Look for other cheap flights to Siem Reap–Angkor Intl

$385 Cheap flights to Siem Reap

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Siem Reap departing on 7/10. 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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Find the cheapest flights from Australia to Siem Reap

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
04:45 - 14:50
PER
-
SAI
11h 05m
1 stop
Multiple Airlines Logo
15:35 - 03:45
SAI
-
PER
11h 10m
1 stop
$620Multiple Airlines
Thu, 20 Aug - Thu, 10 Sep
Multiple Airlines Logo
20:50 - 14:50
PER
-
SAI
19h 00m
1 stop
Multiple Airlines Logo
15:35 - 03:45
SAI
-
PER
11h 10m
1 stop
$687Multiple Airlines
Fri, 21 Aug - Thu, 10 Sep
Multiple Airlines Logo
17:20 - 14:50
PER
-
SAI
22h 30m
1 stop
Multiple Airlines Logo
19:05 - 19:50
SAI
-
PER
23h 45m
2 stops
$707Multiple Airlines
Fri, 21 Aug - Thu, 10 Sep
Vietnam Airlines Logo
10:15 - 18:20
SYD
-
SAI
11h 05m
1 stop
Vietnam Airlines Logo
21:45 - 08:15
SAI
-
SYD
31h 30m
1 stop
$875Vietnam Airlines
Fri, 5 Jun - Fri, 12 Jun
Vietnam Airlines Logo
10:15 - 21:55
SYD
-
SAI
14h 40m
1 stop
Vietnam Airlines Logo
22:35 - 08:15
SAI
-
SYD
30h 40m
1 stop
$882Vietnam Airlines
Sun, 31 May - Tue, 9 Jun
Vietnam Airlines Logo
10:15 - 18:20
SYD
-
SAI
11h 05m
1 stop
Vietnam Airlines Logo
18:55 - 08:15
SAI
-
SYD
34h 20m
1 stop
$891Vietnam Airlines
Sun, 31 May - Thu, 11 Jun
Singapore Airlines Logo
05:55 - 09:40
MEL
-
SAI
30h 45m
1 stop
Singapore Airlines Logo
10:30 - 04:40
SAI
-
MEL
15h 10m
1 stop
$1,009Singapore Airlines
Sat, 18 Jul - Fri, 24 Jul
Singapore Airlines Logo
18:10 - 09:40
BNE
-
SAI
18h 30m
1 stop
Singapore Airlines Logo
10:30 - 10:20
SAI
-
BNE
20h 50m
1 stop
$1,126Singapore Airlines
Fri, 8 May - Fri, 12 Jun
Singapore Airlines Logo
18:10 - 09:40
BNE
-
SAI
18h 30m
1 stop
Singapore Airlines Logo
16:00 - 10:20
SAI
-
BNE
39h 20m
1 stop
$1,142Singapore Airlines
Fri, 8 May - Fri, 19 Jun
Singapore Airlines Logo
09:10 - 09:40
ADL
-
SAI
27h 00m
1 stop
Singapore Airlines Logo
16:00 - 16:20
SAI
-
ADL
21h 50m
1 stop
$1,543Singapore Airlines
Tue, 23 Jun - Sun, 26 Jul

momondo Fare Finder

 
Locate flights to Siem Reap–Angkor Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 78,305 searches and data was last updated on 24 April 2026.
Use the filters below to find and compare flights to Siem Reap that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

