$524+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
Apr 19 — Apr 261
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to Australia with Cheapflights
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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 March 20, 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 March 20, 2026.
This Jetabroad deal was found by Cheapflights users on 3/18. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:32 pm
PHL
- MEL
2 stops34h 48m
Multiple Airlines
Sat 5/97:30 am
MEL
- PHL
2 stops29h 17m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$1,111
This United Airlines deal was found by Cheapflights users on 3/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/196:23 pm
PHL
- SYD
1 stop22h 32m
United Airlines
Wed 7/810:20 am
SYD
- PHL
2 stops33h 11m
United Airlines
Deal found 3/18![United Airlines logo]()
$1,128
This United Airlines deal was found by Cheapflights users on 3/19. 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.
Tue 5/269:25 am
PHL
- SYD
1 stop31h 30m
United Airlines
Thu 8/2010:20 am
SYD
- PHL
1 stop24h 42m
United Airlines
Deal found 3/19![United Airlines logo]()
$1,129
This United Airlines deal was found by Cheapflights users on 3/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:06 pm
PHL
- SYD
1 stop22h 49m
United Airlines
Sun 5/249:30 am
SYD
- PHL
2 stops23h 48m
United Airlines
Deal found 3/18![United Airlines logo]()
$1,132
This United Airlines deal was found by Cheapflights users on 3/19. 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.
Wed 5/274:14 pm
PHL
- SYD
2 stops24h 46m
United Airlines
Fri 8/219:30 am
SYD
- PHL
2 stops25h 32m
United Airlines
Deal found 3/19![United Airlines logo]()
$1,133
This United Airlines deal was found by Cheapflights users on 3/19. 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.
Tue 5/269:25 am
PHL
- SYD
1 stop31h 30m
United Airlines
Sat 8/2210:20 am
SYD
- PHL
1 stop35h 29m
United Airlines
Deal found 3/19![United Airlines logo]()
$1,140
This Qantas Airways deal was found by Cheapflights users on 3/15. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/61:57 pm
PHL
- BNE
1 stop24h 53m
Multiple Airlines
Sun 11/151:10 pm
BNE
- PHL
1 stop25h 36m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$1,143
This oojo deal was found by Cheapflights users on 3/15. 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.
Tue 11/31:00 pm
PHL
- SYD
1 stop25h 55m
Qantas Airways
Tue 11/109:50 pm
SYD
- PHL
2 stops32h 47m
Qantas Airways
Deal found 3/15![Qantas Airways logo]()
$1,143
This United Airlines deal was found by Cheapflights users on 3/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:00 am
PHL
- SYD
1 stop34h 55m
United Airlines
Sat 5/1610:20 am
SYD
- PHL
2 stops28h 39m
United Airlines
Deal found 3/18![United Airlines logo]()
$1,144
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Fri 11/62:09 pm
PHL
- BNE
2 stops24h 41m
American Airlines
Sun 11/151:10 pm
BNE
- PHL
2 stops21h 44m
American Airlines
Deal found 3/15![American Airlines logo]()
$1,148
This United Airlines deal was found by Cheapflights users on 3/19. 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.
Sat 4/185:00 pm
PHL
- SYD
2 stops48h 00m
United Airlines
Sat 4/259:30 am
SYD
- PHL
2 stops36h 45m
United Airlines
Deal found 3/19![United Airlines logo]()
$1,150
This oojo deal was found by Cheapflights users on 3/17. 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.
Tue 11/31:00 pm
PHL
- MEL
1 stop24h 00m
Qantas Airways
Tue 11/1710:15 am
MEL
- PHL
2 stops25h 48m
Qantas Airways
Deal found 3/17![Qantas Airways logo]()
$1,170
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 March 20, 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 March 20, 2026.
This United Airlines deal was found by Cheapflights users on 3/19. 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.
Fri 6/196:23 pm
PHL
- SYD
1 stop22h 32m
United Airlines
Fri 7/310:20 am
SYD
- PHL
2 stops37h 19m
United Airlines
Deal found 3/19![United Airlines logo]()
$1,133
This Jetabroad deal was found by Cheapflights users on 3/17. 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 5/26:32 pm
PHL
- MEL
2 stops34h 48m
Multiple Airlines
Sat 5/97:30 am
MEL
- PHL
2 stops29h 17m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$1,134
This Cheapflightsfares deal was found by Cheapflights users on 3/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:32 pm
PHL
- BNE
2 stops26h 58m
Qantas Airways
Mon 6/18:35 pm
BNE
- PHL
1 stop24h 25m
Qantas Airways
Deal found 3/17![Qantas Airways logo]()
$1,325
This American Airlines deal was found by Cheapflights users on 3/16. 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.
