USM

฿2,087 Find Cheap Flights to Ko Samui – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Ko Samui departing on 27/10. 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.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return fare
฿4,375
Typical prices: ฿4,476-฿7,102
Bangkok Airways
Sun 6/9Thu 17/9
UTP - USM • Direct
Cheapest direct flights
฿4,678
Typical prices: ฿4,476-฿7,102
Bangkok Airways
Wed 2/9Sat 5/9
UTP - USM • Direct
When to book
in advance
Our data shows that travellers who book at least 14 weeks in advance save around 17% compared to booking last minute.
Insights
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Insights
When to travel
Cheapest • 16% price drop
Most popular
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights to Ko Samui

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights to Ko Samui that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals to Ko Samui

Sun 6 Sep - Thu 17 Sep
Bangkok Airways Logo
17:20 - 18:25
UTP
-
USM
1h 05mdirect
Bangkok Airways Logo
11:10 - 12:20
USM
-
UTP
1h 10mdirect
฿4,375Bangkok Airways
Wed 2 Sep - Sat 5 Sep
Bangkok Airways Logo
17:20 - 18:25
UTP
-
USM
1h 05mdirect
Bangkok Airways Logo
11:10 - 12:20
USM
-
UTP
1h 10mdirect
฿4,678Bangkok Airways
Thu 3 Sep - Sun 6 Sep
Bangkok Airways Logo
18:25 - 19:15
KBV
-
USM
0h 50mdirect
Bangkok Airways Logo
17:00 - 17:50
USM
-
KBV
0h 50mdirect
฿4,813Bangkok Airways
Sat 12 Sep - Sat 26 Sep
Bangkok Airways Logo
18:25 - 19:15
KBV
-
USM
0h 50mdirect
Bangkok Airways Logo
17:00 - 17:50
USM
-
KBV
0h 50mdirect
฿4,981Bangkok Airways
Thu 3 Sep - Sun 6 Sep
Bangkok Airways Logo
07:30 - 08:25
HKT
-
USM
0h 55mdirect
Bangkok Airways Logo
09:15 - 10:15
USM
-
HKT
1h 00mdirect
฿4,981Bangkok Airways
Thu 3 Sep - Sun 6 Sep
Bangkok Airways Logo
18:25 - 19:15
KBV
-
USM
0h 50mdirect
Bangkok Airways Logo
17:00 - 17:50
USM
-
KBV
0h 50mdirect
฿5,015Bangkok Airways
Sat 5 Sep - Sat 19 Sep
Bangkok Airways Logo
07:30 - 08:25
HKT
-
USM
0h 55mdirect
Bangkok Airways Logo
09:15 - 10:15
USM
-
HKT
1h 00mdirect
฿5,015Bangkok Airways
Thu 3 Sep - Sun 6 Sep
Bangkok Airways Logo
18:25 - 19:15
KBV
-
USM
0h 50mdirect
Bangkok Airways Logo
17:00 - 17:50
USM
-
KBV
0h 50mdirect
฿5,049Bangkok Airways
Thu 17 Sep - Sun 20 Sep
Multiple Airlines Logo
06:05 - 07:10
BKK
-
USM
1h 05mdirect
Multiple Airlines Logo
17:00 - 22:05
USM
-
BKK
5h 05m
1 stop
฿6,227Multiple Airlines
Fri 4 Sep - Wed 16 Sep
Multiple Airlines Logo
21:00 - 08:25
BKK
-
USM
11h 25m
1 stop
Multiple Airlines Logo
07:50 - 09:05
USM
-
BKK
1h 15mdirect
฿6,429Multiple Airlines
Booking Insights

KAYAK's insights & trends for flights to Ko Samui

Get data-powered insights and trends into flights to Ko Samui to help you find the cheapest flights, the best time to fly and much more.

How much is a flight to Ko Samui?

The average and cheapest price for all round-trip flights to Ko Samui from each origin found by users searching on KAYAK in the last month.

A flight to Ko Samui costs ฿7,977 on average. The cheapest price found on KAYAK in the last 2 weeks cost ฿2,820 and departed from Bangkok Suvarnabhumi Airport. The most popular routes on KAYAK are Bangkok to Ko Samui which costs ฿11,478 on average, and Bangkok to Ko Samui, which costs ฿8,489 on average.

See prices from:

What is the cheapest day to fly to Ko Samui?

The average price of all round-trip flights to Ko Samui clicked on KAYAK for each day over the last 12 months.

Based on KAYAK data, the cheapest day to fly to Ko Samui is Sunday where round-trip tickets can be as cheap as ฿8,523. On the other hand, the most expensive day to fly is Saturday, where round-trip prices are ฿10,712 on average.

What is the cheapest month to fly to Ko Samui?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights to Ko Samui, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights to Ko Samui is October, where tickets cost ฿7,169 on average for return flights. On the other hand, the most expensive months are July and August, where the average cost of tickets from Thailand is ฿9,963 and ฿9,794 respectively. For one-way flights, the best month to travel is October with an average price of ฿3,904.

