Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Ko Samui to Bangkok from ฿3,600

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
USM — BKK
1 Aug — 8 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Ko Samui to Bangkok are usually found in May or February, booked 90 days in advance, depart on a Monday or Friday and return on a Thursday

Cheap flight deals from Ko Samui to Bangkok

Enter your travel dates to find the best prices.

Cheapest flights from Ko Samui to Bangkok
Explore the most affordable flight options available from Ko Samui to Bangkok. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2026.

Sun 1/1107:00
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Sun 1/1115:15
BKK
-
USM
Nonstop1h 10m
Bangkok Airways
Deal found 1/7฿5,366
Mon 28/907:50
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Fri 2/1006:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Deal found 30/6฿5,433
Fri 3/707:50
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Sun 5/706:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Deal found 30/6฿5,466
Thu 27/807:50
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Sun 30/806:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Deal found 1/7฿5,500
Sun 1/1106:45
USM
-
DMK
Nonstop1h 35m
Bangkok Airways
Sun 1/1118:55
DMK
-
USM
Nonstop1h 35m
Bangkok Airways
Deal found 1/7฿5,766
Tue 29/907:50
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Tue 29/916:40
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Deal found 1/7฿5,766
Sun 20/906:00
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Sun 20/919:20
BKK
-
USM
Nonstop1h 30m
Bangkok Airways
Deal found 29/6฿5,833
Sat 29/808:20
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Mon 31/806:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Deal found 27/6฿5,933
Sat 29/808:20
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Wed 2/906:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Deal found 30/6฿6,133
Fri 7/807:50
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Sun 9/808:05
BKK
-
USM
Nonstop1h 15m
Bangkok Airways
Deal found 30/6฿6,200
Tue 24/1111:00
USM
-
DMK
Nonstop1h 35m
Bangkok Airways
Fri 27/1118:55
DMK
-
USM
Nonstop1h 35m
Bangkok Airways
Deal found 30/6฿6,500
Sat 12/906:55
USM
-
DMK
Nonstop1h 30m
Bangkok Airways
Sun 20/913:25
DMK
-
USM
Nonstop1h 30m
Bangkok Airways
Deal found 29/6฿7,200

Find flight deals from Ko Samui to Bangkok

Discover tips and strategies to find the most affordable flight options for your journey from Ko Samui (USM) to Bangkok (TH1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 2 July 2026.

Round-trip from

฿5,366

One-way from

฿3,600

Popular in

June

Cheapest in

May

Average price

฿9,933
Bangkok Airways
  • Bangkok Airways
  • 1/11-1/11
  • Nonstop
  • 2h 25m total
  • Ko Samui to Bangkok
Search Deals
Bangkok Airways
  • Bangkok Airways
  • 8/9
  • 1 total stop
  • 3h 55m total
  • Ko Samui to Bangkok
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (฿12,925 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿6,240 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ko Samui to Bangkok 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 2 July 2026.
Use the filters below to find and compare flights from Ko Samui to Bangkok that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Tue 8/9

07:50-09:05

Nonstop1h 15m

Bangkok Suvarnabhumi

Wed 9/9

06:05-07:10

Nonstop1h 05m

฿5,500

Ko SamuiBangkok

USM - DMK

USMDMK

Ko Samui

Tue 24/11

11:00-12:35

Nonstop1h 35m

Bangkok Don Mueang Intl

Fri 27/11

18:55-20:30

Nonstop1h 35m

฿6,500

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Thu 27/8

07:50-09:05

Nonstop1h 15m

Bangkok Suvarnabhumi

Sun 30/8

06:25-07:30

Nonstop1h 05m

฿6,633

Ko SamuiBangkok

USM - DMK

USMDMK

Ko Samui

Tue 8/9

17:00-20:10

1 stop3h 10m

Bangkok Don Mueang Intl

Wed 9/9

18:15-19:45

Nonstop1h 30m

฿8,166

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Mon 31/8

08:20-09:35

Nonstop1h 15m

Bangkok Suvarnabhumi

Fri 4/9

16:40-17:45

Nonstop1h 05m

฿8,200

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Sat 26/12

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Sat 26/12

14:25-15:35

Nonstop1h 10m

฿8,266

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Sat 15/8

08:10-09:25

Nonstop1h 15m

Bangkok Suvarnabhumi

Sat 22/8

06:05-07:10

Nonstop1h 05m

฿8,566

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Thu 27/8

07:50-09:05

Nonstop1h 15m

Bangkok Suvarnabhumi

Sun 30/8

22:00-08:25

1 stop10h 25m

฿8,600

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Sat 12/9

15:25-19:00

1 stop3h 35m

Bangkok Suvarnabhumi

Sun 20/9

19:20-20:50

Nonstop1h 30m

฿8,733

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Sat 12/9

12:10-16:20

1 stop4h 10m

Bangkok Suvarnabhumi

Sat 19/9

06:05-07:10

Nonstop1h 05m

฿8,733

Flights are sorted by cheapest return flights first.

