Find flights
Deals
When to book
Airlines
FAQs
Thailand (ภาษาไทย)
ภาษาไทย

Cheap flights from Ko Samui to Thailand from ฿2,551

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
USM — BKK
26 Dec — 2 Jan1
1 adult
1 adult, Economy, 0 bags

Find 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 26 November 2025.

Thu 27/1107:00USM - BKK
Nonstop1h 15mBangkok Airways
Mon 1/1206:00BKK - USM
Nonstop1h 10mBangkok Airways
Deal found 24/11฿4,489
Wed 24/1207:15USM - BKK
Nonstop1h 35mBangkok Airways
Wed 31/1206:00BKK - USM
Nonstop1h 10mBangkok Airways
Deal found 25/11฿5,716
Sat 29/1118:30USM - BKK
Nonstop1h 15mBangkok Airways
Mon 1/1206:00BKK - USM
Nonstop1h 10mBangkok Airways
Deal found 24/11฿6,362
Sat 29/1108:15USM - HKT
Nonstop1h 00mBangkok Airways
Mon 1/1219:55HKT - USM
Nonstop0h 55mBangkok Airways
Deal found 25/11฿6,394
Thu 4/1207:00USM - BKK
Nonstop1h 15mBangkok Airways
Sun 7/1206:30BKK - USM
Nonstop1h 35mBangkok Airways
Deal found 25/11฿6,394
Thu 27/1107:00USM - BKK
Nonstop1h 15mBangkok Airways
Thu 4/1206:10BKK - USM
Nonstop1h 35mBangkok Airways
Deal found 24/11฿6,459
Thu 27/1118:15USM - HKT
Nonstop1h 00mBangkok Airways
Mon 1/1219:55HKT - USM
Nonstop0h 55mBangkok Airways
Deal found 24/11฿6,524
Fri 28/1108:15USM - HKT
Nonstop1h 00mBangkok Airways
Mon 1/1219:55HKT - USM
Nonstop0h 55mBangkok Airways
Deal found 25/11฿6,685
Fri 5/1208:15USM - HKT
Nonstop1h 00mBangkok Airways
Sun 7/1207:30HKT - USM
Nonstop0h 55mBangkok Airways
Deal found 24/11฿6,847
Thu 4/1209:20USM - HKT
Nonstop1h 00mBangkok Airways
Sun 7/1219:55HKT - USM
Nonstop0h 55mBangkok Airways
Deal found 26/11฿6,879
Mon 1/1218:15USM - HKT
Nonstop1h 00mBangkok Airways
Thu 4/1207:30HKT - USM
Nonstop0h 55mBangkok Airways
Deal found 25/11฿6,976
Tue 2/1209:00USM - BKK
Nonstop1h 30mBangkok Airways
Tue 9/1206:30BKK - USM
Nonstop1h 35mBangkok Airways
Deal found 24/11฿6,976

Cheap 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 26 November 2025.

Round-trip from

฿4,521

One-way from

฿2,551

Popular in

March

Cheapest in

September

Average price

฿7,751

Good round-trip deal

฿4,237 or less

Good one-way deal

฿3,626 or less
Bangkok Airways
  • Bangkok Airways
  • 26/3-22/4
  • Nonstop
  • 2h 20m total
  • Ko Samui to Thailand
Search Deals
Bangkok Airways
  • Bangkok Airways
  • 12/5
  • Nonstop
  • 1h 15m total
  • Ko Samui to Thailand
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (฿17,791 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿5,365 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 26 November 2025.
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

Wed 25/3

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Wed 22/4

06:15-07:20

Nonstop1h 05m

฿4,521

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Wed 18/3

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Sat 21/3

06:00-07:10

Nonstop1h 10m

฿4,521

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Wed 1/4

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Fri 3/4

06:15-07:20

Nonstop1h 05m

฿4,521

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Thu 19/3

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Wed 25/3

06:00-07:10

Nonstop1h 10m

฿4,521

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Thu 26/3

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Thu 2/4

06:15-07:20

Nonstop1h 05m

฿4,521

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Sat 28/3

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Sun 29/3

06:15-07:20

Nonstop1h 05m

฿4,554

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Sun 24/5

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Tue 2/6

06:15-07:20

Nonstop1h 05m

฿4,554

Ko SamuiBangkok

USM - DMK

USMDMK

Ko Samui

Sat 23/5

15:55-17:25

Nonstop1h 30m

Bangkok Don Mueang Intl

Sun 24/5

18:15-19:45

Nonstop1h 30m

฿5,038

Ko SamuiKrabi

USM - KBV

USMKBV

Ko Samui

Sun 3/5

12:30-13:20

Nonstop0h 50m

Krabi

Thu 7/5

14:00-14:50

Nonstop0h 50m

฿6,298

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Mon 23/3

07:55-09:10

Nonstop1h 15m

Bangkok Suvarnabhumi

Sun 29/3

06:15-07:20

Nonstop1h 05m

฿6,362

Flights are sorted by cheapest return flights first.

Deals found on 24/11

Showing 1-10 of 60 results
1
2
3
...
6

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, June is the cheapest month in which you can book a flight from Ko Samui to Thailand (average of ฿549). Flying from Ko Samui to Thailand in August is currently the most expensive (average of ฿1,776). 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 26 November 2025.

It’s typically best to fly out from Ko Samui to Thailand in the morning. Doing so could potentially save you 42% on the flight price compared to flying in the afternoon, 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 26 November 2025.

The most flights from USM to TH0 are scheduled on a Thursday (316 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (301 on average).

How often are flights from Ko Samui to Thailand delayed?

About 14% 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?

Tuesday 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 14% 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 26 November 2025.
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
8.0
Very Good
117 reviews
Check prices

Crew

8.5

Boarding

8.0

Comfort

7.9

Overall

8.0

Entertainment

6.2

Food

7.3

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
117 reviews
Bangkok Airways
8.0
Very Good
117 reviews
Check prices

Crew

8.5

Boarding

8.0

Comfort

7.9

Overall

8.0

Entertainment

6.2

Food

7.3

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.

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 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 สวิส อินเตอร์เนชั่นแนล แอร์ไลน์ (94%), Garuda Indonesia (92%) or แอร์ฟร้านซ์ (90%) 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 ฿26,926, our data shows the cheapest flight currently is ฿2,398. When looking at the most popular route, (Ko Samui - Bangkok Suvarnabhumi), you can expect to pay ฿4,521 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, June is the cheapest month in which you can book a flight from Ko Samui to Thailand (average of ฿549). Flying from Ko Samui to Thailand in August is currently the most expensive (average of ฿1,776). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ko Samui to Thailand

See prices for flight routes from nearby airports that may be better suited for you.
Chiang Mai to Phuket City flights
Phuket City to Ko Samui flights
Chiang Mai to Krabi flights
Chiang Mai to Ko Samui 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 26 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest฿2,962Average฿9,978FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.