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Cheap flights from Ko Samui to Thailand from ฿3,285

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 13/6. Fares are subject to change and may not be available on all flights or dates of travel.
USM — BKK
26 Mar — 2 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ko Samui to Thailand

Enter your travel dates to find the best prices.

Cheapest flights from Ko Samui to Thailand
Explore the most affordable flight options available from Ko Samui to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 February 2026.

Thu 14/517:00
USM
-
KBV
Nonstop0h 50m
Bangkok Airways
Sat 23/518:25
KBV
-
USM
Nonstop0h 50m
Bangkok Airways
Deal found 21/2฿4,897
Sun 10/517:00
USM
-
KBV
Nonstop0h 50m
Bangkok Airways
Fri 15/518:25
KBV
-
USM
Nonstop0h 50m
Bangkok Airways
Deal found 23/2฿5,176
Thu 14/506:00
USM
-
KBV
1 stop14h 10m
Multiple Airlines
Sat 23/518:25
KBV
-
USM
Nonstop0h 50m
Multiple Airlines
Deal found 21/2฿5,548
Thu 25/606:55
USM
-
DMK
Nonstop1h 30m
Bangkok Airways
Thu 25/618:15
DMK
-
USM
Nonstop1h 30m
Bangkok Airways
Deal found 22/2฿5,641
Fri 11/919:00
USM
-
BKK
1 stop4h 15m
Multiple Airlines
Sun 13/907:00
BKK
-
USM
1 stop7h 50m
Multiple Airlines
Deal found 20/2฿5,672
Fri 11/906:55
USM
-
DMK
Nonstop1h 30m
Bangkok Airways
Sun 13/913:25
DMK
-
USM
Nonstop1h 30m
Bangkok Airways
Deal found 20/2฿5,858
Sat 23/506:55
USM
-
DMK
Nonstop1h 30m
Bangkok Airways
Wed 27/518:15
DMK
-
USM
Nonstop1h 30m
Bangkok Airways
Deal found 22/2฿5,920
Sat 25/406:00
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Tue 28/406:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Deal found 22/2฿6,044
Mon 11/506:55
USM
-
DMK
Nonstop1h 30m
Bangkok Airways
Mon 11/518:15
DMK
-
USM
Nonstop1h 30m
Bangkok Airways
Deal found 20/2฿6,044
Thu 23/406:00
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Mon 27/406:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Deal found 22/2฿6,075
Mon 11/506:55
USM
-
DMK
Nonstop1h 30m
Bangkok Airways
Thu 25/618:15
DMK
-
USM
Nonstop1h 30m
Bangkok Airways
Deal found 23/2฿6,075
Sat 25/408:45
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Mon 27/406:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Deal found 23/2฿6,106

Find flight deals from Ko Samui to Thailand

Keep the following information in mind while searching for Ko Samui to Thailand flight deals. Data was last updated 24 February 2026.

Round-trip from

฿4,897

One-way from

฿3,285

Popular in

March

Cheapest in

September

Average price

฿6,973

Good round-trip deal

฿5,749 or less

Good one-way deal

฿3,947 or less
Bangkok Airways
  • Bangkok Airways
  • 14/5-23/5
  • Nonstop
  • 1h 40m total
  • Ko Samui to Thailand
Search Deals
Bangkok Airways
  • Bangkok Airways
  • 13/6
  • Nonstop
  • 1h 45m total
  • Ko Samui to Thailand
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (฿3,667 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿5,569 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Ko Samui to Thailand.
Search Deals
Price to beat on a one-way flight from Ko Samui to Thailand.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ko Samui to Thailand that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 24 February 2026.
Use the filters below to find and compare flights from Ko Samui to Thailand that are best for you.

Fly from

Ko Samui

Fly to

Thailand

Route

Depart

Return

Price

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Sat 25/4

08:45-10:00

Nonstop1h 15m

Bangkok Suvarnabhumi

Mon 27/4

06:05-07:10

Nonstop1h 05m

฿6,106

Ko SamuiPhuket City

USM - HKT

USMHKT

Ko Samui

Tue 28/4

19:00-20:00

Nonstop1h 00m

Phuket City

Thu 30/4

07:30-08:25

Nonstop0h 55m

฿6,137

Ko SamuiRayong

USM - UTP

USMUTP

Ko Samui

Fri 12/6

11:10-12:20

Nonstop1h 10m

Utapao Rayong Pattaya

Tue 16/6

17:20-18:25

Nonstop1h 05m

฿6,168

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Tue 14/4

19:45-21:15

Nonstop1h 30m

Bangkok Suvarnabhumi

Fri 17/4

06:05-07:10

Nonstop1h 05m

฿6,725

Ko SamuiPhuket City

USM - HKT

USMHKT

Ko Samui

Thu 9/4

09:15-10:15

Nonstop1h 00m

Phuket City

Thu 16/4

17:05-18:00

Nonstop0h 55m

฿6,880

Ko SamuiPhuket City

USM - HKT

USMHKT

Ko Samui

Mon 13/4

08:00-09:00

Nonstop1h 00m

Phuket City

Mon 20/4

19:30-20:25

Nonstop0h 55m

฿6,911

Ko SamuiPhuket City

USM - HKT

USMHKT

Ko Samui

Sat 21/3

08:15-09:15

Nonstop1h 00m

Phuket City

Sun 22/3

19:55-20:50

Nonstop0h 55m

฿7,035

Ko SamuiPhuket City

USM - HKT

USMHKT

Ko Samui

Wed 15/4

14:30-15:30

Nonstop1h 00m

Phuket City

Wed 29/4

19:30-20:25

Nonstop0h 55m

฿7,252

Ko SamuiPhuket City

USM - HKT

USMHKT

Ko Samui

Wed 8/4

19:00-20:00

Nonstop1h 00m

Phuket City

Wed 15/4

07:30-08:25

Nonstop0h 55m

฿7,314

Ko SamuiBangkok

USM - DMK

USMDMK

Ko Samui

Mon 11/5

08:00-13:05

1 stop5h 05m

Bangkok Don Mueang Intl

Mon 11/5

18:15-19:45

Nonstop1h 30m

฿7,376

Flights are sorted by cheapest return flights first.