Sat 6/2012:07 pm
PHL
- BNE
2 stops26h 53m
American Airlines
Sat 7/48:35 pm
BNE
- PHL
2 stops23h 01m
American Airlines
Deal found 3/16![American Airlines logo]()
$1,348
This Delta deal was found by Cheapflights users on 3/15. 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.
Thu 5/282:23 pm
PHL
- SYD
2 stops26h 27m
Delta
Tue 8/259:15 am
SYD
- PHL
2 stops25h 18m
Delta
Deal found 3/15![Delta logo]()
$1,364
This oojo deal was found by Cheapflights users on 3/15. 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.
Fri 7/316:15 am
PHL
- OOL
2 stops38h 30m
Air New Zealand
Sat 8/811:55 am
OOL
- PHL
2 stops38h 03m
Air New Zealand
Deal found 3/15![Air New Zealand logo]()
$1,461
This Air Canada deal was found by Cheapflights users on 3/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:00 am
PHL
- BNE
3 stops39h 30m
Air Canada
Wed 6/178:45 pm
BNE
- PHL
3 stops51h 29m
Air Canada
Deal found 3/16![Air Canada logo]()
$1,481
This BusinessClass deal was found by Cheapflights users on 3/14. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:33 pm
PHL
- PER
2 stops29h 22m
Qatar Airways
Wed 5/610:45 pm
PER
- PHL
1 stop46h 20m
Qatar Airways
Deal found 3/14![Qatar Airways logo]()
$1,784
This United Airlines deal was found by Cheapflights users on 3/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:04 pm
PHL
- SYD
2 stops27h 56m
United Airlines
Mon 7/1310:20 am
SYD
- PHL
1 stop20h 57m
United Airlines
Deal found 3/18![United Airlines logo]()
$1,182
This Jetabroad deal was found by Cheapflights users on 3/15. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:10 am
PHL
- OOL
3 stops41h 30m
ANA
Sun 8/167:05 am
OOL
- PHL
3 stops45h 00m
ANA
Deal found 3/15![ANA logo]()
$2,556
This Qantas Airways deal was found by Cheapflights users on 3/16. 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.
Sat 6/205:40 pm
PHL
- BNE
1 stop21h 20m
Multiple Airlines
Sat 7/48:35 pm
BNE
- PHL
1 stop25h 22m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$1,343
This Qantas Airways deal was found by Cheapflights users on 3/15. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:43 pm
PHL
- SYD
1 stop23h 22m
Qantas Airways
Wed 8/1912:00 pm
SYD
- PHL
1 stop24h 27m
Qantas Airways
Deal found 3/15![Qantas Airways logo]()
$1,356
This United Airlines deal was found by Cheapflights users on 3/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/29:25 am
PHL
- SYD
1 stop31h 30m
United Airlines
Fri 8/710:20 am
SYD
- PHL
1 stop29h 09m
United Airlines
Deal found 3/18![United Airlines logo]()
$1,236
This American Airlines deal was found by Cheapflights users on 3/19. 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 5/33:27 pm
PHL
- MEL
2 stops25h 18m
American Airlines
Sun 5/109:45 am
MEL
- PHL
2 stops25h 02m
American Airlines
Deal found 3/19![American Airlines logo]()
$1,445
This Delta deal was found by Cheapflights users on 3/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:00 am
PHL
- MEL
2 stops35h 50m
Delta
Wed 5/2010:00 am
MEL
- PHL
2 stops24h 49m
Delta
Deal found 3/16![Delta logo]()
$1,464
This oojo deal was found by Cheapflights users on 3/15. 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.
Thu 4/3012:54 pm
PHL
- OOL
2 stops31h 51m
Air New Zealand
Thu 5/76:45 pm
OOL
- PHL
2 stops55h 04m
Air New Zealand
Deal found 3/15![Air New Zealand logo]()
$1,466
This Qantas Airways deal was found by Cheapflights users on 3/15. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/273:29 pm
PHL
- SYD
1 stop25h 36m
Qantas Airways
Tue 8/2512:00 pm
SYD
- PHL
1 stop20h 47m
Qantas Airways
Deal found 3/15![Qantas Airways logo]()
$1,356
This Air Canada deal was found by Cheapflights users on 3/17. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1310:05 am
PHL
- BNE
2 stops31h 00m
Multiple Airlines
Sun 5/248:40 pm
BNE
- PHL
3 stops40h 03m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$1,445
This Bravofly deal was found by Cheapflights users on 3/18. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/23:21 pm
PHL
- MEL
1 stop23h 39m
Qantas Airways
Sat 5/94:35 pm
MEL
- PHL
2 stops27h 17m
Qantas Airways
Deal found 3/18![Qantas Airways logo]()
$1,358
This Delta deal was found by Cheapflights users on 3/15. 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.
