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958 € Cheap Flights from Philadelphia to Sydney

Compare Philadelphia to Sydney flight deals

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

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Flight deals from Philadelphia to Sydney

Looking for a cheap last-minute deal or the best return flight from Philadelphia to Sydney? Find the lowest prices on one-way and return tickets right here.
Sydney.958 € per passenger.Departing Wed, 6 May, returning Wed, 13 May.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Philadelphia International on Wed, 6 May, arriving in Sydney.Inbound indirect flight with Air Canada, departs from Sydney on Wed, 13 May, arriving in Philadelphia International.Price includes taxes and charges.From 958 €, select.
Sydney.989 € per passenger.Departing Wed, 26 Nov, returning Thu, 4 Dec.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Philadelphia International on Wed, 26 Nov, arriving in Sydney.Inbound indirect flight with Air Canada, departs from Sydney on Thu, 4 Dec, arriving in Philadelphia International.Price includes taxes and charges.From 989 €, select.
Sydney.1.037 € per passenger.Departing Fri, 19 Sep, returning Sun, 21 Sep.Return flight with Hawaiian Airlines and Jetstar.Outbound indirect flight with Hawaiian Airlines, departs from Philadelphia International on Fri, 19 Sep, arriving in Sydney.Inbound indirect flight with Jetstar, departs from Sydney on Sun, 21 Sep, arriving in Philadelphia International.Price includes taxes and charges.From 1.037 €, select.
Sydney.1.066 € per passenger.Departing Fri, 3 Apr, returning Fri, 10 Apr.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Philadelphia International on Fri, 3 Apr, arriving in Sydney.Inbound indirect flight with Air Canada, departs from Sydney on Fri, 10 Apr, arriving in Philadelphia International.Price includes taxes and charges.From 1.066 €, select.
Sydney.1.070 € per passenger.Departing Sat, 18 Oct, returning Sat, 8 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Philadelphia International on Sat, 18 Oct, arriving in Sydney.Inbound indirect flight with Air Canada, departs from Sydney on Sat, 8 Nov, arriving in Philadelphia International.Price includes taxes and charges.From 1.070 €, select.
Sydney.1.101 € per passenger.Departing Fri, 21 Nov, returning Sun, 30 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Philadelphia International on Fri, 21 Nov, arriving in Sydney.Inbound indirect flight with Air Canada, departs from Sydney on Sun, 30 Nov, arriving in Philadelphia International.Price includes taxes and charges.From 1.101 €, select.
Sydney.1.105 € per passenger.Departing Tue, 26 Aug, returning Wed, 3 Sep.Return flight with Spirit Airlines and Jetstar.Outbound indirect flight with Spirit Airlines, departs from Philadelphia International on Tue, 26 Aug, arriving in Sydney.Inbound indirect flight with Jetstar, departs from Sydney on Wed, 3 Sep, arriving in Philadelphia International.Price includes taxes and charges.From 1.105 €, select.
Sydney.1.111 € per passenger.Departing Mon, 25 Aug, returning Fri, 29 Aug.Return flight with Hawaiian Airlines and Jetstar.Outbound indirect flight with Hawaiian Airlines, departs from Philadelphia International on Mon, 25 Aug, arriving in Sydney.Inbound indirect flight with Jetstar, departs from Sydney on Fri, 29 Aug, arriving in Philadelphia International.Price includes taxes and charges.From 1.111 €, select.

Find the cheapest month to fly from Philadelphia to Sydney

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Philadelphia to Sydney flights are currently cheapest in May.
Aug
from 1.111 €
Sep
from 1.037 €
Oct
from 1.241 €
Nov
from 1.101 €
Dec
from 1.314 €
Jan
from 1.490 €
Feb
from 1.267 €
Mar
from 1.162 €
Apr
from 1.066 €
May
from 958 €
Jun
from 1.488 €
Jul
Find prices

Philadelphia to Sydney: Alternative routes

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

Philadelphia to Sydney: Flight information

The things to know before you go.
Cheapest flight found958 €
Cheapest month to flyMay

Finding cheap flights from Philadelphia to Sydney: Frequently asked questions

The best price we found for a return flight from Philadelphia to Sydney is 958 €. 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 Sydney. But we found flights with one stop from 958 €.
As of August 2025, there are no flights flying from Philadelphia to Sydney.
The cheapest month to fly from Philadelphia to Sydney is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Philadelphia to Sydney Airport on Wednesday, 6 May 2026.
No airlines currently offer direct flights between Philadelphia and Sydney 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 Sydney 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 Sydney is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Sydney is Air Canada .

Travelling from Philadelphia to Sydney (Kingsford Smith) Airport (SYD): What you need to know

  • Philadelphia's main base, Philadelphia International Airport (PHL), is where great travel stories take off. Explore your departure options from here for your flight from Philadelphia to Sydney (Kingsford Smith) Airport (SYD).

  • The timezone in Sydney is UTC+11, which is 15 hours ahead of Philadelphia. Sydney (Kingsford Smith) Airport is located in Sydney.

