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Cheap flights from Ko Samui to Thailand from ฿2,725

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 29/11. Fares are subject to change and may not be available on all flights or dates of travel.
USM — BKK
4 Dec — 11 Dec1
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 4 November 2025.

Tue 4/1107:00USM - BKK
Nonstop1h 15mBangkok Airways
Tue 11/1118:40BKK - USM
Nonstop1h 35mBangkok Airways
Deal found 3/11฿5,418
Tue 4/1107:00USM - BKK
Nonstop1h 15mBangkok Airways
Sat 8/1106:20BKK - USM
Nonstop1h 10mBangkok Airways
Deal found 3/11฿5,775
Thu 20/1111:10USM - UTP
Nonstop1h 10mBangkok Airways
Sun 23/1117:25UTP - USM
Nonstop1h 05mBangkok Airways
Deal found 3/11฿5,808
Tue 4/1119:05USM - HKT
Nonstop1h 00mBangkok Airways
Tue 11/1117:30HKT - USM
Nonstop0h 55mBangkok Airways
Deal found 3/11฿5,840
Tue 25/1108:30USM - BKK
Nonstop1h 15mBangkok Airways
Thu 27/1106:20BKK - USM
Nonstop1h 10mBangkok Airways
Deal found 2/11฿5,937
Sat 15/1115:50USM - HKT
Nonstop1h 00mBangkok Airways
Mon 17/1116:35HKT - USM
Nonstop0h 55mBangkok Airways
Deal found 2/11฿6,002
Thu 18/1207:55USM - BKK
Nonstop1h 15mBangkok Airways
Sun 21/1206:00BKK - USM
Nonstop1h 10mBangkok Airways
Deal found 3/11฿6,067
Tue 4/1119:05USM - HKT
Nonstop1h 00mBangkok Airways
Fri 7/1120:10HKT - USM
Nonstop0h 50mBangkok Airways
Deal found 2/11฿6,100
Sun 16/1118:35USM - BKK
Nonstop1h 35mBangkok Airways
Thu 20/1106:00BKK - USM
Nonstop1h 10mBangkok Airways
Deal found 2/11฿6,132
Sat 15/1118:30USM - BKK
Nonstop1h 15mBangkok Airways
Sat 22/1106:20BKK - USM
Nonstop1h 10mBangkok Airways
Deal found 2/11฿6,229
Fri 21/1118:15USM - HKT
Nonstop1h 00mBangkok Airways
Sun 23/1114:15HKT - USM
Nonstop0h 55mBangkok Airways
Deal found 3/11฿6,327
Sat 8/1119:35USM - BKK
Nonstop1h 35mBangkok Airways
Mon 10/1106:00BKK - USM
Nonstop1h 10mBangkok Airways
Deal found 2/11฿6,359

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 4 November 2025.

Round-trip from

฿4,542

One-way from

฿2,725

Popular in

March

Cheapest in

September

Average price

฿7,397

Good round-trip deal

฿6,072 or less

Good one-way deal

฿3,889 or less
Bangkok Airways
  • Bangkok Airways
  • 11/3-13/3
  • Nonstop
  • 2h 25m total
  • Ko Samui to Thailand
Search Deals
Bangkok Airways
  • Bangkok Airways
  • 12/3
  • Nonstop
  • 1h 15m total
  • Ko Samui to Thailand
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (฿18,030 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿5,428 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 4 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 11/3

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Sat 14/3

06:00-07:10

Nonstop1h 10m

฿4,542

Ko SamuiBangkok

USM - DMK

USMDMK

Ko Samui

Fri 13/3

06:45-08:20

Nonstop1h 35m

Bangkok Don Mueang Intl

Sun 22/3

18:55-20:30

Nonstop1h 35m

฿5,970

Ko SamuiPhuket City

USM - HKT

USMHKT

Ko Samui

Sat 15/11

15:50-16:50

Nonstop1h 00m

Phuket City

Mon 17/11

16:35-17:30

Nonstop0h 55m

฿6,002

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Tue 10/3

07:15-08:50

Nonstop1h 35m

Bangkok Suvarnabhumi

Wed 18/3

06:00-07:10

Nonstop1h 10m

฿6,035

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Thu 18/12

07:55-09:10

Nonstop1h 15m

Bangkok Suvarnabhumi

Sun 21/12

06:00-07:10

Nonstop1h 10m

฿6,067

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Fri 13/3

07:55-09:10

Nonstop1h 15m

Bangkok Suvarnabhumi

Sun 22/3

06:00-07:10

Nonstop1h 10m

฿6,100

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Sun 16/11

18:35-20:10

Nonstop1h 35m

Bangkok Suvarnabhumi

Thu 20/11

06:00-07:10

Nonstop1h 10m

฿6,132

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Thu 20/11

15:40-17:15

Nonstop1h 35m

Bangkok Suvarnabhumi

Sun 23/11

06:00-07:10

Nonstop1h 10m

฿6,359

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Sat 14/2

07:55-09:10

Nonstop1h 15m

Bangkok Suvarnabhumi

Sun 22/2

06:00-07:10

Nonstop1h 10m

฿6,392

Ko SamuiPhuket City

USM - HKT

USMHKT

Ko Samui

Tue 31/3

08:00-09:00

Nonstop1h 00m

Phuket City

Wed 15/4

16:00-16:55

Nonstop0h 55m

฿6,456

Flights are sorted by cheapest return flights first.

Deals found on 4/11

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, June is the cheapest month in which you can book a flight from Ko Samui to Thailand (average of ฿552). Flying from Ko Samui to Thailand in August is currently the most expensive (average of ฿1,784). 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 4 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 4 November 2025.

The most flights from USM to TH0 are scheduled on a Saturday (302 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (246 on average).

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 4 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
116 reviews
Check prices

Comfort

7.9

Entertainment

6.2

Boarding

8.0

Overall

8.0

Crew

8.5

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
116 reviews
Bangkok Airways
8.0
Very Good
116 reviews
Check prices

Comfort

7.9

Entertainment

6.2

Boarding

8.0

Overall

8.0

Crew

8.5

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 แอร์ฟร้านซ์ (92%), เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์ (89%) or Garuda Indonesia (89%) 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 ฿27,051, our data shows the cheapest flight currently is ฿2,746. When looking at the most popular route, (Ko Samui - Bangkok Suvarnabhumi), you can expect to pay ฿4,542 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 ฿552). Flying from Ko Samui to Thailand in August is currently the most expensive (average of ฿1,784). 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

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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.
Chiang Mai to Phuket City flights
Chiang Mai to Krabi flights
Chiang Mai to Ko Samui flights
Phuket City 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 4 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest฿3,861Average฿8,544FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights

Fly with Cheapflights

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

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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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