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Cheap flights from Sydney to Siem Reap from $758

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Siem Reap departing on 30/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Sydney to Siem Reap

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:35 - 14:50
SYD
-
SAI
21h 15m
2 stops
Multiple Airlines Logo
22:35 - 10:10
SAI
-
SYD
32h 35m
1 stop
$906Multiple Airlines
Wed, 22 Jul - Sat, 22 Aug
Vietnam Airlines Logo
10:15 - 18:20
SYD
-
SAI
11h 05m
1 stop
Vietnam Airlines Logo
22:35 - 08:15
SAI
-
SYD
30h 40m
1 stop
$930Vietnam Airlines
Wed, 22 Jul - Sat, 22 Aug
Multiple Airlines Logo
10:15 - 18:20
SYD
-
SAI
11h 05m
1 stop
Multiple Airlines Logo
21:45 - 08:15
SAI
-
SYD
31h 30m
1 stop
$995Multiple Airlines
Thu, 3 Sep - Fri, 11 Sep
VietJet Air Logo
10:15 - 18:05
SYD
-
SAI
58h 50m
2 stops
VietJet Air Logo
19:05 - 07:20
SAI
-
SYD
57h 15m
2 stops
$1,053VietJet Air
Thu, 3 Sep - Fri, 11 Sep
Multiple Airlines Logo
10:15 - 18:05
SYD
-
SAI
34h 50m
2 stops
Multiple Airlines Logo
15:35 - 08:20
SAI
-
SYD
13h 45m
1 stop
$1,096Multiple Airlines
Thu, 3 Sep - Fri, 11 Sep
Multiple Airlines Logo
20:35 - 09:40
SYD
-
SAI
16h 05m
1 stop
Multiple Airlines Logo
19:05 - 19:20
SAI
-
SYD
45h 15m
3 stops
$1,107Multiple Airlines
Wed, 22 Jul - Sat, 22 Aug
Vietnam Airlines Logo
10:15 - 08:45
SYD
-
SAI
25h 30m
1 stop
Vietnam Airlines Logo
18:05 - 08:15
SAI
-
SYD
35h 10m
2 stops
$1,136Vietnam Airlines
Mon, 24 Aug - Tue, 8 Sep
Multiple Airlines Logo
10:15 - 18:20
SYD
-
SAI
11h 05m
1 stop
Multiple Airlines Logo
19:10 - 07:20
SAI
-
SYD
33h 10m
1 stop
$1,175Multiple Airlines
Mon, 24 Aug - Tue, 8 Sep
Vietnam Airlines Logo
10:15 - 17:10
SYD
-
SAI
33h 55m
2 stops
Vietnam Airlines Logo
18:05 - 08:15
SAI
-
SYD
35h 10m
2 stops
$1,259Vietnam Airlines
Mon, 24 Aug - Tue, 8 Sep
Multiple Airlines Logo
20:50 - 16:35
SYD
-
SAI
22h 45m
1 stop
Multiple Airlines Logo
15:35 - 08:20
SAI
-
SYD
13h 45m
1 stop
$1,294Multiple Airlines
Wed, 1 Jul - Thu, 9 Jul

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Vietnam Airlines flights from Sydney to Region of Siem Reap

Our best Vietnam Airlines deals on Sydney to Region of Siem Reap flight tickets
Vietnam Airlines
22 July
SYD10:15Sydney Kingsford Smith
11h 05m
1 stop
SAI18:20Siem Reap–Angkor Intl
22 Aug
SAI22:35Siem Reap–Angkor Intl
30h 40m
1 stop
SYD08:15Sydney Kingsford Smith
$930
Vietnam Airlines
24 Aug
SYD10:15Sydney Kingsford Smith
25h 30m
1 stop
SAI08:45Siem Reap–Angkor Intl
8 Sept
SAI18:05Siem Reap–Angkor Intl
35h 10m
2 stops
SYD08:15Sydney Kingsford Smith
$1,136
Vietnam Airlines
24 Aug
SYD10:15Sydney Kingsford Smith
33h 55m
2 stops
SAI17:10Siem Reap–Angkor Intl
8 Sept
SAI18:05Siem Reap–Angkor Intl
35h 10m
2 stops
SYD08:15Sydney Kingsford Smith
$1,259

