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Cheap flights from Southeast Asia to Ko Samui from $143

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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — USM
3 Jan — 10 Jan1
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 4 December 2025.

Thu 4/1206:10BKK - USM
Nonstop1h 35mBangkok Airways
Sun 7/1207:00USM - BKK
Nonstop1h 15mBangkok Airways
Deal found 2/12$302
Thu 4/1206:10BKK - USM
Nonstop1h 35mBangkok Airways
Thu 11/1207:00USM - BKK
Nonstop1h 15mBangkok Airways
Deal found 2/12$304
Tue 9/1206:00BKK - USM
Nonstop1h 10mBangkok Airways
Thu 18/1207:15USM - BKK
Nonstop1h 35mBangkok Airways
Deal found 3/12$319
Wed 3/1206:00BKK - USM
Nonstop1h 10mBangkok Airways
Fri 5/1207:15USM - BKK
Nonstop1h 35mBangkok Airways
Deal found 2/12$334
Sun 7/1206:00BKK - USM
Nonstop1h 10mBangkok Airways
Mon 15/1220:30USM - BKK
Nonstop1h 15mBangkok Airways
Deal found 3/12$335
Thu 4/1217:30HKT - USM
Nonstop0h 55mBangkok Airways
Fri 12/1218:15USM - HKT
Nonstop1h 00mBangkok Airways
Deal found 2/12$345
Fri 12/1207:30HKT - USM
Nonstop0h 55mBangkok Airways
Tue 16/1208:15USM - HKT
Nonstop1h 00mBangkok Airways
Deal found 2/12$346
Mon 15/1216:15BKK - USM
Nonstop1h 35mBangkok Airways
Fri 19/1207:00USM - BKK
Nonstop1h 15mBangkok Airways
Deal found 2/12$373
Sun 21/1206:10BKK - USM
Nonstop1h 35mBangkok Airways
Mon 29/1207:00USM - BKK
Nonstop1h 15mBangkok Airways
Deal found 2/12$375
Thu 4/1206:10BKK - USM
Nonstop1h 35mBangkok Airways
Tue 9/1219:35USM - BKK
Nonstop1h 35mBangkok Airways
Deal found 2/12$376
Tue 9/1206:30BKK - USM
Nonstop1h 35mBangkok Airways
Sun 21/1207:45USM - BKK
Nonstop1h 35mBangkok Airways
Deal found 2/12$386
Thu 11/1206:10BKK - USM
Nonstop1h 35mBangkok Airways
Wed 31/1207:15USM - BKK
Nonstop1h 35mBangkok Airways
Deal found 2/12$390

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 4 December 2025.

Round-trip from

$287

One-way from

$143
Bangkok Airways
  • Bangkok Airways
  • 8/3-20/3
  • Nonstop
  • 2h 45m total
  • Southeast Asia to Ko Samui
Search Deals
Bangkok Airways
  • Bangkok Airways
  • 8/3
  • Nonstop
  • 1h 10m total
  • Southeast Asia to Ko Samui
Search Deals

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 4 December 2025.
Use the filters below to find and compare flights from Southeast Asia to Ko Samui that are best for you.

Fly from

Southeast Asia

Fly to

Ko Samui

Route

Depart

Return

Price

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Mon 16/3

06:00-07:10

Nonstop1h 10m

Ko Samui

Sun 22/3

07:55-09:10

Nonstop1h 15m

$287

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Mon 6/4

06:05-07:10

Nonstop1h 05m

Ko Samui

Sat 11/4

07:50-09:05

Nonstop1h 15m

$298

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Tue 7/4

06:05-07:10

Nonstop1h 05m

Ko Samui

Fri 10/4

07:50-09:05

Nonstop1h 15m

$298

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Wed 8/4

20:05-21:35

Nonstop1h 30m

Ko Samui

Fri 10/4

07:50-09:05

Nonstop1h 15m

$298

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Thu 9/4

06:05-07:10

Nonstop1h 05m

Ko Samui

Fri 10/4

07:50-09:05

Nonstop1h 15m

$298

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Sat 14/3

06:00-07:10

Nonstop1h 10m

Ko Samui

Sat 21/3

07:55-09:10

Nonstop1h 15m

$304

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Mon 9/2

19:45-21:20

Nonstop1h 35m

Ko Samui

Wed 18/3

07:00-08:15

Nonstop1h 15m

$305

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Sun 15/3

06:00-07:10

Nonstop1h 10m

Ko Samui

Sun 29/3

08:45-10:00

Nonstop1h 15m

$316

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Wed 18/3

06:00-07:10

Nonstop1h 10m

Ko Samui

Sun 29/3

08:45-10:00

Nonstop1h 15m

$316

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Tue 6/1

06:10-07:45

Nonstop1h 35m

Ko Samui

Wed 1/4

07:00-08:15

Nonstop1h 15m

$316

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 60 results
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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 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 Southeast Asia to Ko Samui

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

Currently, June is the cheapest month in which you can book a flight from Southeast Asia to Ko Samui (average of $32). Flying from Southeast Asia to Ko Samui in December is currently the most expensive (average of $79). 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 4 December 2025.

