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December Find cheap flights to Phnom Penh

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Find the cheapest flights from Australia to Phnom Penh

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SYD-PNH
11317 kmmulti-stop
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PNH-SYD
11317 kmmulti-stop
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MEL-PNH
11060 kmmulti-stop
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PNH-MEL
11060 kmmulti-stop
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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 July is, on average, the cheapest month to fly to Phnom Penh from Australia, with most prices found around $807. If you don’t want to visit Phnom Penh in July, then you should wait until February to fly from Australia, when ticket prices are also cheap, with an average price of $824.

What is the cheapest day to depart on your flight to Phnom Penh?

Our data shows that Tuesday is the least expensive day to fly to Phnom Penh. Tickets to fly out on this day can be as low as $995. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,193. These prices are subject to change though, so be sure to set up a Price Alert for flights to Phnom Penh.

What is the cheapest time of day to depart on your flight to Phnom Penh?

Our most recent data shows that the best time of day to fly to Phnom Penh is at midday. Flights from Australia to Phnom Penh during this time can be as low as $869. Flights to Phnom Penh are more costly in the evening, with an average ticket price of $1,102. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $1,008 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 $807 on momondo.

Cheapest flights to Phnom Penh Pochentong

Find the cheapest flights to Phnom Penh Pochentong from your nearest city or airport
Find flights from Sydney to Phnom Penh
CHEAPEST MONTH TO FLY TO PHNOM PENH FROM SYDNEYJuly20% cheaperFlying from Sydney to Phnom Penh costs on average just $807 in July
MOST EXPENSIVE MONTH TO FLY TO PHNOM PENH FROM SYDNEYDecember61% more expensiveIt costs about $1,625 for flights to Phnom Penh from Sydney in December
MOST POPULAR MONTH TO FLY TO PHNOM PENH FROM SYDNEYDecember610% 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

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December
December has the highest demand for flights to Phnom Penh, with a 22% price increase on average.
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Frequently asked questions about flying to Phnom Penh

What is there to do in Phnom Penh when it’s raining?

If you are planning a flight to Phnom Penh and are looking to avoid the rain, you should avoid traveling during the months of May, June, and July. These months will typically see 5.1 inches or more of rain, meaning that rain is likely. If you do run into rain while in Phnom Penh, there are still things to do and ways to enjoy your trip. While in Phnom Penh you will find National Museum of Cambodia nearby which is a great museum to visit when you’re looking for things to do indoors.

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

Most flyers found that booking tickets 88 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 $1,008.

Is there an alternative airport near Phnom Penh?

Phnom Penh Techo Intl Airport can be an alternative airport used for travel to Phnom Penh.

Is there a cheaper alternative to flying into Phnom Penh?

Prices vary based on where travellers are departing from, but on average, the cheapest airport to fly to in Phnom Penh is Phnom Penh Techo Intl Airport where the average price is $186. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

What is the absolute cheapest flight to Phnom Penh?

The best deal found on momondo in the last two weeks was a flight to Phnom Penh from Kuala Lumpur for $183. This is 2% cheaper than most flight deals to Phnom Penh. To find the cheapest price to Phnom Penh from your area, use momondo’s Airport-to-Airport Pricing Tool.

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

Prices for flights to Phnom Penh Pochentong Airport were last updated today.

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

As of October 2025, there are 17 operators available to choose from for flights to Phnom Penh Pochentong Airport.

How old do you have to be to fly to Phnom Penh Pochentong Airport?

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 to Phnom Penh Pochentong Airport.

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

The necessary travel and health documents for your Phnom Penh Pochentong 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 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?

Yes. momondo allows you to filter the results for flights to Phnom Penh to just show those with flexible booking policies.

How can momondo help me find flights to Phnom Penh?

Once you have performed a search for flights to Phnom Penh, 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 Phnom Penh right now. Can momondo alert me if prices change?

Yes. momondo can track flight prices for Phnom Penh and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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