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Cheap flights from Sydney to Phnom Penh

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Flight deals from Sydney to Phnom Penh

Looking for a cheap last-minute deal or the best round-trip flight from Sydney to Phnom Penh? Find the lowest prices on one-way and round-trip tickets right here.
Phnom Penh.C$610 per passenger.Departing Tue, Nov 18, returning Sun, Nov 30.Round-trip flight with AirAsia X and AirAsia Cambodia.Outbound indirect flight with AirAsia X, departing from Sydney on Tue, Nov 18, arriving in Phnom Penh.Inbound indirect flight with AirAsia Cambodia, departing from Phnom Penh on Sun, Nov 30, arriving in Sydney.Price includes taxes and charges.From C$610, select.
Phnom Penh.C$662 per passenger.Departing Sun, Aug 17, returning Sun, Aug 24.Round-trip flight with AirAsia X and Air Cambodia.Outbound indirect flight with AirAsia X, departing from Sydney on Sun, Aug 17, arriving in Phnom Penh.Inbound indirect flight with Air Cambodia, departing from Phnom Penh on Sun, Aug 24, arriving in Sydney.Price includes taxes and charges.From C$662, select.
Phnom Penh.C$678 per passenger.Departing Tue, Aug 26, returning Tue, Sep 16.Round-trip flight with AirAsia X and Thai VietJet Air.Outbound indirect flight with AirAsia X, departing from Sydney on Tue, Aug 26, arriving in Phnom Penh.Inbound indirect flight with Thai VietJet Air, departing from Phnom Penh on Tue, Sep 16, arriving in Sydney.Price includes taxes and charges.From C$678, select.
Phnom Penh.C$701 per passenger.Departing Mon, Oct 20, returning Fri, Nov 28.Round-trip flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departing from Sydney on Mon, Oct 20, arriving in Phnom Penh.Inbound indirect flight with Singapore Airlines, departing from Phnom Penh on Fri, Nov 28, arriving in Sydney.Price includes taxes and charges.From C$701, select.
Phnom Penh.C$713 per passenger.Departing Wed, Jul 23, returning Wed, Aug 13.Round-trip flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departing from Sydney on Wed, Jul 23, arriving in Phnom Penh.Inbound indirect flight with Singapore Airlines, departing from Phnom Penh on Wed, Aug 13, arriving in Sydney.Price includes taxes and charges.From C$713, select.
Phnom Penh.C$730 per passenger.Departing Wed, Sep 17, returning Tue, Oct 28.Round-trip flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departing from Sydney on Wed, Sep 17, arriving in Phnom Penh.Inbound indirect flight with Singapore Airlines, departing from Phnom Penh on Tue, Oct 28, arriving in Sydney.Price includes taxes and charges.From C$730, select.
Phnom Penh.C$730 per passenger.Departing Wed, Nov 19, returning Wed, Dec 10.Round-trip flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departing from Sydney on Wed, Nov 19, arriving in Phnom Penh.Inbound indirect flight with Singapore Airlines, departing from Phnom Penh on Wed, Dec 10, arriving in Sydney.Price includes taxes and charges.From C$730, select.
Phnom Penh.C$730 per passenger.Departing Sun, Oct 19, returning Sun, Oct 26.Round-trip flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departing from Sydney on Sun, Oct 19, arriving in Phnom Penh.Inbound indirect flight with Singapore Airlines, departing from Phnom Penh on Sun, Oct 26, arriving in Sydney.Price includes taxes and charges.From C$730, select.

Find the cheapest month to fly from Sydney to Phnom Penh

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sydney to Phnom Penh flights are currently cheapest in November.
Jul
from C$875
Aug
from C$662
Sep
from C$732
Oct
from C$730
Nov
from C$610
Dec
from C$998
Jan
from C$972
Feb
from C$782
Mar
from C$806
Apr
from C$873
May
from C$1,195
Jun
from C$995

Sydney to Phnom Penh: Alternative routes

Compare routes from Sydney to Phnom Penh below. You may find an airport to fly into that's cheaper, faster, or easier than Phnom Penh.

Sydney to Phnom Penh: Flight information

The things to know before you go.
Cheapest flight foundC$610
Cheapest month to flyNovember

Finding cheap flights from Sydney to Phnom Penh: Frequently asked questions

The best price we found for a round-trip flight from Sydney to Phnom Penh is C$610. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Sydney to Phnom Penh. But we found flights with one or more stops from C$610.
There are no flights flying from Sydney to Phnom Penh, as of July 2025.
The cheapest month to fly from Sydney to Phnom Penh is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sydney Airport to Phnom Penh Airport on Tuesday, November 18, 2025.
No airlines currently offer direct flights between Sydney Airport and Phnom Penh Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Phnom Penh but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Phnom Penh is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, AirAsia X offers the cheapest flight tickets to Phnom Penh.

