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Cheap flights from Ko Samui to Bangkok from ฿3,288

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
USM — BKK
13 Jul — 20 Jul1
1 adult

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

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 8 July 2025.

Round-trip from

฿4,591

One-way from

฿3,288

Popular in

March

Cheapest in

October

Average price

฿9,214
Bangkok Airways
  • Bangkok Airways
  • 5/10-9/10
  • Nonstop
  • 2h 20m total
  • Ko Samui to Bangkok
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2/10
  • 2/10
  • 1 total stop
  • 4h 40m total
  • Ko Samui to Bangkok
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Highest demand for flights based on searches. 10% potential increase in price (฿29,917 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿6,257 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 8 July 2025.

Sun 5/1007:00USM - BKK
Nonstop1h 15mBangkok Airways
Thu 9/1006:15BKK - USM
Nonstop1h 05mBangkok Airways
Deal found 7/7฿4,591
Wed 24/906:55USM - DMK
Nonstop1h 30mBangkok Airways
Fri 26/918:15DMK - USM
Nonstop1h 30mBangkok Airways
Deal found 6/7฿5,470
Fri 5/919:00USM - DMK
1 stop14h 15mMultiple Airlines
Tue 9/918:15DMK - USM
Nonstop1h 30mMultiple Airlines
Deal found 7/7฿5,828
Fri 5/912:10USM - BKK
1 stop5h 00mMultiple Airlines
Tue 9/906:30BKK - USM
Nonstop1h 05mMultiple Airlines
Deal found 7/7฿5,893

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 8 July 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

Sun 5/10

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Thu 9/10

06:15-07:20

Nonstop1h 05m

฿4,591

Ko SamuiBangkok

USM - DMK

USMDMK

Ko Samui

Wed 24/9

06:55-08:25

Nonstop1h 30m

Bangkok Don Mueang Intl

Fri 26/9

18:15-19:45

Nonstop1h 30m

฿5,470

Ko SamuiBangkok

USM - DMK

USMDMK

Ko Samui

Fri 5/9

19:00-09:15

1 stop14h 15m

Bangkok Don Mueang Intl

Tue 9/9

18:15-19:45

Nonstop1h 30m

฿5,828

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Fri 5/9

12:10-17:10

1 stop5h 00m

Bangkok Suvarnabhumi

Tue 9/9

06:30-07:35

Nonstop1h 05m

฿5,893

Ko SamuiBangkok

USM - DMK

USMDMK

Ko Samui

Thu 2/10

12:30-17:10

1 stop4h 40m

฿3,288

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Tue 2/9

15:25-23:30

1 stop8h 05m

฿3,321

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Sat 3/1

08:30-09:45

Nonstop1h 15m

฿3,419

Ko SamuiBangkok

USM - DMK

USMDMK

Ko Samui

Thu 18/9

06:55-08:25

Nonstop1h 30m

฿3,484

Flights are sorted by cheapest return flights first.

Deals found on 7/7

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 27 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 ฿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 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 8 July 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 6 July 2025.

Travellers seeking maximum savings on their Ko Samui to Bangkok flight should consider departing on Saturday 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 8 July 2025.

The most flights from USM to TH1 are scheduled on a Thursday (292 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (273 on average).

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

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 8 July 2025.
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
8.0
Very Good
111 reviews
Check prices

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

6.2

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

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

6.2

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 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 279 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 (฿4,591), offers the cheapest pricing from Ko Samui to Bangkok. Bangkok Airways is currently priced 42% 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 (95%), Japan Airlines (93%) and แอร์ฟร้านซ์ (93%).

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

    The cheapest flight price from Ko Samui to Bangkok is ฿3,830. On average you can expect to pay ฿8,113. The most popular route, (Ko Samui - Bangkok Suvarnabhumi), can usually be booked for ฿4,558.

  • 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 ฿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

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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.
Chiang Mai to Phuket City flights
Chiang Mai to Krabi flights
Chiang Mai to Ko Samui flights
Phuket City 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 8 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest฿4,643Average฿9,734FlexibilityNo 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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