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Cheap flights from Ko Samui to Southeast Asia 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.
USM — BKK
23 Nov — 30 Nov1
1 adult
1 adult, Economy, 0 bags

Find 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 24 October 2025.

Thu 20/1107:00USM - BKK
Nonstop1h 15mBangkok Airways
Sun 23/1106:00BKK - USM
Nonstop1h 10mBangkok Airways
Deal found 21/10$214
Wed 19/1107:55USM - BKK
Nonstop1h 15mBangkok Airways
Wed 26/1106:00BKK - USM
Nonstop1h 10mBangkok Airways
Deal found 22/10$269
Wed 19/1107:55USM - BKK
Nonstop1h 15mBangkok Airways
Fri 21/1106:00BKK - USM
Nonstop1h 10mBangkok Airways
Deal found 21/10$271
Mon 3/1107:00USM - BKK
Nonstop1h 15mBangkok Airways
Fri 7/1119:15BKK - USM
Nonstop1h 10mBangkok Airways
Deal found 23/10$300
Wed 19/1115:05USM - BKK
1 stop7h 50mMultiple Airlines
Wed 26/1106:00BKK - USM
Nonstop1h 10mMultiple Airlines
Deal found 22/10$303
Fri 21/1107:55USM - BKK
Nonstop1h 15mBangkok Airways
Sun 23/1106:00BKK - USM
Nonstop1h 10mBangkok Airways
Deal found 22/10$331
Tue 18/1115:40USM - BKK
Nonstop1h 35mBangkok Airways
Tue 18/1119:15BKK - USM
Nonstop1h 10mBangkok Airways
Deal found 23/10$343
Mon 24/1114:05USM - BKK
Nonstop1h 15mBangkok Airways
Mon 24/1119:15BKK - USM
Nonstop1h 10mBangkok Airways
Deal found 22/10$354
Wed 5/1107:55USM - BKK
Nonstop1h 15mBangkok Airways
Thu 6/1106:20BKK - USM
Nonstop1h 10mBangkok Airways
Deal found 22/10$360
Sun 7/1217:40USM - BKK
Nonstop1h 15mBangkok Airways
Sun 14/1206:00BKK - USM
Nonstop1h 10mBangkok Airways
Deal found 23/10$370
Sun 7/1208:55USM - SIN
Nonstop2h 00mScoot
Sun 14/1218:00SIN - USM
Nonstop1h 50mScoot
Deal found 22/10$424
Sun 7/1208:55USM - SIN
Nonstop2h 00mMultiple Airlines
Sun 14/1218:15SIN - USM
1 stop15h 10mMultiple Airlines
Deal found 22/10$570

Cheap 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 24 October 2025.

Round-trip from

$214

One-way from

$149

Popular in

March

Cheapest in

September

Average price

$400
Bangkok Airways
  • Bangkok Airways
  • 11/3-14/3
  • Nonstop
  • 2h 25m total
  • Ko Samui to Southeast Asia
Search Deals
Bangkok Airways
  • Bangkok Airways
  • 24/12
  • Nonstop
  • 1h 35m total
  • Ko Samui to Southeast Asia
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($42 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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 24 October 2025.
Use the filters below to find and compare flights from Ko Samui to Southeast Asia that are best for you.

Fly from

Ko Samui

Fly to

Southeast Asia

Route

Depart

Return

Price

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

$214

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

$214

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

$215

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

$249

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

$271

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

$271

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Thu 27/11

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Sun 30/11

07:00-08:10

Nonstop1h 10m

$286

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Sun 7/12

08:55-11:55

Nonstop2h 00m

Singapore Changi

Sun 14/12

18:00-18:50

Nonstop1h 50m

$424

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Sun 7/12

08:55-11:55

Nonstop2h 00m

Singapore Changi

Sun 14/12

18:15-08:25

1 stop15h 10m

$570

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Tue 25/11

16:25-19:20

Nonstop1h 55m

Singapore Changi

Sat 29/11

17:20-18:15

Nonstop1h 55m

$580

Flights are sorted by cheapest return flights first.

Deals found on 21/10

Showing 1-10 of 40 results
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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, June is the cheapest month in which you can book a flight from Ko Samui to Southeast Asia (average of $26). Flying from Ko Samui to Southeast Asia 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 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 24 October 2025.

It’s typically best to fly out from Ko Samui to Southeast Asia in the morning. Doing so could potentially save you 65% on the flight price compared to flying in the evening, 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 24 October 2025.

The most flights from USM to zzYJX are scheduled on a Thursday (299 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 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: KLM (96%), Air France (93%), SWISS (90%).

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

    Looking at all options, your cheapest flight can be booked for $117. While the most popular route (Ko Samui - Singapore Changi) can be booked for $432 on average, our data indicates $264 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, June is the cheapest month in which you can book a flight from Ko Samui to Southeast Asia (average of $26). Flying from Ko Samui to Southeast Asia 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.

See more FAQs

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Fly with Cheapflights

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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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