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Look for other cheap flights to Phnom Penh Techo Intl

$248 Cheap flights to Phnom Penh

1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Australia to Phnom Penh

Cheap return flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
06:40 - 13:45PER  Perth-KTI Phnom Penh Techo Intl
8h 05m1 stop Singapore Changi
Singapore Airlines Logo
19:40 - 05:25KTI  Phnom Penh Techo Intl-PER Perth
8h 45m1 stop Singapore Changi
$629Singapore Airlines
Fri, 26 Feb - Fri, 26 Mar
Singapore Airlines Logo
06:40 - 13:45PER  Perth-KTI Phnom Penh Techo Intl
8h 05m1 stop Singapore Changi
Singapore Airlines Logo
14:40 - 05:25KTI  Phnom Penh Techo Intl-PER Perth
13h 45m1 stop Singapore Changi
$630Singapore Airlines
Fri, 26 Feb - Fri, 26 Mar
China Southern Logo
23:25 - 15:05PER  Perth-KTI Phnom Penh Techo Intl
16h 40m1 stop Guangzhou Baiyun
China Southern Logo
08:00 - 21:35KTI  Phnom Penh Techo Intl-PER Perth
12h 35m1 stop Guangzhou Baiyun
$682China Southern
Thu, 5 Nov - Thu, 12 Nov
Multiple Airlines Logo
23:15 - 09:45PER  Perth-KTI Phnom Penh Techo Intl
11h 30m1 stop Kuala Lumpur Intl
Multiple Airlines Logo
17:25 - 05:50KTI  Phnom Penh Techo Intl-PER Perth
11h 25m1 stop Kuala Lumpur Intl
$709Multiple Airlines
Mon, 19 Oct - Thu, 12 Nov
China Southern Logo
23:25 - 10:50PER  Perth-KTI Phnom Penh Techo Intl
12h 25m1 stop Guangzhou Baiyun
China Southern Logo
08:00 - 21:35KTI  Phnom Penh Techo Intl-PER Perth
12h 35m1 stop Guangzhou Baiyun
$718China Southern
Wed, 3 Feb - Wed, 24 Feb
Multiple Airlines Logo
20:40 - 21:55PER  Perth-KTI Phnom Penh Techo Intl
26h 15m2 stops Denpasar Bali Ngurah Rai Kuala Lumpur Intl
Multiple Airlines Logo
10:35 - 05:25KTI  Phnom Penh Techo Intl-PER Perth
17h 50m1 stop Bangkok Suvarnabhumi
$732Multiple Airlines
Fri, 26 Feb - Fri, 26 Mar
Vietnam Airlines Logo
11:15 - 16:55SYD  Sydney Kingsford Smith-KTI Phnom Penh Techo Intl
33h 40m1 stop Ho Chi Minh City
Vietnam Airlines Logo
17:30 - 13:15KTI  Phnom Penh Techo Intl-SYD Sydney Kingsford Smith
15h 45m2 stops Vientiane Wattay Hanoi Noibai
$825Vietnam Airlines
Wed, 21 Oct - Tue, 3 Nov
Vietnam Airlines Logo
00:50 - 13:00MEL  Melbourne-KTI Phnom Penh Techo Intl
16h 10m2 stops Hanoi Noibai Vientiane Wattay
Vietnam Airlines Logo
20:00 - 22:50KTI  Phnom Penh Techo Intl-MEL Melbourne
22h 50m1 stop Hanoi Noibai
$846Vietnam Airlines
Thu, 5 Nov - Mon, 23 Nov
Shenzhen Airlines Logo
22:15 - 10:40MEL  Melbourne-KTI Phnom Penh Techo Intl
16h 25m1 stop Shenzhen
Shenzhen Airlines Logo
11:40 - 13:00KTI  Phnom Penh Techo Intl-MEL Melbourne
21h 20m1 stop Shenzhen
$848Shenzhen Airlines
Fri, 6 Nov - Sat, 21 Nov
Shenzhen Airlines Logo
22:15 - 10:40MEL  Melbourne-KTI Phnom Penh Techo Intl
16h 25m1 stop Shenzhen
Shenzhen Airlines Logo
11:40 - 13:00KTI  Phnom Penh Techo Intl-MEL Melbourne
21h 20m1 stop Shenzhen
$848Shenzhen Airlines
Fri, 13 Nov - Fri, 11 Dec

momondo Fare Finder

 
Use the filters below to find and compare flights to Phnom Penh that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

