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Cheap flights from Ko Samui to Southeast Asia from $139

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 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
USM — BKK
2 Jun — 9 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ko Samui to Southeast Asia

Enter your travel dates to find the best prices.

Cheapest flights from Ko Samui to Southeast Asia
Explore the most affordable flight options available from Ko Samui to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 May 2026.

Mon 15/607:50
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Mon 22/606:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Deal found 1/5$230
Tue 16/607:50
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Tue 23/606:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Deal found 2/5$232
Thu 17/914:35
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Wed 23/907:10
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Deal found 2/5$236
Sat 26/907:50
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Wed 30/906:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Deal found 29/4$275
Mon 18/506:00
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Thu 21/506:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Deal found 3/5$287
Tue 16/606:00
USM
-
BKK
Nonstop1h 15m
Multiple Airlines
Tue 23/610:20
BKK
-
USM
1 stop4h 20m
Multiple Airlines
Deal found 2/5$293
Mon 15/611:25
USM
-
BKK
1 stop3h 30m
Multiple Airlines
Mon 22/606:05
BKK
-
USM
Nonstop1h 05m
Multiple Airlines
Deal found 1/5$336
Thu 14/508:45
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Tue 19/506:05
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Deal found 1/5$338
Fri 26/608:40
USM
-
SIN
Nonstop1h 55m
Scoot
Mon 29/617:55
SIN
-
USM
Nonstop1h 55m
Scoot
Deal found 3/5$382
Mon 15/608:40
USM
-
SIN
Nonstop1h 55m
Scoot
Mon 22/617:55
SIN
-
USM
Nonstop1h 55m
Scoot
Deal found 1/5$388
Mon 15/608:40
USM
-
SIN
Nonstop1h 55m
Multiple Airlines
Mon 22/607:30
SIN
-
USM
1 stop10h 25m
Multiple Airlines
Deal found 1/5$466
Thu 15/1018:15
USM
-
SIN
Nonstop1h 55m
Scoot
Mon 19/1016:25
SIN
-
USM
Nonstop1h 55m
Scoot
Deal found 29/4$494

Find flight deals from Ko Samui to Southeast Asia

Keep the following information in mind while searching for Ko Samui to Southeast Asia flight deals. Data was last updated 3 May 2026.

Round-trip from

$230

One-way from

$139

Popular in

July

Cheapest in

February

Average price

$320
Bangkok Airways
  • Bangkok Airways
  • 15/6-22/6
  • Nonstop
  • 2h 20m total
  • Ko Samui to Southeast Asia
Search Deals
Bangkok Airways
  • Bangkok Airways
  • 14/6
  • Nonstop
  • 1h 15m total
  • Ko Samui to Southeast Asia
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($44 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 May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ko Samui to Southeast Asia 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 3 May 2026.
Use the filters below to find and compare flights from Ko Samui to Southeast Asia 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

Sat 26/9

06:00-07:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Wed 30/9

06:05-07:10

Nonstop1h 05m

$276

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Mon 18/5

06:00-07:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Thu 21/5

06:05-07:10

Nonstop1h 05m

$287

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Thu 14/5

17:35-18:50

Nonstop1h 15m

Bangkok Suvarnabhumi

Tue 19/5

06:05-07:10

Nonstop1h 05m

$338

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Sat 30/5

06:00-07:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Sat 6/6

06:05-07:10

Nonstop1h 05m

$340

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Fri 26/6

08:40-11:35

Nonstop1h 55m

Singapore Changi

Mon 29/6

17:55-18:50

Nonstop1h 55m

$382

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Sat 4/7

20:35-21:50

Nonstop1h 15m

Bangkok Suvarnabhumi

Sun 19/7

06:05-07:10

Nonstop1h 05m

$387

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Mon 25/5

06:00-07:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Mon 25/5

19:20-20:50

Nonstop1h 30m

$402

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Thu 15/10

18:15-21:10

Nonstop1h 55m

Singapore Changi

Mon 19/10

16:25-17:20

Nonstop1h 55m

$494

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Fri 18/9

18:15-21:10

Nonstop1h 55m

Singapore Changi

Mon 21/9

07:00-07:45

Nonstop1h 45m

$497

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Fri 4/9

13:30-16:25

Nonstop1h 55m

Singapore Changi

Fri 4/9

20:15-21:10

Nonstop1h 55m

$687

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 35 resultsSorted by cheapest first
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Best time to book a flight from Ko Samui to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia 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 Southeast Asia

What is the cheapest month to book a flight from Ko Samui to Southeast Asia?

Currently, May is the cheapest month in which you can book a flight from Ko Samui to Southeast Asia (average of $128). Flying from Ko Samui to Southeast Asia in June is currently the most expensive (average of $218). 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 YJX?

Find hourly flight availability from Ko Samui to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 May 2026.

It’s typically best to fly out from Ko Samui to Southeast Asia in the morning. Doing so could potentially save you 76% on the flight price compared to flying at midday, which is usually more expensive.

Weekly flight availability from Ko Samui to Southeast Asia

Explore weekly flight availability from Ko Samui to Southeast Asia. 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 3 May 2026.

The most flights from USM to zzYJX are scheduled on a Saturday (306 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (280 on average).

Related info for your journey

Find useful and relevant information for your journey from Ko Samui to Southeast Asia. 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 Southeast Asia?

    For a flight from Ko Samui to Southeast Asia, you will be flying from Ko Samui. Ko Samui (USM) is just 3.3 km from the centre of the city.

  • How long is the flight from Ko Samui to Southeast Asia?

    There are many flights that can get you from Ko Samui to Southeast Asia in 1h 15m. Fly via Bangkok Airways or Scoot to get the fastest option. Ko Samui and Southeast Asia are separated by a distance of 467 km. All flights are typically direct.

  • What are the most reliable airlines from Ko Samui to Southeast Asia?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Ko Samui to Southeast Asia on time: Air France (97%), SWISS (91%), KLM (91%).

  • What are the cheapest flights from Ko Samui to Southeast Asia?

    Looking at all options, your cheapest flight can be booked for $124. While the most popular route (Ko Samui - Singapore Changi) can be booked for $390 on average, our data indicates $249 when flying from Ko Samui to Southeast Asia.

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

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

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

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

  • Can I find deals for business class flights from Ko Samui to Southeast Asia?

    Yes. Cheapflights offers flight deals from Ko Samui to Southeast Asia 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 Southeast Asia?

    Currently, May is the cheapest month in which you can book a flight from Ko Samui to Southeast Asia (average of $128). Flying from Ko Samui to Southeast Asia in June is currently the most expensive (average of $218). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Ko Samui to Southeast Asia

Discover the top airline that operate flights from Ko Samui to Southeast Asia. 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 3 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest$120Average$396FlexibilityNo 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 Southeast Asia?

Cheapflights makes it easy to find Ko Samui to Southeast Asia flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ko Samui to Southeast Asia?

Cheapflights helps you find that perfect flight to Southeast Asia from Ko Samui by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ko Samui to Southeast Asia with no change fees?

Yes, we can. To see specific flights from Ko Samui to Southeast Asia with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ko Samui to Southeast Asia become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Southeast Asia from Ko Samui today and book when prices fit your budget.

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