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Cheap flights from Krong Preah Sihanouk to Siem Reap, Cambodia from £44

KOS — SAI
16 Oct — 23 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Krong Preah Sihanouk to Siem Reap

Enter your travel dates to find the best prices.

Cheapest flights from Krong Preah Sihanouk to Siem Reap

Fri 25/911:00 -
Nonstop1h 00m
Sun 27/909:40 -
Nonstop1h 05m
Deal found 16/9£110
Tue 22/911:00 -
Nonstop1h 00m
Sun 27/909:40 -
Nonstop1h 05m
Deal found 14/9£113
Thu 24/913:35 -
Nonstop0h 55m
Sun 27/909:40 -
Nonstop1h 05m
Deal found 14/9£126
Tue 22/911:00 -
Nonstop1h 00m
Mon 28/909:25 -
Nonstop1h 10m
Deal found 14/9£138
Fri 13/1117:50 -
Nonstop1h 00m
Thu 26/1116:15 -
Nonstop1h 05m
Deal found 12/9£142
Sun 15/1117:50 -
Nonstop1h 00m
Thu 26/1116:15 -
Nonstop1h 05m
Deal found 12/9£148
Sun 25/1017:50 -
Nonstop1h 00m
Thu 29/1016:15 -
Nonstop1h 05m
Deal found 15/9£151
Sun 15/1117:50 -
Nonstop1h 00m
Fri 27/1116:15 -
Nonstop1h 05m
Deal found 12/9£156
Fri 13/1117:50 -
Nonstop1h 00m
Wed 25/1116:15 -
Nonstop1h 05m
Deal found 12/9£162
Sun 15/1117:50 -
Nonstop1h 00m
Wed 25/1116:15 -
Nonstop1h 05m
Deal found 12/9£167
Wed 18/1117:50 -
Nonstop1h 00m
Tue 24/1116:15 -
Nonstop1h 05m
Deal found 12/9£179
Sun 15/1117:50 -
Nonstop1h 00m
Tue 24/1116:15 -
Nonstop1h 05m
Deal found 12/9£183

Find flight deals from Krong Preah Sihanouk to Siem Reap

Round-trip from

£110

One-way from

£44

Popular in

March

Cheapest in

July

Average price

£91
Cambodia Angkor Air
  • Cambodia Angkor Air
  • 26/9-27/9
  • Nonstop
  • 2h 10m total
  • Krong Preah Sihanouk to Siem Reap
Search Deals
Cambodia Angkor Air
  • Cambodia Angkor Air
  • 28/9-31/12
  • Nonstop
  • 1h 05m total
  • Krong Preah Sihanouk to Siem Reap
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£33 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Krong Preah Sihanouk to Siem Reap that are best for you.

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Fly to

Route

Depart

Return

Price

Cheapest return flight

Krong Preah SihanoukSiem Reap

KOS Krong Preah Sihanouk Sihanoukville - SAI Siem Reap–Angkor Intl

KOSSAI

Krong Preah Sihanouk Sihanoukville

Mon 28/9

11:20-12:25

Nonstop1h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£44

Krong Preah SihanoukSiem Reap

KOS Krong Preah Sihanouk Sihanoukville - SAI Siem Reap–Angkor Intl

KOSSAI

Krong Preah Sihanouk Sihanoukville

Tue 22/9

11:00-12:00

Nonstop1h 00m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£44

Krong Preah SihanoukSiem Reap

KOS Krong Preah Sihanouk Sihanoukville - SAI Siem Reap–Angkor Intl

KOSSAI

Krong Preah Sihanouk Sihanoukville

Sun 27/9

11:15-12:20

Nonstop1h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£57
Fastest return journey

