C$879 Cheap Flights from Sydney (SYD) to Philadelphia International (PHL)

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Find the cheapest month or even day of the year to fly to Philadelphia International

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Flight deals from Sydney to Philadelphia International

Looking for a cheap last-minute deal or the best return flight from Sydney Airport to Philadelphia International Airport? If you want to travel next month, return fares start from C$1,428. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Sydney to Philadelphia International

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

Sydney to Philadelphia: Flight information

The things to know before you go.
Cheapest flight foundC$878
Cheapest month to flyJune

Finding cheap flights from Sydney to Philadelphia International: Frequently asked questions

The best price we found for a return flight from Sydney to Philadelphia International is C$1,424. 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 Philadelphia International. But we found flights with one or more stops from C$1,423.
As of June 2026, there are no flights flying from Sydney to Philadelphia International.
The cheapest month to fly from Sydney to Philadelphia International is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sydney Airport to Philadelphia International Airport on Thursday, June 11, 2026.
No airlines currently offer direct flights between Sydney Airport and Philadelphia International 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 Philadelphia International 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 Philadelphia is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Philadelphia International.

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

  • If you're going away during a popular month like July, arrive at the terminal even earlier. It's smart to arrive up to four hours before international flights and two hours ahead of domestic departures. Check-in and security lines are longer during peak periods like spring break and summer.

  • To break up your flight from Sydney (Kingsford Smith) Airport to Philadelphia International Airport, add a stopover to your trip. Simply deselect 'Direct flights only' and find a destination that catches your eye. Popular stopovers on the SYD - PHL route are:

    • George Bush Intercontinental Airport

    • Dallas/Fort Worth International Airport

    • Los Angeles International Airport

  • Before booking your cheap ticket from SYD to PHL, check if you need a visa to enter United States. Visa and travel document requirements may differ and are updated often. For the latest information, get in touch with the nearest consulate or embassy of the country you're flying to.

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

  • The best price we've seen for a one-way ticket from Sydney (Kingsford Smith) Airport to Philadelphia International Airport is C$879. The cheapest price for a return flight is C$1,424. Keep in mind that fares could change due to availability when booking.

  • It's usually smart to book early if you want to get cheap flight tickets from SYD to PHL. That's because airlines change prices based on demand, which tends to rise closer to departure.

  • If you can be flexible with your travel plans, use the 'Whole month' tool. It'll give you the cheapest price in each month when searching for a ticket from Sydney (Kingsford Smith) Airport to Philadelphia International Airport.

  • Log into your online account or use the app to create a Price Alert. You'll get notified straight away if there's a better deal on this route. It's simple to do, and it'll save you time searching for cheap flight tickets from SYD to PHL every day.

  • Use filters to tailor your flights from Sydney (Kingsford Smith) Airport to Philadelphia International Airport. Select your preferred arrival and departure times, airlines and number of stops. Alternatively, sort your results by 'Cheapest' to find the best deals.

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

  • Located around 18 kilometres from the center of Sydney, Sydney (Kingsford Smith) Airport can be reached in about 21 minutes by car (depending on traffic). The journey by public transport is roughly 27 minutes.

  • Searching for a convenient hotel near SYD? If you're on an early flight from Sydney (Kingsford Smith) Airport to Philadelphia International Airport, these accommodation options will have you moments from your check-in counter:

Arriving at Philadelphia International Airport (PHL)

Getting from Philadelphia International Airport (PHL) to central Philadelphia

  • From Philadelphia International Airport, Philadelphia is approximately 19 kilometres away. It takes around 17 minutes to reach the center driving.

  • Traveling by public transport takes around 44 minutes.

When to fly to Philadelphia International Airport (PHL)

  • August is the busiest month for flights from Sydney (Kingsford Smith) Airport to Philadelphia International Airport. To skip the crowds, go to Philadelphia in February.

  • The warmest month in Philadelphia is July, with temperatures ranging between 18ºC and 32ºC. Lock in your flights from Sydney (Kingsford Smith) Airport to Philadelphia International Airport in this month if this is the kind of weather you like.

  • If you want to travel in cooler conditions, look for a cheap ticket from SYD to PHL in January. Temperatures average between -7ºC and 9ºC then.

More about Philadelphia

  • When it comes to looking for somewhere to rest your head, you can find the best stays in Philadelphia right here. Explore these hotels after locking in your flight from SYD to PHL:

  • There are so many things to do and see in this city it can be hard to figure out where to begin. Liberty Bell, Independence Hall and Philadelphia Museum of Art are top sights which should feature on every Philadelphia itinerary.

Complete your Philadelphia trip with hotels and a car rental

  • Once you've secured your cheap ticket to Philadelphia International Airport, explore our low prices and exclusive offers on hotels. You can also compare hundreds of car rental companies in one go to find the best car rental price for your Philadelphia vacation.

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