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

To fly one-way, consider booking your trip with Thai Lion Air, which is currently one of the cheapest options available, starting at £24. Bangkok Airways flights start at £62 while deals on Scoot start at £89 one-way.

In terms of precipitation, rainfall in Southeast Asia ranges from 10.0 - 320.0 inches per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Southeast Asia when rainfall is around 10.0 mm.

If weather is an important factor for your trip to Southeast Asia, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

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

Looking for the cheapest flight from Ko Samui to Southeast Asia? While on average our users pay £138, our data indicates the cheapest price to be £75. The most popular route (Ko Samui - Bangkok Suvarnabhumi), is priced around £89.

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

Before booking your flight to Southeast Asia from Ko Samui, check out the most reliable airlines to get you to your destination on time: Air Astana (95%), SWISS (91%), Garuda Indonesia( 90%).

What airport do you fly from for flights from Ko Samui to Southeast Asia?

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

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.

£92+ Cheap Flights from Ko Samui to Southeast Asia

Cheap flight deals from Ko Samui to Southeast Asia

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 11 September 2026.

Wed 21/1015:50 -

Nonstop1h 15m

Wed 28/1018:40 -

Nonstop1h 10m

Deal found 9/9£106

Sat 17/1014:00 -

Nonstop1h 15m

Sun 18/1009:15 -

Nonstop1h 30m

Deal found 10/9£111

Tue 3/1107:55 -

Nonstop1h 15m

Fri 27/1119:15 -

Nonstop1h 10m

Deal found 10/9£112

Wed 21/1019:15 -

Nonstop1h 15m

Sat 24/1006:05 -

Nonstop1h 05m

Deal found 11/9£112

Sat 5/1207:00 -

Nonstop1h 15m

Sat 12/1206:00 -

Nonstop1h 10m

Deal found 7/9£120

Fri 16/1019:00 -

1 stop4h 30m

Sun 18/1016:40 -

Nonstop1h 05m

Deal found 9/9£124

Sun 18/1007:50 -

Nonstop1h 15m

Mon 19/1010:10 -

Nonstop1h 30m

Deal found 7/9£146

Wed 21/1011:25 -

1 stop3h 45m

Sat 24/1006:05 -

Nonstop1h 05m

Deal found 11/9£149

Sat 17/1006:00 -

Nonstop1h 15m

Sat 17/1020:05 -

Nonstop1h 30m

Deal found 7/9£156

Sat 17/1017:00 -

1 stop5h 05m

Mon 19/1006:50 -

1 stop3h 40m

Deal found 9/9£159

Find flight deals from Ko Samui to Southeast Asia

Round-trip from	£106
One-way from	£92
Popular in	July
Cheapest in	May
Average price	£198

Bangkok Airways
21/10-28/10
Nonstop
2h 25m total
Ko Samui to Southeast Asia

Search Deals

19/9-31/12
1 total stop
5h 05m total
Ko Samui to Southeast Asia

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£22 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ko Samui to Southeast Asia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Ko SamuiBangkok

