Which airports can I use when flying from Siem Reap to Ko Samui?

Flights from Siem Reap to Ko Samui usually depart from Siem Reap–Angkor Intl (SAI) and arrive at Ko Samui (USM).

Which airports do connecting flights from Siem Reap to Ko Samui pass through?

Connecting flights from Siem Reap to Ko Samui most commonly pass through: • Bangkok Suvarnabhumi (BKK) – 62% of one-stop connections • Phuket City (HKT) – 38% of one-stop connections

Can I save money by using flexible dates for flights from Siem Reap to Ko Samui?

Yes. Flexible dates can save you up to 37% on flights from Siem Reap to Ko Samui. Saturday is the cheapest departure day at ฿14,439 return on average, while Monday is the most expensive at ฿22,617, a difference of ฿8,179. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

What popular places can I visit in Ko Samui?

Some of the most popular sights in Ko Samui are Chaweng Beach, Lamai Beach, and Maenam Beach. These are among the most viewed places in Ko Samui on KAYAK.

How long is a flight from Siem Reap to Ko Samui?

A direct flight from Siem Reap to Ko Samui takes 00m, covering 999 km.

Do I need a passport to fly from Siem Reap to Ko Samui?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from Siem Reap to Ko Samui changed much recently?

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about ฿13,126 to ฿35,306. That means the highest observed fare was about 3x higher than the lowest one.

How are flight prices from Siem Reap to Ko Samui looking right now?

One-way fares from Siem Reap to Ko Samui are currently lower than usual. Average one-way flight prices are about ฿7,367, which is 35% below the typical average for this route.

How much time can I save by choosing a different stopover airport from Siem Reap to Ko Samui?

Flying via Bangkok Suvarnabhumi (BKK) gives the shortest average 1-stop total travel time of 4h 36m, compared to 5h 10m via Phuket City (HKT).

Which car hire options are available at Ko Samui Airport (USM)?

Ko Samui Airport (USM) hosts 5 major car rental companies, with daily rates starting from around ฿457 for economy cars. Top options include: • Drive Car Rental • Alamo • Sixt • Enterprise Rent-A-Car • Hertz

How much should I expect to pay for a Siem Reap to Ko Samui flight?

Return flights from Siem Reap to Ko Samui range from ฿14,452 to ฿24,852, with an average of ฿20,631 over the past 12 months. Anything below ฿14,452 counts as a good deal.

Which airline is the cheapest to fly from Siem Reap to Ko Samui?

Bangkok Airways (฿14,203) offered the cheapest return ticket from Siem Reap to Ko Samui in the last 5 days.

What is the most popular stopover airport when flying from Siem Reap to Ko Samui?

Bangkok Suvarnabhumi (BKK) is the most popular stopover for the Siem Reap to Ko Samui route. 62% of KAYAK users who booked 1-stop return journeys over the past 3 months connected via BKK.

What is the cheapest stopover airport when flying from Siem Reap to Ko Samui?

Flights via Phuket City (HKT) offer the most affordable fares, with an average return price of ฿14,390. Based on KAYAK data over the past 3 months.

When flying from Siem Reap to Ko Samui, which airport offers the shortest stopover?

Bangkok Suvarnabhumi (BKK) had the shortest average connection time for Siem Reap to Ko Samui stopovers at 3h 09m over the past 3 months.

฿6,765 CHEAP FLIGHTS from Siem Reap to Ko Samui (SAI - USM)

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Cheapest return flight

฿13,126

Typical prices: ฿14,452-฿24,852

Multiple Airlines

Fri 26/10Fri 2/11

SAI - USM • 1 stop

Cheapest one-way flight

฿6,765

Typical prices: ฿9,000-฿13,793

Bangkok Airways

Wed 28/2

SAI - USM • 1 stop

Direct flights

Not available

There are currently no direct flights between Siem Reap and Ko Samui. You'll need to take a connecting flight to reach the destination.

Insights

Top stopover airports

Phuket City (HKT)

Cheapest • Avg ฿14,390 (return)

Bangkok Suvarnabhumi (BKK)

Shortest trip • 4h 36m (one-way)

Insights

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Flight Deals

Cheap Flights from Siem Reap to Ko Samui (SAI-USM)

Discover the best prices for you by selecting your travel dates on KAYAK.

