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Cheap Flights from Philadelphia to Sydney

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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.Rs155,551 per passenger.Departing Thu, 17 Apr.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Thu, 17 Apr, arriving in Sydney.Price includes taxes and charges.From Rs155,551, select.
Sydney.Rs174,958 per passenger.Departing Sat, 22 Mar.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Sat, 22 Mar, arriving in Sydney.Price includes taxes and charges.From Rs174,958, select.
Sydney.Rs223,564 per passenger.Departing Tue, 9 Sep.One-way flight with Hawaiian Airlines.Outbound indirect flight with Hawaiian Airlines, departs from Philadelphia International on Tue, 9 Sep, arriving in Sydney.Price includes taxes and charges.From Rs223,564, select.
Sydney.Rs228,378 per passenger.Departing Sun, 8 Jun.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Sun, 8 Jun, arriving in Sydney.Price includes taxes and charges.From Rs228,378, select.
Sydney.Rs230,347 per passenger.Departing Tue, 21 Oct.One-way flight with Hawaiian Airlines.Outbound indirect flight with Hawaiian Airlines, departs from Philadelphia International on Tue, 21 Oct, arriving in Sydney.Price includes taxes and charges.From Rs230,347, select.
Sydney.Rs240,923 per passenger.Departing Thu, 13 Nov.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Philadelphia International on Thu, 13 Nov, arriving in Sydney.Price includes taxes and charges.From Rs240,923, select.
Sydney.Rs241,943 per passenger.Departing Tue, 2 Dec.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Philadelphia International on Tue, 2 Dec, arriving in Sydney.Price includes taxes and charges.From Rs241,943, select.
Sydney.Rs270,542 per passenger.Departing Wed, 9 Jul.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Philadelphia International on Wed, 9 Jul, arriving in Sydney.Price includes taxes and charges.From Rs270,542, 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 April.
Mar
from Rs174,958
Apr
from Rs155,551
May
from Rs371,478
Jun
from Rs228,378
Jul
from Rs270,542
Aug
Find prices
Sep
from Rs223,564
Oct
from Rs230,347
Nov
from Rs240,923
Dec
from Rs241,943
Jan
Find prices
Feb
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 foundRs155,551
Cheapest month to flyApril

Finding cheap flights from Philadelphia to Sydney: Frequently asked questions

The best price we found for a return flight from Philadelphia to Sydney is Rs267,195. 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 Rs267,195.
As of March 2025, there are no flights flying from Philadelphia to Sydney.
The cheapest month to fly from Philadelphia to Sydney is usually March 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Philadelphia to Sydney Airport on Tuesday, 20 May 2025.
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 .

Flying from Philadelphia to Sydney (Kingsford Smith) Airport (SYD): what you need to know

  • Planning your getaway begins with figuring out where you'll fly out of in Philadelphia. Philadelphia International Airport (PHL) is the city's main airport, so explore your options for booking a flight from Philadelphia to Sydney (Kingsford Smith) Airport (SYD) jetting off from here.

  • Sydney (Kingsford Smith) Airport is located in Sydney. The city operates in the UTC+11 timezone and is 15 hours ahead of Philadelphia.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Make sure you're at the airport on time to board your flight from Philadelphia to SYD.

  • Peak months like August or holiday times such as Christmas and New Year will mean bigger waits at check-in and security. Travelling then? Play it safe and head to the airport even earlier. Arriving two hours before domestic flights and up four hours ahead of international flights is a smart move.

Airports in Philadelphia

Philadelphia International Airport (PHL)

  • Think about adding a stopover to possibly find a cheaper flight from Philadelphia to SYD. Simply uncheck 'Direct flights only' when browsing departures from Philadelphia International Airport (PHL). Take a break from travelling at one of these popular airports:

    • George Bush Intercontinental Airport (IAH)

    • Los Angeles International Airport (LAX)

    • Dallas/Fort Worth International Airport (DFW)

  • From the centre of Philadelphia, PHL is around 19 kilometres away. Use navigation apps or check the official airport website to find the best way to reach the terminal.

  • Need a handy hotel close to Philadelphia International Airport? If you're boarding an early flight from Philadelphia to Sydney (Kingsford Smith) Airport, these stays will put you moments from your departure lounge:

About Sydney (Kingsford Smith) Airport (SYD)

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

  • Sydney (Kingsford Smith) Airport to central Sydney takes around 21 minutes in a car. It's approximately 18 kilometres away. See what options are available, such as cabs, car rentals or ride-sharing.

  • Travelling on public transport typically takes 27 minutes.

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

  • Rs155,551 is the lowest price we've seen for a one-way ticket from Philadelphia to Sydney (Kingsford Smith) Airport. Return flights start from Rs267,195. Prices may vary depending on availability at the time of booking.

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

  • Take advantage of the 'Whole month' tool and compare the prices of tickets from Philadelphia to Sydney (Kingsford Smith) Airport across each month. The lowest fares are highlighted in green, making it easy to choose a flight within your budget.

  • Set up a Price Alert for flight tickets from Philadelphia to SYD. There's no need to search every day to find out if prices have dropped. We'll update you as soon as the price changes.

  • Use the filters to tailor your flights from Philadelphia to Sydney (Kingsford Smith) Airport. Simply enter your preferred departure and arrival times, number of stops and airlines. You can also sort your results by 'Cheapest' to get the best deals.

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

  • It's time to choose your travel dates for your flight from Philadelphia to Sydney (Kingsford Smith) Airport. July is the busiest month for a trip to Sydney. If you like a quieter atmosphere, go in April.

  • The warmest month in Sydney is January, with temperatures ranging between 17ºC and 32ºC. Lock in your flights from Philadelphia to SYD in this month if you enjoy this type of weather.

  • If you want cooler conditions, search for a cheap flight from Philadelphia to Sydney (Kingsford Smith) Airport in July when temperatures average between 5ºC and 19ºC.

More about Sydney

  • When it comes to searching for somewhere to rest your head, you'll find the best stays in Sydney right here. Check out these options as soon as you've locked in your flight from Philadelphia to Sydney (Kingsford Smith) Airport:

  • There are so many things to explore in this city it can be tricky to work out where to start. Sydney Opera House, Sydney Harbour Bridge and Bondi Beach are highlights which should be on any well-planned Sydney itinerary.

Complete your Sydney trip with a car rental

  • Choose one of our car rentals in Sydney and explore the city on your own terms. Easily compare rates from trusted providers in one go after booking your hotel and cheap flights from Philadelphia to Sydney (Kingsford Smith) Airport.

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.