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Cheap flights from Southeast Asia to Ko Samui from C$ 128

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 16/4. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — USM
19 Apr — 26 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southeast Asia to Ko Samui

Enter your travel dates to find the best prices.

Cheapest flights from Southeast Asia to Ko Samui
Explore the most affordable flight options available from Southeast Asia to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 March 2026.

Tue 21/46:05 a.m.
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Tue 28/46:00 a.m.
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 20/3C$ 242
Mon 20/46:05 a.m.
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Mon 27/46:00 a.m.
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 20/3C$ 243
Wed 22/46:05 a.m.
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Mon 27/46:00 a.m.
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 17/3C$ 244
Sun 19/46:05 a.m.
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Mon 27/410:05 a.m.
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 17/3C$ 246
Thu 4/67:00 a.m.
BKK
-
USM
1 stop7h 50m
Multiple Airlines
Mon 8/612:30 p.m.
USM
-
BKK
1 stop5h 25m
Multiple Airlines
Deal found 16/3C$ 251
Mon 15/67:00 a.m.
BKK
-
USM
1 stop7h 50m
Multiple Airlines
Tue 23/612:30 p.m.
USM
-
BKK
1 stop5h 25m
Multiple Airlines
Deal found 16/3C$ 253
Sun 7/67:00 a.m.
BKK
-
USM
1 stop7h 50m
Multiple Airlines
Sat 13/65:00 p.m.
USM
-
BKK
1 stop5h 05m
Multiple Airlines
Deal found 17/3C$ 254
Wed 17/67:00 a.m.
BKK
-
USM
1 stop3h 30m
Multiple Airlines
Tue 23/612:30 p.m.
USM
-
BKK
1 stop5h 25m
Multiple Airlines
Deal found 17/3C$ 255
Tue 14/46:05 a.m.
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Sat 25/46:55 p.m.
USM
-
BKK
Nonstop1h 30m
Bangkok Airways
Deal found 17/3C$ 257
Sun 19/46:05 a.m.
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Sun 26/46:00 a.m.
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 20/3C$ 258
Sun 19/46:05 a.m.
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Fri 24/47:10 p.m.
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 17/3C$ 259
Sat 9/53:30 p.m.
CNX
-
USM
1 stop5h 20m
Multiple Airlines
Sat 16/58:55 a.m.
USM
-
CNX
Nonstop1h 45m
Multiple Airlines
Deal found 20/3C$ 321

Find flight deals from Southeast Asia to Ko Samui

Keep the following information in mind while searching for Southeast Asia to Ko Samui flight deals. Data was last updated 20 March 2026.

Round-trip from

C$ 243

One-way from

C$ 128
Bangkok Airways
  • Bangkok Airways
  • 20/4-27/4
  • Nonstop
  • 2h 20m total
  • Southeast Asia to Ko Samui
Search Deals
Bangkok Airways
  • Bangkok Airways
  • 16/4
  • Nonstop
  • 1h 05m total
  • Southeast Asia to Ko Samui
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Southeast Asia to Ko Samui 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 629,999 searches. Data last updated 20 March 2026.
Use the filters below to find and compare flights from Southeast Asia to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Sat 23/5

6:05 a.m.-7:10 a.m.

Nonstop1h 05m

Ko Samui

Sat 23/5

9:15 a.m.-10:30 a.m.

Nonstop1h 15m

C$ 244

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Fri 15/5

2:30 p.m.-7:15 p.m.

1 stop4h 45m

Ko Samui

Tue 19/5

5:00 p.m.-10:05 p.m.

1 stop5h 05m

C$ 262

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Fri 11/9

7:10 a.m.-8:15 a.m.

Nonstop1h 05m

Ko Samui

Sat 19/9

9:15 a.m.-10:30 a.m.

Nonstop1h 15m

C$ 264

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Sat 23/5

7:00 a.m.-2:50 p.m.

1 stop7h 50m

Ko Samui

Sat 23/5

7:00 p.m.-11:15 p.m.

1 stop4h 15m

C$ 265

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Sun 5/4

6:05 a.m.-7:10 a.m.

Nonstop1h 05m

Ko Samui

Fri 8/5

6:00 a.m.-7:15 a.m.

Nonstop1h 15m

C$ 266

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Wed 22/4

6:05 a.m.-7:10 a.m.

Nonstop1h 05m

Ko Samui

Mon 4/5

8:45 a.m.-10:00 a.m.

Nonstop1h 15m

C$ 320

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Sat 9/5

3:30 p.m.-9:35 p.m.

1 stop6h 05m

Ko Samui

Sun 10/5

8:55 a.m.-10:40 a.m.

Nonstop1h 45m

C$ 321

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Tue 7/4

6:25 a.m.-7:30 a.m.

