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Cheap flights from Siem Reap, Cambodia to Sydney from $387

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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
SAI — SYD
11 Sep — 18 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Siem Reap to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Siem Reap to Sydney
Explore the most affordable flight options available from Siem Reap to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 August 2026.

Sat 31/1021:30 -
1 stop34h 00m
Sat 14/1113:25 -
2 stops23h 55m
Deal found 11/8$922

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 12 August 2026.

Round-trip from

$922

One-way from

$387
31/10-14/11
  • 31/10-14/11
  • 3 total stops
  • 57h 55m total
  • Siem Reap to Sydney
Search Deals
VietJet Air
  • VietJet Air
  • 12/12
  • 2 total stops
  • 34h 55m 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 12 August 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 return flight
Fastest return journey

Siem ReapSydney

SAI Siem Reap–Angkor Intl - SYD Sydney Kingsford Smith

SAISYD

Siem Reap–Angkor Intl

Sat 31/10

21:30-11:30

1 stop34h 00m

Sydney Kingsford Smith

Sat 14/11

13:25-09:20

2 stops23h 55m

$922
Cheapest one-way

Siem ReapSydney

SAI Siem Reap–Angkor Intl - SYD Sydney Kingsford Smith

SAISYD

Siem Reap–Angkor Intl

Sat 12/12

19:05-10:00

2 stops34h 55m

$387

Siem ReapSydney

SAI Siem Reap–Angkor Intl - SYD Sydney Kingsford Smith

SAISYD

Siem Reap–Angkor Intl

Sat 12/12

21:30-10:00

1 stop32h 30m

$446

Siem ReapSydney

SAI Siem Reap–Angkor Intl - SYD Sydney Kingsford Smith

SAISYD

Siem Reap–Angkor Intl

Fri 20/11

19:05-18:50

2 stops43h 45m

$513
Fastest single journey

Siem ReapSydney

SAI Siem Reap–Angkor Intl - SYD Sydney Kingsford Smith

SAISYD

Siem Reap–Angkor Intl

Wed 7/10

10:00-06:55

1 stop16h 55m

$725

Siem ReapSydney

SAI Siem Reap–Angkor Intl - SYD Sydney Kingsford Smith

SAISYD

Siem Reap–Angkor Intl

Sat 12/12

17:05-09:50

3 stops36h 45m

$792

Flights are sorted by cheapest return flights first.

Deals found on 9/8

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
Manly
Katoomba
Lithgow
Cronulla
Randwick
Terrigal
Leura
Bondi Beach
Coogee

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

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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.

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