฿2,778+ Cheap flights from Ko Samui

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
USM — BKK
7 Sep — 14 Sep1
1 adult

What to know about flights from Ko Samui

Discover essential information about flights departing from Ko Samui, including flight schedules, destinations, airlines operating at the Ko Samui airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 2 September 2025.

Cheapest one-way flight

฿2,429

Cheapest airline

Bangkok Airways

Most popular destination

Bangkok Suvarnabhumi (BKK)

Good round-trip deal

฿5,485 or less

Good one-way deal

฿3,946 or less
The cheapest one-way flight from Ko Samui is currently to Phuket City.
On average, Bangkok Airways currently has the cheapest one-way flight from Ko Samui (avg. price of ฿6,961).
Bangkok Suvarnabhumi (BKK) is currently the most popular flight destination from Ko Samui (average return price of ฿5,821).
Price to beat on a round-trip flight from Ko Samui.
Price to beat on a one-way flight from Ko Samui.

Find flights from Ko Samui

Cheapest flights from Ko Samui
Explore the most affordable flight options available from Ko Samui. Find the lowest fares based on data from user searches, with prices last updated on 2 September 2025.

Wed 22/1007:00USM - BKK
Nonstop1h 15mBangkok Airways
Fri 31/1006:00BKK - USM
Nonstop1h 10mBangkok Airways
Deal found 31/8฿4,554
Thu 23/1007:00USM - BKK
Nonstop1h 15mBangkok Airways
Sun 26/1006:00BKK - USM
Nonstop1h 10mBangkok Airways
Deal found 31/8฿4,586
Thu 23/1007:00USM - BKK
Nonstop1h 15mBangkok Airways
Mon 27/1007:30BKK - USM
Nonstop1h 35mBangkok Airways
Deal found 1/9฿4,845
Thu 16/1008:00USM - HKT
Nonstop1h 00mBangkok Airways
Sat 18/1017:05HKT - USM
Nonstop0h 55mBangkok Airways
Deal found 31/8฿4,974
Wed 19/1107:00USM - BKK
Nonstop1h 15mBangkok Airways
Tue 25/1106:00BKK - USM
Nonstop1h 10mBangkok Airways
Deal found 30/8฿4,974
Wed 12/1106:45USM - DMK
Nonstop1h 35mBangkok Airways
Wed 12/1118:55DMK - USM
Nonstop1h 35mBangkok Airways
Deal found 1/9฿5,103
Fri 17/1019:00USM - HKT
Nonstop1h 00mBangkok Airways
Sat 25/1019:30HKT - USM
Nonstop0h 55mBangkok Airways
Deal found 31/8฿5,135
Fri 19/919:00USM - HKT
Nonstop1h 00mBangkok Airways
Sun 21/919:30HKT - USM
Nonstop0h 55mBangkok Airways
Deal found 31/8฿5,168
Thu 16/1008:00USM - HKT
Nonstop1h 00mBangkok Airways
Sun 19/1013:00HKT - USM
Nonstop0h 55mBangkok Airways
Deal found 1/9฿5,264
Tue 25/1107:00USM - BKK
Nonstop1h 15mBangkok Airways
Sun 7/1206:00BKK - USM
Nonstop1h 10mBangkok Airways
Deal found 1/9฿5,329
Fri 17/1008:00USM - BKK
Nonstop1h 15mBangkok Airways
Fri 24/1006:15BKK - USM
Nonstop1h 05mBangkok Airways
Deal found 1/9฿5,361
Sat 18/1007:00USM - BKK
Nonstop1h 15mBangkok Airways
Sun 19/1010:10BKK - USM
Nonstop1h 30mBangkok Airways
Deal found 1/9฿5,426

Find flights from Ko Samui within your budget

 
Find flights departing from Ko Samui that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 2 September 2025. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Suvarnabhumi

Route

Depart

Return

Price

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Mon 20/10

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Fri 24/10

06:15-07:20

Nonstop1h 05m

฿4,554

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Sat 20/9

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Mon 22/9

06:15-07:20

Nonstop1h 05m

฿4,554

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Wed 22/10

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Fri 31/10

06:00-07:10

Nonstop1h 10m

฿4,554

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Wed 22/10

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Sat 25/10

06:15-07:20

Nonstop1h 05m

฿4,554

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Thu 23/10

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Sun 26/10

06:00-07:10

Nonstop1h 10m

฿4,554

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Tue 10/2

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Sun 22/2

06:00-07:10

Nonstop1h 10m

฿4,586

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Thu 23/10

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Mon 27/10

06:00-07:10

Nonstop1h 10m

฿4,586

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Wed 11/2

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Fri 13/2

06:00-07:10

Nonstop1h 10m

฿4,586

Ko SamuiPhuket City

USM - HKT

USMHKT

Ko Samui

Thu 16/10

08:00-09:00

Nonstop1h 00m

Phuket City

Sat 18/10

17:05-18:00

Nonstop0h 55m

฿4,974

Ko SamuiBangkok

USM - DMK

USMDMK

Ko Samui

Wed 12/11

06:45-08:20

Nonstop1h 35m

Bangkok Don Mueang Intl

Wed 12/11

18:55-20:30

Nonstop1h 35m

฿5,103

Flights are sorted by cheapest return flights first.