  • Get to the airport on time so you don't miss your flight from Philadelphia to SYD. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

  • Delays at check-in and security are likely if you're heading away during high season, so allow some extra wiggle room. The recommendation for peak times? Arrive up to four hours ahead for international flights and at least two hours for domestic departures.

Airports in Philadelphia

Philadelphia International Airport (PHL)

  • Consider adding a stopover to find cheap flights from Philadelphia to SYD. Simply deselect 'Direct flights only' when searching for departures from Philadelphia International Airport (PHL). Take a break from travelling at one of these popular options:

    • Dallas/Fort Worth International Airport (DFW)

    • Los Angeles International Airport (LAX)

    • George Bush Intercontinental Airport (IAH)

  • PHL is about 19 kilometres from central Philadelphia. If you're ride-sharing, driving or catching a cab from the centre, it'll take 15 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the travel time to be around 45 minutes.

  • In search of a convenient hotel close to Philadelphia International Airport? If you've booked an early flight from Philadelphia to Sydney (Kingsford Smith) Airport, these stays will have you sleeping moments from your check-in counter:

  • Of the departures from Philadelphia International Airport, 78.93% arrive as scheduled at their destination.

  • You'll find PHL at 8500 Essington Ave.

Trenton-Mercer Airport (TTN)

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

  • Flying out early in the morning? Think about staying at one of these hotels near Trenton-Mercer Airport the day before your Philadelphia to SYD flight:

  • Trenton-Mercer Airport has a track record for punctuality. 82.45% of flights departing here arrive right on target.

  • You'll find TTN at Scotch Road, Terminal Building.

About Sydney (Kingsford Smith) Airport (SYD)

  • If you're coming in on a late flight from Philadelphia to Sydney (Kingsford Smith) Airport, nothing tops the convenience of staying near the terminal. Grab your luggage from the carousel and then be showered and resting soon after at one of these hotels near SYD:

  • Go where the road takes you with a Sydney (Kingsford Smith) Airport rental car. Pick up your wheels from simba car hire, Bargain Car Rentals or Yes Drive and see more of Sydney and beyond.

  • Lock in the best rate by reserving your vehicle around two weeks before your Philadelphia to Sydney (Kingsford Smith) Airport flight.

Getting from Sydney (Kingsford Smith) Airport (SYD) to central Sydney

  • From Sydney (Kingsford Smith) Airport, central Sydney is around 18 kilometres away. It takes about 20 minutes to get to the city centre by car.

  • Travelling by public transport will take you around 25 minutes.

How to find the cheapest flights from Philadelphia to Sydney (Kingsford Smith) Airport (SYD)

  • Right now, 476 € is the lowest price we've found for a one-way ticket from Philadelphia to Sydney (Kingsford Smith) Airport. The cheapest price for a return flight is 958 €. Remember fares may change due to availability at the time of booking.

  • To pick up cheap flights from Philadelphia to SYD, book ahead. Airlines usually offer lower fares when tickets are first released.

  • If you're flexible with your travel dates, try using the 'Whole month' search tool. It'll show you the lowest price in each month when searching for your Philadelphia to Sydney (Kingsford Smith) Airport ticket.

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

  • Save on your flight from Philadelphia to Sydney (Kingsford Smith) Airport by using filters. Choose your ideal duration, departure time and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Philadelphia to Sydney (Kingsford Smith) Airport (SYD)

  • July is the busiest month for flights from Philadelphia to Sydney (Kingsford Smith) Airport (SYD). Plan your visit to Sydney in April if you'd rather be there when it's quieter.

  • Book a Philadelphia to SYD plane ticket departing in January if you're eager to experience the city during its warmest month. Expect temperatures in Sydney to range from 17ºC (63ºF) to 32ºC (90ºF).

  • July has temperatures of between 5ºC (41ºF) and 19ºC (66ºF). Look for cheap tickets from Philadelphia to Sydney (Kingsford Smith) Airport around that time if you'd rather travel in cooler conditions.

More about Sydney

  • Start your Sydney trip right by choosing the perfect place to stay. As soon as you've booked your flight from Philadelphia to Sydney (Kingsford Smith) Airport, explore our selection of accommodation options including:

  • There are loads of terrific things to do in Sydney when you're ready to go sightseeing. Kick off your exploring at Sydney Harbour followed by Sydney Harbour Bridge and Sydney Harbour.

Explore more of Australia

  • You've visited Sydney, now it's time to discover other corners of Australia. Journey about 241 kilometres south-west to Canberra to tick off its must-visit sights. From Australian War Memorial to National Gallery of Australia and National Portrait Gallery, you've got a jam-packed schedule ahead.

  • Newcastle is another sought-after destination in Australia and is around 129 kilometres north-east of Sydney. No trip is complete without seeing Merewether Beach, Bathers Way Coastal Walk and Nobbys Beach.

Plan the rest of your trip from Philadelphia to Sydney

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