Cheap flights from Ko Samui to Bangkok Suvarnabhumi Airport from $125
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/10. Fares are subject to change and may not be available on all flights or dates of travel.
USM — BKK
17 Oct — 24 Oct2
Return
2 travellers
Economy
Return
2 travellers, Economy, 0 bags
Cheapflights Tip: The best prices from Ko Samui to Bangkok Suvarnabhumi are usually found in May or February, booked 18 days in advance, depart on a Monday or Tuesday and return on a Friday
Cheap flight deals from Ko Samui to Suvarnabhumi
Enter your travel dates to find the best prices.
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One-way
Cheapest flights from Ko Samui to Suvarnabhumi
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 17 September 2026.
Mon 16/1114:05 -
Nonstop1h 15m
Thu 19/1114:30 -
Nonstop1h 10m
Deal found 15/9$204
Sat 17/1018:55 -
Nonstop1h 30m
Sun 18/1013:55 -
Nonstop1h 30m
Deal found 13/9$205
Mon 19/1006:00 -
Nonstop1h 15m
Thu 22/1006:05 -
Nonstop1h 05m
Deal found 17/9$235
Sun 11/1006:00 -
Nonstop1h 15m
Sun 18/1010:05 -
Nonstop1h 10m
Deal found 13/9$292
Sat 17/1017:00 -
1 stop5h 05m
Sun 18/1006:50 -
1 stop7h 50m
Deal found 15/9$294
Mon 19/1017:55 -
1 stop5h 35m
Wed 28/1007:00 -
1 stop7h 30m
Deal found 17/9$299
Fri 16/1012:30 -
1 stop5h 25m
Sun 18/1006:50 -
1 stop7h 50m
Deal found 17/9$302
Thu 15/1017:55 -
1 stop5h 35m
Sun 18/1006:50 -
1 stop3h 40m
Deal found 12/9$322
Wed 14/1008:45 -
Nonstop1h 15m
Wed 21/1017:25 -
Nonstop1h 05m
Deal found 16/9$323
Best flights from Ko Samui to Suvarnabhumi
Discover carefully curated flight deals from Ko Samui to Suvarnabhumi that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.
Fri 16/1012:30 -
1 stop5h 25m
Sun 18/1006:50 -
1 stop7h 50m
Deal found 17/9$302
Sat 17/1017:00 -
1 stop5h 05m
Sun 18/1006:50 -
1 stop3h 40m
Deal found 13/9$319
Tue 27/1015:50 -
1 stop7h 25m
Tue 3/1113:40 -
1 stop4h 45m
Deal found 12/9$331
Thu 5/1115:50 -
1 stop5h 15m
Sun 8/1113:40 -
1 stop4h 45m
Deal found 16/9$354
Direct flights from Ko Samui to Suvarnabhumi
Explore direct flight options from Ko Samui to Suvarnabhumi based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 September 2026.
Mon 16/1114:05 -
Nonstop1h 15m
Thu 19/1114:30 -
Nonstop1h 10m
Deal found 15/9$204
Sat 17/1018:55 -
Nonstop1h 30m
Sun 18/1013:55 -
Nonstop1h 30m
Deal found 13/9$205
Mon 19/1006:00 -
Nonstop1h 15m
Thu 22/1006:05 -
Nonstop1h 05m
Deal found 17/9$235
Sun 11/1006:00 -
Nonstop1h 15m
Sun 18/1010:05 -
Nonstop1h 10m
Deal found 13/9$292
Wed 14/1008:45 -
Nonstop1h 15m
Wed 21/1017:25 -
Nonstop1h 05m
Deal found 16/9$323
Tue 13/1018:55 -
Nonstop1h 30m
Tue 20/1020:05 -
Nonstop1h 30m
Deal found 15/9$324
Fri 9/1006:00 -
Nonstop1h 15m
Sat 24/1006:05 -
Nonstop1h 05m
Deal found 14/9$348
Thu 8/1006:00 -
Nonstop1h 15m
Tue 20/1008:10 -
Nonstop1h 10m
Deal found 14/9$361
Tue 6/1006:00 -
Nonstop1h 15m
Tue 20/1020:05 -
Nonstop1h 30m
Deal found 14/9$369
Sun 11/1006:00 -
Nonstop1h 15m
Mon 26/1006:10 -
Nonstop1h 35m
Deal found 14/9$381
Sat 10/1018:25 -
Nonstop1h 15m
Mon 26/1006:10 -
Nonstop1h 35m
Deal found 14/9$395
Wed 7/1006:00 -
Nonstop1h 15m
Fri 23/1020:05 -
Nonstop1h 30m
Deal found 14/9$407
Last-minute flights from Ko Samui to Suvarnabhumi
Discover last-minute flight deals from Ko Samui to Suvarnabhumi. Data last updated 17 September 2026 and is based on user searches.
