SAI - KOS

111€ Find Cheap Flights from Siem Reap to Krong Preah Sihanouk – Compare and Save

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Everything you should know

Cheapest return flight
207 €
Typical prices: 124 €-203 €
Cambodia Angkor Air
Sat 10.2.Sun 11.2.
SAI - KOS • Direct
Cheapest one-way flight
111 €
Typical prices: 75 €-134 €
Cambodia Angkor Air
Wed 25.4.
SAI - KOS • Direct
Direct flights
You can fly direct with Cambodia Angkor Air. Average duration is 1h 05m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 100% on-time
Best time • Fewest delays
Insights
Insights
When to travel
Cheapest • 45% price drop
Most popular
Good to know
+1
Good to know
+1
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We hope you enjoy your trip to Krong Preah Sihanouk!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Siem Reap to Krong Preah Sihanouk (SAI-KOS)

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

Recent return flight deals from Siem Reap to Krong Preah Sihanouk

Wed, 10. Feb - Thu, 11. Feb
Cambodia Angkor Air Logo
15:00 - 16:00SAI  Siem Reap–Angkor Intl-KOS Krong Preah Sihanouk Sihanoukville
1h 00mdirect
Cambodia Angkor Air Logo
10:15 - 11:15KOS  Krong Preah Sihanouk Sihanoukville-SAI Siem Reap–Angkor Intl
1h 00mdirect
207 €Cambodia Angkor Air
3+ days ago
Tue, 1. Dec - Sat, 5. Dec
Cambodia Angkor Air Logo
15:00 - 16:00SAI  Siem Reap–Angkor Intl-KOS Krong Preah Sihanouk Sihanoukville
1h 00mdirect
Cambodia Angkor Air Logo
10:15 - 11:15KOS  Krong Preah Sihanouk Sihanoukville-SAI Siem Reap–Angkor Intl
1h 00mdirect
217 €Cambodia Angkor Air
1 day ago
Tue, 1. Dec - Fri, 4. Dec
Cambodia Angkor Air Logo
15:00 - 16:00SAI  Siem Reap–Angkor Intl-KOS Krong Preah Sihanouk Sihanoukville
1h 00mdirect
Cambodia Angkor Air Logo
10:15 - 11:15KOS  Krong Preah Sihanouk Sihanoukville-SAI Siem Reap–Angkor Intl
1h 00mdirect
217 €Cambodia Angkor Air
1 day ago
Thu, 18. Feb - Fri, 26. Feb
Cambodia Angkor Air Logo
12:10 - 13:15SAI  Siem Reap–Angkor Intl-KOS Krong Preah Sihanouk Sihanoukville
1h 05mdirect
Cambodia Angkor Air Logo
10:15 - 11:15KOS  Krong Preah Sihanouk Sihanoukville-SAI Siem Reap–Angkor Intl
1h 00mdirect
220 €Cambodia Angkor Air
6 hours ago
Fri, 19. Feb - Fri, 26. Feb
Cambodia Angkor Air Logo
12:10 - 13:15SAI  Siem Reap–Angkor Intl-KOS Krong Preah Sihanouk Sihanoukville
1h 05mdirect
Cambodia Angkor Air Logo
10:15 - 11:15KOS  Krong Preah Sihanouk Sihanoukville-SAI Siem Reap–Angkor Intl
1h 00mdirect
220 €Cambodia Angkor Air
6 hours ago
Tue, 9. Feb - Wed, 10. Feb
Cambodia Angkor Air Logo
12:10 - 13:15SAI  Siem Reap–Angkor Intl-KOS Krong Preah Sihanouk Sihanoukville
1h 05mdirect
Cambodia Angkor Air Logo
10:15 - 11:15KOS  Krong Preah Sihanouk Sihanoukville-SAI Siem Reap–Angkor Intl
1h 00mdirect
220 €Cambodia Angkor Air
3+ days ago
Sat, 23. Jan - Sat, 30. Jan
Cambodia Angkor Air Logo
12:10 - 13:15SAI  Siem Reap–Angkor Intl-KOS Krong Preah Sihanouk Sihanoukville
1h 05mdirect
Cambodia Angkor Air Logo
10:15 - 11:15KOS  Krong Preah Sihanouk Sihanoukville-SAI Siem Reap–Angkor Intl
1h 00mdirect
220 €Cambodia Angkor Air
3+ days ago
Thu, 18. Feb - Wed, 24. Feb
Cambodia Angkor Air Logo
12:10 - 13:15SAI  Siem Reap–Angkor Intl-KOS Krong Preah Sihanouk Sihanoukville
1h 05mdirect
Cambodia Angkor Air Logo
10:15 - 11:15KOS  Krong Preah Sihanouk Sihanoukville-SAI Siem Reap–Angkor Intl
1h 00mdirect
220 €Cambodia Angkor Air
6 hours ago
Sun, 20. Dec - Sun, 3. Jan
Multiple Airlines Logo
21:30 - 9:35SAI  Siem Reap–Angkor Intl-KOS Krong Preah Sihanouk Sihanoukville
12h 05m1 stop Ho Chi Minh City
Multiple Airlines Logo
10:15 - 11:15KOS  Krong Preah Sihanouk Sihanoukville-SAI Siem Reap–Angkor Intl
1h 00mdirect
417 €Multiple Airlines
3+ days ago
Tue, 1. Dec - Sat, 5. Dec
Multiple Airlines Logo
15:00 - 16:00SAI  Siem Reap–Angkor Intl-KOS Krong Preah Sihanouk Sihanoukville
1h 00mdirect
Multiple Airlines Logo
13:50 - 20:30KOS  Krong Preah Sihanouk Sihanoukville-SAI Siem Reap–Angkor Intl
6h 40m1 stop Ho Chi Minh City
431 €Multiple Airlines
1 day ago
Booking Insights

