KTI - USM

$153 Find Cheap Flights from Phnom Penh to Ko Samui - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$919
Typical prices: $522-$712
Malaysia Airlines
Sat 2/10Thu 2/15
KTI - USM • 2 stops
Cheapest one-way
$153
Typical prices: $252-$289
Multiple Airlines
Tue 11/13
KTI - USM • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Phnom Penh and Ko Samui. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
May
Cheapest • 19% price drop
July
Most popular
Good to know
+1
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Ko Samui!
Flight Deals
Booking Insights
Flight Deals

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

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

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

Wed, Feb 10 - Wed, Feb 17
Malaysia Airlines Logo
11:10 am - 7:10 amKTI  Phnom Penh Techo Intl-USM Ko Samui
20h 00m2 stops Kuala Lumpur Intl Bangkok Suvarnabhumi
Malaysia Airlines Logo
3:50 pm - 10:00 amUSM  Ko Samui-KTI Phnom Penh Techo Intl
18h 10m2 stops Phuket City Kuala Lumpur Intl
$919Malaysia Airlines
Booking Insights

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

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

How much is a round-trip flight from Phnom Penh to Ko Samui?

Round-trip flights from Phnom Penh to Ko Samui start at $919. Prices are above average for this route right now, with typical round-trip fares ranging from $522 to $712. The lowest price found in the past 5 days was $919 on Malaysia Airlines.

What's the cheapest day of the week to fly from Phnom Penh to Ko Samui?

Friday is the cheapest day of the week to fly from Phnom Penh to Ko Samui, it is 42% cheaper than the average day. Sunday is the most expensive day with flight prices 19% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

Key details for Phnom Penh to Ko Samui flights

Low season

January

Cheapest flight

$153
Most popular time to fly and prices are also 11% lower on average.
Flight from Phnom Penh to Ko Samui

When to book flights from Phnom Penh to Ko Samui

Are your dates flexible? Find out the best times to travel from Phnom Penh to Ko Samui based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Phnom Penh to Ko Samui 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 Phnom Penh to Ko Samui?

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

  • What cabin classes can I book on flights from Phnom Penh to Ko Samui?

    Only Economy Class is available on flights from Phnom Penh to Ko Samui.

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

    Most connecting flights from Phnom Penh to Ko Samui 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 Phnom Penh to Ko Samui?

    Yes. Being flexible with your travel dates can save you up to 52% on the Phnom Penh to Ko Samui route. Friday is the cheapest departure day at $348 round-trip on average, while Sunday is the most expensive at $713, a difference of $365. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Ko Samui?

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

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

    A nonstop flight from Phnom Penh to Ko Samui takes 0h 00m, covering 353 miles.

  • Do I need a passport to fly from Phnom Penh 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 are flight prices from Phnom Penh to Ko Samui looking right now?

    One-way fares from Phnom Penh to Ko Samui are currently higher than usual. Average one-way flight prices are about $410, which is 52% above the typical average for this route.

  • What car rental options are available at Ko Samui Airport (USM)?

    Ko Samui Airport (USM) hosts 5 major car rental companies, with daily rates starting from around $14 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 Phnom Penh to Ko Samui flight?

    Round-trip flights from Phnom Penh to Ko Samui range from $522 to $712, with an average of $597 over the past 12 months. Anything below $522 counts as a good deal.

Your guide to booking Phnom Penh to Ko Samui flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Friday departure instead of Sunday. On this route, Friday flights average $348 - about $365 less than Sunday (51% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Phnom Penh to Ko Samui trip for May. Fares historically average $486 round-trip in that month - typically $251 less than the most expensive month, which is March (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

More options for your flight from Phnom Penh to Ko Samui

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

Car rentals in Ko Samui
Hotels in Ko Samui
Vacations in Ko Samui