Tue 22/912:30 -
1 stop5h 25m
Sat 26/913:25 -
1 stop7h 00m
Deal found 15/9$419
Tue 22/908:00 -
1 stop9h 10m
Tue 29/915:15 -
1 stop5h 10m
Deal found 15/9$430
Wed 23/908:00 -
1 stop9h 10m
Wed 30/913:25 -
1 stop7h 00m
Deal found 16/9$441
Thu 24/908:00 -
1 stop9h 10m
Sun 27/915:15 -
1 stop5h 10m
Deal found 12/9$433
Fri 25/917:00 -
1 stop5h 05m
Sun 27/915:15 -
1 stop5h 10m
Deal found 12/9$397
Sat 26/917:00 -
1 stop5h 05m
Sat 3/1015:15 -
1 stop5h 10m
Deal found 12/9$358
Sun 27/917:00 -
1 stop5h 05m
Thu 1/1009:50 -
1 stop8h 10m
Deal found 13/9$371
Sun 27/917:00 -
1 stop5h 05m
Tue 29/915:15 -
1 stop5h 10m
Deal found 16/9$417
Sun 27/917:00 -
1 stop5h 05m
Wed 30/915:15 -
1 stop5h 10m
Deal found 16/9$428
One-way flights from Ko Samui to Suvarnabhumi
Search for one-way flight options from Ko Samui to Suvarnabhumi. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.
Mon 19/1007:50 -
Nonstop1h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 14/9$125
Sat 7/1118:15 -
1 stop4h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 16/9$166
Mon 30/1118:15 -
1 stop4h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/9$167
Sat 24/1006:00 -
Nonstop1h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 16/9$171
Mon 14/1207:55 -
Nonstop1h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/9$176
Tue 10/1112:30 -
1 stop11h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 13/9$178
Sat 26/917:00 -
1 stop5h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9$181
Fri 25/917:00 -
1 stop5h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9$185
Thu 22/1008:00 -
1 stop6h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 13/9$191
Find 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 17 September 2026.
Customise your flight search to find flights from Ko Samui to Suvarnabhumi 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 7,457,451 searches. Data last updated 17 September 2026.
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
Cheapest return flight
Ko SamuiBangkok
USM Ko Samui - BKK Bangkok Suvarnabhumi
USMBKK
Ko Samui
Sat 26/9
17:00-22:05
1 stop5h 05m
Bangkok Suvarnabhumi
Wed 31/12
00:00-00:00
Nonstop0h 00m
$181
Ko SamuiBangkok
USM Ko Samui - BKK Bangkok Suvarnabhumi
USMBKK
Ko Samui
Fri 25/9
17:00-22:05
1 stop5h 05m
Bangkok Suvarnabhumi
Wed 31/12
00:00-00:00
Nonstop0h 00m
$183
Ko SamuiBangkok
USM Ko Samui - BKK Bangkok Suvarnabhumi
USMBKK
Ko Samui
Mon 16/11
08:15-15:10
1 stop6h 55m
Bangkok Suvarnabhumi
Wed 31/12
00:00-00:00
Nonstop0h 00m
$185
Ko SamuiBangkok
USM Ko Samui - BKK Bangkok Suvarnabhumi
USMBKK
Ko Samui
Mon 28/9
17:00-22:05
1 stop5h 05m
Bangkok Suvarnabhumi
Wed 31/12
00:00-00:00
Nonstop0h 00m
$192
Fastest return journey
Ko SamuiBangkok
USM Ko Samui - BKK Bangkok Suvarnabhumi
USMBKK
Ko Samui
Wed 14/10
18:55-20:25
Nonstop1h 30m
Bangkok Suvarnabhumi
Wed 31/12
00:00-00:00
Nonstop0h 00m
$197
Ko SamuiBangkok
USM Ko Samui - BKK Bangkok Suvarnabhumi
USMBKK
Ko Samui
Fri 30/10
12:25-22:05
1 stop9h 40m
Bangkok Suvarnabhumi
Wed 31/12
00:00-00:00
Nonstop0h 00m
$202
Ko SamuiBangkok
USM Ko Samui - BKK Bangkok Suvarnabhumi
USMBKK
Ko Samui
Wed 16/12
19:00-22:55
1 stop3h 55m
Bangkok Suvarnabhumi
Wed 31/12
00:00-00:00
Nonstop0h 00m
$205
Ko SamuiBangkok
USM Ko Samui - BKK Bangkok Suvarnabhumi
USMBKK
Ko Samui
Tue 29/9
17:00-22:05
1 stop5h 05m
Bangkok Suvarnabhumi
Wed 31/12
00:00-00:00
Nonstop0h 00m
$205
Ko SamuiBangkok
USM Ko Samui - BKK Bangkok Suvarnabhumi
USMBKK
Ko Samui
Sun 20/9
17:00-22:05
1 stop5h 05m
Bangkok Suvarnabhumi
Wed 31/12
00:00-00:00
Nonstop0h 00m
$208
Ko SamuiBangkok
USM Ko Samui - BKK Bangkok Suvarnabhumi
USMBKK
Ko Samui
Fri 16/10
12:30-17:55
1 stop5h 25m
Bangkok Suvarnabhumi
Sun 18/10
06:50-14:40
1 stop7h 50m
$302
Flights are sorted by cheapest return flights first.
