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Cheap flights from Ko Samui to Thailand from ฿2,034

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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
USM — BKK
20 Jun — 27 Jun1
1 adult

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 15 June 2025.

Round-trip from

฿4,520

One-way from

฿2,034

Popular in

March

Cheapest in

October

Average price

฿7,231

Good round-trip deal

฿5,788 or less

Good one-way deal

฿2,960 or less
Bangkok Airways
  • Bangkok Airways
  • 11/9-15/9
  • Nonstop
  • 2h 20m total
  • Ko Samui to Thailand
Search Deals
Bangkok Airways
  • Bangkok Airways
  • 11/9
  • Nonstop
  • 0h 50m total
  • Ko Samui to Thailand
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (฿28,641 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (฿6,096 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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.
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Find flight deals from Ko Samui to Thailand

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 15 June 2025.

Thu 11/907:00USM - BKK
Nonstop1h 15mBangkok Airways
Mon 15/906:15BKK - USM
Nonstop1h 05mBangkok Airways
Deal found 13/6฿4,520
Fri 12/906:55USM - DMK
Nonstop1h 30mBangkok Airways
Tue 16/918:15DMK - USM
Nonstop1h 30mBangkok Airways
Deal found 14/6฿4,972
Thu 11/919:00USM - BKK
1 stop4h 30mMultiple Airlines
Wed 17/918:45BKK - USM
1 stop20h 05mMultiple Airlines
Deal found 13/6฿5,068
Thu 11/912:30USM - DMK
1 stop7h 20mMultiple Airlines
Mon 15/918:15DMK - USM
Nonstop1h 30mMultiple Airlines
Deal found 13/6฿5,811
Thu 19/611:25USM - HKT
Nonstop1h 00mBangkok Airways
Sun 22/617:05HKT - USM
Nonstop0h 55mBangkok Airways
Deal found 14/6฿6,037
Wed 17/908:55USM - CNX
Nonstop1h 45mBangkok Airways
Fri 19/914:35CNX - USM
1 stop3h 55mBangkok Airways
Deal found 14/6฿6,521
Fri 27/612:30USM - KBV
Nonstop0h 50mBangkok Airways
Mon 30/614:00KBV - USM
Nonstop0h 50mBangkok Airways
Deal found 13/6฿6,909
Wed 25/612:30USM - KBV
Nonstop0h 50mMultiple Airlines
Sat 28/620:45KBV - USM
1 stop10h 35mMultiple Airlines
Deal found 14/6฿7,070
Fri 20/608:00USM - HKT
Nonstop1h 00mMultiple Airlines
Mon 23/619:35HKT - USM
1 stop12h 40mMultiple Airlines
Deal found 13/6฿8,135
Sat 21/608:55USM - CNX
Nonstop1h 45mMultiple Airlines
Sun 22/611:25CNX - USM
1 stop6h 35mMultiple Airlines
Deal found 13/6฿9,427
Mon 28/711:10USM - UTP
Nonstop1h 15mBangkok Airways
Mon 4/817:20UTP - USM
Nonstop1h 05mBangkok Airways
Deal found 13/6฿10,331
Mon 28/719:00USM - UTP
2 stops19h 10mMultiple Airlines
Mon 4/813:00UTP - USM
1 stop3h 55mMultiple Airlines
Deal found 13/6฿13,075

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 15 June 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