PerthPhnom Penh

PER Perth - KTI Phnom Penh Techo Intl

PERKTI

Perth

Fri 26/2

06:40-13:45

1 stop8h 05m

Phnom Penh Techo Intl

Fri 26/3

19:40-05:25

1 stop8h 45m

$629

PerthPhnom Penh

PER Perth - KTI Phnom Penh Techo Intl

PERKTI

Perth

Fri 26/2

06:40-13:45

1 stop8h 05m

Phnom Penh Techo Intl

Fri 26/3

14:40-05:25

1 stop13h 45m

$630

PerthPhnom Penh

PER Perth - KTI Phnom Penh Techo Intl

PERKTI

Perth

Thu 5/11

23:25-15:05

1 stop16h 40m

Phnom Penh Techo Intl

Thu 12/11

08:00-21:35

1 stop12h 35m

$682

PerthPhnom Penh

PER Perth - KTI Phnom Penh Techo Intl

PERKTI

Perth

Mon 19/10

23:15-09:45

1 stop11h 30m

Phnom Penh Techo Intl

Thu 12/11

17:25-05:50

1 stop11h 25m

$709

PerthPhnom Penh

PER Perth - KTI Phnom Penh Techo Intl

PERKTI

Perth

Wed 3/2

23:25-10:50

1 stop12h 25m

Phnom Penh Techo Intl

Wed 24/2

08:00-21:35

1 stop12h 35m

$718

PerthPhnom Penh

PER Perth - KTI Phnom Penh Techo Intl

PERKTI

Perth

Fri 26/2

20:40-21:55

2 stops26h 15m

Phnom Penh Techo Intl

Fri 26/3

10:35-05:25

1 stop17h 50m

$732

SydneyPhnom Penh

SYD Sydney Kingsford Smith - KTI Phnom Penh Techo Intl

SYDKTI

Sydney Kingsford Smith

Wed 21/10

11:15-16:55

1 stop33h 40m

Phnom Penh Techo Intl

Tue 3/11

17:30-13:15

2 stops15h 45m

$825

MelbournePhnom Penh

MEL Melbourne - KTI Phnom Penh Techo Intl

MELKTI

Melbourne

Thu 5/11

00:50-13:00

2 stops16h 10m

Phnom Penh Techo Intl

Mon 23/11

20:00-22:50

1 stop22h 50m

$846

MelbournePhnom Penh

MEL Melbourne - KTI Phnom Penh Techo Intl

MELKTI

Melbourne

Fri 6/11

22:15-10:40

1 stop16h 25m

Phnom Penh Techo Intl

Sat 21/11

11:40-13:00

1 stop21h 20m

$848

MelbournePhnom Penh

MEL Melbourne - KTI Phnom Penh Techo Intl

MELKTI

Melbourne

Fri 13/11

22:15-10:40

1 stop16h 25m

Phnom Penh Techo Intl

Fri 11/12

11:40-13:00

1 stop21h 20m

$848

Flights are sorted by cheapest return flights first.

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Phnom Penh flights insights and trends

Explore insights for your Phnom Penh flight to craft the best travel plan

What is the cheapest month to fly to Phnom Penh?

The month of February is, on average, the cheapest month to fly to Phnom Penh from Australia, with most prices found around $778. If you don’t want to visit Phnom Penh in February, then you should wait until May to fly from Australia, when ticket prices are also cheap, with an average price of $834.

How far in advance should I book a flight to Phnom Penh?

You are more likely to see cheaper flights to Phnom Penh from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Phnom Penh for around $1,133 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phnom Penh from Australia for as low as $912 on momondo.

Cheapest flights to Phnom Penh Techo Intl

Find the cheapest flights to Phnom Penh Techo Intl from your nearest city or airport
Find flights from Sydney to Phnom Penh
CHEAPEST MONTH TO FLY TO PHNOM PENH FROM SYDNEYFebruary32% cheaperFlying from Sydney to Phnom Penh costs on average just $778 in February
MOST EXPENSIVE MONTH TO FLY TO PHNOM PENH FROM SYDNEYDecember60% more expensiveIt costs about $1,814 for flights to Phnom Penh from Sydney in December
MOST POPULAR MONTH TO FLY TO PHNOM PENH FROM SYDNEYDecember358% more users visitedMore momondo users searched in flights to Phnom Penh from Sydney in December than any other month

Cheap Phnom Penh flight deals and tips

Summary info about Phnom Penh flight prices, duration and airlines

Best One-Way Price

$332

Best Round-Trip Price

$682

Fastest flight time

13h 40m

Popular in

December
The best one-way flight price to Phnom Penh from Australia in the last 5 days is $332 (Perth to Phnom Penh Techo Intl).
Search Deals
The best return flight price to Phnom Penh from Australia in the last 5 days is $682 (Perth to Phnom Penh Techo Intl).
Search Deals
The fastest flight to Phnom Penh from Australia takes 13h 40m (Perth to Phnom Penh Techo Intl).
Search Deals
December has the highest demand for flights to Phnom Penh, with a 12% price increase on average.
Search Deals

Frequently asked questions about flying to Phnom Penh

How far in advance should I book a flight to Phnom Penh?

Most flyers found that booking tickets 57 days in advance of their planned departure date is the best time to get cheap flights to Phnom Penh. During this timeframe, flight prices are around $1,133. Keep in mind that you might also find cheap flights to Phnom Penh outside of this time window. In fact, momondo users recently found flights from Australia to Phnom Penh for $510.

When did momondo last update prices for flights to Phnom Penh Techo Intl Airport?

Prices for flights to Phnom Penh Techo Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights to Phnom Penh Techo Intl Airport?

The number of operators available for flights to Phnom Penh Techo Intl Airport is 15 as of October 2026.

How old do you have to be to fly to Phnom Penh Techo 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 Phnom Penh Techo Intl Airport.

What documentation or ID do you need to fly to Phnom Penh Techo Intl Airport?

The travel and health documents required for your trip to Phnom Penh Techo Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Phnom Penh Techo Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal to Phnom Penh?

We help find the flight that best suits your needs; momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight for you.

Can I find flights to Phnom Penh with flexible booking policies on momondo?

All flight searches to Phnom Penh on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights to Phnom Penh?

momondo helps you find the best flight to Phnom Penh by providing filters to narrow your choice of flights to those matching your criteria. You can select fights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Phnom Penh are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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