Deals found on 17/9
Showing 1-10 of 13 resultsSorted by cheapest first
1
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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.
USM-BKK
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 Suvarnabhumi Airport
Prices
Airlines
Delays
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 16 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, May is the cheapest month in which you can book a flight from Ko Samui to Bangkok Suvarnabhumi Airport (average of $249). Flying from Ko Samui to Bangkok Suvarnabhumi Airport in July is currently the most expensive (average of $444). 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 Suvarnabhumi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2026.
It’s optimal to fly from Ko Samui to Bangkok Suvarnabhumi Airport in the afternoon. By choosing this option you can save up to 84% on the cost of your flight, compared to a flight in the evening.
How much does it cost for a return flight from Ko Samui to Bangkok Suvarnabhumi Airport?
Airfare is below average for this route at the moment.
Ko Samui to Bangkok Suvarnabhumi Airport flights typically cost between $322 and $423 in November.The cheapest return price found within the last 5 days was $204 on Bangkok Airways (16 Nov–19 Nov).
Weekly flight availability from Ko Samui to Bangkok Suvarnabhumi Airport
Explore weekly flight availability from Ko Samui to Suvarnabhumi. 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 17 September 2026.
The most flights from USM to BKK are scheduled on a Wednesday (293 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (259 on average).
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 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 16% of flights being delayed.
Reviews of airlines servicing Suvarnabhumi
Get insights into the airlines that provide service to Suvarnabhumi. 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 Suvarnabhumi. Reviews last updated 17 September 2026.
Get a feel of what it's like to fly with Bangkok Airways from Ko Samui to Bangkok Suvarnabhumi Airport 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 Suvarnabhumi. 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 Suvarnabhumi?
If you book a flight to Bangkok Suvarnabhumi from Ko Samui, you will be flying from Ko Samui, which is the city’s only airport. Ko Samui (USM) is located 3.3 km from the centre of Ko Samui. There are 278 flights from Ko Samui to Bangkok Suvarnabhumi per day from 1 airline.
What is the cheapest airline to fly from Ko Samui to Bangkok Suvarnabhumi Airport round-trip?
Bangkok Airways, at $122, was found to be the cheapest airline from Ko Samui to Bangkok Suvarnabhumi Airport.. This flight start at 66% lower than the current average price 3 months from now.
What are the most reliable airlines from Ko Samui to Bangkok Suvarnabhumi Airport?
Before booking your flight to Bangkok Suvarnabhumi Airport from Ko Samui, have a look at the most reliable airlines to get you to your destination on time: Air Astana (97%), SWISS (89%), Garuda Indonesia( 87%).
What are the cheapest flights from Ko Samui to Bangkok Suvarnabhumi Airport?
On average you can expect to pay $173 for a flight from Ko Samui to Bangkok Suvarnabhumi Airport. The cheapest flight overall is $112 while the most popular route, (Ko Samui - Bangkok Suvarnabhumi) is currently priced at $169.
Can I find deals for business class flights from Ko Samui to Suvarnabhumi?
Yes. Cheapflights offers flight deals from Ko Samui to Suvarnabhumi 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 Suvarnabhumi Airport?
Currently, May is the cheapest month in which you can book a flight from Ko Samui to Bangkok Suvarnabhumi Airport (average of $249). Flying from Ko Samui to Bangkok Suvarnabhumi Airport in July is currently the most expensive (average of $444). 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.
Explore flights to Suvarnabhumi departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 17 September 2026.
Discover the top airline that operate flights from Ko Samui to Suvarnabhumi. 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 17 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 Suvarnabhumi?
When you search for this flight from Ko Samui to Suvarnabhumi, 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 Suvarnabhumi?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Suvarnabhumi from Ko Samui.
Can Cheapflights find flights from Ko Samui to Suvarnabhumi with no change fees?
Need flexible booking options for your flight to Suvarnabhumi from Ko Samui? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
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.
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