Which airports can I use when flying from Ko Samui to Phnom Penh?

Flights from Ko Samui to Phnom Penh usually depart from Ko Samui (USM) and arrive at Phnom Penh Techo Intl (KTI).

Which airports do connecting flights from Ko Samui to Phnom Penh pass through?

Most connecting flights from Ko Samui to Phnom Penh pass through Bangkok Suvarnabhumi (BKK), which handles 100% of one-stop traffic on this route.

Can I save money by using flexible dates for flights from Ko Samui to Phnom Penh?

Yes. Flexible dates can save you up to 21% on flights from Ko Samui to Phnom Penh. Thursday is the cheapest departure day at ฿13,969 return on average, while Friday is the most expensive at ฿17,580, a difference of ฿3,610. KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

How long is a flight from Ko Samui to Phnom Penh?

A direct flight from Ko Samui to Phnom Penh takes 00m, covering 915 km.

Do I need a passport to fly from Ko Samui to Phnom Penh?

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 Ko Samui to Phnom Penh 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 ฿11,911 to ฿29,086. That means the highest observed fare was about 2x higher than the lowest one.

How are flight prices from Ko Samui to Phnom Penh looking right now?

One-way fares from Ko Samui to Phnom Penh are currently lower than usual. Average one-way flight prices are about ฿6,398, which is 27% below the typical average for this route.

Which airline is the cheapest to fly from Ko Samui to Phnom Penh?

Bangkok Airways (฿14,880) and Malaysia Airlines (฿22,101) are the cheapest airlines to fly return from Ko Samui to Phnom Penh according to KAYAK data over the last 5 days.

What is the cheapest stopover airport when flying from Ko Samui to Phnom Penh?

Flights via Bangkok Suvarnabhumi (BKK) offer the most affordable fares, with an average return price of ฿15,954. Based on KAYAK data over the past 3 months.

When flying from Ko Samui to Phnom Penh, which airport offers the shortest stopover?

Bangkok Suvarnabhumi (BKK) had the shortest average connection time for Ko Samui to Phnom Penh stopovers at 4h 13m over the past 3 months.

฿5,500 CHEAP FLIGHTS from Ko Samui to Phnom Penh (USM - KTI)

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Cheapest return flight

฿11,911

Typical prices: ฿14,742-฿17,571

Multiple Airlines

Fri 9/11Sun 11/11

USM - KTI • 1 stop

Cheapest one-way flight

฿5,500

Typical prices: ฿8,342-฿9,566

Multiple Airlines

Sun 16/12

USM - KTI • 1 stop

Direct flights

Not available

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

Insights

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Flight Deals

Cheap Flights from Ko Samui to Phnom Penh (USM-KTI)