Nonstop1h 05m

Ko Samui

Fri 8/5

6:00 a.m.-7:15 a.m.

Nonstop1h 15m

C$ 325

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Mon 20/4

3:25 p.m.-8:25 p.m.

1 stop5h 00m

Ko Samui

Tue 19/5

5:00 p.m.-10:05 p.m.

1 stop5h 05m

C$ 330

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Sat 9/5

2:25 p.m.-9:35 p.m.

1 stop7h 10m

Ko Samui

Mon 11/5

6:00 a.m.-11:15 a.m.

1 stop5h 15m

C$ 335

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/3

Showing 1-10 of 40 resultsSorted by cheapest first
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Best time to book a flight from Southeast Asia to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Southeast Asia with our price prediction graph.
Estimated round-trip 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 Southeast Asia to Ko Samui

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

Currently, September is the cheapest month in which you can book a flight from Southeast Asia to Ko Samui (average of C$ 47). Flying from Southeast Asia to Ko Samui in April is currently the most expensive (average of C$ 70). 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 YJX to USM?

Find hourly flight availability from Southeast Asia to Ko Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 March 2026.

A simple way to save on the total cost of your ticket is to fly from Southeast Asia to Ko Samui in the evening. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Southeast Asia to Ko Samui?

Use this chart to determine the cheapest time to fly round-trip from Southeast Asia to Ko Samui. Price data was last updated on 14 March 2026.

Travelers seeking maximum savings on their Southeast Asia to Ko Samui flight should consider departing on Saturday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Southeast Asia to Ko Samui

Explore weekly flight availability from Southeast Asia to Ko Samui. 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 20 March 2026.

The most flights from zzYJX to USM are scheduled on a Thursday (367 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (309 on average).

Reviews of airlines servicing Ko Samui

Get insights into the airlines that provide service to Ko Samui. 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 Ko Samui. Reviews last updated 20 March 2026.
Read through reviews of airlines operating flights from Southeast Asia to Ko Samui, such as Bangkok Airways and Scoot. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Bangkok Airways
8.1
Very good
128 reviews
Check prices

Crew

8.6

Overall

8.1

Boarding

8.1

Entertainment

6.3

Comfort

8.0

Food

7.3

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

Crew

8.6

Overall

8.1

Boarding

8.1

Entertainment

6.3

Comfort

8.0

Food

7.3

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
Scoot
6.7
Okay
320 reviews
Bangkok Airways
8.1
Very good
128 reviews
Check prices

Crew

8.6

Overall

8.1

Boarding

8.1

Entertainment

6.3

Comfort

8.0

Food

7.3

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 Southeast Asia to Ko Samui. 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 into for flights to Ko Samui from Southeast Asia?

    Located just 3.3 km from the city centre, Ko Samui (USM) is the airport most travelers will use when flying to Ko Samui from Southeast Asia.

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

    For as low as C$ 244, Bangkok Airways can have you in Ko Samui from Southeast Asia in 1h 05m. Southeast Asia and Ko Samui are separated by a distance of 467 km. All flights are typically direct.

  • What are the cheapest airlines to fly from Southeast Asia to Ko Samui one-way?

    C$ 63 is the cheapest one-way deal found within the past few days, from Thai Lion Air. You may also be able to find cheap deals on Bangkok Airways and Scoot, with prices starting from C$ 94 and C$ 188, respectively.

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

    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 Southeast Asia to Ko Samui on time: Malaysia Airlines (78%), Japan Airlines (78%), Oman Air (78%).

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

    On average you can expect to pay C$ 306 for a flight from Southeast Asia to Ko Samui. The cheapest flight overall is C$ 97 while the most popular route, (Bangkok Suvarnabhumi - Ko Samui) is currently priced at C$ 373.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Southeast Asia to Ko Samui (average of C$ 47). Flying from Southeast Asia to Ko Samui in April is currently the most expensive (average of C$ 70). 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 Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Pha Ngan
Ko Tao

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Southeast Asia to Ko Samui

Discover the top 2 airlines that operate flights from Southeast Asia to Ko Samui. 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 629,999 searches. Data last updated 20 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapestC$ 178AverageC$ 314FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights
ScootCheapestC$ 390AverageC$ 492FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Southeast Asia to Ko Samui?

Cheapflights makes it easy to find Southeast Asia to Ko Samui 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 Southeast Asia to Ko Samui?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Southeast Asia to Ko Samui for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to Ko Samui from Southeast Asia? 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 Southeast Asia to Ko Samui become cheaper?

Not ready to book yet? You can track prices for flights from Southeast Asia to Ko Samui on Cheapflights with our Price Alert feature and get notified when better prices are available.

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