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Cheap flights from Southeast Asia to Ko Samui from C$ 109

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 16/6. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — USM
29 May — 5 Jun1
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 29 April 2026.

Thu 8/107:20 p.m.
BKK
-
USM
Nonstop1h 30m
Bangkok Airways
Sun 11/107:50 a.m.
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 24/4C$ 236
Mon 9/116:00 a.m.
BKK
-
USM
Nonstop1h 10m
Bangkok Airways
Thu 19/112:05 p.m.
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 28/4C$ 238
Mon 9/116:00 a.m.
BKK
-
USM
Nonstop1h 10m
Bangkok Airways
Fri 20/111:45 p.m.
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 28/4C$ 244
Tue 10/118:05 a.m.
BKK
-
USM
Nonstop1h 15m
Bangkok Airways
Sat 21/119:20 a.m.
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 28/4C$ 246
Wed 7/1010:10 a.m.
BKK
-
USM
Nonstop1h 30m
Bangkok Airways
Mon 12/106:00 a.m.
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 24/4C$ 247
Thu 14/56:05 a.m.
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Fri 29/56:00 a.m.
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 25/4C$ 249
Tue 10/113:15 p.m.
BKK
-
USM
Nonstop1h 10m
Bangkok Airways
Sun 22/119:20 a.m.
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 28/4C$ 250
Sat 14/113:50 p.m.
BKK
-
USM
Nonstop1h 10m
Bangkok Airways
Mon 16/118:30 a.m.
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 28/4C$ 253
Thu 12/113:15 p.m.
BKK
-
USM
Nonstop1h 10m
Bangkok Airways
Thu 19/115:05 p.m.
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 28/4C$ 258
Mon 18/56:05 a.m.
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Fri 29/56:00 a.m.
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 28/4C$ 268
Mon 12/106:05 a.m.
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Thu 29/107:00 a.m.
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 29/4C$ 272
Fri 4/126:00 a.m.
BKK
-
USM
Nonstop1h 10m
Bangkok Airways
Fri 25/127:00 a.m.
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 27/4C$ 273

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 29 April 2026.

Round-trip from

C$ 236

One-way from

C$ 109
Bangkok Airways
  • Bangkok Airways
  • 8/10-11/10
  • Nonstop
  • 2h 45m total
  • Southeast Asia to Ko Samui
Search Deals
Bangkok Airways
  • Bangkok Airways
  • 16/6
  • 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 29 April 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

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Mon 11/5

7:20 p.m.-8:50 p.m.

Nonstop1h 30m

Ko Samui

Mon 18/5

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

Nonstop1h 15m

C$ 310
Quickest round-trip

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Wed 20/5

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

Nonstop1h 05m

Ko Samui

Tue 2/6

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

Nonstop1h 15m

C$ 335

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Sat 16/5

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

Nonstop1h 05m

Ko Samui

Fri 5/6

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

Nonstop1h 15m

C$ 344

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Wed 20/5

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

Nonstop1h 05m

Ko Samui

Sun 31/5

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

Nonstop1h 15m

C$ 347

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Wed 20/5

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

Nonstop1h 05m

Ko Samui

Mon 1/6

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

Nonstop1h 15m

C$ 359

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Mon 18/5

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

Nonstop1h 05m

Ko Samui

Sun 31/5

12:30 p.m.-11:00 a.m.

1 stop22h 30m

C$ 369

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Thu 25/6

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

Nonstop1h 05m

Ko Samui

Sun 28/6

12:10 p.m.-4:20 p.m.

1 stop4h 10m

C$ 380

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Tue 23/6

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

Nonstop1h 05m

Ko Samui

Tue 30/6

10:05 a.m.-11:20 a.m.

Nonstop1h 15m

C$ 384

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Tue 11/8

2:05 p.m.-3:10 p.m.

Nonstop1h 05m

Ko Samui

Mon 7/9

7:50 a.m.-9:05 a.m.

Nonstop1h 15m

C$ 385

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Fri 22/5

3:45 p.m.-9:35 p.m.

1 stop5h 50m

Ko Samui

Fri 29/5

6:00 a.m.-10:10 a.m.

1 stop4h 10m

C$ 419

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/4

Showing 1-10 of 33 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

How far ahead should I book a flight from Southeast Asia to Ko Samui?

Booking 81 days in advance of your planned departure date is, on average, the best time to get cheap flights from Southeast Asia to Ko Samui. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, May is the cheapest month in which you can book a flight from Southeast Asia to Ko Samui (average of C$ 119). Flying from Southeast Asia to Ko Samui in December is currently the most expensive (average of C$ 802). 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 29 April 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 17% on your trip compared to booking a flight in the morning.

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 25 April 2026.

Travelers seeking maximum savings on their Southeast Asia to Ko Samui flight should consider departing on Thursday mornings when fares are most often at their lowest. Saturday at noon 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 29 April 2026.

The most flights from zzYJX to USM are scheduled on a Tuesday (338 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (296 on average).

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$ 273, 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$ 187, 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: Cathay Pacific (82%), Air France (81%), Japan Airlines (80%).

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

    On average you can expect to pay C$ 258 for a flight from Southeast Asia to Ko Samui. The cheapest flight overall is C$ 108 while the most popular route, (Bangkok Suvarnabhumi - Ko Samui) is currently priced at C$ 372.

  • 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, May is the cheapest month in which you can book a flight from Southeast Asia to Ko Samui (average of C$ 119). Flying from Southeast Asia to Ko Samui in December is currently the most expensive (average of C$ 802). 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 airline flying from Southeast Asia to Ko Samui

Discover the top airline 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 29 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapestC$ 190AverageC$ 356FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways 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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