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Ko Samui

$79+ Cheap flights from Southeast Asia to Ko Samui (USM)

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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — USM
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from Southeast Asia to Ko Samui

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 January 21, 2026.

This Booking.com deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/142:00 pm
KBV
-
USM
Nonstop0h 50m
Bangkok Airways
Thu 6/1812:30 pm
USM
-
KBV
Nonstop0h 50m
Bangkok Airways
Deal found 1/19$120
This Booking.com deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/167:30 pm
HKT
-
USM
Nonstop0h 55m
Bangkok Airways
Sun 5/175:55 pm
USM
-
HKT
Nonstop1h 00m
Bangkok Airways
Deal found 1/21$125
This Bangkok Airways deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bangkok Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/127:30 am
HKT
-
USM
Nonstop0h 55m
Bangkok Airways
Mon 6/811:25 am
USM
-
HKT
Nonstop1h 00m
Bangkok Airways
Deal found 1/20$165
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:05 am
BKK
-
USM
Nonstop1h 05m
Bangkok Airways
Sat 4/253:50 pm
USM
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 1/20$183
This Bangkok Airways deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bangkok Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/811:55 am
CNX
-
USM
1 stop4h 40m
Bangkok Airways
Fri 6/128:55 am
USM
-
CNX
Nonstop1h 45m
Bangkok Airways
Deal found 1/20$186
This ThaiVietJet deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ThaiVietJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:00 am
BKK
-
USM
1 stop7h 50m
Multiple Airlines
Fri 5/1512:30 pm
USM
-
BKK
1 stop5h 25m
Multiple Airlines
Deal found 1/20$189
This ThaiVietJet deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ThaiVietJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:00 am
BKK
-
USM
1 stop7h 50m
Multiple Airlines
Sat 5/95:00 pm
USM
-
BKK
1 stop5h 05m
Multiple Airlines
Deal found 1/19$190
This Bangkok Airways deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bangkok Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:05 pm
HKT
-
USM
Nonstop0h 55m
Bangkok Airways
Thu 6/48:00 am
USM
-
HKT
Nonstop1h 00m
Bangkok Airways
Deal found 1/20$191
This ThaiVietJet deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ThaiVietJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:00 am
BKK
-
USM
1 stop7h 50m
Multiple Airlines
Tue 6/165:00 pm
USM
-
BKK
1 stop5h 05m
Multiple Airlines
Deal found 1/19$191
This Bangkok Airways deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bangkok Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:15 pm
HKT
-
USM
Nonstop0h 55m
Bangkok Airways
Fri 9/47:00 pm
USM
-
HKT
Nonstop1h 00m
Bangkok Airways
Deal found 1/21$192
This ThaiVietJet deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ThaiVietJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:00 am
BKK
-
USM
1 stop7h 50m
Multiple Airlines
Wed 5/2012:30 pm
USM
-
BKK
1 stop5h 25m
Multiple Airlines
Deal found 1/21$192
This ThaiVietJet deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ThaiVietJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:00 am
BKK
-
USM
1 stop7h 50m
Multiple Airlines
Fri 6/123:25 pm
USM
-
BKK
1 stop7h 50m
Multiple Airlines
Deal found 1/20$193

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 January 21, 2026.

Round-trip from

$120
(Booking.com)

One-way from

$79
(Bangkok Airways)
From Southeast Asia to Ko Samui
Search Deals
One-way flight from 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 2,558,603 searches. Data last updated January 21, 2026.
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

KrabiKo Samui

KBV - USM

KBVUSM

Krabi

Sun 6/14

2:00 pm-2:50 pm

Nonstop0h 50m

Ko Samui

Thu 6/18

12:30 pm-1:20 pm

Nonstop0h 50m

$120

Phuket CityKo Samui

HKT - USM

HKTUSM

Phuket City

Tue 5/12

7:30 am-8:25 am

Nonstop0h 55m

Ko Samui

Mon 6/8

11:25 am-12:25 pm

Nonstop1h 00m

$165

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Mon 6/8

11:55 am-4:35 pm

1 stop4h 40m

Ko Samui

Fri 6/12

8:55 am-10:40 am

Nonstop1h 45m

$186

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Wed 6/17

7:00 am-2:50 pm

1 stop7h 50m

Ko Samui

Sat 6/20

5:00 pm-10:05 pm

1 stop5h 05m

$191

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Thu 5/14

6:05 am-7:10 am

Nonstop1h 05m

Ko Samui

Thu 5/21

9:15 am-10:30 am

Nonstop1h 15m

$200

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Mon 5/11

7:10 am-8:15 am

Nonstop1h 05m

Ko Samui

Tue 5/19

7:50 am-9:05 am

Nonstop1h 15m

$200

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Thu 5/14

7:10 am-8:15 am

Nonstop1h 05m

Ko Samui

Sat 5/23

8:45 am-10:00 am

Nonstop1h 15m

$200

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Thu 5/14

7:10 am-8:15 am

Nonstop1h 05m

Ko Samui

Tue 5/19

11:45 am-1:00 pm

Nonstop1h 15m

$200

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Fri 5/15

6:05 am-7:10 am

Nonstop1h 05m

Ko Samui

Mon 5/18

10:05 am-11:20 am

Nonstop1h 15m

$200

BangkokKo Samui

BKK - USM

BKKUSM

Bangkok Suvarnabhumi

Wed 5/13

7:10 am-8:15 am

Nonstop1h 05m

Ko Samui

Thu 5/21

8:45 am-10:00 am

Nonstop1h 15m

$200

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

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 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, June is the cheapest month in which you can book a flight from Southeast Asia to Ko Samui (average of $27). Flying from Southeast Asia to Ko Samui in April is currently the most expensive (average of $49). 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 January 21, 2026.