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

Return

One-way

Recent return flight deals from Ko Samui to Phnom Penh

Mon 9 Nov - Wed 11 Nov

06:45 - 14:20USM Ko Samui-KTI Phnom Penh Techo Intl

7h 35m1 stop Bangkok Don Mueang Intl

19:55 - 07:10KTI Phnom Penh Techo Intl-USM Ko Samui

11h 15m1 stop Bangkok Suvarnabhumi

฿11,911Multiple Airlines

Thu 1 Apr - Sat 3 Apr

10:05 - 18:35USM Ko Samui-KTI Phnom Penh Techo Intl

8h 30m1 stop Bangkok Suvarnabhumi

19:25 - 07:10KTI Phnom Penh Techo Intl-USM Ko Samui

11h 45m1 stop Bangkok Suvarnabhumi

฿14,880Bangkok Airways

Fri 2 Apr - Sat 3 Apr

11:15 - 17:45USM Ko Samui-KTI Phnom Penh Techo Intl

6h 30m1 stop Bangkok Don Mueang Intl

19:25 - 07:10KTI Phnom Penh Techo Intl-USM Ko Samui

11h 45m1 stop Bangkok Suvarnabhumi

฿16,298Multiple Airlines

Fri 2 Apr - Sat 3 Apr

11:25 - 17:45USM Ko Samui-KTI Phnom Penh Techo Intl

6h 20m2 stops Phuket City Bangkok Don Mueang Intl

19:25 - 07:10KTI Phnom Penh Techo Intl-USM Ko Samui

11h 45m1 stop Bangkok Suvarnabhumi

฿16,905Multiple Airlines

Thu 1 Apr - Sat 3 Apr

11:25 - 17:45USM Ko Samui-KTI Phnom Penh Techo Intl

6h 20m2 stops Phuket City Bangkok Don Mueang Intl

19:25 - 07:10KTI Phnom Penh Techo Intl-USM Ko Samui

11h 45m1 stop Bangkok Suvarnabhumi

฿16,939Multiple Airlines

Mon 9 Nov - Wed 11 Nov

06:45 - 14:20USM Ko Samui-KTI Phnom Penh Techo Intl

7h 35m1 stop Bangkok Don Mueang Intl

07:35 - 15:10KTI Phnom Penh Techo Intl-USM Ko Samui

7h 35m2 stops Ho Chi Minh City Phuket City

฿17,546Multiple Airlines

Mon 9 Nov - Wed 11 Nov

15:50 - 10:00USM Ko Samui-KTI Phnom Penh Techo Intl

18h 10m2 stops Phuket City Kuala Lumpur Intl

18:30 - 13:50KTI Phnom Penh Techo Intl-USM Ko Samui

19h 20m2 stops Kuala Lumpur Intl Phuket City

฿22,101Malaysia Airlines

Thu 1 Apr - Sat 3 Apr

15:50 - 10:00USM Ko Samui-KTI Phnom Penh Techo Intl

18h 10m2 stops Bangkok Suvarnabhumi Kuala Lumpur Intl

11:10 - 20:30KTI Phnom Penh Techo Intl-USM Ko Samui

9h 20m2 stops Kuala Lumpur Intl Bangkok Suvarnabhumi

฿22,472Multiple Airlines

Mon 9 Nov - Wed 11 Nov

18:40 - 13:00USM Ko Samui-KTI Phnom Penh Techo Intl

18h 20m3 stops Bangkok Suvarnabhumi Hanoi Noibai Vientiane Wattay

14:30 - 19:50KTI Phnom Penh Techo Intl-USM Ko Samui

29h 20m2 stops Da Nang Bangkok Suvarnabhumi

฿23,923Multiple Airlines

Mon 9 Nov - Wed 11 Nov

15:35 - 13:00USM Ko Samui-KTI Phnom Penh Techo Intl

21h 25m3 stops Bangkok Suvarnabhumi Hanoi Noibai Vientiane Wattay

17:30 - 14:55KTI Phnom Penh Techo Intl-USM Ko Samui

21h 25m3 stops Vientiane Wattay Hanoi Noibai Bangkok Suvarnabhumi

฿29,086Vietnam Airlines

Booking Insights

Price, demand, and travel trends for Ko Samui to Phnom Penh 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 Ko Samui to Phnom Penh?: Bangkok Airways (฿14,880) and Malaysia Airlines (฿22,101) are the cheapest airlines to fly return from Ko Samui to Phnom Penh according to KAYAK data over the last 5 days.

Find deals

Cheapest flight	฿5,500

One-way flight from Ko Samui to Phnom Penh

When to book flights from Ko Samui to Phnom Penh

Are your dates flexible? Find out the best times to travel from Ko Samui to Phnom Penh 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 Ko Samui to Phnom Penh?
A direct flight from Ko Samui to Phnom Penh takes 00m, covering 915 km.
Do I need a passport to fly from Ko Samui to Phnom Penh?
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 Ko Samui to Phnom Penh 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 ฿11,911 to ฿29,086. That means the highest observed fare was about 2x higher than the lowest one.
How are flight prices from Ko Samui to Phnom Penh looking right now?
One-way fares from Ko Samui to Phnom Penh are currently lower than usual. Average one-way flight prices are about ฿6,398, which is 27% below the typical average for this route.
Which airports can I use when flying from Ko Samui to Phnom Penh?
Flights from Ko Samui to Phnom Penh usually depart from Ko Samui (USM) and arrive at Phnom Penh Techo Intl (KTI).
Which airports do connecting flights from Ko Samui to Phnom Penh pass through?
Most connecting flights from Ko Samui to Phnom Penh pass through Bangkok Suvarnabhumi (BKK), which handles 100% of one-stop traffic on this route.
Can I save money by using flexible dates for flights from Ko Samui to Phnom Penh?
Yes. Flexible dates can save you up to 21% on flights from Ko Samui to Phnom Penh. Thursday is the cheapest departure day at ฿13,969 return on average, while Friday is the most expensive at ฿17,580, a difference of ฿3,610.

KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

If your dates are flexible, aim for a Thursday departure and avoid flying on Friday. On this route, Thursday flights average ฿13,969, about ฿3,610 less than Friday fares (21% savings) based on the last 12 months.

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USM - KTI

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Everything you should know

Cheap Flights from Ko Samui to Phnom Penh (USM-KTI)

Recent return flight deals from Ko Samui to Phnom Penh

Recent one-way flight deals from Ko Samui to Phnom Penh

Price, demand, and travel trends for Ko Samui to Phnom Penh flights

Which airline is the cheapest to fly from Ko Samui to Phnom Penh?

What is the cheapest stopover airport when flying from Ko Samui to Phnom Penh?

When flying from Ko Samui to Phnom Penh, which airport offers the shortest stopover?

Key details for Ko Samui to Phnom Penh flights

Cheapest flight

When to book flights from Ko Samui to Phnom Penh

Your Ko Samui to Phnom Penh flight questions, answered

Your guide to booking Ko Samui to Phnom Penh flights

More options for your flight from Ko Samui to Phnom Penh

Complete your trip to Phnom Penh with a hotel stay or car hire

Information on your arrival and departure airports

Cabin class types available on flights from Ko Samui to Phnom Penh

Flights from domestic origins to Phnom Penh

Flights to other popular destinations

Find deals for your return flight