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Cheap flights from Ko Samui to Bangkok Suvarnabhumi Airport from $142

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 19/5. Fares are subject to change and may not be available on all flights or dates of travel.
USM — BKK
19 May — 26 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Ko Samui to Bangkok Suvarnabhumi are usually found in February or September, booked 24 days in advance, depart on a Thursday or Tuesday and return on a Wednesday

Cheap flight deals from Ko Samui to Suvarnabhumi

Enter your travel dates to find the best prices.

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 19 April 2026.

Fri 24/407:50
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Sun 26/417:55
BKK
-
USM
Nonstop1h 30m
Bangkok Airways
Deal found 16/4$243
Thu 14/506:00
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Thu 21/506:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Deal found 16/4$250
Sat 30/506:00
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Sat 6/606:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Deal found 15/4$251
Thu 14/506:00
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Tue 19/506:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Deal found 14/4$255
Tue 26/517:05
USM
-
BKK
Nonstop1h 30m
Bangkok Airways
Wed 10/606:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Deal found 17/4$257
Sat 30/506:00
USM
-
BKK
Nonstop1h 15m
Multiple Airlines
Sat 6/610:20
BKK
-
USM
1 stop7h 40m
Multiple Airlines
Deal found 15/4$269
Mon 22/606:00
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Mon 22/609:15
BKK
-
USM
Nonstop1h 30m
Bangkok Airways
Deal found 14/4$275
Thu 29/1007:00
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Sun 1/1110:15
BKK
-
USM
Nonstop1h 35m
Bangkok Airways
Deal found 15/4$282
Thu 21/506:00
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Mon 25/506:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Deal found 17/4$283
Fri 15/515:50
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Tue 19/506:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Deal found 15/4$305

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 19 April 2026.

Round-trip from

$250

One-way from

$142

Popular in

July

Cheapest in

February

Average price

$357

Good one-way deal

$223 or less
Bangkok Airways
  • Bangkok Airways
  • 14/5-21/5
  • Nonstop
  • 2h 20m total
  • Ko Samui to Bangkok
Search Deals
Bangkok Airways
  • Bangkok Airways
  • 19/5
  • Nonstop
  • 1h 15m total
  • Ko Samui to Bangkok
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($46 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a one-way flight from Ko Samui to Bangkok Suvarnabhumi.
Search Deals

Cheapflights Fare Finder

 
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 647,157 searches. Data last updated 19 April 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
Fastest return journey

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Thu 14/5

06:00-07:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Tue 19/5

06:05-07:10

Nonstop1h 05m

$255

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Tue 26/5

17:05-18:35

Nonstop1h 30m

Bangkok Suvarnabhumi

Wed 10/6

06:05-07:10

Nonstop1h 05m

$257

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Sat 30/5

06:00-07:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Sat 6/6

10:20-18:00

1 stop7h 40m

$269

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Mon 22/6

06:00-07:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Mon 22/6

09:15-10:45

Nonstop1h 30m

$275

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Thu 21/5

06:00-07:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Mon 25/5

06:05-07:10

Nonstop1h 05m

$283

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Fri 15/5

15:50-17:05

Nonstop1h 15m

Bangkok Suvarnabhumi

Tue 19/5

06:05-07:10

Nonstop1h 05m

$305

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Sun 10/5

21:00-22:30

Nonstop1h 30m

Bangkok Suvarnabhumi

Thu 14/5

06:05-07:10

Nonstop1h 05m

$316

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Sun 3/5

17:25-18:40

Nonstop1h 15m

Bangkok Suvarnabhumi

Wed 6/5

06:05-07:10

Nonstop1h 05m

$372
Cheapest one-way
Fastest single journey

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Tue 19/5

06:00-07:15

Nonstop1h 15m

$142

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Sat 23/5

06:00-07:15

Nonstop1h 15m

$145

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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.
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

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

Use this chart to determine the optimal time to book a return flight from Ko Samui to Suvarnabhumi. Price data was last updated on 17 April 2026.

The best time to book flights from Ko Samui to Bangkok Suvarnabhumi Airport is 24 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, February is the cheapest month in which you can book a flight from Ko Samui to Bangkok Suvarnabhumi Airport (average of $270). Flying from Ko Samui to Bangkok Suvarnabhumi Airport in July is currently the most expensive (average of $428). 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 19 April 2026.

It’s optimal to fly from Ko Samui to Bangkok Suvarnabhumi Airport at midday. By choosing this option you can save up to 85% 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?

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 19 April 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.
Bangkok Airways
8.1
Very Good
128 reviews
Check prices

Comfort

8.0

Food

7.3

Entertainment

6.3

Crew

8.6

Overall

8.1

Boarding

8.1

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect
Bangkok Airways
8.1
Very Good
128 reviews
Bangkok Airways
8.1
Very Good
128 reviews
Check prices

Comfort

8.0

Food

7.3

Entertainment

6.3

Crew

8.6

Overall

8.1

Boarding

8.1

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

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 313 flights from Ko Samui to Bangkok Suvarnabhumi per day from 1 airline.

  • How long is the flight from Ko Samui to Bangkok Suvarnabhumi Airport?

    There are many flights that can get you from Ko Samui to Bangkok Suvarnabhumi Airport in 1h 15m. Fly via Bangkok Airways to get the fastest option. The distance from Ko Samui to Bangkok Suvarnabhumi Airport is about 467 km. All flights are typically direct.

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

    Bangkok Airways, at $208, was found to be the cheapest airline from Ko Samui to Bangkok Suvarnabhumi Airport.. This flight start at 39% 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: SWISS (95%), Air France (93%), KLM( 90%).

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

    On average you can expect to pay $259 for a flight from Ko Samui to Bangkok Suvarnabhumi Airport. The cheapest flight overall is $124 while the most popular route, (Ko Samui - Bangkok Suvarnabhumi) is currently priced at $167.

  • Can I find deals for flights from Ko Samui to Suvarnabhumi that include hotel bookings?

    Yes. In addition to deals on Ko Samui to Suvarnabhumi flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ko Samui to Suvarnabhumi?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ko Samui to Suvarnabhumi.

  • 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, February is the cheapest month in which you can book a flight from Ko Samui to Bangkok Suvarnabhumi Airport (average of $270). Flying from Ko Samui to Bangkok Suvarnabhumi Airport in July is currently the most expensive (average of $428). 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

Travelling to a place near Bangkok Suvarnabhumi Airport?

Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Chonburi
Ko Samet
Kanchanaburi
Ko Lan
Cha-am

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Alternative routes for Ko Samui to Suvarnabhumi

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

Top airline flying from Ko Samui to Suvarnabhumi

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 647,157 searches. Data last updated 19 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest$208Average$398FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights

Fly with Cheapflights

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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