Price, demand, and travel trends for Siem Reap to Krong Preah Sihanouk flights

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

How much is a return flight from Siem Reap to Krong Preah Sihanouk?

Return flights from Siem Reap to Krong Preah Sihanouk typically range from 124 € to 203 €. The lowest price found in the past 5 days was 207 € on Cambodia Angkor Air.

What's the cheapest day of the week to fly from Siem Reap to Krong Preah Sihanouk?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Siem Reap to Krong Preah Sihanouk. It's 27% cheaper than the average day, while Tuesday is the most expensive, with prices 16% higher.

What is the cheapest month to fly from Siem Reap to Krong Preah Sihanouk?

•August is the cheapest month to fly from Siem Reap to Krong Preah Sihanouk at 97 € return.
•November (224 €) and April (203 €) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 130% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Key details for Siem Reap to Krong Preah Sihanouk flights

Low season

August

Cheapest flight

111 €
Beat the crowds with an average 68% drop in travellers.
The most popular month to fly with an average 93% increase in travellers.
One-way flight from Siem Reap to Krong Preah Sihanouk

When to book flights from Siem Reap to Krong Preah Sihanouk

Are your dates flexible? Find out the best times to travel from Siem Reap to Krong Preah Sihanouk based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Siem Reap to Krong Preah Sihanouk flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • What are the earliest and latest flights from Siem Reap to Krong Preah Sihanouk?

    These are the earliest and latest flight times available from Siem Reap to Krong Preah Sihanouk:

    • Earliest: departs at 12:10 and lands at 13:15
    • Latest: departs at 15:00 and lands at 16:05.

    The flight takes about 1h 05m.

  • Which cabin classes can I book on flights from Siem Reap to Krong Preah Sihanouk?

    Three cabin classes are available on flights from Siem Reap to Krong Preah Sihanouk:

    • Economy class
    • Premium Economy Class
    • Business Class

  • How long is a flight from Siem Reap to Krong Preah Sihanouk?

    A direct flight from Siem Reap to Krong Preah Sihanouk takes 1h 05m, covering 510 km.

  • Do I need a passport to fly from Siem Reap to Krong Preah Sihanouk?

    No, a passport is not required for this domestic route, but you will need another form of identification, such as a driving licence.

  • How much should I expect to pay for a Siem Reap to Krong Preah Sihanouk flight?

    Return flights from Siem Reap to Krong Preah Sihanouk range from 124 € to 203 €, with an average of 177 € over the past 12 months. Anything below 124 € counts as a good deal.

  • How are flight departures from Siem Reap to Krong Preah Sihanouk spread across the day?

