Look for other cheap flights to Siem Reap–Angkor Intl

$270 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 9/2. 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
20:40 - 15:00
PER
-
SAI
19h 20m
1 stop
Multiple Airlines Logo
18:10 - 04:30
SAI
-
PER
9h 20m
1 stop
$548Multiple Airlines
Sun, 1 Mar - Sun, 8 Mar
Multiple Airlines Logo
13:10 - 13:55
MEL
-
SAI
28h 45m
2 stops
Multiple Airlines Logo
10:10 - 05:40
SAI
-
MEL
15h 30m
2 stops
$738Multiple Airlines
Thu, 5 Mar - Mon, 9 Mar
Multiple Airlines Logo
20:05 - 10:00
SYD
-
SAI
17h 55m
2 stops
Multiple Airlines Logo
11:00 - 12:20
SAI
-
SYD
21h 20m
2 stops
$749Multiple Airlines
Mon, 2 Mar - Thu, 12 Mar
Singapore Airlines Logo
18:25 - 09:40
MEL
-
SAI
18h 15m
1 stop
Singapore Airlines Logo
10:30 - 11:00
SAI
-
MEL
21h 30m
1 stop
$806Singapore Airlines
Thu, 14 May - Thu, 21 May
VietJet Air Logo
00:30 - 18:05
MEL
-
SAI
20h 35m
2 stops
VietJet Air Logo
19:05 - 22:35
SAI
-
MEL
24h 30m
2 stops
$822VietJet Air
Wed, 13 May - Thu, 21 May
Singapore Airlines Logo
16:10 - 15:55
SYD
-
SAI
27h 45m
1 stop
Singapore Airlines Logo
10:45 - 11:50
SAI
-
SYD
21h 05m
1 stop
$867Singapore Airlines
Wed, 4 Mar - Wed, 18 Mar
Malaysia Airlines Logo
08:30 - 10:00
BNE
-
SAI
28h 30m
1 stop
Malaysia Airlines Logo
11:00 - 06:25
SAI
-
BNE
16h 25m
1 stop
$1,190Malaysia Airlines
Wed, 11 Feb - Thu, 26 Feb
Malaysia Airlines Logo
08:30 - 10:00
BNE
-
SAI
28h 30m
1 stop
Malaysia Airlines Logo
11:00 - 00:15
SAI
-
BNE
34h 15m
2 stops
$1,203Malaysia Airlines
Wed, 11 Feb - Thu, 26 Feb
Vietnam Airlines Logo
00:45 - 16:55
PER
-
SAI
41h 10m
2 stops
Vietnam Airlines Logo
17:55 - 22:30
SAI
-
PER
27h 35m
2 stops
$1,279Vietnam Airlines
Sat, 28 Feb - Sun, 8 Mar
Vietnam Airlines Logo
00:45 - 16:55
PER
-
SAI
17h 10m
2 stops
Vietnam Airlines Logo
17:55 - 22:30
SAI
-
PER
27h 35m
2 stops
$1,281Vietnam Airlines
Sat, 28 Feb - Sun, 8 Mar

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 16 January 2026.
Use the filters below to find and compare flights to Siem Reap that are best for you.

Fly from

Route

Depart

Return

Price

PerthSiem Reap

PER - SAI

PERSAI

Perth

Sun 1/3

20:40-15:00

1 stop19h 20m

Siem Reap–Angkor Intl

Sun 8/3

18:10-04:30

1 stop9h 20m

$548

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Thu 5/3

13:10-13:55

2 stops28h 45m

Siem Reap–Angkor Intl

Mon 9/3

10:10-05:40

2 stops15h 30m

$738

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Mon 2/3

20:05-10:00

2 stops17h 55m

Siem Reap–Angkor Intl

Thu 12/3

11:00-12:20

2 stops21h 20m

$749

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Thu 14/5

18:25-09:40

1 stop18h 15m

Siem Reap–Angkor Intl

Thu 21/5

10:30-11:00

1 stop21h 30m

$806

MelbourneSiem Reap

MEL - SAI

MELSAI

Melbourne

Wed 13/5

00:30-18:05

2 stops20h 35m

Siem Reap–Angkor Intl

Thu 21/5

19:05-22:35

2 stops24h 30m

$822

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

10:45-11:50

1 stop21h 05m

$867

BrisbaneSiem Reap

BNE - SAI

BNESAI

Brisbane

Wed 11/2

08:30-10:00

1 stop28h 30m

Siem Reap–Angkor Intl

Thu 26/2

11:00-06:25

1 stop16h 25m

$1,190

BrisbaneSiem Reap

BNE - SAI

BNESAI

Brisbane

Wed 11/2

08:30-10:00

1 stop28h 30m

Siem Reap–Angkor Intl

Thu 26/2

11:00-00:15

2 stops34h 15m

$1,203

PerthSiem Reap

PER - SAI

PERSAI

Perth

Sat 28/2

00:45-16:55

2 stops41h 10m

Siem Reap–Angkor Intl

Sun 8/3

17:55-22:30

2 stops27h 35m

$1,279

PerthSiem Reap

PER - SAI

PERSAI

Perth

Sat 28/2

00:45-16:55

2 stops17h 10m

Siem Reap–Angkor Intl

Sun 8/3

17:55-22:30

2 stops27h 35m

$1,281

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 August. Flight prices, which tend to average around $810, 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 Siem Reap from Australia during October instead. Flights to Siem Reap in October, while not as cheap as those in August, still average around $826.

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

You are more likely to see cheaper flights to Siem Reap from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Siem Reap for around $1,160 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Siem Reap from Australia for as low as $704 on momondo.

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 SYDNEYAugust31% cheaperFlying from Sydney to Siem Reap costs on average just $810 in August
MOST EXPENSIVE MONTH TO FLY TO SIEM REAP FROM SYDNEYApril66% more expensiveIt costs about $1,929 for flights to Siem Reap from Sydney in April
MOST POPULAR MONTH TO FLY TO SIEM REAP FROM SYDNEYDecember450% 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

$270

Best Round-Trip Price

$548

Fastest flight time

22h 45m

Popular in

April
The best one-way flight price to Siem Reap from Australia in the last 72 hours is $270 (Perth to Siem Reap–Angkor Intl).
The best round-trip flight price to Siem Reap from Australia in the last 72 hours is $548 (Perth to Siem Reap–Angkor Intl).
The fastest flight to Siem Reap from Australia takes 22h 45m (Perth to Siem Reap–Angkor Intl).
April has the highest demand for flights to Siem Reap, with a 13% price increase on average.

Frequently asked questions about flying to Siem Reap

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

We recommend purchasing flights from Australia to Siem Reap 40 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Siem Reap for $1,160. Keep in mind that you might be able to find cheaper flights to Siem Reap at any time. In fact, our users found flights for as low as $744 in the past 72 hours.

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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