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Cheap flights from Ko Samui to Bangkok from ฿3,194

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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
USM — BKK
17 Jun — 24 Jun1
1 adult

Cheapflights Tip: The best prices from Ko Samui to Bangkok are usually found in October or May, booked 86 days in advance, depart on a Monday or Saturday and return on a Tuesday

Cheap 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 12 June 2025.

Round-trip from

฿4,531

One-way from

฿3,194

Popular in

March

Cheapest in

October

Average price

฿7,302
Bangkok Airways
  • Bangkok Airways
  • 1/11-2/11
  • Nonstop
  • 2h 25m total
  • Ko Samui to Bangkok
Search Deals
Bangkok Airways
  • Bangkok Airways
  • 19/9
  • Nonstop
  • 1h 30m total
  • Ko Samui to Bangkok
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (฿29,184 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿6,183 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
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Find flight deals from Ko Samui to Bangkok

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 12 June 2025.

Sat 1/1107:00USM - BKK
Nonstop1h 15mBangkok Airways
Sun 2/1105:00BKK - USM
Nonstop1h 10mBangkok Airways
Deal found 11/6฿4,531
Sat 1/1116:35USM - DMK
Nonstop1h 35mBangkok Airways
Sun 2/1118:55DMK - USM
Nonstop1h 35mBangkok Airways
Deal found 11/6฿4,955
Sat 6/919:00USM - BKK
1 stop4h 30mMultiple Airlines
Sat 27/906:15BKK - USM
Nonstop1h 05mMultiple Airlines
Deal found 11/6฿5,704
Sun 14/912:10USM - DMK
1 stop3h 45mMultiple Airlines
Sun 21/918:15DMK - USM
Nonstop1h 30mMultiple Airlines
Deal found 10/6฿5,900

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 12 June 2025.
Use the filters below to find and compare flights from Ko Samui to Bangkok that are best for you.

Fly from

Ko Samui

Fly to

Bangkok

Route

Depart

Return

Price

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Sat 1/11

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Sun 2/11

05:00-06:10

Nonstop1h 10m

฿4,531

Ko SamuiBangkok

USM - DMK

USMDMK

Ko Samui

Sat 1/11

16:35-18:10

Nonstop1h 35m

Bangkok Don Mueang Intl

Sun 2/11

18:55-20:30

Nonstop1h 35m

฿4,955

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Sat 6/9

19:00-23:30

1 stop4h 30m

Bangkok Suvarnabhumi

Sat 27/9

06:15-07:20

Nonstop1h 05m

฿5,704

Ko SamuiBangkok

USM - DMK

USMDMK

Ko Samui

Sun 14/9

12:10-15:55

1 stop3h 45m

Bangkok Don Mueang Intl

Sun 21/9

18:15-19:45

Nonstop1h 30m

฿5,900

Ko SamuiBangkok

USM - DMK

USMDMK

Ko Samui

Fri 19/9

06:55-08:25

Nonstop1h 30m

฿3,194

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Sun 3/8

17:25-18:40

Nonstop1h 15m

฿3,227

Ko SamuiBangkok

USM - DMK

USMDMK

Ko Samui

Fri 5/9

12:10-18:15

1 stop6h 05m

฿3,260

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Fri 5/9

19:00-23:30

1 stop4h 30m

฿3,292

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Sat 11/10

11:25-23:05

2 stops11h 40m

฿9,388

Flights are sorted by cheapest return flights first.

Deals found on 10/6

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

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

Use this chart to determine the optimal time to book a return flight from Ko Samui to Bangkok. Price data was last updated on 9 June 2025.

Booking 85 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.

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

Currently, June is the cheapest month in which you can book a flight from Ko Samui to Bangkok (average of ฿57). Flying from Ko Samui to Bangkok 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 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 12 June 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 50% on flights from Ko Samui to Bangkok by exploring options for tickets in the afternoon.

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

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

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

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 12 June 2025.

The most flights from USM to TH1 are scheduled on a Wednesday (272 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 Bangkok by month

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

In terms of precipitation, rainfall in Bangkok 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 Bangkok when rainfall is around 10.0 mm.

Temperature in Bangkok by month

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

If weather is an important factor for your trip to Bangkok, 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 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 12 June 2025.
Bangkok Airways
8.0
Very Good
111 reviews
Check prices

Food

7.2

Entertainment

6.2

Overall

8.0

Crew

8.5

Comfort

7.8

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

Entertainment

6.2

Overall

8.0

Crew

8.5

Comfort

7.8

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

Entertainment

6.2

Overall

8.0

Crew

8.5

Comfort

7.8

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 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 259 outbound flights to Bangkok per day. 1 airline has flights to Bangkok from Ko Samui on a regular basis.

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

    According to our current data, Bangkok Airways (฿4,531), offers the cheapest pricing from Ko Samui to Bangkok. Bangkok Airways is currently priced 43% below the average price you’ll pay for this route.

  • 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 เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์ (93%), แอร์ฟร้านซ์ (89%) and สวิส อินเตอร์เนชั่นแนล แอร์ไลน์ (85%).

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

    The cheapest flight price from Ko Samui to Bangkok is ฿2,352. On average you can expect to pay ฿7,531. The most popular route, (Ko Samui - Bangkok Suvarnabhumi), can usually be booked for ฿4,531.

  • 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, June is the cheapest month in which you can book a flight from Ko Samui to Bangkok (average of ฿57). Flying from Ko Samui to Bangkok 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 Bangkok

See prices for flight routes from nearby airports that may be better suited for you.
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Chiang Mai to Krabi flights
Chiang Mai to Ko Samui flights
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Krabi to Ko Samui flights

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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest฿4,648Average฿9,572FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights

Fly with Cheapflights

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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.

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