Fri 8/73:10 pm
PHL
- MEL
2 stops26h 40m
Delta
Fri 8/2110:00 am
MEL
- PHL
2 stops33h 43m
Delta
Deal found 3/15![Delta logo]()
$1,514
This Air Canada deal was found by Cheapflights users on 3/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:05 am
PHL
- BNE
2 stops31h 00m
Multiple Airlines
Sat 9/58:40 pm
BNE
- PHL
3 stops40h 06m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$1,447
This United Airlines deal was found by Cheapflights users on 3/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/169:25 am
PHL
- OOL
2 stops37h 00m
United Airlines
Thu 8/207:05 am
OOL
- PHL
2 stops24h 25m
United Airlines
Deal found 3/18![United Airlines logo]()
$1,505
This oojo deal was found by Cheapflights users on 3/15. 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 4/293:21 pm
PHL
- MEL
1 stop23h 39m
Qantas Airways
Wed 5/69:45 am
MEL
- PHL
1 stop23h 09m
Qantas Airways
Deal found 3/15![Qantas Airways logo]()
$1,390
This Air Canada deal was found by Cheapflights users on 3/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:00 am
PHL
- AVV
3 stops42h 10m
Multiple Airlines
Mon 6/158:55 pm
AVV
- PHL
3 stops50h 53m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$1,451
This Qatar Airways deal was found by Cheapflights users on 3/17. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/14:33 pm
PHL
- PER
2 stops31h 22m
Qatar Airways
Wed 5/1310:45 pm
PER
- PHL
1 stop46h 20m
Qatar Airways
Deal found 3/17![Qatar Airways logo]()
$1,940
This Qantas Airways deal was found by Cheapflights users on 3/19. 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.
Sat 5/163:42 pm
PHL
- BNE
1 stop23h 18m
Qantas Airways
Tue 5/268:35 pm
BNE
- PHL
1 stop24h 25m
Qantas Airways
Deal found 3/19![Qantas Airways logo]()
$1,395
This United Airlines deal was found by Cheapflights users on 3/19. 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.
Fri 6/129:25 am
PHL
- ADL
2 stops36h 10m
United Airlines
Thu 7/96:05 am
ADL
- PHL
3 stops36h 56m
United Airlines
Deal found 3/19![United Airlines logo]()
$1,547
This Air New Zealand deal was found by Cheapflights users on 3/16. 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 Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:04 pm
PHL
- SYD
2 stops31h 36m
Multiple Airlines
Mon 7/1311:55 am
SYD
- PHL
3 stops35h 44m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$1,469
This United Airlines deal was found by Cheapflights users on 3/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/169:25 am
PHL
- ADL
2 stops36h 10m
United Airlines
Thu 7/96:05 am
ADL
- PHL
3 stops36h 56m
United Airlines
Deal found 3/18![United Airlines logo]()
$1,547
This Qantas Airways deal was found by Cheapflights users on 3/19. 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 5/194:20 pm
PHL
- BNE
2 stops27h 45m
Qantas Airways
Wed 5/277:55 am
BNE
- PHL
2 stops28h 05m
Qantas Airways
Deal found 3/19![Qantas Airways logo]()
$1,428
Last-minute flights from Philadelphia to AustraliaDiscover last-minute flight deals from Philadelphia to Australia. Data last updated March 20, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Australia. Data last updated March 20, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 3/15. 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.
Thu 4/25:17 pm
PHL
- BNE
2 stops51h 03m
Qantas Airways
Mon 4/208:50 pm
BNE
- PHL
2 stops48h 18m
Qantas Airways
Deal found 3/15![Qantas Airways logo]()
$1,366
This oojo deal was found by Cheapflights users on 3/15. 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.