USM Ko Samui - BKK Bangkok Suvarnabhumi

USMBKK

Ko Samui

Sat 19/9

17:00-22:05

1 stop5h 05m

Bangkok Suvarnabhumi

Wed 31/12

00:00-00:00

Nonstop0h 00m

£92

Ko SamuiBangkok

USM Ko Samui - BKK Bangkok Suvarnabhumi

USMBKK

Ko Samui

Fri 25/9

17:00-22:05

1 stop5h 05m

Bangkok Suvarnabhumi

Wed 31/12

00:00-00:00

Nonstop0h 00m

£96

Ko SamuiBangkok

USM Ko Samui - BKK Bangkok Suvarnabhumi

USMBKK

Ko Samui

Thu 12/11

15:50-22:55

1 stop7h 05m

Bangkok Suvarnabhumi

Wed 31/12

00:00-00:00

Nonstop0h 00m

£100

Ko SamuiBangkok

USM Ko Samui - BKK Bangkok Suvarnabhumi

USMBKK

Ko Samui

Fri 30/10

15:50-21:00

1 stop5h 10m

Bangkok Suvarnabhumi

Wed 31/12

00:00-00:00

Nonstop0h 00m

£103

Fastest return journey

Ko SamuiBangkok

USM Ko Samui - BKK Bangkok Suvarnabhumi

USMBKK

Ko Samui

Sat 10/10

18:55-20:25

Nonstop1h 30m

Bangkok Suvarnabhumi

Wed 31/12

00:00-00:00

Nonstop0h 00m

£106

Ko SamuiBangkok

USM Ko Samui - BKK Bangkok Suvarnabhumi

USMBKK

Ko Samui

Sun 27/9

17:00-22:05

1 stop5h 05m

Bangkok Suvarnabhumi

Wed 31/12

00:00-00:00

Nonstop0h 00m

£109

Ko SamuiBangkok

USM Ko Samui - BKK Bangkok Suvarnabhumi

USMBKK

Ko Samui

Wed 27/1

07:15-08:50

Nonstop1h 35m

Bangkok Suvarnabhumi

Wed 31/12

00:00-00:00

Nonstop0h 00m

£113

Ko SamuiBangkok

USM Ko Samui - BKK Bangkok Suvarnabhumi

USMBKK

Ko Samui

Sat 10/10

12:30-17:55

1 stop5h 25m

Bangkok Suvarnabhumi

Wed 31/12

00:00-00:00

Nonstop0h 00m

£117

Ko SamuiBangkok

USM Ko Samui - BKK Bangkok Suvarnabhumi

USMBKK

Ko Samui

Thu 1/10

08:00-14:05

1 stop6h 05m

Bangkok Suvarnabhumi

Wed 31/12

00:00-00:00

Nonstop0h 00m

£121

Ko SamuiBangkok

USM Ko Samui - BKK Bangkok Suvarnabhumi

USMBKK

Ko Samui

Sun 20/12

19:00-22:55

1 stop3h 55m

Bangkok Suvarnabhumi

Wed 31/12

00:00-00:00

Nonstop0h 00m

£123

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 21 resultsSorted by cheapest first

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.

USM-BKK

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

USM-zzYJX

USM-BKK

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

Currently, March is the cheapest month in which you can book a flight from Ko Samui to Southeast Asia (average of £200). Flying from Ko Samui to Southeast Asia in April is currently the most expensive (average of £282). 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?

It’s typically best to fly out from Ko Samui to Southeast Asia at midday. Doing so could potentially save you 35% on the flight price compared to flying in the afternoon, which is usually more expensive.

Weekly flight availability from Ko Samui to Southeast Asia

The most flights from USM to zzYJX are scheduled on a Saturday (305 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (282 on average).

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

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

Reviews of airlines servicing Southeast Asia

Read through reviews of airlines operating flights from Ko Samui to Southeast Asia, 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

133 reviews

Check prices

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

133 reviews

Bangkok Airways

8.1

Very Good

133 reviews

Check prices

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

334 reviews

Bangkok Airways

8.1

Very Good

133 reviews

Check prices

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

What airport do you fly from for flights from Ko Samui to Southeast Asia?
Most people fly from Ko Samui (USM) if they book a flight from Ko Samui to Southeast Asia. Ko Samui is conveniently located just 2.1 mi from Ko Samui’s city center.
What are the cheapest airlines to fly from Ko Samui to Southeast Asia one-way?
To fly one-way, consider booking your trip with Thai Lion Air, which is currently one of the cheapest options available, starting at £24. Bangkok Airways flights start at £62 while deals on Scoot start at £89 one-way.
What are the most reliable airlines from Ko Samui to Southeast Asia?
Before booking your flight to Southeast Asia from Ko Samui, check out the most reliable airlines to get you to your destination on time: Air Astana (95%), SWISS (91%), Garuda Indonesia( 90%).
What are the cheapest flights from Ko Samui to Southeast Asia?
Looking for the cheapest flight from Ko Samui to Southeast Asia? While on average our users pay £138, our data indicates the cheapest price to be £75. The most popular route (Ko Samui - Bangkok Suvarnabhumi), is priced around £89.
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, March is the cheapest month in which you can book a flight from Ko Samui to Southeast Asia (average of £200). Flying from Ko Samui to Southeast Asia in April is currently the most expensive (average of £282). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Ko Samui to Southeast Asia

