$521+ Cheap flights from Philadelphia (PHL) to Australia
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
Mar 20 — Mar 271
1 adult, Economy
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Cheapest flights from Philadelphia to AustraliaExplore the most affordable flight options available from Philadelphia to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 18, 2026.
Explore the most affordable flight options available from Philadelphia to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 18, 2026.
This oojo deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/245:17 pm
PHL
- BNE
2 stops33h 53m
Qantas Airways
Fri 4/108:35 pm
BNE
- PHL
1 stop23h 17m
Qantas Airways
Deal found 2/16![Qantas Airways logo]()
$972
This oojo deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/202:16 pm
PHL
- SYD
2 stops49h 19m
Qantas Airways
Wed 3/1811:20 am
SYD
- PHL
1 stop23h 22m
Qantas Airways
Deal found 2/17![Qantas Airways logo]()
$976
This oojo deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/192:16 pm
PHL
- SYD
2 stops35h 24m
Qantas Airways
Wed 4/110:10 am
SYD
- PHL
1 stop34h 41m
Qantas Airways
Deal found 2/16![Qantas Airways logo]()
$988
This lastminute.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/22:16 pm
PHL
- SYD
1 stop26h 44m
Qantas Airways
Mon 3/1611:20 am
SYD
- PHL
1 stop23h 22m
Qantas Airways
Deal found 2/16![Qantas Airways logo]()
$1,027
This Gurufare deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/87:00 pm
PHL
- SYD
1 stop23h 00m
Qantas Airways
Wed 3/1811:20 am
SYD
- PHL
1 stop23h 22m
Qantas Airways
Deal found 2/18![Qantas Airways logo]()
$1,038
This Gurufare deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/172:18 pm
PHL
- SYD
1 stop27h 42m
Qantas Airways
Tue 3/241:05 pm
SYD
- PHL
1 stop21h 20m
Qantas Airways
Deal found 2/18![Qantas Airways logo]()
$1,039
This American Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/87:00 pm
PHL
- SYD
1 stop23h 00m
American Airlines
Mon 3/2311:20 am
SYD
- PHL
1 stop26h 39m
American Airlines
Deal found 2/18![American Airlines logo]()
$1,042
This American Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/25:20 pm
PHL
- SYD
2 stops23h 40m
American Airlines
Mon 3/1611:20 am
SYD
- PHL
1 stop33h 31m
American Airlines
Deal found 2/16![American Airlines logo]()
$1,043
This American Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/172:18 pm
PHL
- SYD
1 stop27h 42m
American Airlines
Tue 3/2411:20 am
SYD
- PHL
2 stops23h 26m
American Airlines
Deal found 2/18![American Airlines logo]()
$1,045
This FlightHub deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/32:16 pm
PHL
- SYD
1 stop26h 44m
Qantas Airways
Tue 3/1711:20 am
SYD
- PHL
1 stop23h 22m
Qantas Airways
Deal found 2/17![Qantas Airways logo]()
$1,050
This American Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/310:45 am
PHL
- SYD
1 stop30h 15m
American Airlines
Tue 3/1711:20 am
SYD
- PHL
2 stops23h 50m
American Airlines
Deal found 2/17![American Airlines logo]()
$1,057
This oojo deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/225:17 pm
PHL
- MEL
2 stops31h 18m
Qantas Airways
Sat 3/2812:00 pm
MEL
- PHL
1 stop32h 51m
Qantas Airways
Deal found 2/15![Qantas Airways logo]()
$1,246
Best flights from Philadelphia to AustraliaDiscover carefully curated flight deals from Philadelphia to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 18, 2026.
Discover carefully curated flight deals from Philadelphia to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 18, 2026.
