Cheap flights from Ko Samui to Bangkok Suvarnabhumi Airport from $149
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 24/12. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from Ko Samui to Bangkok Suvarnabhumi are usually found in September or May, booked 89 days in advance, depart on a Thursday or Tuesday and return on a Tuesday
Cheap flight deals from Ko Samui to Suvarnabhumi
Discover tips and strategies to find the most affordable flight options for your journey from Ko Samui (USM) to Suvarnabhumi (BKK). 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 24 October 2025.
Find flight deals from Ko Samui to Suvarnabhumi
Cheapest flights from Ko Samui to SuvarnabhumiExplore the most affordable flight options available from Ko Samui to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2025.
Explore the most affordable flight options available from Ko Samui to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Ko Samui to Bangkok Suvarnabhumi Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Ko SamuiBangkok
USM - BKK
USMBKK
Ko Samui
Wed 11/3
07:00-08:15
Nonstop1h 15m
Bangkok Suvarnabhumi
Thu 12/3
06:00-07:10
Nonstop1h 10m
Ko SamuiBangkok
USM - BKK
USMBKK
Ko Samui
Thu 20/11
07:00-08:15
Nonstop1h 15m
Bangkok Suvarnabhumi
Sun 23/11
06:00-07:10
Nonstop1h 10m
Ko SamuiBangkok
USM - BKK
USMBKK
Ko Samui
Wed 11/3
07:00-08:15
Nonstop1h 15m
Bangkok Suvarnabhumi
Sat 14/3
06:00-07:10
Nonstop1h 10m
Ko SamuiBangkok
USM - BKK
USMBKK
Ko Samui
Wed 11/3
07:00-08:15
Nonstop1h 15m
Bangkok Suvarnabhumi
Fri 13/3
06:00-07:10
Nonstop1h 10m
Ko SamuiBangkok
USM - BKK
USMBKK
Ko Samui
Thu 22/1
07:15-08:50
Nonstop1h 35m
Bangkok Suvarnabhumi
Sat 24/1
06:00-07:10
Nonstop1h 10m
Ko SamuiBangkok
USM - BKK
USMBKK
Ko Samui
Thu 6/11
07:00-08:15
Nonstop1h 15m
Bangkok Suvarnabhumi
Sun 9/11
06:10-07:45
Nonstop1h 35m
Ko SamuiBangkok
USM - BKK
USMBKK
Ko Samui
Wed 19/11
07:55-09:10
Nonstop1h 15m
Bangkok Suvarnabhumi
Wed 26/11
06:00-07:10
Nonstop1h 10m
Ko SamuiBangkok
USM - BKK
USMBKK
Ko Samui
Mon 9/3
07:55-09:10
Nonstop1h 15m
Bangkok Suvarnabhumi
Tue 10/3
06:00-07:10
Nonstop1h 10m
Ko SamuiBangkok
USM - BKK
USMBKK
Ko Samui
Thu 27/11
07:00-08:15
Nonstop1h 15m
Bangkok Suvarnabhumi
Sun 30/11
06:10-07:45
Nonstop1h 35m
Ko SamuiBangkok
USM - BKK
USMBKK
Ko Samui
Wed 24/12
20:40-21:50
Nonstop1h 10m
Best time to book a flight from Ko Samui to Suvarnabhumi
Have a flexible travel schedule? Discover the best time to fly to Suvarnabhumi from Ko Samui with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Ko Samui to Bangkok Suvarnabhumi Airport
How far ahead should I book a flight from Ko Samui to Bangkok Suvarnabhumi Airport?
The best time to book flights from Ko Samui to Bangkok Suvarnabhumi Airport is 89 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Ko Samui to Bangkok Suvarnabhumi Airport?
Currently, June is the cheapest month in which you can book a flight from Ko Samui to Bangkok Suvarnabhumi Airport (average of $26). Flying from Ko Samui to Bangkok Suvarnabhumi Airport in August is currently the most expensive (average of $85). 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?
It’s optimal to fly from Ko Samui to Bangkok Suvarnabhumi Airport in the morning. By choosing this option you can save up to 84% on the cost of your flight, compared to a flight in the evening.
How often are flights from Ko Samui to Bangkok delayed?
About 14% of weekly flights between Ko Samui and Bangkok have experienced delays in the past year, with the average delay time being 94 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, Air France have had the lowest number of delays on this route, with just 2% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from Ko Samui to Suvarnabhumi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ko Samui to Suvarnabhumi
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Can Cheapflights find flights from Ko Samui to Suvarnabhumi with no change fees?
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Can Cheapflights notify me if prices for flights from Ko Samui to Suvarnabhumi become cheaper?
Not ready to book yet? You can track prices for flights from Ko Samui to Suvarnabhumi on Cheapflights with our Price Alert feature and get notified when better prices are available.