Mon 4/64:27 pm
PHL
- MEL
1 stop22h 33m
Qantas Airways
Tue 5/263:40 pm
MEL
- PHL
2 stops29h 20m
Qantas Airways
Deal found 3/15![Qantas Airways logo]()
$1,271
This United Airlines deal was found by Cheapflights users on 3/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/131:27 pm
PHL
- SYD
2 stops27h 33m
United Airlines
Mon 4/279:30 am
SYD
- PHL
2 stops36h 45m
United Airlines
Deal found 3/18![United Airlines logo]()
$1,132
This United Airlines deal was found by Cheapflights users on 3/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/131:27 pm
PHL
- SYD
2 stops27h 33m
United Airlines
Mon 4/209:30 am
SYD
- PHL
2 stops38h 28m
United Airlines
Deal found 3/18![United Airlines logo]()
$1,200
This Kiwi.com deal was found by Cheapflights users on 3/14. 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.
Mon 4/133:43 pm
PHL
- SYD
1 stop25h 22m
Qantas Airways
Mon 4/209:10 am
SYD
- PHL
1 stop23h 44m
Qantas Airways
Deal found 3/14![Qantas Airways logo]()
$1,289
This American Airlines deal was found by Cheapflights users on 3/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/133:43 pm
PHL
- SYD
1 stop25h 47m
American Airlines
Mon 4/209:10 am
SYD
- PHL
2 stops25h 54m
American Airlines
Deal found 3/14![American Airlines logo]()
$1,298
This oojo deal was found by Cheapflights users on 3/17. 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.
Mon 4/133:43 pm
PHL
- SYD
2 stops27h 52m
Qantas Airways
Mon 4/2712:00 pm
SYD
- PHL
1 stop22h 34m
Qantas Airways
Deal found 3/17![Qantas Airways logo]()
$1,328
This United Airlines deal was found by Cheapflights users on 3/19. 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.
Sat 4/185:00 pm
PHL
- SYD
2 stops48h 00m
United Airlines
Sat 4/259:30 am
SYD
- PHL
2 stops36h 45m
United Airlines
Deal found 3/19![United Airlines logo]()
$1,150
This oojo deal was found by Cheapflights users on 3/15. 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.
Tue 4/216:32 pm
PHL
- MEL
1 stop44h 28m
Qantas Airways
Tue 5/53:40 pm
MEL
- PHL
2 stops28h 12m
Qantas Airways
Deal found 3/15![Qantas Airways logo]()
$1,286
This oojo deal was found by Cheapflights users on 3/15. 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.
Tue 4/217:59 pm
PHL
- MEL
2 stops48h 56m
Air New Zealand
Tue 5/56:55 pm
MEL
- PHL
2 stops41h 39m
Air New Zealand
Deal found 3/15![Air New Zealand logo]()
$1,341
This Priceline deal was found by Cheapflights users on 3/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:37 pm
PHL
- SYD
1 stop23h 28m
Qantas Airways
Wed 5/69:10 am
SYD
- PHL
1 stop23h 44m
Qantas Airways
Deal found 3/15![Qantas Airways logo]()
$1,302
This oojo deal was found by Cheapflights users on 3/15. 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 4/2912:55 pm
PHL
- MEL
2 stops32h 00m
Air New Zealand
Wed 5/612:10 pm
MEL
- PHL
2 stops24h 24m
Air New Zealand
Deal found 3/15![Air New Zealand logo]()
$1,310
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 March 20, 2026.
Search for one-way flight options from Philadelphia to Australia. Find affordable one-way fares based on user searches. Data last updated March 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/218:00 am
PHL
- SYD
3 stops37h 50m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$524
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:30 am
PHL
- SYD
3 stops39h 20m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$535
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 7/2710:11 am
PHL
- SYD
3 stops35h 39m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$540
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:16 pm
PHL
- SYD
3 stops48h 34m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$546
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 7/305:06 pm
PHL
- SYD
3 stops52h 44m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$562
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Sat 8/16:00 am
PHL
- SYD
3 stops50h 10m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$568
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 7/286:30 am
PHL
- SYD
3 stops39h 20m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$594
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 7/2912:03 pm
PHL
- SYD
3 stops33h 47m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$625
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 6/78:35 pm
PHL
- BNE
3 stops48h 00m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$635
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:10 am
PHL
- ADL
3 stops50h 20m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$685
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Fri 4/249:41 pm
PHL
- MEL
3 stops55h 39m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$714
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 5/146:10 am
PHL
- PER
3 stops51h 30m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$746
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 March 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,111 (Jetabroad) |
One-way from | $524 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $1,518 |
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 March 20, 2026.