One of the essential ways to save on airfare from Southeast Asia to Ko Samui is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 35% on airfare.

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 January 17, 2026.

Travelers seeking maximum savings on their Southeast Asia to Ko Samui flight should consider departing on Monday at noon when fares are most often at their lowest. Tuesday 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 January 21, 2026.

The most flights from zzYJX to USM are scheduled on a Tuesday (336 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (315 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 January 21, 2026.
Read reviews from past customers who have flown Bangkok Airways and Scoot from Southeast Asia to Ko Samui. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Bangkok Airways
8.1
Very good
120 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Overall

8.1

Entertainment

6.3

Food

7.3

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
8.1
Very good
120 reviews
Bangkok Airways
8.1
Very good
120 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Overall

8.1

Entertainment

6.3

Food

7.3

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
315 reviews
Bangkok Airways
8.1
Very good
120 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Overall

8.1

Entertainment

6.3

Food

7.3

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?

    Most people fly into Ko Samui (USM) if they book a flight to Ko Samui from Southeast Asia. Ko Samui is conveniently located just 2.1 mi from Ko Samui’s city center.

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

    Airlines like Bangkok Airways and Scoot fly from Southeast Asia to Ko Samui in about 50m. The time it takes to get you to your destination can typically vary by up to 21h. Airlines will cover a distance of 124 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with Thai AirAsia, which is currently one of the cheapest options available, starting at $31. Thai Lion Air flights start at $34 while deals on Thai Vietjet Air start at $36 one-way.

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

    While some choose either Singapore Changi - Ko Samui or Kuala Lumpur Intl - Ko Samui, Bangkok Suvarnabhumi - Ko Samui is the most popular route from Southeast Asia to Ko Samui.

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

    The top 3 most reliable airlines when flying from Southeast Asia to Ko Samui are Oman Air (82%), Air France (81%) and Japan Airlines (80%).

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

    Looking at all options, your cheapest flight can be booked for $99. While the most popular route (Bangkok Suvarnabhumi - Ko Samui) can be booked for $144 on average, our data indicates $252 when flying from Southeast Asia to Ko Samui.

  • 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, June is the cheapest month in which you can book a flight from Southeast Asia to Ko Samui (average of $27). Flying from Southeast Asia to Ko Samui in April is currently the most expensive (average of $49). 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

Traveling 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.
Haneda to Suvarnabhumi flights
Dhaka to Suvarnabhumi flights
Narita to Suvarnabhumi flights
Hong Kong to Suvarnabhumi flights
Singapore to Suvarnabhumi flights
Gimpo Intl to Suvarnabhumi flights
Capital to Suvarnabhumi flights
Manila to Suvarnabhumi flights
Okinawa to Suvarnabhumi flights
Kathmandu to Suvarnabhumi flights
Denpasar to Phuket City flights
Hong Kong to Phuket City flights
Colombo to Suvarnabhumi flights
Don Mueang Intl to Krabi flights
Ho Chi Minh City to Suvarnabhumi flights
Taiwan Taoyuan Intl to Suvarnabhumi flights
Don Mueang Intl to Chiang Mai flights
Suvarnabhumi to Krabi flights
Hongqiao Intl to Suvarnabhumi flights
Angeles City to Suvarnabhumi flights
Taiwan Taoyuan Intl to Don Mueang Intl flights
Lahore to Suvarnabhumi flights
Kansai Intl to Suvarnabhumi flights
Suvarnabhumi to Chiang Mai flights
Don Mueang Intl to Phuket City flights
Suvarnabhumi to Ko Samui flights
Pu Dong to Suvarnabhumi flights
Islamabad to Suvarnabhumi flights
Phnom Penh to Suvarnabhumi flights
Shenzhen to Suvarnabhumi flights
Bangalore to Suvarnabhumi flights
Narita to Phuket City flights
New Delhi to Suvarnabhumi flights
Karachi to Suvarnabhumi flights
Haneda to Phuket City flights
Chiang Mai to Suvarnabhumi flights
Singapore to Don Mueang Intl flights
Busan to Suvarnabhumi flights
Suvarnabhumi to Phuket City flights
Guangzhou to Suvarnabhumi flights
Cebu City to Suvarnabhumi flights
Yangon to Suvarnabhumi flights
Hong Kong to Chiang Mai flights
Hongqiao Intl to Phuket City flights
Singapore to Phuket City flights
Ho Chi Minh City to Don Mueang Intl flights
Chennai to Suvarnabhumi flights

Top 4 airlines flying from Southeast Asia to Ko Samui

Discover the top 4 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 2,558,603 searches. Data last updated January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai Vietjet AirCheapest$56Average$143FlexibilityNo cancel feeOn-timeN/A
Thai Lion AirCheapest$96Average$140FlexibilityNo cancel feeOn-timeN/A
Bangkok AirwaysCheapest$134Average$375FlexibilityNo cancel feeOn-time74%
ScootCheapest$255Average$340FlexibilityNo cancel feeOn-timeN/A

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