This oojo deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/245:17 pm
PHL
- BNE
2 stops33h 53m
Qantas Airways
Fri 4/108:35 pm
BNE
- PHL
1 stop23h 17m
Qantas Airways
Deal found 2/16![Qantas Airways logo]()
$972
This American Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/410:45 am
PHL
- SYD
1 stop30h 15m
American Airlines
Tue 3/1011:20 am
SYD
- PHL
2 stops23h 28m
American Airlines
Deal found 2/17![American Airlines logo]()
$1,057
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/110:37 am
PHL
- SYD
2 stops29h 53m
Delta
Mon 3/161:15 pm
SYD
- PHL
2 stops24h 45m
Delta
Deal found 2/14![Delta logo]()
$1,076
This Expedia deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/185:17 pm
PHL
- AVV
2 stops38h 58m
Multiple Airlines
Wed 3/256:00 am
AVV
- PHL
2 stops28h 42m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$1,250
This Gurufare deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1111:32 am
PHL
- SYD
2 stops41h 43m
ANA
Mon 5/2511:50 am
SYD
- PHL
2 stops64h 19m
ANA
Deal found 2/16![ANA logo]()
$1,299
This oojo deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/412:52 pm
PHL
- SYD
2 stops29h 53m
Air New Zealand
Mon 7/279:55 am
SYD
- PHL
2 stops35h 55m
Air New Zealand
Deal found 2/14![Air New Zealand logo]()
$1,314
This oojo deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/212:15 pm
PHL
- MEL
2 stops39h 05m
Fiji Airways
Sat 4/257:30 am
MEL
- PHL
2 stops29h 18m
Fiji Airways
Deal found 2/16![Fiji Airways logo]()
$1,336
This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/226:30 am
PHL
- MEL
2 stops35h 00m
United Airlines
Sat 3/2810:30 am
MEL
- PHL
2 stops28h 00m
United Airlines
Deal found 2/15![United Airlines logo]()
$1,347
This Qatar Airways deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/198:45 pm
PHL
- PER
1 stop34h 00m
Qatar Airways
Mon 3/233:55 pm
PER
- PHL
2 stops39h 29m
Qatar Airways
Deal found 2/14![Qatar Airways logo]()
$1,644
This Kiwi.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/12:16 pm
PHL
- SYD
1 stop26h 44m
Qantas Airways
Mon 3/1611:20 am
SYD
- PHL
1 stop23h 22m
Qantas Airways
Deal found 2/14![Qantas Airways logo]()
$1,043
This American Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/110:45 am
PHL
- SYD
1 stop30h 15m
American Airlines
Tue 3/2411:20 am
SYD
- PHL
2 stops23h 46m
American Airlines
Deal found 2/15![American Airlines logo]()
$1,058
This Qantas Airways deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/292:18 pm
PHL
- SYD
1 stop26h 47m
Qantas Airways
Wed 4/89:10 am
SYD
- PHL
1 stop23h 44m
Qantas Airways
Deal found 2/16![Qantas Airways logo]()
$1,106
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/146:00 am
PHL
- SYD
2 stops33h 05m
Delta
Sat 3/211:15 pm
SYD
- PHL
2 stops22h 37m
Delta
Deal found 2/15![Delta logo]()
$1,226
This oojo deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/26:20 am
PHL
- SYD
2 stops38h 20m
Air New Zealand
Wed 7/299:55 am
SYD
- PHL
2 stops26h 33m
Air New Zealand
Deal found 2/14![Air New Zealand logo]()
$1,325
This Ovago deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/147:00 pm
PHL
- AVV
2 stops37h 15m
Multiple Airlines
Sat 3/218:55 pm
AVV
- PHL
2 stops47h 56m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$1,337
This Qantas Airways deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/292:18 pm
PHL
- SYD
1 stop26h 47m
Qantas Airways
Tue 4/79:10 am
SYD
- PHL
1 stop23h 44m
Qantas Airways
Deal found 2/16![Qantas Airways logo]()
$1,106
This oojo deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:00 pm
PHL
- BNE
2 stops27h 05m
Air New Zealand
Sun 5/317:35 pm
BNE
- PHL
2 stops50h 15m
Air New Zealand
Deal found 2/16![Air New Zealand logo]()
$1,330
This Qantas Airways deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/312:18 pm
PHL
- SYD
1 stop26h 47m
Qantas Airways
Sun 4/59:10 am
SYD
- PHL
1 stop24h 32m
Qantas Airways
Deal found 2/16![Qantas Airways logo]()
$1,106
This Orbitz deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/227:00 pm
PHL
- AVV
2 stops37h 15m
Multiple Airlines
Sat 3/288:55 pm
AVV
- PHL
