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Cheap flights from Siem Reap, Cambodia to Sydney from $490

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 30/6. Fares are subject to change and may not be available on all flights or dates of travel.
SAI — SYD
12 Jun — 19 Jun1
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 13 May 2026.

Wed 13/522:35
SAI
-
SYD
1 stop29h 45m
Multiple Airlines
Sun 24/515:10
SYD
-
SAI
1 stop20h 35m
Multiple Airlines
Deal found 8/5$983
Wed 20/523:15
SAI
-
SYD
1 stop29h 05m
Multiple Airlines
Tue 26/513:00
SYD
-
SAI
2 stops23h 15m
Multiple Airlines
Deal found 8/5$992
Wed 20/523:15
SAI
-
SYD
1 stop29h 05m
Multiple Airlines
Mon 25/520:35
SYD
-
SAI
2 stops21h 15m
Multiple Airlines
Deal found 8/5$996
Thu 14/515:05
SAI
-
SYD
1 stop13h 15m
Multiple Airlines
Sun 24/515:10
SYD
-
SAI
1 stop20h 35m
Multiple Airlines
Deal found 8/5$999
Thu 21/509:35
SAI
-
SYD
1 stop18h 45m
Multiple Airlines
Tue 26/520:35
SYD
-
SAI
2 stops21h 15m
Multiple Airlines
Deal found 8/5$1,007
Thu 21/515:00
SAI
-
SYD
1 stop13h 20m
Multiple Airlines
Wed 27/520:35
SYD
-
SAI
2 stops21h 15m
Multiple Airlines
Deal found 8/5$1,011
Thu 21/515:00
SAI
-
SYD
1 stop13h 20m
Multiple Airlines
Fri 29/520:35
SYD
-
SAI
2 stops47h 00m
Multiple Airlines
Deal found 8/5$1,012
Thu 21/523:50
SAI
-
SYD
2 stops28h 30m
Multiple Airlines
Sun 24/515:10
SYD
-
SAI
1 stop20h 35m
Multiple Airlines
Deal found 8/5$1,017
Tue 19/523:50
SAI
-
SYD
2 stops28h 30m
Multiple Airlines
Sun 24/515:10
SYD
-
SAI
1 stop20h 35m
Multiple Airlines
Deal found 8/5$1,026
Sun 17/509:35
SAI
-
SYD
2 stops30h 45m
Multiple Airlines
Sun 24/515:10
SYD
-
SAI
1 stop20h 35m
Multiple Airlines
Deal found 8/5$1,032
Wed 13/522:35
SAI
-
SYD
1 stop29h 45m
Multiple Airlines
Fri 22/510:15
SYD
-
SAI
1 stop13h 50m
Multiple Airlines
Deal found 8/5$1,033

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 13 May 2026.

Round-trip from

$1,057

One-way from

$490
25/5-28/5
  • 25/5-28/5
  • 3 total stops
  • 36h 35m total
  • Siem Reap to Sydney
Search Deals
30/6
  • 30/6
  • 1 total stop
  • 21h 35m 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 13 May 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 - SYD

SAISYD

Siem Reap–Angkor Intl

Sun 21/6

18:05-12:15

1 stop15h 10m

Sydney Kingsford Smith

Wed 24/6

10:15-21:55

1 stop14h 40m

$1,376

Siem ReapSydney

SAI - SYD

SAISYD

Siem Reap–Angkor Intl

Sat 20/6

15:10-08:15

2 stops38h 05m

Sydney Kingsford Smith

Wed 24/6

10:15-13:15

1 stop30h 00m

$1,452

Siem ReapSydney

SAI - SYD

SAISYD

Siem Reap–Angkor Intl

Tue 26/5

22:35-08:15

1 stop30h 40m

Sydney Kingsford Smith

Mon 1/6

10:15-17:50

2 stops34h 35m

$1,506

Siem ReapSydney

SAI - SYD

SAISYD

Siem Reap–Angkor Intl

Fri 19/6

19:20-08:15

2 stops33h 55m

Sydney Kingsford Smith

Wed 24/6

10:15-14:20

2 stops31h 05m

$1,522

Siem ReapSydney

SAI - SYD

SAISYD

Siem Reap–Angkor Intl

Sat 23/5

18:05-08:15

2 stops59h 10m

Sydney Kingsford Smith

Mon 1/6

10:15-08:45

1 stop25h 30m

$1,858

Siem ReapSydney

SAI - SYD

SAISYD

Siem Reap–Angkor Intl

Sat 23/5

22:35-08:15

1 stop30h 40m

Sydney Kingsford Smith

Tue 2/6

10:15-18:20

1 stop11h 05m

$1,996
Cheapest one-way

Siem ReapSydney

SAI - SYD

SAISYD

Siem Reap–Angkor Intl

Thu 2/7

19:05-19:20

2 stops45h 15m

$505

Siem ReapSydney

SAI - SYD

SAISYD

Siem Reap–Angkor Intl

Thu 28/5

19:45-07:20

2 stops32h 35m

$512
Fastest single journey

Siem ReapSydney

SAI - SYD

SAISYD

Siem Reap–Angkor Intl

Sat 4/7

17:20-08:20

1 stop12h 00m

$570

Siem ReapSydney

SAI - SYD

SAISYD

Siem Reap–Angkor Intl

Tue 30/6

19:05-07:20

2 stops33h 15m

$632

Flights are sorted by cheapest return flights first.

Deals found on 8/5

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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.

  • How long is the flight from Siem Reap to Sydney?

    For as low as $1,376, Vietnam Airlines can have you in Sydney from Siem Reap in 15h 10m. The distance from Siem Reap to Sydney is about 7229 km. This flight may include one or multiple stops.

  • 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.

See more FAQs

Travelling to a place near Sydney?

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

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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.

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