Deals found on 1/9

Showing 1-10 of 60 results
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Best time to book a flight from Ko Samui

Have a flexible travel schedule? Discover the best time to fly from 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.

Travel insights for flights from Ko Samui

Get recent, data-driven insights about flights from Ko Samui including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Ko Samui?

Use this chart to determine the optimal time to book a return flight from Ko Samui to Suvarnabhumi. Price data was last updated on 29 August 2025.

Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ko Samui. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Ko Samui?

Currently, June is the cheapest month in which you can book a flight from Ko Samui (average of ฿549). Flying from Ko Samui in November will prove the most costly (average of ฿1,679). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

When is the cheapest time to fly from Ko Samui?

Use this chart to determine the cheapest time to fly return from Ko Samui to Suvarnabhumi. Price data was last updated on 31 August 2025.

Those who are seeking the cheapest fare on flights departing from Ko Samui would be wise to consider leaving during Monday afternoons when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Tuesday afternoons when fares are usually the most expensive.

Airline reviews for flights from Ko Samui

Get insights into the airlines that provide service from 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 airline for your flight from Ko Samui. In the last 7 days, Cheapflights users made a total of 17,341 searches.
Read reviews from past customers who have flown Bangkok Airways from Ko Samui. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.2

Comfort

7.8

Overall

8.0

Entertainment

6.2

Crew

8.5

Boarding

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.

Food

7.2

Comfort

7.8

Overall

8.0

Entertainment

6.2

Crew

8.5

Boarding

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.

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Fly your favourite airline from Ko Samui

Browse through various options for flying your favourite airline from Ko Samui. Flight routes are based on user searches made on Cheapflights and were last updated on 2 September 2025.

Related info for your journey

Access useful and relevant information related to your journey from Ko Samui. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 2 September 2025.
  • What are the most popular destinations to fly to from Ko Samui?

    The most selected flight destinations from Ko Samui for the current month are Bangkok Suvarnabhumi Airport, Phuket City, Singapore. While Bangkok Suvarnabhumi Airport, Singapore, Phuket City are the top choices made by travellers year-round.

  • What is the cheapest flight from Ko Samui to anywhere?

    Users have flown out of Ko Samui for as low as ฿2,429 to Phuket City (prices may vary depending on the airline and departure time). On average, users have booked flights for ฿28,501 to fly from Ko Samui.

  • What is the cheapest premium economy flight from Ko Samui?

    If you're looking for an elevated level of comfort for your next adventure, premium economy flights from Ko Samui may suit your needs. The cheapest premium economy flights from Ko Samui are:
    Fly Ko Samui to Singapore from ฿35,448
    Fly Ko Samui to Bangkok Suvarnabhumi Airport from ฿67,338

  • What is the cheapest month to fly from Ko Samui?

    At the present moment the cheapest month to fly from Ko Samui is currently June; with November being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Ko Samui?

    Here are some of the cheapest flight destinations from Ko Samui:
    Fly from Ko Samui to Bangkok from ฿4,554

  • How does Cheapflights help users find flights from Ko Samui?

    When you search for this flight from Ko Samui, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

  • Why should you use Cheapflights to find cheap flight tickets from Ko Samui?

    It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ko Samui.

  • Can Cheapflights find flights from Ko Samui with no change fees?

    Yes! Cheapflights helps users easily find flights from Ko Samui with no change fees.

  • Can Cheapflights notify me if prices for flights from Ko Samui become cheaper?

    Yes, Cheapflights offers price alerts on flights from Ko Samui so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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How does Cheapflights help users find flights from Ko Samui?

When you search for this flight from Ko Samui, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

Why should you use Cheapflights to find cheap flight tickets from Ko Samui?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ko Samui.

Can Cheapflights find flights from Ko Samui with no change fees?

Yes! Cheapflights helps users easily find flights from Ko Samui with no change fees.

Can Cheapflights notify me if prices for flights from Ko Samui become cheaper?

Yes, Cheapflights offers price alerts on flights from Ko Samui so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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