2 stops37h 47m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$1,375
This Justfly.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:50 pm
PHL
- BNE
2 stops34h 40m
Air New Zealand
Sun 5/249:35 am
BNE
- PHL
2 stops29h 54m
Air New Zealand
Deal found 2/15![Air New Zealand logo]()
$1,341
This Expedia deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/127:00 pm
PHL
- AVV
2 stops34h 20m
Multiple Airlines
Thu 3/198:10 am
AVV
- PHL
2 stops26h 15m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$1,400
This BusinessClass deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/208:45 pm
PHL
- PER
1 stop34h 00m
Qatar Airways
Tue 4/143:40 pm
PER
- PHL
2 stops42h 00m
Qatar Airways
Deal found 2/16![Qatar Airways logo]()
$1,753
This oojo deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:55 pm
PHL
- MEL
2 stops32h 00m
Air New Zealand
Fri 5/18:35 am
MEL
- PHL
2 stops41h 14m
Air New Zealand
Deal found 2/17![Air New Zealand logo]()
$1,370
This oojo deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/225:17 pm
PHL
- MEL
2 stops31h 18m
Qantas Airways
Sat 3/2812:00 pm
MEL
- PHL
1 stop32h 51m
Qantas Airways
Deal found 2/15![Qantas Airways logo]()
$1,246
This Air New Zealand deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:55 pm
PHL
- MEL
2 stops32h 00m
Multiple Airlines
Fri 5/112:10 pm
MEL
- PHL
3 stops36h 19m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$1,467
This Trip.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/18:40 pm
PHL
- CBR
2 stops47h 10m
Qatar Airways
Wed 4/812:10 pm
CBR
- PHL
2 stops34h 50m
Qatar Airways
Deal found 2/14![Qatar Airways logo]()
$1,822
This oojo deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:59 pm
PHL
- MEL
2 stops51h 31m
Air New Zealand
Sat 4/258:35 am
MEL
- PHL
2 stops27h 50m
Air New Zealand
Deal found 2/15![Air New Zealand logo]()
$1,371
This oojo deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/182:00 pm
PHL
- MEL
2 stops51h 20m
Qantas Airways
Wed 3/2512:00 pm
MEL
- PHL
1 stop22h 42m
Qantas Airways
Deal found 2/16![Qantas Airways logo]()
$1,252
This Qantas Airways deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/127:00 pm
PHL
- MEL
1 stop23h 30m
Multiple Airlines
Thu 3/1912:00 pm
MEL
- PHL
1 stop25h 59m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$1,491
This BusinessClass deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:59 pm
PHL
- MEL
2 stops59h 36m
Air New Zealand
Wed 4/2912:10 pm
MEL
- PHL
2 stops24h 15m
Air New Zealand
Deal found 2/16![Air New Zealand logo]()
$1,375
Last-minute flights from Philadelphia to AustraliaDiscover last-minute flight deals from Philadelphia to Australia. Data last updated February 18, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Australia. Data last updated February 18, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/192:16 pm
PHL
- SYD
2 stops35h 24m
Qantas Airways
Wed 4/110:10 am
SYD
- PHL
1 stop34h 41m
Qantas Airways
Deal found 2/16![Qantas Airways logo]()
$988
This oojo deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/202:16 pm
PHL
- SYD
2 stops49h 19m
Qantas Airways
Wed 3/1811:20 am
SYD
- PHL
1 stop23h 22m
Qantas Airways
Deal found 2/17![Qantas Airways logo]()
$976
This lastminute.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/22:16 pm
PHL
- SYD
1 stop26h 44m
Qantas Airways
Mon 3/1611:20 am
SYD
- PHL
1 stop23h 22m
Qantas Airways
Deal found 2/16![Qantas Airways logo]()
$1,027
This American Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/25:20 pm
PHL
- SYD
2 stops23h 40m
American Airlines
Mon 3/1611:20 am
SYD
- PHL
1 stop33h 31m
American Airlines
Deal found 2/16![American Airlines logo]()
$1,043
This FlightHub deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/32:16 pm
PHL
- SYD
1 stop26h 44m
Qantas Airways
Tue 3/1711:20 am
SYD
- PHL
1 stop23h 22m
Qantas Airways
Deal found 2/17![Qantas Airways logo]()
$1,050
This American Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/310:45 am
PHL
- SYD
1 stop30h 15m
American Airlines
Tue 3/1711:20 am
SYD
- PHL
2 stops23h 50m
American Airlines