It’s optimal to fly from Southeast Asia to Ko Samui at midday. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the evening.

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

Use this chart to determine the cheapest time to fly return from Southeast Asia to Ko Samui. Price data was last updated on 29 November 2025.

Travellers seeking maximum savings on their Southeast Asia to Ko Samui flight should consider departing on Monday evenings when fares are most often at their lowest. Wednesday 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 4 December 2025.

The most flights from zzYJX to USM are scheduled on a Thursday (360 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (339 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 4 December 2025.
Get a feel of what it's like to fly with Bangkok Airways and Scoot from Southeast Asia to Ko Samui by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Bangkok Airways
8.0
Very Good
118 reviews
Check prices

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

6.3

Comfort

7.9

Boarding

8.0

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.
Bangkok Airways
8.0
Very Good
118 reviews
Bangkok Airways
8.0
Very Good
118 reviews
Check prices

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

6.3

Comfort

7.9

Boarding

8.0

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.
Scoot
6.7
Okay
311 reviews
Bangkok Airways
8.0
Very Good
118 reviews
Check prices

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

6.3

Comfort

7.9

Boarding

8.0

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.

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?

    Ko Samui (USM), located 3.3 km from the city centre, is the airport you fly into when you book flights from Southeast Asia to Ko Samui.

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

    A quick flight from Southeast Asia to Ko Samui can take about 1h 10m. Bangkok Airways provides one of the quickest options available for as low as $287. The distance from Southeast Asia to Ko Samui is about 467 km. Generally, flights for this route are direct.

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

    To fly one-way, consider booking your trip with Bangkok Airways, which is currently one of the cheapest options available, starting at $103. Scoot flights start at $179 while deals on Singapore Airlines start at $306 one-way.

  • What are the most popular routes from Southeast Asia to Ko Samui?

    The most popular flight routes from Southeast Asia to Ko Samui are Phuket City - Ko Samui, Singapore Changi - Ko Samui and Kuala Lumpur Intl - Ko Samui.

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

    Before booking your flight to Ko Samui from Southeast Asia, have a look at the most reliable airlines to get you to your destination on time: Air France (86%), Oman Air (83%), Japan Airlines( 82%).

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

    While on average a flight from Southeast Asia to Ko Samui is generally $275, our data shows the cheapest flight currently is $104. When looking at the most popular route, (Phuket City - Ko Samui), you can expect to pay $225 for that flight.

  • 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 holiday 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, June is the cheapest month in which you can book a flight from Southeast Asia to Ko Samui (average of $32). Flying from Southeast Asia to Ko Samui in December is currently the most expensive (average of $79). 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 Tao
Ko Pha Ngan

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Southeast Asia to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Suvarnabhumi flights
Singapore to Phuket City flights
Phuket City to Ko Samui flights
Suvarnabhumi to Chiang Mai flights
New Delhi to Suvarnabhumi flights
Krabi to Chiang Mai flights
Hanoi to Suvarnabhumi flights
Dhaka to Suvarnabhumi flights
Colombo to Suvarnabhumi flights
Soekarno-Hatta Intl to Suvarnabhumi flights
Singapore to Suvarnabhumi flights
Ko Samui to Suvarnabhumi flights
Suvarnabhumi to Phuket City flights
Chiang Mai to Suvarnabhumi flights
Ho Chi Minh City to Suvarnabhumi flights
Yangon to Suvarnabhumi flights
Don Mueang Intl to Phuket City flights
Denpasar to Suvarnabhumi flights
Phuket City to Suvarnabhumi flights
Vientiane to Suvarnabhumi flights
Kuala Lumpur Intl to Suvarnabhumi flights
Singapore to Ko Samui flights
Suvarnabhumi to Krabi flights
Phuket City to Chiang Mai flights
Hong Kong to Phuket City flights
Hanoi to Chiang Mai flights
Chiang Mai to Phuket City flights
Phnom Penh to Suvarnabhumi flights
Suvarnabhumi to Ko Samui flights
Don Mueang Intl to Chiang Mai flights
Denpasar to Phuket City flights
Manila to Suvarnabhumi flights
Kuala Lumpur Intl to Ko Samui flights
Hong Kong to Suvarnabhumi flights
Kuala Lumpur Intl to Phuket City flights
Krabi to Suvarnabhumi flights
Phuket City to Don Mueang Intl flights

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 647,157 searches. Data last updated 4 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest$213Average$425FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights
ScootCheapest$365Average$492FlexibilityNo cancel feeOn-timeN/A
Search Scoot 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 Southeast Asia to Ko Samui?

Deals for Southeast Asia to Ko Samui flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Southeast Asia to Ko Samui.

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

Yes, we can. To see specific flights from Southeast Asia to Ko Samui 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 Southeast Asia to Ko Samui become cheaper?

Yes, Cheapflights offers price alerts on Southeast Asia to Ko Samui flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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