Airline	Cheapest	Average	Flexibility	On-time
Bangkok Airways	Cheapest£61	Average£193	FlexibilityNo cancel fee	On-time74%	Search Bangkok Airways flights
Scoot	Cheapest£115	Average£208	FlexibilityNo cancel fee	On-timeN/A	Search Scoot flights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ko Samui to Southeast Asia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Southeast Asia from Ko Samui.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ko Samui to Southeast Asia flexibly with Cheapflights today.

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Cheap flights from Ko Samui to Southeast Asia from £92

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ko Samui to Southeast Asia

Cheapest flights from Ko Samui to Southeast AsiaExplore 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 11 September 2026.

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 11 September 2026.

Best flights from Ko Samui to Southeast AsiaDiscover carefully curated flight deals from Ko Samui to Southeast Asia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Discover carefully curated flight deals from Ko Samui to Southeast Asia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Direct flights from Ko Samui to Southeast AsiaExplore direct flight options from Ko Samui to Southeast Asia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 September 2026.

Explore direct flight options from Ko Samui to Southeast Asia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 September 2026.

Last-minute flights from Ko Samui to Southeast AsiaDiscover last-minute flight deals from Ko Samui to Southeast Asia. Data last updated 11 September 2026 and is based on user searches.

Discover last-minute flight deals from Ko Samui to Southeast Asia. Data last updated 11 September 2026 and is based on user searches.

One-way flights from Ko Samui to Southeast AsiaSearch for one-way flight options from Ko Samui to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.

Search for one-way flight options from Ko Samui to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.

Find flight deals from Ko Samui to Southeast Asia

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ko Samui to Southeast Asia that are best for you.

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.

Cheapflights Insights

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

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 11 September 2026.

It’s typically best to fly out from Ko Samui to Southeast Asia at midday. Doing so could potentially save you 35% on the flight price compared to flying in the afternoon, which is usually more expensive.

Weekly flight availability from Ko Samui to Southeast Asia

The most flights from USM to zzYJX are scheduled on a Saturday (305 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (282 on average).

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

Use this chart to determine the cheapest time to fly return from Ko Samui to Southeast Asia. Price data was last updated on 5 September 2026.

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

Reviews of airlines servicing Southeast Asia

Read through reviews of airlines operating flights from Ko Samui to Southeast Asia, 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.

Related info for your journey

What airport do you fly from for flights from Ko Samui to Southeast Asia?

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

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

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ko Samui to Southeast Asia

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Complete your trip

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Ko Samui and Southeast Asia flights

Browse other Ko Samui and Southeast Asia flight options. Last updated on 11 September 2026.

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Top 2 airlines flying from Ko Samui to Southeast Asia

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Can Cheapflights notify me if prices for flights from Ko Samui to Southeast Asia become cheaper?

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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 11 September 2026.

Best flights from Ko Samui to Southeast Asia
Discover carefully curated flight deals from Ko Samui to Southeast Asia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Direct flights from Ko Samui to Southeast Asia
Explore direct flight options from Ko Samui to Southeast Asia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 September 2026.

Last-minute flights from Ko Samui to Southeast Asia
Discover last-minute flight deals from Ko Samui to Southeast Asia. Data last updated 11 September 2026 and is based on user searches.

One-way flights from Ko Samui to Southeast Asia
Search for one-way flight options from Ko Samui to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.