$78+ Cheap flights from Ko Samui
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
Find flights from Ko Samui within your budget
Fly to
Route
Depart
Return
Ko SamuiChiang Mai
USM Ko Samui - CNX Chiang Mai
USMCNX
Ko Samui
Wed 1/27
8:50 am-10:40 am
Nonstop1h 50m
Chiang Mai
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
Ko SamuiPhuket City
USM Ko Samui - HKT Phuket City
USMHKT
Ko Samui
Mon 12/14
7:00 pm-8:00 pm
Nonstop1h 00m
Phuket City
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
Ko SamuiPhuket City
USM Ko Samui - HKT Phuket City
USMHKT
Ko Samui
Thu 12/24
8:15 am-9:15 am
Nonstop1h 00m
Phuket City
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
Ko SamuiChiang Mai
USM Ko Samui - CNX Chiang Mai
USMCNX
Ko Samui
Mon 10/12
8:55 am-10:40 am
Nonstop1h 45m
Chiang Mai
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
Ko SamuiPhuket City
USM Ko Samui - HKT Phuket City
USMHKT
Ko Samui
Thu 10/15
11:25 am-12:25 pm
Nonstop1h 00m
Phuket City
Sun 10/18
1:45 pm-2:40 pm
Nonstop0h 55m
Ko SamuiBangkok
USM Ko Samui - BKK Bangkok Suvarnabhumi
USMBKK
Ko Samui
Tue 1/19
7:15 am-8:50 am
Nonstop1h 35m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
Ko SamuiBangkok
USM Ko Samui - BKK Bangkok Suvarnabhumi
USMBKK
Ko Samui
Fri 2/26
7:15 am-8:50 am
Nonstop1h 35m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
Ko SamuiChiang Mai
USM Ko Samui - CNX Chiang Mai
USMCNX
Ko Samui
Tue 10/20
5:35 pm-11:25 pm
1 stop5h 50m
Chiang Mai
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
Ko SamuiBangkok
USM Ko Samui - BKK Bangkok Suvarnabhumi
USMBKK
Ko Samui
Fri 9/18
8:00 am-12:05 pm
1 stop4h 05m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
Ko SamuiBangkok
USM Ko Samui - BKK Bangkok Suvarnabhumi
USMBKK
Ko Samui
Tue 9/22
8:50 pm-10:20 pm
Nonstop1h 30m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
Compare providers for flights from Ko Samui
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ko Samui in September
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: Among all the travel providers offering deals on flights from Ko Samui, FlightHub has been found to have the most accurate pricing. Users can find the same prices on deals on Cheapflights as FlightHub about >95% of the time. This is based on searches for flights from Ko Samui made on Cheapflights over the past month and is updated monthly.
- Most trusted provider: In terms of trustworthiness, Cheapflights users rate FlightHub the highest out of those offering flight deals from Ko Samui. FlightHub has a user feedback rating of 3 out of 3 stars (3 being the best) and has received the most positive sentiment from Cheapflights users searching for flights from Ko Samui. This info is gathered from Cheapflights searches over the past month.
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.
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.
What is the cheapest month to book a flight from Ko Samui?
Currently, May is the cheapest month in which you can book a flight from Ko Samui (average of $177). Flying from Ko Samui in July will prove the most costly (average of $316). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.
Which airlines fly from Ko Samui?
For flights departing from Ko Samui check dates and pricing for the following: Bangkok Airways. This airline departs to the following popular destinations: Bangkok.
What are popular destinations to fly to from Ko Samui?
Some of the most frequent flights departing from Ko Samui everyday are: Bangkok (2,173 flights per day), Phuket City (441 flights per day), and Singapore (231 flights per day).
What is the cheapest place to fly to from Ko Samui?
The cheapest city to fly to from Ko Samui is Utapao Rayong Pattaya, with prices starting at $75. Explore other affordable destinations below.
When is the best time to book a flight from Ko Samui?
To ensure you get the cheapest price possible for a flight from Ko Samui, you should look to book at least 88 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
When is the cheapest time to fly from Ko Samui?
Use this chart to determine the cheapest time to fly round-trip from Ko Samui to Suvarnabhumi. Price data was last updated on September 5, 2026.
Those who are seeking the cheapest fare on flights departing from Ko Samui would be wise to consider leaving during Wednesday at noon when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Wednesday evenings when fares are usually the most expensive.
Airline reviews for flights from Ko Samui
Read reviews and ratings of airlines operating flights from Ko Samui. Gain insights into the quality of service, in-flight amenities, customer experiences, and overall satisfaction to choose the best airline for your Ko Samui travel. Please note that the reviews are sourced from user searches and were last updated on September 9, 2026. In the last 7 days, Cheapflights users made a total of 7,457,451 searches.
Get a feel of what it's like to fly with Bangkok Airways from Ko Samui by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Overall
Entertainment
Comfort
Crew
Food
Reviews
Agata,Feb 2026
USM - DMK
Boarding
Overall
Entertainment
Comfort
Crew
Food
Reviews
Agata,Feb 2026
USM - DMK
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Airports servicing
Fly out of one of these airports located in .
Fly from other Thailand cities
Consider departing from one of these cities also located in Thailand. Flight origins are based on user searches made on Cheapflights and were last updated on September 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 September 9, 2026.