    Afternoon is the busiest departure period on Siem Reap to Krong Preah Sihanouk flights, with 100% leaving in that window. Morning departures account for 0%, Evening flights for 0%, and Night flights for 0%.

  • Have flight prices from Siem Reap to Krong Preah Sihanouk 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 207 € to 879 €. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Siem Reap to Krong Preah Sihanouk looking right now?

    One-way fares from Siem Reap to Krong Preah Sihanouk are currently higher than usual. Average one-way flight prices are about 128 €, which is 16% above the typical average for this route.

  • Which airports can I use when flying from Siem Reap to Krong Preah Sihanouk?

    Flights from Siem Reap to Krong Preah Sihanouk usually depart from Siem Reap–Angkor Intl (SAI) and arrive at Krong Preah Sihanouk Sihanoukville (KOS).

  • What time of day has the fewest delays on flights from Siem Reap to Krong Preah Sihanouk?

    Afternoon flights have the fewest delays on this route, while evening departures tend to have the most.

  • At what point is a flight considered delayed from Siem Reap to Krong Preah Sihanouk?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Siem Reap to Krong Preah Sihanouk route, 10% of flights were delayed in the past three months, with delays averaging 44m.

  • Can I save money by using flexible dates for flights from Siem Reap to Krong Preah Sihanouk?

    Yes. Flexible dates can save you up to 37% on flights from Siem Reap to Krong Preah Sihanouk. Monday is the cheapest departure day at 131 € return on average, while Tuesday is the most expensive at 206 €, a difference of 75 €.

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

  • Which airlines fly from Siem Reap to Krong Preah Sihanouk?

    Only Cambodia Angkor Air operates flights between Siem Reap and Krong Preah Sihanouk.

  • Which airlines include bags at no extra cost on Siem Reap to Krong Preah Sihanouk flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Cambodia Angkor Air: a cabin bag and a checked bag in Economy class
    • Cambodia Airways: a cabin bag and a checked bag in Economy class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

Your guide to booking Siem Reap to Krong Preah Sihanouk 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 Monday departure and avoid flying on Tuesday. On this route, Monday flights average 131 €, which is about 75 € less than Tuesday fares (36% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Siem Reap to Krong Preah Sihanouk trip for August. Fares historically average 97 € return in that month – typically 127 € less than the most expensive month, which is November (based on the last 12 months).
  • For the best chance of arriving on time, fly with Cambodia Airways. Over the past three months, 100% of Cambodia Airways flights from Siem Reap to Krong Preah Sihanouk arrived on time, slightly above the route average of 90%. When flights on this route arrive late, they're delayed by an average of 44m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.

Prefer to fly direct from Siem Reap–Angkor Intl to Krong Preah Sihanouk Sihanoukville?

 
Find which airlines fly direct from Siem Reap–Angkor Intl Airport to Krong Preah Sihanouk Sihanoukville Airport, which days they fly and book direct flights.

Direct departures

Siem Reap–Angkor Intl to Krong Preah Sihanouk Sihanoukville

Monday

Cambodia Angkor Air

Cambodia Angkor Air

Tuesday

Cambodia Angkor Air

Cambodia Angkor Air

Wednesday

Cambodia Angkor Air

Cambodia Angkor Air

Thursday

Cambodia Angkor Air

Cambodia Angkor Air

Friday

Cambodia Angkor Air

Cambodia Angkor Air

Saturday

Cambodia Angkor Air

Cambodia Angkor Air

Sunday

Cambodia Angkor Air

Cambodia Angkor Air

See more direct flights

Direct returns

Krong Preah Sihanouk Sihanoukville to Siem Reap–Angkor Intl

Monday

Cambodia Angkor Air

Cambodia Angkor Air

Tuesday

Cambodia Angkor Air

Cambodia Angkor Air

Wednesday

Cambodia Angkor Air

Cambodia Angkor Air

Thursday

Cambodia Angkor Air

Cambodia Angkor Air

Friday

Cambodia Angkor Air

Cambodia Angkor Air

Saturday

Cambodia Angkor Air

Cambodia Angkor Air

Sunday

Cambodia Angkor Air

Cambodia Angkor Air

See more direct flights

More options for your flight from Siem Reap to Krong Preah Sihanouk

Complete your trip to Krong Preah Sihanouk with a hotel stay or car hire