Thu 11/9

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Mon 15/9

06:15-07:20

Nonstop1h 05m

฿4,520

Ko SamuiBangkok

USM - DMK

USMDMK

Ko Samui

Fri 12/9

06:55-08:25

Nonstop1h 30m

Bangkok Don Mueang Intl

Tue 16/9

18:15-19:45

Nonstop1h 30m

฿4,972

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Thu 11/9

19:00-23:30

1 stop4h 30m

Bangkok Suvarnabhumi

Wed 17/9

18:45-14:50

1 stop20h 05m

฿5,068

Ko SamuiBangkok

USM - DMK

USMDMK

Ko Samui

Thu 11/9

12:30-19:50

1 stop7h 20m

Bangkok Don Mueang Intl

Mon 15/9

18:15-19:45

Nonstop1h 30m

฿5,811

Ko SamuiPhuket City

USM - HKT

USMHKT

Ko Samui

Sat 28/6

15:25-16:25

Nonstop1h 00m

Phuket City

Sun 29/6

16:00-16:55

Nonstop0h 55m

฿6,231

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Wed 17/9

08:55-10:40

Nonstop1h 45m

Chiang Mai

Fri 19/9

14:35-18:30

1 stop3h 55m

฿6,521

Ko SamuiKrabi

USM - KBV

USMKBV

Ko Samui

Fri 27/6

12:30-13:20

Nonstop0h 50m

Krabi

Mon 30/6

14:00-14:50

Nonstop0h 50m

฿6,909

Ko SamuiKrabi

USM - KBV

USMKBV

Ko Samui

Wed 25/6

12:30-13:20

Nonstop0h 50m

Krabi

Sat 28/6

20:45-07:20

1 stop10h 35m

฿7,070

Ko SamuiPhuket City

USM - HKT

USMHKT

Ko Samui

Mon 28/7

14:30-15:30

Nonstop1h 00m

Phuket City

Mon 4/8

15:40-20:50

1 stop5h 10m

฿8,781

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Sat 28/6

08:55-10:40

Nonstop1h 45m

Chiang Mai

Tue 1/7

12:15-16:55

1 stop4h 40m

฿10,201

Flights are sorted by cheapest return flights first.

Deals found on 13/6

Showing 1-10 of 30 results
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2
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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 ฿57). Flying from Ko Samui to Thailand in December is currently the most expensive (average of ฿79). 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 15 June 2025.

When flying from Ko Samui to Thailand, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Ko Samui to Thailand?

Use this chart to determine the cheapest time to fly return from Ko Samui to Thailand. Price data was last updated on 8 June 2025.

Travellers seeking maximum savings on their Ko Samui to Thailand flight should consider departing on Monday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 15 June 2025.

The most flights from USM to TH0 are scheduled on a Tuesday (270 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (248 on average).

Rainfall in Thailand by month

Plan your trip to Thailand by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Thailand ranges from 10.0 - 320.0 inches per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Thailand when rainfall is around 10.0 mm.

Temperature in Thailand by month

Plan your trip to Thailand by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Thailand, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

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 15 June 2025.
Get a feel of what it's like to fly with Bangkok Airways, Cathay Pacific and Malaysia Airlines from Ko Samui to Thailand 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.
Bangkok Airways
8.0
Very Good
111 reviews
Check prices

Food

7.2

Crew

8.5

Overall

8.0

Comfort

7.8

Entertainment

6.2

Boarding

7.9

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
111 reviews
Bangkok Airways
8.0
Very Good
111 reviews
Check prices

Food

7.2

Crew

8.5

Overall

8.0

Comfort

7.8

Entertainment

6.2

Boarding

7.9

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.
Cathay Pacific
7.6
Good
892 reviews
Bangkok Airways
8.0
Very Good
111 reviews
Check prices

Food

7.2

Crew

8.5

Overall

8.0

Comfort

7.8

Entertainment

6.2

Boarding

7.9

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.
Malaysia Airlines
7.4
Good
263 reviews
Bangkok Airways
8.0
Very Good
111 reviews
Check prices

Food

7.2

Crew

8.5

Overall

8.0

Comfort

7.8

Entertainment

6.2

Boarding

7.9

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.
เตอร์กิชแอร์ไลน์
7.3
Good
3,851 reviews
Bangkok Airways
8.0
Very Good
111 reviews
Check prices

Food

7.2

Crew

8.5

Overall

8.0

Comfort

7.8

Entertainment

6.2

Boarding

7.9

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.
Scoot
6.7
Okay
306 reviews
Bangkok Airways
8.0
Very Good
111 reviews
Check prices

Food

7.2

Crew

8.5

Overall

8.0

Comfort

7.8

Entertainment

6.2

Boarding

7.9

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.

  • 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 ฿2,034. Users have also found prices from ฿6,424 and ฿8,878 on Scoot and Malaysia Airlines, 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 - Phuket City.

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

    Consider เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์ (93%), แอร์ฟร้านซ์ (89%) or สวิส อินเตอร์เนชั่นแนล แอร์ไลน์ (85%) 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 ฿7,459, our data shows the cheapest flight currently is ฿2,330. When looking at the most popular route, (Ko Samui - Bangkok Suvarnabhumi), you can expect to pay ฿4,487 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 ฿57). Flying from Ko Samui to Thailand in December is currently the most expensive (average of ฿79). 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 Ko Samui flights
Chiang Mai to Phuket City 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 15 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest฿3,842Average฿8,285FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights

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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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