Earn point on your loyalty program!arrow arc left

Cheap flights from Philadelphia (PHL) to Sydney (SYD)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Philadelphia (PHL) to Sydney (SYD)

How to find the cheapest flight from Philadelphia (PHL) to Sydney (SYD)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Philadelphia (PHL) to Sydney (SYD)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Philadelphia (PHL) to Sydney (SYD)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Philadelphia to Sydney in July , August 2026

27 Jul - 02 Aug $ 1,228.00
PHL
Philadelphia
Qantas
1 STOPS
SYD
Sydney
SYD
Sydney
Qantas
1 STOPS
PHL
Philadelphia
Pick dates
24 Jul - 12 Aug $ 1,450.00
PHL
Philadelphia
United Airlines
2 STOPS
SYD
Sydney
SYD
Sydney
United Airlines
1 STOPS
PHL
Philadelphia
Pick dates
24 Jul - 11 Aug $ 1,450.00
PHL
Philadelphia
United Airlines
2 STOPS
SYD
Sydney
SYD
Sydney
United Airlines
1 STOPS
PHL
Philadelphia
Pick dates

Last minute flights from Philadelphia to Sydney

24 Jul - 31 Jul $ 1,587.00
PHL
Philadelphia
United Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
United Airlines
1 STOPS
PHL
Philadelphia
Pick dates
24 Jul - 31 Jul $ 1,592.00
PHL
Philadelphia
United Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
United Airlines
2 STOPS
PHL
Philadelphia
Pick dates
29 Jul - 31 Jul $ 4,623.00
PHL
Philadelphia
Air New Zealand
2 STOPS
SYD
Sydney
SYD
Sydney
Air New Zealand
2 STOPS
PHL
Philadelphia
Pick dates

One-way flights to Sydney from Philadelphia

4:38 PM - 2:25 PM
Jetstar Airways
3 Stops
33h 17m
PHL - SYD
$ 779
Kiwi
Pick dates
4:26 PM - 11:55 AM
Alaska Airlines
2 Stops
36h 24m
PHL - SYD
$ 966
Kiwi
Pick dates
1:31 PM - 10:45 PM
All Nippon Airways
2 Stops
29h 54m
PHL - SYD
$ 1,148
Kiwi
Pick dates

How to find the cheapest flight from Philadelphia (PHL) to Sydney (SYD)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Philadelphia (PHL) to Sydney (SYD)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Philadelphia (PHL) to Sydney (SYD)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.