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Cheap flights from Ko Samui to Thailand from ฿469

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/5. Fares are subject to change and may not be available on all flights or dates of travel.
USM — BKK
4 May — 11 May1
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 29 April 2025.

Round-trip from

฿469

Popular in

March

Cheapest in

October

Average price

฿8,210

Good round-trip deal

฿6,455 or less

Good one-way deal

฿3,880 or less
Bangkok Airways
  • Bangkok Airways
  • 12/5-16/5
  • Nonstop
  • 3h 00m total
  • Ko Samui to Thailand
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Highest demand for flights based on searches. 13% potential increase in price (฿42,660 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (฿6,869 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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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 29 April 2025.

Tue 10/607:00USM - BKK
Nonstop1h 15mBangkok Airways
Mon 16/606:15BKK - USM
Nonstop1h 05mBangkok Airways
Deal found 29/4฿4,557
Thu 19/608:00USM - HKT
Nonstop1h 00mBangkok Airways
Sun 22/609:35HKT - USM
Nonstop0h 55mBangkok Airways
Deal found 28/4฿4,892
Sat 29/1111:00USM - DMK
Nonstop1h 35mBangkok Airways
Sat 29/1118:55DMK - USM
Nonstop1h 35mBangkok Airways
Deal found 28/4฿5,328
Wed 25/612:30USM - KBV
Nonstop0h 50mBangkok Airways
Sun 29/614:00KBV - USM
Nonstop0h 50mBangkok Airways
Deal found 28/4฿5,965
Tue 24/612:30USM - BKK
1 stop9h 35mMultiple Airlines
Fri 27/606:15BKK - USM
Nonstop1h 05mMultiple Airlines
Deal found 28/4฿6,166
Thu 19/608:00USM - HKT
Nonstop1h 00mMultiple Airlines
Sun 22/622:15HKT - USM
1 stop9h 05mMultiple Airlines
Deal found 29/4฿6,434
Fri 20/606:55USM - DMK
Nonstop1h 30mMultiple Airlines
Mon 23/609:45DMK - USM
1 stop4h 55mMultiple Airlines
Deal found 28/4฿6,467
Tue 10/608:55USM - CNX
Nonstop1h 45mMultiple Airlines
Tue 17/622:25CNX - USM
1 stop8h 55mMultiple Airlines
Deal found 28/4฿6,702
Sat 21/612:30USM - KBV
Nonstop0h 50mMultiple Airlines
Sun 22/620:45KBV - USM
1 stop10h 35mMultiple Airlines
Deal found 29/4฿6,702
Fri 13/611:10USM - UTP
Nonstop1h 15mBangkok Airways
Fri 20/617:20UTP - USM
Nonstop1h 05mBangkok Airways
Deal found 28/4฿6,870
Tue 10/607:00USM - CNX
1 stop6h 45mBangkok Airways
Tue 17/620:00CNX - USM
1 stop11h 20mBangkok Airways
Deal found 28/4฿7,104
Fri 13/608:00USM - UTP
1 stop8h 50mMultiple Airlines
Fri 20/613:00UTP - USM
2 stops18h 20mMultiple Airlines
Deal found 28/4฿11,662

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 29 April 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

Fri 16/5

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Sun 18/5

06:15-07:20

Nonstop1h 05m

฿4,557

Ko SamuiPhuket City

USM - HKT

USMHKT

Ko Samui

Thu 19/6

08:00-09:00

Nonstop1h 00m

Phuket City

Sun 22/6

09:35-10:30

Nonstop0h 55m

฿4,892

Ko SamuiBangkok

USM - DMK

USMDMK

Ko Samui

Fri 20/6

06:55-08:25

Nonstop1h 30m

Bangkok Don Mueang Intl

Mon 23/6

18:15-19:45

Nonstop1h 30m

฿5,395

Ko SamuiKrabi

USM - KBV

USMKBV

Ko Samui

Wed 25/6

12:30-13:20

Nonstop0h 50m

Krabi

Sun 29/6

14:00-14:50

Nonstop0h 50m

฿5,965

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Tue 24/6

12:30-22:05

1 stop9h 35m

Bangkok Suvarnabhumi

Fri 27/6

06:15-07:20

Nonstop1h 05m

฿6,166

Ko SamuiPhuket City

USM - HKT

USMHKT

Ko Samui

Thu 19/6

08:00-09:00

Nonstop1h 00m

Phuket City

Sun 22/6

22:15-07:20

1 stop9h 05m

฿6,434

Ko SamuiBangkok

USM - DMK

USMDMK

Ko Samui

Fri 20/6

06:55-08:25

Nonstop1h 30m

Bangkok Don Mueang Intl

Mon 23/6

09:45-14:40

1 stop4h 55m

฿6,467

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Tue 10/6

08:55-10:40

Nonstop1h 45m

Chiang Mai

Tue 17/6

22:25-07:20

1 stop8h 55m

฿6,702

Ko SamuiKrabi

USM - KBV

USMKBV

Ko Samui

Sat 21/6

12:30-13:20

Nonstop0h 50m

Krabi

Sun 22/6

20:45-07:20

1 stop10h 35m

฿6,769

Ko SamuiRayong

USM - UTP

USMUTP

Ko Samui

Fri 13/6

11:10-12:25

Nonstop1h 15m

Rayong Utapao Rayong Pattaya

Fri 20/6

17:20-18:25

Nonstop1h 05m

฿6,870

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 31 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 ฿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 29 April 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 30 March 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 29 April 2025.

The most flights from USM to TH0 are scheduled on a Tuesday (305 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (198 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 29 April 2025.
Bangkok Airways
7.9
Good
109 reviews
Check prices

Food

7.2

Entertainment

6.2

Comfort

7.8

Crew

8.5

Boarding

7.9

Overall

7.9

Reviews

1 / 6
4.0
Okay

Derick,Jun 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.
Bangkok Airways
7.9
Good
109 reviews
Bangkok Airways
7.9
Good
109 reviews
Check prices

Food

7.2

Entertainment

6.2

Comfort

7.8

Crew

8.5

Boarding

7.9

Overall

7.9

Reviews

1 / 6
4.0
Okay

Derick,Jun 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.
Cathay Pacific
7.5
Good
852 reviews
Bangkok Airways
7.9
Good
109 reviews
Check prices

Food

7.2

Entertainment

6.2

Comfort

7.8

Crew

8.5

Boarding

7.9

Overall

7.9

Reviews

1 / 6
4.0
Okay

Derick,Jun 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.
Malaysia Airlines
7.3
Good
254 reviews
Bangkok Airways
7.9
Good
109 reviews
Check prices

Food

7.2

Entertainment

6.2

Comfort

7.8

Crew

8.5

Boarding

7.9

Overall

7.9

Reviews

1 / 6
4.0
Okay

Derick,Jun 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.

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 ฿2,915. Users have also found prices from ฿8,512 and ฿10,455 on APG Airlines 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 Garuda Indonesia (94%), แอร์ฟร้านซ์ (93%) or เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์ (92%) 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 ฿8,303, our data shows the cheapest flight currently is ฿3,464. When looking at the most popular route, (Ko Samui - Bangkok Suvarnabhumi), you can expect to pay ฿4,557 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

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 Hanoi 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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest฿3,988Average฿8,550FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights

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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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