Find flights
When to book

Cheap flights from Siem Reap, Cambodia to Sydney from $439

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
SAI — SYD
23 Apr — 30 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Siem Reap to Sydney

Enter your travel dates to find the best prices.

One-way flights from Siem Reap to Sydney
Search for one-way flight options from Siem Reap to Sydney. Find affordable one-way fares based on user searches. Data last updated 24 March 2026.

Mon 15/615:00
SAI
-
SYD
1 stop13h 20m
Multiple Airlines
Deal found 21/3$439
Sun 5/415:35
SAI
-
SYD
3 stops48h 45m
Multiple Airlines
Deal found 24/3$573
Fri 10/410:00
SAI
-
SYD
1 stop19h 20m
Multiple Airlines
Deal found 21/3$693
Sat 11/422:35
SAI
-
SYD
3 stops42h 00m
Multiple Airlines
Deal found 19/3$712

Find flight deals from Siem Reap to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Siem Reap (SAI) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 24 March 2026.

Round-trip from

$936

One-way from

$439
16/4-21/4
  • 16/4-21/4
  • 3 total stops
  • 49h 40m total
  • Siem Reap to Sydney
Search Deals
15/6
  • 15/6
  • 1 total stop
  • 13h 20m total
  • Siem Reap to Sydney
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Siem Reap to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 24 March 2026.
Use the filters below to find and compare flights from Siem Reap to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest one-way
Fastest single journey

Siem ReapSydney

SAI - SYD

SAISYD

Siem Reap–Angkor Intl

Mon 15/6

15:00-07:20

1 stop13h 20m

$439

Siem ReapSydney

SAI - SYD

SAISYD

Siem Reap–Angkor Intl

Sun 5/4

15:35-19:35

1 stop25h 00m

$576

Siem ReapSydney

SAI - SYD

SAISYD

Siem Reap–Angkor Intl

Sat 11/4

22:35-19:35

3 stops42h 00m

$712

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Sorted by cheapest first

Best time to book a flight from Siem Reap to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Siem Reap with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Siem Reap to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

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

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Penrith
Terrigal
Lithgow
Katoomba
Manly
Bondi Beach
Coogee
Cronulla
Leura
Randwick

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Deals for Siem Reap to Sydney flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight to Sydney from Siem Reap by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from Siem Reap to Sydney with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from Siem Reap today and book when prices fit your budget.

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.