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 Saturday and return on a Monday
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 28 September 2026.
Popular in
July
Cheapest in
May
Average price
฿8,996
Highest demand for flights based on searches. 12% potential increase in price (฿41,556 potential increase over avg. return price).
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.
USM-TH1
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
Prices
Airlines
Delays
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.
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 ฿5,941). Flying from Ko Samui to Bangkok in July is currently the most expensive (average of ฿10,607). 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 28 September 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 51% 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 28 September 2026.
The most flights from USM to TH1 are scheduled on a Saturday (306 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (263 on average).
How often are flights from Ko Samui to Bangkok delayed?
About 15% of weekly flights between Ko Samui and Bangkok have experienced delays in the past year, with the average delay time being 100 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 Friday 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 15% of flights being delayed.
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 28 September 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.
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 289 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 (฿4,673), 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 ฿3,339 on Bangkok Airways. Other airlines that offer cheap prices include Thai Airways from ฿5,934 and เตอร์กิชแอร์ไลน์ from ฿6,750 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 (97%), สวิส อินเตอร์เนชั่นแนล แอร์ไลน์ (89%) and Garuda Indonesia (87%).
What are the cheapest flights from Ko Samui to Bangkok?
The cheapest flight price from Ko Samui to Bangkok is ฿2,938. On average you can expect to pay ฿6,051. The most popular route, (Ko Samui - Bangkok Suvarnabhumi), can usually be booked for ฿5,002.
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 ฿5,941). Flying from Ko Samui to Bangkok in July is currently the most expensive (average of ฿10,607). 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.
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 7,457,451 searches. Data last updated 28 September 2026.
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.
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