Use the filters below to find and compare flights from Philadelphia to Australia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Fri 6/19
6:23 pm-6:55 am
1 stop22h 32m
Sydney Kingsford Smith
Fri 7/3
10:20 am-9:39 am
2 stops37h 19m
$1,133
PhiladelphiaMelbourne
PHL - MEL
PHLMEL
Philadelphia
Sat 5/2
6:32 pm-7:20 pm
2 stops34h 48m
Melbourne
Sat 5/9
7:30 am-10:47 pm
2 stops29h 17m
$1,134
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Wed 7/1
1:04 pm-7:00 am
2 stops27h 56m
Sydney Kingsford Smith
Mon 7/13
10:20 am-5:17 pm
1 stop20h 57m
$1,182
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Sun 8/2
9:25 am-6:55 am
1 stop31h 30m
Sydney Kingsford Smith
Fri 8/7
10:20 am-1:29 am
1 stop29h 09m
$1,236
PhiladelphiaBrisbane
PHL - BNE
PHLBNE
Philadelphia
Mon 5/11
6:32 pm-11:30 am
2 stops26h 58m
Brisbane
Mon 6/1
8:35 pm-7:00 am
1 stop24h 25m
$1,325
PhiladelphiaBrisbane
PHL - BNE
PHLBNE
Philadelphia
Sat 6/20
5:40 pm-5:00 am
1 stop21h 20m
Brisbane
Sat 7/4
8:35 pm-7:57 am
1 stop25h 22m
$1,343
PhiladelphiaBrisbane
PHL - BNE
PHLBNE
Philadelphia
Sat 6/20
12:07 pm-5:00 am
2 stops26h 53m
Brisbane
Sat 7/4
8:35 pm-5:36 am
2 stops23h 01m
$1,348
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Tue 5/26
5:43 pm-7:05 am
1 stop23h 22m
Sydney Kingsford Smith
Wed 8/19
12:00 pm-10:27 pm
1 stop24h 27m
$1,356
Quickest round-trip
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Wed 5/27
3:29 pm-7:05 am
1 stop25h 36m
Sydney Kingsford Smith
Tue 8/25
12:00 pm-6:47 pm
1 stop20h 47m
$1,356
PhiladelphiaMelbourne
PHL - MEL
PHLMEL
Philadelphia
Sat 5/2
3:21 pm-5:00 am
1 stop23h 39m
Melbourne
Sat 5/9
4:35 pm-5:52 am
2 stops27h 17m
$1,358
Showing 1-10 of 60 resultsSorted by cheapest first
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-SYD
PHL-BNE
PHL-AVV
PHL-MEL
PHL-ADL
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-SYD
PHL-BNE
PHL-AVV
PHL-MEL
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 $974). 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 March 20, 2026.
See what other customers who have flown with Fiji Airways,Qantas Airways, andUnited 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
8.1
Crew
8.5
Overall
8.1
Food
7.5
Entertainment
7.5
Boarding
8.2
Reviews
1 / 18
10.0
ExcellentAnonymous,Feb 2026
SFO - NAN
Comfort
8.1
Crew
8.5
Overall
8.1
Food
7.5
Entertainment
7.5
Boarding
8.2
Reviews
1 / 18
10.0
ExcellentAnonymous,Feb 2026
SFO - NAN
Comfort
8.1
Crew
8.5
Overall
8.1
Food
7.5
Entertainment
7.5
Boarding
8.2
Reviews
1 / 18
10.0
ExcellentAnonymous,Feb 2026
SFO - NAN
Comfort
8.1
Crew
8.5
Overall
8.1
Food
7.5
Entertainment
7.5
Boarding
8.2
Reviews
1 / 18
10.0
ExcellentAnonymous,Feb 2026
SFO - NAN
Comfort
8.1
Crew
8.5
Overall
8.1
Food
7.5
Entertainment
7.5
Boarding
8.2
Reviews
1 / 18
10.0
ExcellentAnonymous,Feb 2026
SFO - NAN
Comfort
8.1
Crew
8.5
Overall
8.1
Food
7.5
Entertainment
7.5
Boarding
8.2
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 March 20, 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 7 airlines flying from Philadelphia to Australia
Discover the top 7 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 March 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$539 | Average$1,756 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$945 | Average$1,775 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$952 | Average$1,436 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$954 | Average$1,511 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,159 | Average$1,621 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,418 | Average$1,548 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$1,443 | Average$1,698 | FlexibilityNo cancel fee | On-time68% |