Cheap Flights from Philadelphia to Perth

Compare Philadelphia to Perth flight deals

Find the cheapest month or even day of the year to fly to Perth

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Flight deals from Philadelphia to Perth

Looking for a cheap last-minute deal or the best return flight from Philadelphia to Perth? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Philadelphia to Perth

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Philadelphia to Perth flights are currently cheapest in March.

Philadelphia to Perth: Alternative routes

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

Philadelphia to Perth: Flight information

The things to know before you go.
Cheapest flight found$2,802
Cheapest month to flyMarch

Finding cheap flights from Philadelphia to Perth: Frequently asked questions

The best price we found for a return flight from Philadelphia to Perth is $2,802. 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 Philadelphia to Perth. But we found flights with one stop from $2,802.
As of February 2026, there are no flights flying from Philadelphia to Perth.
The cheapest month to fly from Philadelphia to Perth is usually March.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Philadelphia to Perth Airport on Sunday, 22 March 2026.
No airlines currently offer direct flights between Philadelphia and Perth 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 Perth 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 Perth is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Perth is Qatar Airways .

Flying from Philadelphia to Perth Airport (PER): What you need to know

  • Philadelphia International Airport (PHL) is Philadelphia's main airport. Explore your options for reserving a flight from Philadelphia to Perth Airport (PER) leaving from here.

  • The timezone in Perth is UTC+8, which is 12 hours ahead of Philadelphia. Perth Airport is located in Perth.

  • Your flight from Philadelphia to PER won't wait if you're running late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • Longer lines at security and check-in are more likely if you're flying during high season, so allow a bit more breathing room. The recommendation for peak periods? Get there up to four hours ahead for international flights and at least two hours for domestic departures.

Airports in Philadelphia

Philadelphia International Airport (PHL)

  • Stopovers are a great opportunity to discover a new city or just take a break during your journey. When looking for a cheap flight from Philadelphia to PER, uncheck 'Direct flights only' to compare all potential stops. London Heathrow Airport (LHR) is one option when departing from Philadelphia International Airport (PHL).

  • Located around 19 kilometres from central Philadelphia, PHL can be reached in about 15 minutes by car, depending on traffic. The journey on public transport takes roughly 45 minutes.

  • Searching for a convenient hotel close to Philadelphia International Airport? If you're catching an early flight from Philadelphia to Perth Airport, these stays will put you moments from your check-in counter:

  • 78.93% of flights that leave from Philadelphia International Airport touch down at their destination on time.

  • You'll find PHL at 8500 Essington Ave.

Trenton-Mercer Airport (TTN)

  • On public transport, you can travel from central Philadelphia to TTN in around 1 hour 45 minutes. The airport is roughly 56 kilometres away, and making the trip by car will take approximately 40 minutes.

  • Get your holiday started early with an additional night away from home. Before catching your Philadelphia to PER flight, kick back in one of these hotels near Trenton-Mercer Airport:

  • Trenton-Mercer Airport is known for its commitment to punctuality. 82.45% of flights taking off from here arrive right when they're supposed to.

  • The address for TTN is Scotch Road, Terminal Building.

About Perth Airport (PER)

Getting from Perth Airport (PER) to central Perth

  • Perth Airport is around 16 kilometres from central Perth. It takes around 20 minutes or so to get to the city by car.

  • Travelling on public transport takes around 30 minutes.

How to find the cheapest flights from Philadelphia to Perth Airport (PER)

  • $2,023 is currently the lowest price for a one-way ticket from Philadelphia to Perth Airport. Return flights start from $2,802. These prices can change depending on demand and availability.

  • Don't leave everything to the last minute. You're more likely to find cheap flights from Philadelphia to PER if you book early. Airlines often have some fantastic early bird deals.

  • Cheap Philadelphia to Perth Airport tickets are easier to find when your dates are flexible. Try using the 'Whole month' search tool to compare fares across every month and then choose the cheapest day.

  • Save time looking for cheap flight tickets from Philadelphia to PER by setting up a Price Alert. We'll send you an email or notification through the app when a lower fare becomes available.

  • Filters make it easier to scoop up a deal on your flight from Philadelphia to Perth Airport. Choose the airlines, flight times and number of stops that look good to you. Then sort the results by 'Cheapest' to zero in on the cheapest fare fast.

The best time to fly from Philadelphia to Perth Airport (PER)

  • Think about the kind of experience you want when deciding your trip dates. February is the quietest month to go to Perth. July is when most people book flights from Philadelphia to Perth Airport (PER), which may be perfect if you'd rather travel when it's busy.

  • Before locking in your Philadelphia to PER flight ticket, consider the type of weather you enjoy. January is the warmest month in Perth, with temperatures ranging from 17ºC to 35ºC.

  • Look for cheap tickets from Philadelphia to Perth Airport in August if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 8ºC and 20ºC.

More about Perth

  • When it comes to looking for somewhere to rest your head, you'll find the best stays in Perth right here. Browse these options as soon as you've booked your flight from Philadelphia to Perth Airport:

  • Every great adventure has to include a little sightseeing. Cottesloe Beach, Kings Park Observation Tower and City Beach are attractions you won't want to skip in Perth.

Explore more of Australia

  • You've visited Perth, now it's time to explore other corners of Australia. Travel about 161 kilometres south to Bunbury to tick off its popular sights. From Koombana Bay to Dolphin Cove and Leschenault Peninsula Conservation Park, there's plenty to keep you on the go.

  • If you want to check out another great destination in Australia, consider Busselton, roughly 193 kilometres south of Perth. Underwater Observatory, Abbey Beach and Busselton Jetty are key highlights.

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