Deal found 2/17![American Airlines logo]()
$1,057
This Gurufare deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/87:00 pm
PHL
- SYD
1 stop23h 00m
Qantas Airways
Wed 3/1811:20 am
SYD
- PHL
1 stop23h 22m
Qantas Airways
Deal found 2/18![Qantas Airways logo]()
$1,038
This American Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/87:00 pm
PHL
- SYD
1 stop23h 00m
American Airlines
Mon 3/2311:20 am
SYD
- PHL
1 stop26h 39m
American Airlines
Deal found 2/18![American Airlines logo]()
$1,042
This Gurufare deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/172:18 pm
PHL
- SYD
1 stop27h 42m
Qantas Airways
Tue 3/241:05 pm
SYD
- PHL
1 stop21h 20m
Qantas Airways
Deal found 2/18![Qantas Airways logo]()
$1,039
This American Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/172:18 pm
PHL
- SYD
1 stop27h 42m
American Airlines
Tue 3/2411:20 am
SYD
- PHL
2 stops23h 26m
American Airlines
Deal found 2/18![American Airlines logo]()
$1,045
This oojo deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/225:17 pm
PHL
- MEL
2 stops31h 18m
Qantas Airways
Sat 3/2812:00 pm
MEL
- PHL
1 stop32h 51m
Qantas Airways
Deal found 2/15![Qantas Airways logo]()
$1,246
This oojo deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/245:17 pm
PHL
- BNE
2 stops33h 53m
Qantas Airways
Fri 4/108:35 pm
BNE
- PHL
1 stop23h 17m
Qantas Airways
Deal found 2/16![Qantas Airways logo]()
$972
One-way flights from Philadelphia to AustraliaSearch for one-way flight options from Philadelphia to Australia. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.
Search for one-way flight options from Philadelphia to Australia. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:05 am
PHL
- MEL
3 stops40h 55m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$521
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2411:47 am
PHL
- SYD
3 stops33h 48m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$521
This Kiwi.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1810:18 pm
PHL
- MEL
3 stops47h 07m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$527
This Kiwi.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/212:39 pm
PHL
- BNE
3 stops30h 01m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$556
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1510:28 pm
PHL
- BNE
3 stops45h 57m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$569
This Jetabroad deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/285:05 pm
PHL
- MEL
2 stops33h 40m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$579
This Kiwi.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/212:39 pm
PHL
- MEL
3 stops31h 21m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$587
This Kiwi.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/212:39 pm
PHL
- SYD
3 stops31h 11m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$598
This Kiwi.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/73:41 pm
PHL
- AVV
3 stops52h 04m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$602
This FlightHub deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/247:00 pm
PHL
- SYD
1 stop23h 00m
Qantas Airways
Deal found 2/16![Qantas Airways logo]()
$629
This Kiwi.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1810:18 pm
PHL
- AVV
3 stops55h 02m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$636
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:58 pm
PHL
- PER
2 stops45h 17m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$646
Find flight deals from Philadelphia to Australia
Keep the following information in mind while searching for Philadelphia to Australia flight deals. Data was last updated February 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $972 (oojo) |
One-way from | $521 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $1,071 |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia to Australia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 18, 2026.
Use the filters below to find and compare flights from Philadelphia to Australia that are best for you.
