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Find the cheapest flights from Australia to Phnom Penh

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SYD
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KTI
11282 kmmulti-stop
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KTI
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SYD
11282 kmmulti-stop
Multiple Airlines
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MEL
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KTI
11024 kmmulti-stop
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KTI
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MEL
11024 kmmulti-stop
Multiple Airlines

See travel insights to Phnom Penh from

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 $781. 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 $837.

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 $1,102 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 $906 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 SYDNEYFebruary30% cheaperFlying from Sydney to Phnom Penh costs on average just $781 in February
MOST EXPENSIVE MONTH TO FLY TO PHNOM PENH FROM SYDNEYDecember64% more expensiveIt costs about $1,809 for flights to Phnom Penh from Sydney in December
MOST POPULAR MONTH TO FLY TO PHNOM PENH FROM SYDNEYDecember330% 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

Popular in

December
December has the highest demand for flights to Phnom Penh, with a 16% price increase on average.
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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 $1,102. 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 $512.

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 12 as of July 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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