Deals found on 20/2

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

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

Cheapflights Insights

Everything you need to know about your flight from Ko Samui to Thailand

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

Currently, July is the cheapest month in which you can book a flight from Ko Samui to Thailand (average of ฿558). Flying from Ko Samui to Thailand in August is currently the most expensive (average of ฿1,767). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from USM to TH?

Find hourly flight availability from Ko Samui to Thailand. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 24 February 2026.

It’s typically best to fly out from Ko Samui to Thailand at midday. Doing so could potentially save you 31% on the flight price compared to flying in the evening, which is usually more expensive.

Weekly flight availability from Ko Samui to Thailand

Explore weekly flight availability from Ko Samui to Thailand. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 24 February 2026.

The most flights from USM to TH0 are scheduled on a Monday (352 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (324 on average).

How often are flights from Ko Samui to Thailand delayed?

About 13% of weekly flights between Ko Samui and Thailand have experienced delays in the past year, with the average delay time being 91 minutes.

What is the most punctual flight time for Ko Samui to Thailand flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Ko Samui to Thailand flights?

Over the past year, Bangkok Airways have had the lowest number of delays on this route, with just 13% of flights being delayed.

Reviews of airlines servicing Thailand

Get insights into the airlines that provide service to Thailand. 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 Thailand. Reviews last updated 24 February 2026.
See what other customers who have flown with Bangkok Airways from Ko Samui to Thailand have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Bangkok Airways
8.1
Very Good
125 reviews
Check prices

Entertainment

6.3

Food

7.3

Boarding

8.1

Comfort

8.0

Overall

8.1

Crew

8.6

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect
Bangkok Airways
8.1
Very Good
125 reviews
Bangkok Airways
8.1
Very Good
125 reviews
Check prices

Entertainment

6.3

Food

7.3

Boarding

8.1

Comfort

8.0

Overall

8.1

Crew

8.6

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect

Related info for your journey

Find useful and relevant information for your journey from Ko Samui to Thailand. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ko Samui to Thailand?

    For a flight from Ko Samui to Thailand, you will be flying from Ko Samui. Ko Samui (USM) is just 3.3 km from the centre of the city.

  • How long is the flight from Ko Samui to Thailand?

    There are many flights that can get you from Ko Samui to Thailand in 1h 15m. Fly via Bangkok Airways to get the fastest option. Airlines will cover a distance of 467 km. All flights are typically direct.

  • What are the cheapest airlines to fly from Ko Samui to Thailand one-way?

    For one-way options, check prices for Bangkok Airways. According to our data, you can fly for as low as ฿2,609. Users have also found prices from ฿6,220 and ฿6,614 on Thai Airways and เตอร์กิชแอร์ไลน์, respectively.

  • What are the most popular routes from Ko Samui to Thailand?

    The most popular flight routes from Ko Samui to Thailand are Ko Samui - Bangkok Suvarnabhumi, Ko Samui - Bangkok Don Mueang Intl and Ko Samui - Chiang Mai.

  • What are the most reliable airlines from Ko Samui to Thailand?

    Consider Garuda Indonesia (90%), สวิส อินเตอร์เนชั่นแนล แอร์ไลน์ (89%) or แอร์ฟร้านซ์ (88%) when booking your flight. These represent the most reliable airlines when flying from Ko Samui to Thailand.

  • What are the cheapest flights from Ko Samui to Thailand?

    While on average a flight from Ko Samui to Thailand is generally ฿25,537, our data shows the cheapest flight currently is ฿3,003. When looking at the most popular route, (Ko Samui - Bangkok Suvarnabhumi), you can expect to pay ฿4,525 for that flight.

  • Can I find deals for flights from Ko Samui to Thailand that include hotel bookings?

    Yes. In addition to deals on Ko Samui to Thailand flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ko Samui to Thailand?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ko Samui to Thailand.

  • Can I find deals for business class flights from Ko Samui to Thailand?

    Yes. Cheapflights offers flight deals from Ko Samui to Thailand by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, July is the cheapest month in which you can book a flight from Ko Samui to Thailand (average of ฿558). Flying from Ko Samui to Thailand in August is currently the most expensive (average of ฿1,767). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ko Samui to Thailand

See prices for flight routes from nearby airports that may be better suited for you.
Phuket City to Ko Samui flights
Chiang Mai to Ko Samui flights
Chiang Mai to Phuket City flights
Phuket City to Chiang Mai flights

Top airline flying from Ko Samui to Thailand

Discover the top airline that operate flights from Ko Samui to Thailand. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 24 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest฿2,843Average฿9,909FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ko Samui to Thailand?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Thailand from Ko Samui today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from Ko Samui to Thailand for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

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

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

Yes, Cheapflights offers price alerts on Ko Samui to Thailand flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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