Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Ko Samui to Thailand from ฿2,486

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
USM — BKK
11 Jul — 18 Jul1
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 6 July 2025.

Round-trip from

฿4,553

One-way from

฿2,486

Popular in

March

Cheapest in

October

Average price

฿9,138

Good round-trip deal

฿9,722 or less

Good one-way deal

฿3,305 or less
Bangkok Airways
  • Bangkok Airways
  • 14/9-17/9
  • Nonstop
  • 2h 20m total
  • Ko Samui to Thailand
Search Deals
Bangkok Airways
  • Bangkok Airways
  • 15/9
  • Nonstop
  • 1h 15m total
  • Ko Samui to Thailand
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (฿29,445 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿6,138 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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

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 6 July 2025.

Sun 14/911:10USM - UTP
Nonstop1h 15mBangkok Airways
Wed 17/917:20UTP - USM
Nonstop1h 05mBangkok Airways
Deal found 5/7฿4,553
Wed 27/807:00USM - BKK
Nonstop1h 15mBangkok Airways
Sun 31/806:15BKK - USM
Nonstop1h 05mBangkok Airways
Deal found 4/7฿4,553
Wed 23/717:55USM - HKT
Nonstop1h 00mBangkok Airways
Thu 31/719:30HKT - USM
Nonstop0h 55mBangkok Airways
Deal found 4/7฿5,715
Wed 29/1006:45USM - DMK
Nonstop1h 35mBangkok Airways
Wed 29/1018:55DMK - USM
Nonstop1h 35mBangkok Airways
Deal found 6/7฿5,877
Fri 29/808:55USM - CNX
Nonstop1h 45mBangkok Airways
Sun 31/820:00CNX - USM
1 stop14h 45mBangkok Airways
Deal found 6/7฿5,909
Thu 2/1019:00USM - BKK
1 stop4h 30mMultiple Airlines
Mon 6/1006:15BKK - USM
Nonstop1h 05mMultiple Airlines
Deal found 4/7฿6,555
Thu 28/812:30USM - KBV
Nonstop0h 50mBangkok Airways
Mon 1/914:00KBV - USM
Nonstop0h 50mBangkok Airways
Deal found 6/7฿7,104
Sun 17/808:00USM - HKT
Nonstop1h 00mMultiple Airlines
Thu 28/822:00HKT - USM
1 stop9h 35mMultiple Airlines
Deal found 4/7฿7,943
Fri 29/808:55USM - CNX
Nonstop1h 45mMultiple Airlines
Sun 31/822:55CNX - USM
1 stop8h 25mMultiple Airlines
Deal found 6/7฿8,040
Sun 30/1108:50USM - UTP
1 stop5h 30mMultiple Airlines
Thu 11/1217:25UTP - USM
Nonstop1h 05mMultiple Airlines
Deal found 4/7฿8,040
Thu 28/812:30USM - KBV
Nonstop0h 50mMultiple Airlines
Mon 1/916:40KBV - USM
1 stop4h 10mMultiple Airlines
Deal found 4/7฿8,395
Thu 2/1015:55USM - DMK
Nonstop1h 30mMultiple Airlines
Mon 6/1013:00DMK - USM
1 stop3h 55mMultiple Airlines
Deal found 4/7฿8,427

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 6 July 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 SamuiRayong

USM - UTP

USMUTP

Ko Samui

Sun 14/9

11:10-12:25

Nonstop1h 15m

Rayong Utapao Rayong Pattaya

Wed 17/9

17:20-18:25

Nonstop1h 05m

฿4,553

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Wed 27/8

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Sun 31/8

06:15-07:20

Nonstop1h 05m

฿4,553

Ko SamuiPhuket City

USM - HKT

USMHKT

Ko Samui

Wed 23/7

17:55-18:55

Nonstop1h 00m

Phuket City

Thu 31/7

19:30-20:25

Nonstop0h 55m

฿5,715

Ko SamuiBangkok

USM - DMK

USMDMK

Ko Samui

Wed 29/10

06:45-08:20

Nonstop1h 35m

Bangkok Don Mueang Intl

Wed 29/10

18:55-20:30

Nonstop1h 35m

฿5,877

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Thu 2/10

19:00-23:30

1 stop4h 30m

Bangkok Suvarnabhumi

Mon 6/10

06:15-07:20

Nonstop1h 05m

฿6,555

Ko SamuiKrabi

USM - KBV

USMKBV

Ko Samui

Thu 28/8

12:30-13:20

Nonstop0h 50m

Krabi

Mon 1/9

14:00-14:50

Nonstop0h 50m

฿7,200

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Wed 15/10

07:00-19:10

1 stop12h 10m

Chiang Mai

Sat 18/10

11:55-17:45

1 stop5h 50m

฿7,652

Ko SamuiPhuket City

USM - HKT

USMHKT

Ko Samui

Sun 17/8

08:00-09:00

Nonstop1h 00m

Phuket City

Thu 28/8

22:00-07:35

1 stop9h 35m

฿7,943

Ko SamuiRayong

USM - UTP

USMUTP

Ko Samui

Sun 30/11

08:50-14:20

1 stop5h 30m

Rayong Utapao Rayong Pattaya

Thu 11/12

17:25-18:30

Nonstop1h 05m

฿8,040

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Fri 29/8

08:55-10:40

Nonstop1h 45m

Chiang Mai

Sun 31/8

22:20-07:20

1 stop9h 00m

฿8,234

Flights are sorted by cheapest return flights first.

Deals found on 4/7

Showing 1-10 of 25 results
1
2
3

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 ฿80). 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 6 July 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 6 July 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 6 July 2025.

The most flights from USM to TH0 are scheduled on a Thursday (292 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (243 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 6 July 2025.
See what other customers who have flown with Bangkok Airways and Cathay Pacific 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
111 reviews
Check prices

Comfort

7.8

Entertainment

6.2

Overall

8.0

Crew

8.5

Boarding

7.9

Food

7.2

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

Comfort

7.8

Entertainment

6.2

Overall

8.0

Crew

8.5

Boarding

7.9

Food

7.2

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
925 reviews
Bangkok Airways
8.0
Very Good
111 reviews
Check prices

Comfort

7.8

Entertainment

6.2

Overall

8.0

Crew

8.5

Boarding

7.9

Food

7.2

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 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 (95%), Japan Airlines (93%) or แอร์ฟร้านซ์ (93%) 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 ฿7,629, our data shows the cheapest flight currently is ฿3,227. When looking at the most popular route, (Ko Samui - Bangkok Suvarnabhumi), you can expect to pay ฿4,520 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 ฿80). 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

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 6 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest฿3,842Average฿8,372FlexibilityNo 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.
Site
©2025 Cheapflights