Find flights
Deals
When to book
FAQs

Cheap flights from Phnom Penh to Siem Reap, Cambodia from $116

KTI — SAI
12 Nov — 19 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Phnom Penh to Siem Reap

Enter your travel dates to find the best prices.

Cheapest flights from Phnom Penh to Siem Reap

Wed 14/1008:35 -
Nonstop1h 00m
Sun 18/1019:20 -
Nonstop1h 05m
Deal found 9/10$214
Mon 12/1008:35 -
Nonstop1h 00m
Tue 13/1020:20 -
Nonstop1h 10m
Deal found 11/10$228
Mon 12/1010:25 -
Nonstop0h 50m
Thu 15/1019:20 -
Nonstop0h 50m
Deal found 11/10$229
Tue 1/1209:30 -
Nonstop1h 05m
Mon 7/1215:20 -
Nonstop1h 05m
Deal found 11/10$241
Sun 11/1008:05 -
Nonstop0h 55m
Tue 13/1012:40 -
Nonstop1h 05m
Deal found 9/10$245
Thu 3/1209:30 -
Nonstop1h 05m
Mon 7/1215:20 -
Nonstop1h 05m
Deal found 11/10$255
Sat 7/1109:30 -
Nonstop1h 05m
Sun 8/1119:40 -
Nonstop1h 05m
Deal found 13/10$260
Tue 17/1119:35 -
Nonstop0h 50m
Sat 21/1121:05 -
Nonstop0h 45m
Deal found 8/10$261
Fri 30/1009:00 -
Nonstop1h 05m
Sun 1/1119:40 -
Nonstop1h 05m
Deal found 12/10$268
Sat 10/1009:30 -
Nonstop1h 05m
Sun 11/1015:15 -
Nonstop1h 05m
Deal found 9/10$271
Thu 31/1207:40 -
Nonstop0h 55m
Mon 8/321:05 -
Nonstop0h 45m
Deal found 12/10$277
Tue 22/1207:40 -
Nonstop0h 55m
Fri 25/1221:05 -
Nonstop0h 45m
Deal found 9/10$280

Find flight deals from Phnom Penh to Siem Reap

Round-trip from

$241

One-way from

$116

Popular in

April

Cheapest in

July

Average price

$248
Cambodia Airways
  • Cambodia Airways
  • 1/12-7/12
  • Nonstop
  • 2h 10m total
  • Phnom Penh to Siem Reap
Search Deals
Cambodia Airways
  • Cambodia Airways
  • 24/10-31/12
  • Nonstop
  • 1h 05m total
  • Phnom Penh to Siem Reap
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($67 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Phnom Penh to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Phnom PenhSiem Reap

KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl

KTISAI

Phnom Penh Techo Intl

Wed 11/11

09:00-10:05

Nonstop1h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

$128

Phnom PenhSiem Reap

KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl

KTISAI

Phnom Penh Techo Intl

Mon 4/1

09:00-10:05

Nonstop1h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

$132

Phnom PenhSiem Reap

KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl

KTISAI

Phnom Penh Techo Intl

Tue 19/1

09:30-10:35

Nonstop1h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

$132

Phnom PenhSiem Reap

KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl

KTISAI

Phnom Penh Techo Intl

Mon 14/12

09:00-10:05

Nonstop1h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

$132

Phnom PenhSiem Reap

KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl

KTISAI

Phnom Penh Techo Intl

Wed 6/1

09:00-10:05

Nonstop1h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

$132

Phnom PenhSiem Reap

KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl

KTISAI

Phnom Penh Techo Intl

Sat 16/1

09:30-10:35

Nonstop1h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

$132

Phnom PenhSiem Reap

KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl

KTISAI

Phnom Penh Techo Intl

Tue 1/12

09:30-10:35

Nonstop1h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

$132

Phnom PenhSiem Reap

KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl

KTISAI

Phnom Penh Techo Intl

Mon 21/12

07:40-08:35

Nonstop0h 55m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

$143

Phnom PenhSiem Reap

KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl

KTISAI

Phnom Penh Techo Intl

Sat 26/12

09:30-10:35

Nonstop1h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

$143
Fastest return journey

Phnom PenhSiem Reap

KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl

KTISAI

Phnom Penh Techo Intl

Sun 15/11

19:35-20:25

Nonstop0h 50m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

$159

Flights are sorted by cheapest return flights first.

Deals found on 10/10

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Phnom Penh to Siem Reap

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

Cheapflights Insights

Everything you need to know about your flight from Phnom Penh to Siem Reap

How far ahead should I book a flight from Phnom Penh to Siem Reap?

The best time to book flights from Phnom Penh to Siem Reap is 63 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Phnom Penh to Siem Reap?

Currently, July is the cheapest month in which you can book a flight from Phnom Penh to Siem Reap (average of $145). Flying from Phnom Penh to Siem Reap in April is currently the most expensive (average of $301). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

When flying from Phnom Penh to Siem Reap, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 45% versus a flight in the afternoon.

How much does it cost for a return flight from Phnom Penh to Siem Reap?

Airfare is typical for this route at the moment.

Phnom Penh to Siem Reap flights typically cost between $206 and $305 in December.
The cheapest return price found within the last 5 days was $241 on Cambodia Airways (1 Dec–7 Dec).

Related info for your journey

  • How popular is this Phnom Penh to Siem Reap flight route?

    This flight path from Phnom Penh Techo Intl to Siem Reap–Angkor Intl was viewed by 32 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 Phnom Penh to Siem Reap?

    Departing from Phnom Penh to Siem Reap will take you 1h 05m. Airlines will cover a distance of 237 km. All flights are typically direct.

  • What is the cheapest airline to fly from Phnom Penh to Siem Reap round-trip?

    Cheapflights users have booked flights from Phnom Penh to Siem Reap round-trip from $166. Users have found that Cambodia Angkor Air is 28% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Phnom Penh to Siem Reap?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Phnom Penh to Siem Reap on time: Cambodia Airways (90%), Vietnam Airlines (83%), Cambodia Angkor Air (83%).

  • Can I find deals for flights from Phnom Penh to Siem Reap that include hotel bookings?

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

  • How can I find direct flights from Phnom Penh to Siem Reap?

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

  • Can I find deals for business class flights from Phnom Penh to Siem Reap?

    Yes. Cheapflights offers flight deals from Phnom Penh 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.

  • What is the cheapest month to book a flight from Phnom Penh to Siem Reap?

    Currently, July is the cheapest month in which you can book a flight from Phnom Penh to Siem Reap (average of $145). Flying from Phnom Penh to Siem Reap in April is currently the most expensive (average of $301). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Phnom Penh to Siem Reap

AirlineCheapestAverageFlexibilityOn-time
Cambodia Angkor AirCheapest$166Average$257FlexibilityNo cancel feeOn-timeN/A
Search Cambodia Angkor Air flights

Fly with Cheapflights

How does Cheapflights help users find flights from Phnom Penh to Siem Reap?

Cheapflights makes it easy to find Phnom Penh to Siem Reap flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Phnom Penh to Siem Reap?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Phnom Penh to Siem Reap for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Phnom Penh to Siem Reap with no change fees?

Certainly. Search results for flights to Siem Reap from Phnom Penh shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Phnom Penh to Siem Reap become cheaper?

Of course! You can now track prices for flights from Phnom Penh to Siem Reap and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.