PerthSiem Reap

PER - SAI

PERSAI

Perth

Thu 20/8

04:45-14:50

1 stop11h 05m

Siem Reap–Angkor Intl

Thu 10/9

15:35-03:45

1 stop11h 10m

$620

PerthSiem Reap

PER - SAI

PERSAI

Perth

Fri 21/8

20:50-14:50

1 stop19h 00m

Siem Reap–Angkor Intl

Thu 10/9

15:35-03:45

1 stop11h 10m

$687

PerthSiem Reap

PER - SAI

PERSAI

Perth

Fri 21/8

17:20-14:50

1 stop22h 30m

Siem Reap–Angkor Intl

Thu 10/9

19:05-19:50

2 stops23h 45m

$707

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Fri 5/6

10:15-18:20

1 stop11h 05m

Siem Reap–Angkor Intl

Fri 12/6

21:45-08:15

1 stop31h 30m

$875

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Sun 31/5

10:15-21:55

1 stop14h 40m

Siem Reap–Angkor Intl

Tue 9/6

22:35-08:15

1 stop30h 40m

$882

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Sun 31/5

10:15-18:20

1 stop11h 05m

Siem Reap–Angkor Intl

Thu 11/6

18:55-08:15

1 stop34h 20m

$891

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Sat 18/7

05:55-09:40

1 stop30h 45m

Siem Reap–Angkor Intl

Fri 24/7

10:30-04:40

1 stop15h 10m

$1,009

BrisbaneSiem Reap

BNE - SAI

BNESAI

Brisbane

Fri 8/5

18:10-09:40

1 stop18h 30m

Siem Reap–Angkor Intl

Fri 12/6

10:30-10:20

1 stop20h 50m

$1,126

BrisbaneSiem Reap

BNE - SAI

BNESAI

Brisbane

Fri 8/5

18:10-09:40

1 stop18h 30m

Siem Reap–Angkor Intl

Fri 19/6

16:00-10:20

1 stop39h 20m

$1,142

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Tue 23/6

09:10-09:40

1 stop27h 00m

Siem Reap–Angkor Intl

Sun 26/7

16:00-16:20

1 stop21h 50m

$1,543

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Siem Reap from

Siem Reap flights insights and trends

Explore insights for your Siem Reap flight to craft the best travel plan

What is the cheapest month to fly to Siem Reap?

The cheapest month to fly to Siem Reap from Australia is in September. Flight prices, which tend to average around $770, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Siem Reap from Australia during August instead. Flights to Siem Reap in August, while not as cheap as those in September, still average around $774.

Cheapest flights to Siem Reap–Angkor Intl

Find the cheapest flights to Siem Reap–Angkor Intl from your nearest city or airport
CHEAPEST MONTH TO FLY TO SIEM REAP FROM SYDNEYSeptember26% cheaperFlying from Sydney to Siem Reap costs on average just $770 in September
MOST EXPENSIVE MONTH TO FLY TO SIEM REAP FROM SYDNEYDecember58% more expensiveIt costs about $1,641 for flights to Siem Reap from Sydney in December
MOST POPULAR MONTH TO FLY TO SIEM REAP FROM SYDNEYDecember585% more users visitedMore momondo users searched in flights to Siem Reap from Sydney in December than any other month

Cheap Siem Reap flight deals and tips

Summary info about Siem Reap flight prices, duration and airlines

Best One-Way Price

$385

Best Round-Trip Price

$620

Fastest flight time

15h 45m

Popular in

December
The best one-way flight price to Siem Reap from Australia in the last 72 hours is $385 (Melbourne to Siem Reap–Angkor Intl).
The best round-trip flight price to Siem Reap from Australia in the last 72 hours is $620 (Perth to Siem Reap–Angkor Intl).
The fastest flight to Siem Reap from Australia takes 15h 45m (Melbourne to Siem Reap–Angkor Intl).
December has the highest demand for flights to Siem Reap, with a 1% price increase on average.

Frequently asked questions about flying to Siem Reap

When did momondo last update prices for flights to Siem Reap–Angkor Intl Airport?

Prices for flights to Siem Reap–Angkor Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights to Siem Reap–Angkor Intl Airport?

How old do you have to be to fly to Siem Reap–Angkor Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to Siem Reap–Angkor Intl Airport.

What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?

The necessary travel and health documents for your Siem Reap–Angkor Intl Airport 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.

Why use momondo?

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

It is quick and easy to find flights to Siem Reap on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Siem Reap that suits you.

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

Yes. All flights to Siem Reap on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights to Siem Reap?

Once you have performed a search for flights to Siem Reap, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Siem Reap. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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