Krong Preah SihanoukSiem Reap

KOS Krong Preah Sihanouk Sihanoukville - SAI Siem Reap–Angkor Intl

KOSSAI

Krong Preah Sihanouk Sihanoukville

Wed 21/10

13:35-14:30

Nonstop0h 55m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£57

Krong Preah SihanoukSiem Reap

KOS Krong Preah Sihanouk Sihanoukville - SAI Siem Reap–Angkor Intl

KOSSAI

Krong Preah Sihanouk Sihanoukville

Sat 26/9

11:20-12:25

Nonstop1h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£57

Krong Preah SihanoukSiem Reap

KOS Krong Preah Sihanouk Sihanoukville - SAI Siem Reap–Angkor Intl

KOSSAI

Krong Preah Sihanouk Sihanoukville

Sun 18/10

11:15-12:20

Nonstop1h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£57

Krong Preah SihanoukSiem Reap

KOS Krong Preah Sihanouk Sihanoukville - SAI Siem Reap–Angkor Intl

KOSSAI

Krong Preah Sihanouk Sihanoukville

Sat 24/10

11:20-12:25

Nonstop1h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£63

Krong Preah SihanoukSiem Reap

KOS Krong Preah Sihanouk Sihanoukville - SAI Siem Reap–Angkor Intl

KOSSAI

Krong Preah Sihanouk Sihanoukville

Fri 16/10

11:00-12:00

Nonstop1h 00m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£63

Krong Preah SihanoukSiem Reap

KOS Krong Preah Sihanouk Sihanoukville - SAI Siem Reap–Angkor Intl

KOSSAI

Krong Preah Sihanouk Sihanoukville

Wed 6/1

14:05-15:05

Nonstop1h 00m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£65

Krong Preah SihanoukSiem Reap

KOS Krong Preah Sihanouk Sihanoukville - SAI Siem Reap–Angkor Intl

KOSSAI

Krong Preah Sihanouk Sihanoukville

Sat 26/9

11:20-12:25

Nonstop1h 05m

Siem Reap–Angkor Intl

Sun 27/9

09:40-10:45

Nonstop1h 05m

£110

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 20 resultsSorted by cheapest first
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Best time to book a flight from Krong Preah Sihanouk to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Krong Preah Sihanouk with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Krong Preah Sihanouk to Siem Reap

What is the cheapest time of day to fly from KOS to SAI?

When flying from Krong Preah Sihanouk to Siem Reap, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Krong Preah Sihanouk to Siem Reap?

Airfare is above average for this route at the moment.

Krong Preah Sihanouk to Siem Reap flights typically cost between £80 and £98 in September.
The cheapest return price found within the last 5 days was £110 on Cambodia Angkor Air (26 Sept–27 Sept).

Related info for your journey

  • How popular is this Krong Preah Sihanouk to Siem Reap flight route?

    This flight path from Krong Preah Sihanouk Sihanoukville to Siem Reap–Angkor Intl was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    For as low as £110, Cambodia Angkor Air can have you in Siem Reap from Krong Preah Sihanouk in 1h 05m. Krong Preah Sihanouk and Siem Reap are separated by a distance of 197 mi. Generally, flights for this route are direct.

  • What are the most reliable airlines from Krong Preah Sihanouk to Siem Reap?

    Consider Vietnam Airlines (89%), Cambodia Angkor Air (87%) or Cambodia Airways (80%) when booking your flight. These represent the most reliable airlines when flying from Krong Preah Sihanouk to Siem Reap.

  • Can I find deals for flights from Krong Preah Sihanouk to Siem Reap that include hotel bookings?

    Yes. In addition to deals on Krong Preah Sihanouk to Siem Reap flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Krong Preah Sihanouk to Siem Reap?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Krong Preah Sihanouk to Siem Reap.

  • Can I find deals for business class flights from Krong Preah Sihanouk to Siem Reap?

    Yes. Cheapflights offers flight deals from Krong Preah Sihanouk to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Can Cheapflights find flights from Krong Preah Sihanouk to Siem Reap with no change fees?

Need flexible booking options for your flight to Siem Reap from Krong Preah Sihanouk? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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Yes, Cheapflights offers price alerts on Krong Preah Sihanouk to Siem Reap flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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