Travelling from Sydney (Kingsford Smith) Airport (SYD) to Phnom Penh International Airport (PNH): what you need to know

  • The timezone in Phnom Penh is UTC+7, which is four hours behind Sydney.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Show up at the airport on time to board your SYD to PNH flight.

  • Be prepared for bigger queues in popular months such as April. Arriving up to four hours ahead of an international flight and two hours for domestic departures will give you ample time for security and boarding.

  • Think about adding a stopover when booking your ticket from Sydney (Kingsford Smith) Airport to Phnom Penh International Airport. Simply uncheck 'Direct flights only' to break up your trip, or enjoy a detour to a new and interesting place. Here's where you can stop between SYD and PNH:

    • Suvarnabhumi Airport

    • Changi International Airport

    • Tan Son Nhat International Airport

How to find the cheapest flights from Sydney (Kingsford Smith) Airport (SYD) to Phnom Penh International Airport (PNH)

  • Currently, C$317 is the cheapest price we've seen for a one-way Sydney (Kingsford Smith) Airport to Phnom Penh International Airport flight. The best price for a return plane ticket is C$610. Bear in mind that fares can change due to availability when booking.

  • Don't leave everything to the last minute. You're more likely to find cheap tickets from SYD to PNH if you book in advance. Airlines often offer some excellent early bird discounts.

  • Getting cheap flights from Sydney (Kingsford Smith) Airport to Phnom Penh International Airport is easy if you're flexible with your dates. Use the 'Whole month' search function to see the lowest fares across each month and land a great deal.

  • Never miss a deal on cheap flights from SYD to PNH by creating a Price Alert. You'll receive an email or push notification on the app when a new discounted fare appears.

  • Choose your preferred arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Sydney (Kingsford Smith) Airport to Phnom Penh International Airport.

Handy information about Sydney (Kingsford Smith) Airport (SYD)

  • Of all flights departing from Sydney (Kingsford Smith) Airport, 69.62% land on schedule at their destination.

  • To get to Sydney (Kingsford Smith) Airport from central Sydney, it'll take about 20 minutes if you're planning to drive. This depends on traffic though. It's approximately 18 kilometres from the airport to the city centre.

  • Planning to take public transport? Expect a journey time of around 25 minutes.

  • Need a convenient hotel close to SYD? If you're boarding an early flight from Sydney (Kingsford Smith) Airport to Phnom Penh International Airport, these accommodation options will have you moments from your departure lounge:

Arriving at Phnom Penh International Airport (PNH)

  • The last thing you need is a long journey to your hotel if you're landing late on a Sydney (Kingsford Smith) Airport to Phnom Penh International Airport flight. Stay at one of these accommodation options near PNH instead:

  • Travel at your own pace with a Phnom Penh International Airport rental car. Book your wheels from Europcar, Avis or Budget and find adventure across Phnom Penh and beyond.

  • Reserving your vehicle from Phnom Penh International Airport around one week in advance can help you get the lowest rate.

Getting from Phnom Penh International Airport (PNH) to central Phnom Penh

  • Phnom Penh International Airport is approximately 11 kilometres from the centre of Phnom Penh. The drive time takes about 30 minutes.

When to fly to Phnom Penh International Airport (PNH)

  • August is the most popular month for flights from Sydney (Kingsford Smith) Airport to Phnom Penh International Airport. For a quieter experience, go to Phnom Penh in February.

  • The warmest month in Phnom Penh is March, with the temperature ranging between 23ºC (73ºF) and 38ºC (100ºF). Book your flights from Sydney (Kingsford Smith) Airport to Phnom Penh International Airport in this month if you enjoy this type of weather.

  • If you like cooler conditions, look for a cheap ticket from SYD to PNH in January. Temperatures average between 20ºC (68ºF) and 33ºC (91ºF) then.

Explore more of Cambodia

  • Sihanoukville is just one of the many places in Cambodia waiting to be explored once you've taken in the sights of Phnom Penh. Around 193 kilometres away to the south-west, its top attractions include Ochheuteal Beach, Wat Leu Temple and Wat Krom Temple.

  • Battambang is another favourite destination in Cambodia and is around 257 kilometres north-west of Phnom Penh. No journey is complete without a visit to The Garden of SamDech Sar Kheng, Spean Thmor Chas and សួននាគសន្តិភាព-Dragon Peace Garden.

Plan the rest of your trip from Sydney to Phnom Penh

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.