What is the cheapest time of day to fly to Ko Samui?

The average price for all round-trip flights to Ko Samui depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to Ko Samui is generally in the morning, when round-trip flights cost ฿9,152 on average. The most expensive time of day to fly to Ko Samui is generally in the afternoon, which is peak travel time and where the average cost of a ticket is ฿10,727.

What is a good deal for flights to Ko Samui?

If you’re looking for cheap airfare to Ko Samui, 25% of our users found tickets to Ko Samui for the following prices or less: From Bangkok Suvarnabhumi Airport ฿9,679 return.

How far in advance should I book a flight to Ko Samui?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Ko Samui, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price, you should book around 14 weeks before departure, which saves you about 17% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

Good to know – Book Cheap Ko Samui Plane Tickets

Low season

October
Best time to beat the crowds (18% less expensive on average)
Most popular time to fly (8% more expensive on average)

When to book flights to Ko Samui

Are your dates flexible? Find out the best times to travel to Ko Samui based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. The information is for flights to Ko Samui based on your location. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs - booking Ko Samui flights

  • How far is Ko Samui Airport from central Ko Samui?

    The city centre of Ko Samui is 3 km from Ko Samui.

  • What is the name of Ko Samui’s airport?

    Ko Samui is served by Ko Samui Airport, also commonly referred to as Ko Samui, Koh Samui, or Samui. The airport code is USM.

  • How much is a flight to Ko Samui?

    On average, a flight to Ko Samui costs ฿7,977. The cheapest price found on KAYAK in the last 2 weeks cost ฿2,820 and departed from Bangkok Suvarnabhumi Airport.

  • How does KAYAK find such low prices on flights to Ko Samui?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Ko Samui.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Ko Samui?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ko Samui is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights to Ko Samui?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ko Samui with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to Ko Samui?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ko Samui up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to Ko Samui

  • Looking for cheap airfare to Ko Samui? 25% of our users found return tickets to Ko Samui for the following prices or less: From Phuket City ฿3,862, from Bangkok Suvarnabhumi ฿7,681, from Bangkok Don Mueang Intl ฿8,489
  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Ko Samui flight deals.

Reviews of the top airline flying to Ko Samui

 
See real verified KAYAK customer reviews for airlines flying to Ko Samui. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from Thailand to Ko Samui. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with to Ko Samui? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.1
Bangkok AirwaysOverall score based on 133 reviews
7.9Comfort
7.3Food
8.1Boarding
8.6Crew
6.3Entertainment
Airline reviews

Excellent airline. Seats were very comfortable with lots of legroom. In flight service was excellent as well

10.0 Excellentpuravi, Jan 2026
KBV - BKK
Read more Bangkok Airways reviews

Excellent airline. Seats were very comfortable with lots of legroom. In flight service was excellent as well

We were pleased with the flight experience. Nothing to complain or shout about. Unfortunately the rating scale in this survey will skew the results and give a false impression of what really happened. For example, we didn’t use the entertainment system yet we are forced to reply. A far more insightful scale would include “not applicable.”

We flew business class this time. The food in their economy class is much better in general. Also only coffee, tea and orange juice is free. Beer can be bought only. Same as economy, so their business class service is poor.

Nice flight, stress-free but why bother serving a meal on a 55 minute flight. From what I saw there was a lot of waste because travellers weren't interesting in eating on this short trip. Get rid of the meal and cut the price.

Efficient, comfortable and clean-very good flight with friendly staff and crew

On a 45 mins flight to Koh Samui from Bangkok we were served delicious shrimp pad thai and hot tea. The flight crew did an awesome job serving a full flight.

Seats are tight and leg room so small. We had deep impressions under kneecap from the seat in front. A sign that Bangkok Airways is fully aware how small it is built is the cutout in the table. Very uncomfortable for people in size 1.80 m or more.

This is my 2nd flight with this airline. Service is very good. I was surprised they served a meal on such a short flight. The airplane landed so smooth that most people were unaware the plane had just landed. About half of the people on board applauded.

The staff were helpful and very pleasant. The food is tasty and there’s plenty of water provided. Flights are well air conditioned.

I fly Bangkok Air regularly. Could say I am loyal to their airlines and program. The only two comments of critique I could offer is (1) using the credits from accumulated miles is not as streamlines as some of the other airlines programs I am or have been a member of... and have lost opportunity to use them before expiration. (2) Sometimes, the plane is boarded / un-boarded with a service bus that has to navigate the airport and adds unwelcomed overhead time (especially during de-boarding). If have checked luggage this is transparent; if only have carry-on will slow your departure from Suvarnabhumi by ~20 minutes or more. Otherwise, a fine airline.

Travelling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Tao
Khanom
Ko Pha Ngan

Everything you need to know for your flight to Ko Samui

Information on the airport you'll fly into in Ko Samui