USM - KTI

C$ 450 Find Cheap Flights from Ko Samui to Phnom Penh – Compare and Save

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1 adult, Economy, 0 bags

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

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

Recent round-trip flight deals from Ko Samui to Phnom Penh

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USM  Ko Samui-KTI Phnom Penh Techo Intl
915 kmmulti-stop
Multiple Airlines Logo
KTI  Phnom Penh Techo Intl-USM Ko Samui
915 kmmulti-stop
Multiple Airlines
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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 from Ko Samui to Phnom Penh with more confidence.

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

Flights via Bangkok Suvarnabhumi (BKK) offer the most affordable fares, with an average round-trip price of C$ 647. Based on KAYAK data over the past 3 months.

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

Bangkok Suvarnabhumi (BKK) had the shortest average connection time for Ko Samui to Phnom Penh layovers at 264 minutes over the past 3 months.

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Key details for Ko Samui to Phnom Penh flights

Cheapest flight

C$ 450
Flights 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 round-trip price

Your Ko Samui to Phnom Penh flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • 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. Other layover airports each see under 5%.

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

    Yes. Being flexible with your travel dates can save you up to 21% on the Ko Samui to Phnom Penh route. Thursday is the cheapest departure day at C$ 571 round-trip on average, while Friday is the most expensive at C$ 719, a difference of C$ 148. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How long does a flight from Ko Samui to Phnom Penh take?

    A direct flight from Ko Samui to Phnom Penh takes 0h 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.

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

    One-way fares from Ko Samui to Phnom Penh are currently higher than usual. Average one-way flight prices are about C$ 462, which is 27% above the typical average for this route.

Your guide to booking Ko Samui to Phnom Penh flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure instead of Friday. On this route, Thursday flights average C$ 571 – about C$ 148 less than Friday (21% savings) based on the last 12 months.

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