What’s the cost of a flight from Philadelphia to Sydney?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Philadelphia and Sydney.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Planning flights between Philadelphia and Sydney? Don’t forget the airport options

Especially when flying to medium or large cities, it's worth checking all possible airport combinations before booking.

• Airports in Philadelphia: Another departure airport is Trenton Mercer.
• Airports in Sydney: Only Sydney - Kingsford Smith is currently available.

Check for differences in transport costs to and from each airport — they affect your total spend. Choosing the right airport can make a real difference in price and timing.

Customize your flight from Philadelphia to Sydney

Jetcost allows you to filter by travel dates, duration, layovers, carriers, and booking providers. You’ll find direct and connecting flights, one-way or round-trip, from the best airlines and travel agencies.

Other popular destinations

Thinking about Australia? You might also consider: Adelaide, Brisbane, Melbourne, Perth, Sydney.

You can sort results by price, duration, or departure time to find the best option for you. When available, results always include both low-cost and traditional airlines.