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Cheap flights from Australia to Siem Reap, Cambodia

SYD — SAI
15 Nov — 22 Nov1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Australia to Siem Reap

Popular in

December

Cheapest in

October

Average price

$886
Highest demand for flights based on searches. 18% potential increase in price ($400 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease ($96 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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Cheapflights Insights

Everything you need to know about your flight from Australia to Siem Reap

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

Currently, October is the cheapest month in which you can book a flight from Australia to Siem Reap (average of $886). Flying from Australia to Siem Reap in January is currently the most expensive (average of $1,579). 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.

Reviews of airlines servicing Siem Reap

Check out reviews from past customers who have flown with Singapore Airlines and Vietnam Airlines from Australia to Siem Reap to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very Good
1,628 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.2

Food

7.8

Entertainment

8.1

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Singapore Airlines
8.2
Very Good
1,628 reviews
Singapore Airlines
8.2
Very Good
1,628 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.2

Food

7.8

Entertainment

8.1

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Vietnam Airlines
7.7
Good
293 reviews
Singapore Airlines
8.2
Very Good
1,628 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.2

Food

7.8

Entertainment

8.1

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Related info for your journey

  • What airport do you fly into for flights to Siem Reap from Australia?

    Siem Reap–Angkor Intl (SAI), located 39.7 km from the city centre, is the airport you fly into when you book flights from Australia to Siem Reap.

  • What are the most popular routes from Australia to Siem Reap?

    The most popular route from Australia to Siem Reap is Sydney Kingsford Smith - Siem Reap–Angkor Intl. You may also consider Melbourne - Siem Reap–Angkor Intl or Brisbane - Siem Reap–Angkor Intl.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Australia 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 Australia to Siem Reap?

    Currently, October is the cheapest month in which you can book a flight from Australia to Siem Reap (average of $886). Flying from Australia to Siem Reap in January is currently the most expensive (average of $1,579). 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 2 airlines flying from Australia to Siem Reap

AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$735Average$1,275FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Vietnam AirlinesCheapest$787Average$1,072FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Australia to Siem Reap. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Siem Reap from Australia.

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

Certainly. Search results for flights to Siem Reap from Australia 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 Australia to Siem Reap become cheaper?

Yes! Start tracking prices for Australia to Siem Reap flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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