Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Ko Samui to Bangkok from ฿2,777

USM — BKK
14 Dec — 21 Dec1
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 18 days in advance, depart on a Friday or Wednesday and return on a Tuesday

Cheap flight deals from Ko Samui to Bangkok

Enter your travel dates to find the best prices.

Cheapest flights from Ko Samui to Bangkok

Mon 16/1106:45 -
Nonstop1h 35m
Mon 16/1118:55 -
Nonstop1h 35m
Deal found 9/11฿4,572
Thu 12/1107:00 -
Nonstop1h 15m
Sun 15/1107:00 -
Nonstop1h 10m
Deal found 10/11฿4,640
Fri 27/1107:00 -
Nonstop1h 15m
Sun 29/1106:00 -
Nonstop1h 10m
Deal found 9/11฿4,707
Fri 27/1107:00 -
Nonstop1h 15m
Mon 30/1106:00 -
Nonstop1h 10m
Deal found 9/11฿4,843
Sat 21/1108:30 -
Nonstop1h 15m
Sun 22/1106:25 -
Nonstop1h 10m
Deal found 13/11฿4,877
Thu 19/1106:45 -
Nonstop1h 35m
Sun 22/1118:55 -
Nonstop1h 35m
Deal found 12/11฿5,317
Sat 14/1106:45 -
Nonstop1h 35m
Tue 17/1113:10 -
Nonstop1h 35m
Deal found 10/11฿5,385
Sat 21/1106:45 -
Nonstop1h 35m
Sun 22/1118:55 -
Nonstop1h 35m
Deal found 13/11฿5,791
Fri 13/1106:45 -
Nonstop1h 35m
Fri 13/1118:55 -
Nonstop1h 35m
Deal found 9/11฿5,825
Wed 11/1106:45 -
Nonstop1h 35m
Fri 13/1108:50 -
Nonstop1h 35m
Deal found 9/11฿5,893
Fri 13/1106:45 -
Nonstop1h 35m
Thu 19/1108:50 -
Nonstop1h 35m
Deal found 9/11฿5,994

Find flight deals from Ko Samui to Bangkok

Round-trip from

฿4,707

One-way from

฿2,777

Popular in

July

Cheapest in

May

Average price

฿8,162
Bangkok Airways
  • Bangkok Airways
  • 27/11-29/11
  • Nonstop
  • 2h 25m total
  • Ko Samui to Bangkok
Search Deals
Bangkok Airways
  • Bangkok Airways
  • 17/3-31/12
  • Nonstop
  • 1h 15m total
  • Ko Samui to Bangkok
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (฿46,520 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿6,481 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
Search Deals

Cheapflights Fare Finder

 
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

Ko SamuiBangkok

USM Ko Samui - DMK Bangkok Don Mueang Intl

USMDMK

Ko Samui

Sat 21/11

06:45-08:20

Nonstop1h 35m

Bangkok Don Mueang Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿2,845

Ko SamuiBangkok

USM Ko Samui - BKK Bangkok Suvarnabhumi

USMBKK

Ko Samui

Sat 6/2

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿2,946

Ko SamuiBangkok

USM Ko Samui - BKK Bangkok Suvarnabhumi

USMBKK

Ko Samui

Sun 13/12

07:15-08:50

Nonstop1h 35m

Bangkok Suvarnabhumi

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿4,098

Ko SamuiBangkok

USM Ko Samui - BKK Bangkok Suvarnabhumi

USMBKK

Ko Samui

Tue 15/12

08:30-09:45

Nonstop1h 15m

Bangkok Suvarnabhumi

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿4,098
Fastest return journey

Ko SamuiBangkok

USM Ko Samui - BKK Bangkok Suvarnabhumi

USMBKK

Ko Samui

Sun 20/12

12:10-13:20

Nonstop1h 10m

Bangkok Suvarnabhumi

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿4,132

Ko SamuiBangkok

USM Ko Samui - BKK Bangkok Suvarnabhumi

USMBKK

Ko Samui

Fri 4/12

07:15-08:50

Nonstop1h 35m

Bangkok Suvarnabhumi

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿4,369

Ko SamuiBangkok

USM Ko Samui - BKK Bangkok Suvarnabhumi

USMBKK

Ko Samui

Wed 2/12

08:40-10:15

Nonstop1h 35m

Bangkok Suvarnabhumi

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿4,369

Ko SamuiBangkok

USM Ko Samui - DMK Bangkok Don Mueang Intl

USMDMK

Ko Samui

Wed 2/12

06:45-08:20

Nonstop1h 35m

Bangkok Don Mueang Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿4,437

Ko SamuiBangkok

USM Ko Samui - BKK Bangkok Suvarnabhumi

USMBKK

Ko Samui

Sat 5/12

08:30-09:45

Nonstop1h 15m

Bangkok Suvarnabhumi

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿4,707

Ko SamuiBangkok

USM Ko Samui - DMK Bangkok Don Mueang Intl

USMDMK

Ko Samui

Mon 18/1

06:45-08:20

Nonstop1h 35m

Bangkok Don Mueang Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿4,741

Flights are sorted by cheapest return flights first.

Deals found on 13/11

Showing 1-10 of 40 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

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, May is the cheapest month in which you can book a flight from Ko Samui to Bangkok (average of ฿5,994). Flying from Ko Samui to Bangkok in July is currently the most expensive (average of ฿11,074). 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?

Unlike in the evening, when flights are generally more expensive, you can save up to 75% on flights from Ko Samui to Bangkok by exploring options for tickets in the morning.

Weekly flight availability from Ko Samui to Bangkok

The most flights from USM to TH1 are scheduled on a Thursday (229 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (186 on average).

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

Airfare is below average for this route at the moment.
Ko Samui to Bangkok flights typically cost between ฿5,554 and ฿9,178 in November.
The cheapest return price found within the last 5 days was ฿4,707 on Bangkok Airways (27 Nov–29 Nov).

How often are flights from Ko Samui to Bangkok delayed?

About 16% of weekly flights between Ko Samui and Bangkok have experienced delays in the past year, with the average delay time being 101 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 16% of flights being delayed.

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

Booking 16 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 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
132 reviews
Check prices

Boarding

8.1

Food

7.3

Crew

8.5

Overall

8.1

Entertainment

6.3

Comfort

7.9

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
132 reviews
Bangkok Airways
8.1
Very Good
132 reviews
Check prices

Boarding

8.1

Food

7.3

Crew

8.5

Overall

8.1

Entertainment

6.3

Comfort

7.9

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

  • 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 217 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 35m. 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 (฿5,335), offers the cheapest pricing from Ko Samui to Bangkok. Bangkok Airways is currently priced 40% 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 ฿3,433 on Bangkok Airways. Other airlines that offer cheap prices include เตอร์กิชแอร์ไลน์ from ฿6,811 and Thai Airways from ฿6,980 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 แอร์ฟร้านซ์ (90%), แอร์แอสทาน่า (90%) and เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์ (82%).

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

    The cheapest flight price from Ko Samui to Bangkok is ฿2,775. On average you can expect to pay ฿28,616. The most popular route, (Ko Samui - Bangkok Suvarnabhumi), can usually be booked for ฿5,317.

  • 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, May is the cheapest month in which you can book a flight from Ko Samui to Bangkok (average of ฿5,994). Flying from Ko Samui to Bangkok in July is currently the most expensive (average of ฿11,074). 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

Top airline flying from Ko Samui to Bangkok

AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest฿5,335Average฿10,445FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights

Fly with Cheapflights

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.