Return

One-way

Last minute

Recent return flight deals from Siem Reap to Ko Samui

Mon 26 Oct - Mon 2 Nov

16:50 - 07:10SAI Siem Reap–Angkor Intl-USM Ko Samui

14h 20m1 stop Bangkok Don Mueang Intl

08:15 - 16:05USM Ko Samui-SAI Siem Reap–Angkor Intl

7h 50m1 stop Phuket City

฿13,126Multiple Airlines

Mon 26 Oct - Mon 2 Nov

16:50 - 07:10SAI Siem Reap–Angkor Intl-USM Ko Samui

14h 20m1 stop Bangkok Don Mueang Intl

08:15 - 16:05USM Ko Samui-SAI Siem Reap–Angkor Intl

7h 50m1 stop Phuket City

฿13,463Multiple Airlines

Mon 26 Oct - Mon 2 Nov

16:50 - 07:10SAI Siem Reap–Angkor Intl-USM Ko Samui

14h 20m1 stop Bangkok Don Mueang Intl

08:15 - 16:05USM Ko Samui-SAI Siem Reap–Angkor Intl

7h 50m1 stop Phuket City

฿13,597Multiple Airlines

Sat 7 Nov - Fri 13 Nov

09:55 - 20:25SAI Siem Reap–Angkor Intl-USM Ko Samui

10h 30m1 stop Bangkok Suvarnabhumi

20:30 - 09:15USM Ko Samui-SAI Siem Reap–Angkor Intl

12h 45m1 stop Bangkok Suvarnabhumi

฿14,203Bangkok Airways

Sun 1 Nov - Sun 8 Nov

16:50 - 07:10SAI Siem Reap–Angkor Intl-USM Ko Samui

14h 20m1 stop Bangkok Don Mueang Intl

15:50 - 16:05USM Ko Samui-SAI Siem Reap–Angkor Intl

24h 15m1 stop Phuket City

฿14,304Multiple Airlines

Sun 1 Nov - Sun 8 Nov

11:45 - 18:25SAI Siem Reap–Angkor Intl-USM Ko Samui

6h 40m2 stops Bangkok Don Mueang Intl Phuket City

08:15 - 16:05USM Ko Samui-SAI Siem Reap–Angkor Intl

7h 50m1 stop Phuket City

฿15,549Multiple Airlines

Mon 26 Oct - Mon 2 Nov

11:45 - 18:25SAI Siem Reap–Angkor Intl-USM Ko Samui

6h 40m2 stops Bangkok Don Mueang Intl Phuket City

08:15 - 16:05USM Ko Samui-SAI Siem Reap–Angkor Intl

7h 50m1 stop Phuket City

฿15,751Multiple Airlines

Mon 26 Oct - Mon 2 Nov

16:50 - 07:10SAI Siem Reap–Angkor Intl-USM Ko Samui

14h 20m2 stops Phuket City Bangkok Suvarnabhumi

11:10 - 16:05USM Ko Samui-SAI Siem Reap–Angkor Intl

4h 55m1 stop Phuket City

฿15,920Multiple Airlines

Mon 26 Oct - Mon 2 Nov

16:50 - 07:10SAI Siem Reap–Angkor Intl-USM Ko Samui

14h 20m2 stops Phuket City Bangkok Suvarnabhumi

12:30 - 16:05USM Ko Samui-SAI Siem Reap–Angkor Intl

3h 35m1 stop Phuket City

฿16,021Multiple Airlines

Mon 18 Jan - Tue 2 Mar

19:25 - 07:10SAI Siem Reap–Angkor Intl-USM Ko Samui

11h 45m1 stop Bangkok Suvarnabhumi

07:00 - 21:10USM Ko Samui-SAI Siem Reap–Angkor Intl

14h 10m1 stop Bangkok Suvarnabhumi

฿16,357Multiple Airlines

Booking Insights

Price, demand, and travel trends for Siem Reap to Ko Samui flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

Airlines

Stopovers

Which airline is the cheapest to fly from Siem Reap to Ko Samui?: Bangkok Airways (฿14,203) offered the cheapest return ticket from Siem Reap to Ko Samui in the last 5 days.