VietJet Air flights from Sydney to Region of Siem Reap

Our best VietJet Air deals on Sydney to Region of Siem Reap flight tickets
VietJet Air
3 Sept
SYD10:15Sydney Kingsford Smith
58h 50m
2 stops
SAI18:05Siem Reap–Angkor Intl
11 Sept
SAI19:05Siem Reap–Angkor Intl
57h 15m
2 stops
SYD07:20Sydney Kingsford Smith
$1,053
VietJet Air
1 Oct
SYD10:15Sydney Kingsford Smith
34h 50m
2 stops
SAI18:05Siem Reap–Angkor Intl
10 Oct
SAI19:05Siem Reap–Angkor Intl
33h 15m
2 stops
SYD08:20Sydney Kingsford Smith
$1,314

momondo Fare Finder

 
Customise your flight search to find flights from Sydney to Region of Siem Reap 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, momondo users made 78,305 searches. Data last updated 18 June 2026.
Use the filters below to find and compare flights from Sydney to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Wed 22/7

20:35-14:50

2 stops21h 15m

Siem Reap–Angkor Intl

Sat 22/8

22:35-10:10

1 stop32h 35m

$906

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Wed 22/7

10:15-18:20

1 stop11h 05m

Siem Reap–Angkor Intl

Sat 22/8

22:35-08:15

1 stop30h 40m

$930

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Thu 3/9

10:15-18:20

1 stop11h 05m

Siem Reap–Angkor Intl

Fri 11/9

21:45-08:15

1 stop31h 30m

$995

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Thu 3/9

10:15-18:05

2 stops58h 50m

Siem Reap–Angkor Intl

Fri 11/9

19:05-07:20

2 stops57h 15m

$1,053

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Thu 3/9

10:15-18:05

2 stops34h 50m

Siem Reap–Angkor Intl

Fri 11/9

15:35-08:20

1 stop13h 45m

$1,096

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Wed 22/7

20:35-09:40

1 stop16h 05m

Siem Reap–Angkor Intl

Sat 22/8

19:05-19:20

3 stops45h 15m

$1,107

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Mon 24/8

10:15-08:45

1 stop25h 30m

Siem Reap–Angkor Intl

Tue 8/9

18:05-08:15

2 stops35h 10m

$1,136

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Mon 24/8

10:15-18:20

1 stop11h 05m

Siem Reap–Angkor Intl

Tue 8/9

19:10-07:20

1 stop33h 10m

$1,175

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Mon 24/8

10:15-17:10

2 stops33h 55m

Siem Reap–Angkor Intl

Tue 8/9

18:05-08:15

2 stops35h 10m

$1,259
Fastest return journey

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Wed 1/7

20:50-16:35

1 stop22h 45m

Siem Reap–Angkor Intl

Thu 9/7

15:35-08:20

1 stop13h 45m

$1,294

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Siem Reap from

How to get the cheapest flight ticket from Sydney to Region of Siem Reap

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Region of Siem Reap?

The cheapest month to fly to Region of Siem Reap from Sydney is in April. Flight prices, which tend to average around $454, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Region of Siem Reap from Sydney during March instead. Flights to Region of Siem Reap in March, while not as cheap as those in April, still average around $627.

Can stopping save me money on Sydney to Region of Siem Reap flights?

You could potentially save up to 6% on your flight if you consider stops on a Sydney to Region of Siem Reap flight.

Cheap Sydney to Region of Siem Reap flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sydney to Region of Siem Reap

Fastest flight time

11h 05m

Direct flights

None
The fastest flight from Sydney to Region of Siem Reap takes 11h 05m
There are no direct flights from Sydney to Region of Siem Reap. There are no popular flight routes from Sydney to Region of Siem Reap.
Search flight deals

Frequently asked questions about flying from Sydney to Siem Reap

  • When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Siem Reap?

    Prices for flights from Sydney Kingsford Smith Airport to Siem Reap refresh daily.

  • How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Siem Reap?

  • How old do you have to be to fly from Sydney Kingsford Smith Airport to Siem Reap?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Siem Reap.

  • What documentation or ID do you need to fly to Siem Reap?

    The necessary travel and health documents for your Siem Reap trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Sydney to Region of Siem Reap

Compare and see reviews for airlines that fly from Sydney to Region of Siem Reap with momondo
Airline
Rating
Free cancellation
Price
Vietnam AirlinesPriceFrom $783Free cancellationRating
7.7
272 reviews
Search Vietnam Airlines flights
Singapore AirlinesPriceFrom $814Free cancellationRating
8.2
1,545 reviews
Search Singapore Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Sydney to Siem Reap?

Finding the right flight to Siem Reap from Sydney is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Siem Reap quick and easy, saving you time and money.

Can I find flights from Sydney to Siem Reap with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Siem Reap from Sydney with this policy.

How can momondo help me find flights from Sydney to Siem Reap?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Siem Reap from Sydney.

I’m not ready to book a flight from Sydney to Siem Reap right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Sydney to Siem Reap now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Siem Reap and let you know when they change.

An easier way to manage your Region of Siem Reap trip

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