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Cheap flights from Sydney to Siem Reap from $487

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 28/4. 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

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Cheap return flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
16:10 - 15:55
SYD
-
SAI
27h 45m
1 stop
Singapore Airlines Logo
10:45 - 17:55
SAI
-
SYD
27h 10m
1 stop
$855Singapore Airlines
Wed, 4 Mar - Wed, 18 Mar
Singapore Airlines Logo
16:10 - 15:55
SYD
-
SAI
27h 45m
1 stop
Singapore Airlines Logo
10:45 - 21:15
SAI
-
SYD
30h 30m
1 stop
$894Singapore Airlines
Wed, 4 Mar - Wed, 18 Mar
Multiple Airlines Logo
14:00 - 09:15
SYD
-
SAI
23h 15m
2 stops
Multiple Airlines Logo
14:55 - 12:45
SAI
-
SYD
17h 50m
2 stops
$998Multiple Airlines
Sun, 29 Mar - Sat, 4 Apr
Multiple Airlines Logo
20:20 - 14:10
SYD
-
SAI
45h 50m
3 stops
Multiple Airlines Logo
14:55 - 12:45
SAI
-
SYD
17h 50m
2 stops
$1,027Multiple Airlines
Sun, 29 Mar - Sat, 4 Apr
Multiple Airlines Logo
21:35 - 09:15
SYD
-
SAI
15h 40m
2 stops
Multiple Airlines Logo
14:55 - 09:20
SAI
-
SYD
14h 25m
1 stop
$1,085Multiple Airlines
Sun, 29 Mar - Sat, 4 Apr
Singapore Airlines Logo
07:25 - 15:10
SYD
-
SAI
34h 45m
1 stop
Singapore Airlines Logo
10:30 - 06:05
SAI
-
SYD
16h 35m
1 stop
$1,117Singapore Airlines
Thu, 25 Jun - Mon, 13 Jul
Singapore Airlines Logo
07:25 - 15:10
SYD
-
SAI
34h 45m
1 stop
Singapore Airlines Logo
10:30 - 16:45
SAI
-
SYD
27h 15m
1 stop
$1,144Singapore Airlines
Thu, 25 Jun - Mon, 13 Jul
Multiple Airlines Logo
21:50 - 09:15
SYD
-
SAI
15h 25m
1 stop
Multiple Airlines Logo
14:55 - 09:20
SAI
-
SYD
14h 25m
1 stop
$1,162Multiple Airlines
Sun, 29 Mar - Sat, 4 Apr
VietJet Air Logo
10:15 - 18:05
SYD
-
SAI
34h 50m
2 stops
VietJet Air Logo
19:05 - 07:20
SAI
-
SYD
33h 15m
2 stops
$1,176VietJet Air
Thu, 25 Jun - Mon, 13 Jul
VietJet Air Logo
10:15 - 18:05
SYD
-
SAI
34h 50m
2 stops
VietJet Air Logo
19:05 - 07:20
SAI
-
SYD
33h 15m
2 stops
$1,179VietJet Air
Thu, 25 Jun - Mon, 13 Jul

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
25 June
SYD10:15Sydney Kingsford Smith
34h 50m
2 stops
SAI18:05Siem Reap–Angkor Intl
13 July
SAI19:05Siem Reap–Angkor Intl
33h 15m
2 stops
SYD07:20Sydney Kingsford Smith
$1,176
VietJet Air
25 June
SYD10:15Sydney Kingsford Smith
34h 50m
2 stops
SAI18:05Siem Reap–Angkor Intl
13 July
SAI19:05Siem Reap–Angkor Intl
33h 15m
2 stops
SYD07:20Sydney Kingsford Smith
$1,179
VietJet Air
2 Apr
SYD11:15Sydney Kingsford Smith
34h 50m
2 stops
SAI18:05Siem Reap–Angkor Intl
14 Apr
SAI19:05Siem Reap–Angkor Intl
33h 15m
2 stops
SYD07:20Sydney Kingsford Smith
$1,825

China Eastern flights from Sydney to Region of Siem Reap

Our best China Eastern deals on Sydney to Region of Siem Reap flight tickets
China Eastern
25 June
SYD11:00Sydney Kingsford Smith
36h 10m
3 stops
SAI20:10Siem Reap–Angkor Intl
13 July
SAI21:10Siem Reap–Angkor Intl
31h 50m
2 stops
SYD08:00Sydney Kingsford Smith
$1,743
China Eastern
25 June
SYD11:00Sydney Kingsford Smith
36h 10m
3 stops
SAI20:10Siem Reap–Angkor Intl
13 July
SAI21:10Siem Reap–Angkor Intl
31h 50m
2 stops
SYD08:00Sydney Kingsford Smith
$1,799
China Eastern
6 Feb
SYD10:30Sydney Kingsford Smith
38h 30m
3 stops
SAI21:00Siem Reap–Angkor Intl
14 Feb
SAI22:00Siem Reap–Angkor Intl
32h 00m
3 stops
SYD10:00Sydney Kingsford Smith
$2,429

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 29 January 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

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Wed 4/3

16:10-15:55

1 stop27h 45m

Siem Reap–Angkor Intl

Wed 18/3

10:45-17:55

1 stop27h 10m

$855

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Wed 4/3

16:10-15:55

1 stop27h 45m

Siem Reap–Angkor Intl

Wed 18/3

10:45-21:15

1 stop30h 30m

$894

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Sun 29/3

14:00-09:15

2 stops23h 15m

Siem Reap–Angkor Intl

Sat 4/4

14:55-12:45

2 stops17h 50m

$998

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Sun 29/3

20:20-14:10

3 stops45h 50m

Siem Reap–Angkor Intl

Sat 4/4

14:55-12:45

2 stops17h 50m

$1,027

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Sun 29/3

21:35-09:15

2 stops15h 40m

Siem Reap–Angkor Intl

Sat 4/4

14:55-09:20

1 stop14h 25m

$1,085

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Thu 25/6

07:25-15:10

1 stop34h 45m

Siem Reap–Angkor Intl

Mon 13/7

10:30-06:05

1 stop16h 35m

$1,117

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Thu 25/6

07:25-15:10

1 stop34h 45m

Siem Reap–Angkor Intl

Mon 13/7

10:30-16:45

1 stop27h 15m

$1,144

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Sun 29/3

21:50-09:15

1 stop15h 25m

Siem Reap–Angkor Intl

Sat 4/4

14:55-09:20

1 stop14h 25m

$1,162

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Thu 25/6

10:15-18:05

2 stops34h 50m

Siem Reap–Angkor Intl

Mon 13/7

19:05-07:20

2 stops33h 15m

$1,176

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Thu 25/6

10:15-18:05

2 stops34h 50m

Siem Reap–Angkor Intl

Mon 13/7

19:05-07:20

2 stops33h 15m

$1,179

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 August. Flight prices, which tend to average around $774, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of August, then book flights to Region of Siem Reap from Sydney during October instead. Flights to Region of Siem Reap in October, while not as cheap as those in August, still average around $790.

How far in advance should I book a flight to Region of Siem Reap?

You are more likely to see cheaper flights to Region of Siem Reap from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Siem Reap for around $1,109 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Siem Reap from Sydney for as low as $672 on momondo.

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

You could potentially save up to 42% 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 00m

Direct flights

None
The fastest flight from Sydney to Region of Siem Reap takes 11h 00m
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

  • 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 $706Free cancellationRating
7.6
224 reviews
Search Vietnam Airlines flights
Singapore AirlinesPriceFrom $820Free cancellationRating
8.2
1,440 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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