Deals found on 1/7

Showing 1-10 of 38 resultsSorted by cheapest first
1
2
3
4

Best time to book a flight from Ko Samui to Bangkok

Have a flexible travel schedule? Discover the best time to fly to Bangkok 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 Bangkok

What is the cheapest month to book a flight from Ko Samui to Bangkok?

Currently, September is the cheapest month in which you can book a flight from Ko Samui to Bangkok (average of ฿1,733). Flying from Ko Samui to Bangkok in June is currently the most expensive (average of ฿4,866). 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 BKK?

Find hourly flight availability from Ko Samui to Bangkok. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 July 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 77% on flights from Ko Samui to Bangkok by exploring options for tickets in the morning.

Weekly flight availability from Ko Samui to Bangkok

Explore weekly flight availability from Ko Samui to Bangkok. 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 2 July 2026.

The most flights from USM to TH1 are scheduled on a Thursday (354 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (274 on average).

How much does it cost for a return flight from Ko Samui to Bangkok?

How often are flights from Ko Samui to Bangkok delayed?

About 12% of weekly flights between Ko Samui and Bangkok have experienced delays in the past year, with the average delay time being 96 minutes.

What is the most punctual flight time for Ko Samui to Bangkok flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon 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 Sunday 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 Bangkok flights?

Over the past year, Bangkok Airways have had the lowest number of delays on this route, with just 12% of flights being delayed.

How far ahead should I book a flight from Ko Samui to Bangkok?

Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ko Samui to Bangkok. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Bangkok

Get insights into the airlines that provide service to Bangkok. 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 Bangkok. Reviews last updated 2 July 2026.
Get a feel of what it's like to fly with Bangkok Airways from Ko Samui to Bangkok by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Bangkok Airways
8.1
Very Good
134 reviews
Check prices

Crew

8.6

Entertainment

6.3

Overall

8.1

Boarding

8.1

Comfort

7.9

Food

7.3

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect
Bangkok Airways
8.1
Very Good
134 reviews
Bangkok Airways
8.1
Very Good
134 reviews
Check prices

Crew

8.6

Entertainment

6.3

Overall

8.1

Boarding

8.1

Comfort

7.9

Food

7.3

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect

Related info for your journey

Find useful and relevant information for your journey from Ko Samui to Bangkok. 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 Bangkok?

    For a flight from Ko Samui to Bangkok, you will be flying from Ko Samui. Ko Samui (USM) is just 3.3 km from the centre of the city. Ko Samui is the only Ko Samui airport and it handles 306 outbound flights to Bangkok per day. 1 airline has flights to Bangkok from Ko Samui on a regular basis.

  • How long is the flight from Ko Samui to Bangkok?

    Airlines like Bangkok Airways fly from Ko Samui to Bangkok in about 1h 15m. The time it takes to get you to your destination is usually consistent. The distance between Ko Samui and Bangkok is about 467 km. All flights are typically direct.

  • What is the cheapest airline to fly from Ko Samui to Bangkok round-trip?

    According to our current data, Bangkok Airways (฿4,391), offers the cheapest pricing from Ko Samui to Bangkok. Bangkok Airways is currently priced 47% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Ko Samui to Bangkok one-way?

    One-way options have recently been found by users for as low as ฿2,791 on Bangkok Airways. Other airlines that offer cheap prices include Thai Airways from ฿6,689 and Vietnam Airlines from ฿6,917 one-way.

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

    The top 3 most reliable airlines when flying from Ko Samui to Bangkok are แอร์แอสทาน่า (100%), แอร์ฟร้านซ์ (100%) and เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์ (99%).

  • What are the cheapest flights from Ko Samui to Bangkok?

    The cheapest flight price from Ko Samui to Bangkok is ฿3,270. On average you can expect to pay ฿10,598. The most popular route, (Ko Samui - Bangkok Suvarnabhumi), can usually be booked for ฿5,333.

  • Can I find deals for flights from Ko Samui to Bangkok that include hotel bookings?

    Yes. In addition to deals on Ko Samui to Bangkok flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ko Samui to Bangkok?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ko Samui to Bangkok.

  • Can I find deals for business class flights from Ko Samui to Bangkok?

    Yes. Cheapflights offers flight deals from Ko Samui to Bangkok 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 Bangkok?

    Currently, September is the cheapest month in which you can book a flight from Ko Samui to Bangkok (average of ฿1,733). Flying from Ko Samui to Bangkok in June is currently the most expensive (average of ฿4,866). 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.

Top airline flying from Ko Samui to Bangkok

Discover the top airline that operate flights from Ko Samui to Bangkok. 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 2 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest฿4,391Average฿9,654FlexibilityNo 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 Bangkok?

When you search for this flight from Ko Samui to Bangkok, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Ko Samui to Bangkok?

Millions of users choose and trust Cheapflights to book the best flight deals from Ko Samui to Bangkok 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 Bangkok with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ko Samui to Bangkok, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ko Samui to Bangkok become cheaper?

Yes, Cheapflights offers price alerts on Ko Samui to Bangkok 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.