Fly from
Philadelphia
Fly to
Australia
Route
Depart
Return
Price
PhiladelphiaBrisbane
PHL - BNE
PHLBNE
Philadelphia
Tue 3/24
5:17 pm-5:10 pm
2 stops33h 53m
Brisbane
Fri 4/10
8:35 pm-5:52 am
1 stop23h 17m
$972
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Sun 3/1
2:16 pm-9:00 am
1 stop26h 44m
Sydney Kingsford Smith
Mon 3/16
11:20 am-7:42 pm
1 stop23h 22m
$1,043
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Wed 3/4
10:45 am-9:00 am
1 stop30h 15m
Sydney Kingsford Smith
Tue 3/10
11:20 am-7:48 pm
2 stops23h 28m
$1,057
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Sun 3/1
10:45 am-9:00 am
1 stop30h 15m
Sydney Kingsford Smith
Tue 3/24
11:20 am-8:06 pm
2 stops23h 46m
$1,058
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Sun 3/1
10:37 am-8:30 am
2 stops29h 53m
Sydney Kingsford Smith
Mon 3/16
1:15 pm-11:00 pm
2 stops24h 45m
$1,076
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Sun 3/29
2:18 pm-8:05 am
1 stop26h 47m
Sydney Kingsford Smith
Wed 4/8
9:10 am-6:54 pm
1 stop23h 44m
$1,106
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Sun 3/29
2:18 pm-8:05 am
1 stop26h 47m
Sydney Kingsford Smith
Tue 4/7
9:10 am-6:54 pm
1 stop23h 44m
$1,106
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Tue 3/31
2:18 pm-8:05 am
1 stop26h 47m
Sydney Kingsford Smith
Sun 4/5
9:10 am-7:42 pm
1 stop24h 32m
$1,106
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Sat 3/14
6:00 am-6:05 am
2 stops33h 05m
Sydney Kingsford Smith
Sat 3/21
1:15 pm-8:52 pm
2 stops22h 37m
$1,226
PhiladelphiaMelbourne
PHL - MEL
PHLMEL
Philadelphia
Sun 3/22
5:17 pm-3:35 pm
2 stops31h 18m
Melbourne
Sat 3/28
12:00 pm-5:51 am
1 stop32h 51m
$1,246
Showing 1-10 of 60 results
Best time to book a flight from Philadelphia to Australia
Have a flexible travel schedule? Discover the best time to fly to Australia from Philadelphia with our price prediction graph.
PHL-BNE
PHL-SYD
PHL-MEL
PHL-PER
PHL-AVV
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Philadelphia to Australia
PHL-AU0
PHL-BNE
PHL-SYD
PHL-MEL
PHL-PER
What is the cheapest month to book a flight from Philadelphia to Australia?
Currently, September is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $166). Flying from Philadelphia to Australia in January is currently the most expensive (average of $975). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Australia
Get insights into the airlines that provide service to Australia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Australia. Reviews last updated February 18, 2026.
See what other customers who have flown with Fiji Airways, Qantas Airways, and United Airlines from Philadelphia to Australia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
7.5
Crew
8.5
Overall
8.0
Boarding
8.1
Food
7.5
Reviews
1 / 18
10.0
ExcellentAnonymous,Feb 2026
SFO - NAN
Comfort
8.0
Entertainment
7.5
Crew
8.5
Overall
8.0
Boarding
8.1
Food
7.5
Reviews
1 / 18
10.0
ExcellentAnonymous,Feb 2026
SFO - NAN
Comfort
8.0
Entertainment
7.5
Crew
8.5
Overall
8.0
Boarding
8.1
Food
7.5
Reviews
1 / 18
10.0
ExcellentAnonymous,Feb 2026
SFO - NAN
Comfort
8.0
Entertainment
7.5
Crew
8.5
Overall
8.0
Boarding
8.1
Food
7.5
Reviews
1 / 18
10.0
ExcellentAnonymous,Feb 2026
SFO - NAN
Comfort
8.0
Entertainment
7.5
Crew
8.5
Overall
8.0
Boarding
8.1
Food
7.5
Reviews
1 / 18
10.0
ExcellentAnonymous,Feb 2026
SFO - NAN
Comfort
8.0
Entertainment
7.5
Crew
8.5
Overall
8.0
Boarding
8.1
Food
7.5
Reviews
1 / 18
10.0
ExcellentAnonymous,Feb 2026
SFO - NAN
Related info for your journey
Find useful and relevant information for your journey from Philadelphia to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Philadelphia to Australia
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Complete your trip
Complete your trip to Australia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Philadelphia to Australia by cabin class
Find flights from Philadelphia to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Philadelphia and Australia flights
Browse other Philadelphia and Australia flight options. Last updated on February 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Philadelphia to Australia flights
Consider these flights traveling from Philadelphia to Australia.
Fly to Australia regions
Consider these flights traveling to Australia regions.
Top 8 airlines flying from Philadelphia to Australia
Discover the top 8 airlines that operate flights from Philadelphia to Australia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$535 | Average$879 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$539 | Average$1,591 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$765 | Average$1,384 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$945 | Average$1,827 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$954 | Average$1,514 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,198 | Average$1,673 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,298 | Average$1,608 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,418 | Average$1,548 | FlexibilityNo cancel fee | On-time78% |