Find deals

Cheapest flight	฿6,765

One-way flight from Siem Reap to Ko Samui

When to book flights from Siem Reap to Ko Samui

Are your dates flexible? Find out the best times to travel from Siem Reap to Ko Samui based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

How long is a flight from Siem Reap to Ko Samui?
A direct flight from Siem Reap to Ko Samui takes 00m, covering 999 km.
Do I need a passport to fly from Siem Reap to Ko Samui?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How much should I expect to pay for a Siem Reap to Ko Samui flight?
Return flights from Siem Reap to Ko Samui range from ฿14,452 to ฿24,852, with an average of ฿20,631 over the past 12 months. Anything below ฿14,452 counts as a good deal.
Have flight prices from Siem Reap to Ko Samui changed much recently?
Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about ฿13,126 to ฿35,306. That means the highest observed fare was about 3x higher than the lowest one.
How are flight prices from Siem Reap to Ko Samui looking right now?
One-way fares from Siem Reap to Ko Samui are currently lower than usual. Average one-way flight prices are about ฿7,367, which is 35% below the typical average for this route.
Which car hire options are available at Ko Samui Airport (USM)?
Ko Samui Airport (USM) hosts 5 major car rental companies, with daily rates starting from around ฿457 for economy cars. Top options include:

• Drive Car Rental
• Alamo
• Sixt
• Enterprise Rent-A-Car
• Hertz
Which airports can I use when flying from Siem Reap to Ko Samui?
Flights from Siem Reap to Ko Samui usually depart from Siem Reap–Angkor Intl (SAI) and arrive at Ko Samui (USM).
Which airports do connecting flights from Siem Reap to Ko Samui pass through?
Connecting flights from Siem Reap to Ko Samui most commonly pass through:

• Bangkok Suvarnabhumi (BKK) – 62% of one-stop connections
• Phuket City (HKT) – 38% of one-stop connections
Can I save money by using flexible dates for flights from Siem Reap to Ko Samui?
Yes. Flexible dates can save you up to 37% on flights from Siem Reap to Ko Samui. Saturday is the cheapest departure day at ฿14,439 return on average, while Monday is the most expensive at ฿22,617, a difference of ฿8,179.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
How much time can I save by choosing a different stopover airport from Siem Reap to Ko Samui?
Flying via Bangkok Suvarnabhumi (BKK) gives the shortest average 1-stop total travel time of 4h 36m, compared to 5h 10m via Phuket City (HKT).
What popular places can I visit in Ko Samui?
Some of the most popular sights in Ko Samui are Chaweng Beach, Lamai Beach, and Maenam Beach. These are among the most viewed places in Ko Samui on KAYAK.

If your dates are flexible, aim for a Saturday departure and avoid flying on Monday. On this route, Saturday flights average ฿14,439, about ฿8,179 less than Monday fares (36% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Ko Samui Airport.

• Ozo Chaweng Samui - Sha Extra Plus
• Melia Koh Samui
• Cosi Samui Chaweng Beach

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SAI - USM

฿6,765 Find Cheap Flights from Siem Reap to Ko Samui – Compare and Save

Everything you should know

Cheap Flights from Siem Reap to Ko Samui (SAI-USM)

Recent return flight deals from Siem Reap to Ko Samui

Recent one-way flight deals from Siem Reap to Ko Samui

Recent last minute flight deals from Siem Reap to Ko Samui

Price, demand, and travel trends for Siem Reap to Ko Samui flights

Which airline is the cheapest to fly from Siem Reap to Ko Samui?

What is the most popular stopover airport when flying from Siem Reap to Ko Samui?

What is the cheapest stopover airport when flying from Siem Reap to Ko Samui?

When flying from Siem Reap to Ko Samui, which airport offers the shortest stopover?

Key details for Siem Reap to Ko Samui flights

Cheapest flight

When to book flights from Siem Reap to Ko Samui

Your Siem Reap to Ko Samui flight questions, answered

Your guide to booking Siem Reap to Ko Samui flights

More options for your flight from Siem Reap to Ko Samui

Complete your trip to Ko Samui with a hotel stay or car hire

Information on your arrival and departure airports

Cabin class types available on flights from Siem Reap to Ko Samui

Flights from domestic origins to Ko Samui

Flights to other popular destinations

Find deals for your return flight