airways
Fri 28/1107:00USM - BKK
Nonstop1h 15mBangkok Airways
Deal found 15/9฿4,597
Thu 20/1106:00BKK - USM
Nonstop1h 10mBangkok Airways
Sun 23/1107:00USM - BKK
Nonstop1h 15mBangkok Airways
Deal found 15/9฿4,660
Mon 12/106:00BKK - USM
Nonstop1h 10mBangkok Airways
Tue 20/107:00USM - BKK
Nonstop1h 15mBangkok Airways
Deal found 15/9฿4,724
Thu 27/1106:00BKK - USM
Nonstop1h 10mBangkok Airways
Tue 2/1207:00USM - BKK
Nonstop1h 15mBangkok Airways
Deal found 16/9฿4,755
Tue 4/1106:00BKK - USM
Nonstop1h 10mBangkok Airways
Tue 18/1119:35USM - BKK
Nonstop1h 35mBangkok Airways
Deal found 15/9฿4,819
Tue 11/1119:15BKK - USM
Nonstop1h 10mBangkok Airways
Tue 2/1207:00USM - BKK
Nonstop1h 15mBangkok Airways
Deal found 15/9฿4,850
Wed 19/1106:10BKK - USM
Nonstop1h 35mBangkok Airways
Sun 23/1107:00USM - BKK
Nonstop1h 15mBangkok Airways
Deal found 16/9฿4,882
Wed 19/1106:10BKK - USM
Nonstop1h 35mBangkok Airways
Wed 26/1107:00USM - BKK
Nonstop1h 15mBangkok Airways
Deal found 15/9฿4,914
Mon 27/1006:10BKK - USM
Nonstop1h 35mBangkok Airways
Tue 28/1007:00USM - BKK
Nonstop1h 15mBangkok Airways
Deal found 15/9฿4,977
Sat 17/106:00BKK - USM
Nonstop1h 10mBangkok Airways
Thu 22/107:00USM - BKK
Nonstop1h 15mBangkok Airways
Deal found 15/9฿5,041

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 17 September 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 9/11

06:00-07:10

Nonstop1h 10m

Ko Samui

Thu 13/11

07:00-08:15

Nonstop1h 15m

฿4,533

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Mon 2/2

06:00-07:10

Nonstop1h 10m

Ko Samui

Wed 11/2

07:00-08:15

Nonstop1h 15m

฿4,533

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Mon 24/11

06:00-07:10

Nonstop1h 10m

Ko Samui

Thu 4/12

07:00-08:15

Nonstop1h 15m

฿4,533

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Fri 9/1

06:00-07:10

Nonstop1h 10m

Ko Samui

Tue 20/1

07:00-08:15

Nonstop1h 15m

฿4,533

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Fri 14/11

06:00-07:10

Nonstop1h 10m

Ko Samui

Mon 17/11

07:00-08:15

Nonstop1h 15m

฿4,533

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Wed 26/11

06:00-07:10

Nonstop1h 10m

Ko Samui

Fri 28/11

07:00-08:15

Nonstop1h 15m

฿4,533

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Sat 7/3

06:00-07:10

Nonstop1h 10m

Ko Samui

Sat 21/3

07:00-08:15

Nonstop1h 15m

฿4,565

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Mon 23/2

06:00-07:10

Nonstop1h 10m

Ko Samui

Mon 23/3

07:00-08:15

Nonstop1h 15m

฿4,565

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Mon 12/1

06:00-07:10

Nonstop1h 10m

Ko Samui

Tue 10/3

07:00-08:15

Nonstop1h 15m

฿4,565

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Mon 2/2

06:00-07:10

Nonstop1h 10m

Ko Samui

Thu 12/2

07:00-08:15

Nonstop1h 15m

฿4,565

Flights are sorted by cheapest return flights first.

Deals found on 15/9

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 17 September 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
113 reviews
Check prices

Entertainment

6.2

Food

7.2

Boarding

8.0

Crew

8.5

Overall

8.0

Comfort

7.9

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
113 reviews
Bangkok Airways
8.0
Very Good
113 reviews
Check prices

Entertainment

6.2

Food

7.2

Boarding

8.0

Crew

8.5

Overall

8.0

Comfort

7.9

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 ฿4,728. If you're looking for a direct return flight to Ko Samui, you can expect to pay around ฿7,929.

  • 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 10m on average. The quickest direct flight to Ko Samui at this time departs from Krabi (0h 45m), 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, May is worth consideration, as prices are usually at their lowest, on average. May 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 ฿5,837.

See more FAQs

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