$595+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
Jul 27 — Aug 31
Round-trip
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 June 27, 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 June 27, 2026.
This Delta deal was found by Cheapflights users on 6/26. 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 11/115:15 pm
PHL
- BNE
2 stops24h 05m
Delta
Wed 11/1810:40 am
BNE
- PHL
2 stops28h 00m
Delta
Deal found 6/26![Delta logo]()
$1,116
This Trip.com deal was found by Cheapflights users on 6/26. 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 8/1211:06 am
PHL
- BNE
3 stops33h 29m
Multiple Airlines
Wed 8/2611:35 am
BNE
- PHL
3 stops38h 51m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$1,157
This Trip.com deal was found by Cheapflights users on 6/23. 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.
Sun 8/911:06 am
PHL
- SYD
3 stops34h 44m
Multiple Airlines
Tue 8/256:15 am
SYD
- PHL
3 stops44h 11m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$1,182
This oojo deal was found by Cheapflights users on 6/26. 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 11/113:55 pm
PHL
- BNE
1 stop22h 55m
Qantas Airways
Wed 11/181:10 pm
BNE
- PHL
1 stop21h 53m
Qantas Airways
Deal found 6/26![Qantas Airways logo]()
$1,202
This flugladen.de deal was found by Cheapflights users on 6/24. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:30 pm
PHL
- MEL
1 stop29h 20m
Qatar Airways
Wed 9/210:45 pm
MEL
- PHL
1 stop30h 20m
Qatar Airways
Deal found 6/24![Qatar Airways logo]()
$1,208
This Justfly.com deal was found by Cheapflights users on 6/24. 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.
Mon 11/28:30 pm
PHL
- MEL
1 stop29h 20m
Qatar Airways
Wed 11/1111:40 pm
MEL
- PHL
1 stop31h 00m
Qatar Airways
Deal found 6/24![Qatar Airways logo]()
$1,216
This Trip.com deal was found by Cheapflights users on 6/23. 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.
Thu 8/1311:06 am
PHL
- BNE
3 stops33h 34m
Multiple Airlines
Mon 8/2411:55 am
BNE
- PHL
3 stops38h 31m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$1,229
This Qatar Airways deal was found by Cheapflights users on 6/26. 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.
Sun 11/88:30 pm
PHL
- SYD
1 stop42h 20m
Qatar Airways
Wed 11/183:50 pm
SYD
- PHL
1 stop38h 50m
Qatar Airways
Deal found 6/26![Qatar Airways logo]()
$1,234
This FlightHub deal was found by Cheapflights users on 6/26. 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.
Wed 11/118:30 pm
PHL
- SYD
1 stop30h 20m
Qatar Airways
Wed 11/183:50 pm
SYD
- PHL
1 stop38h 50m
Qatar Airways
Deal found 6/26![Qatar Airways logo]()
$1,245
This American Airlines deal was found by Cheapflights users on 6/26. 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 11/113:11 pm
PHL
- BNE
2 stops23h 39m
American Airlines
Wed 11/181:10 pm
BNE
- PHL
1 stop21h 53m
American Airlines
Deal found 6/26![American Airlines logo]()
$1,247
This Air Canada deal was found by Cheapflights users on 6/25. 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 8/1210:05 am
PHL
- BNE
2 stops31h 00m
Air Canada
Wed 8/2610:00 am
BNE
- PHL
2 stops25h 34m
Air Canada
Deal found 6/25![Air Canada logo]()
$1,249
This Air Canada deal was found by Cheapflights users on 6/23. 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.
Sun 8/23:25 pm
PHL
- BNE
2 stops25h 40m
Air Canada
Sun 8/910:00 am
BNE
- PHL
2 stops25h 34m
Air Canada
Deal found 6/23![Air Canada logo]()
$1,251
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 June 27, 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 June 27, 2026.
This Air Canada deal was found by Cheapflights users on 6/26. 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.
Tue 10/207:00 am
PHL
- ADL
3 stops40h 25m
Multiple Airlines
Tue 11/37:40 pm
ADL
- PHL
3 stops42h 46m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$1,310
This FlightHub deal was found by Cheapflights users on 6/26. 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 10/209:30 pm
PHL
- ADL
2 stops32h 15m
Qatar Airways
Tue 11/310:00 pm
ADL
- PHL
1 stop32h 10m
Qatar Airways
Deal found 6/26![Qatar Airways logo]()
$1,325
This United Airlines deal was found by Cheapflights users on 6/25. 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 8/126:36 pm
PHL
- BNE
1 stop21h 54m
United Airlines
Tue 8/2510:30 am
BNE
- PHL
1 stop22h 45m
United Airlines
Deal found 6/25![United Airlines logo]()
$1,405
This American Airlines deal was found by Cheapflights users on 6/24. 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.
Thu 8/1311:14 am
PHL
- BNE
1 stop27h 46m
American Airlines
Mon 8/248:35 pm
BNE
- PHL
1 stop25h 33m
American Airlines
Deal found 6/24![American Airlines logo]()
$1,444
This oojo deal was found by Cheapflights users on 6/22. 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 8/19:50 pm
PHL
- SYD
1 stop42h 35m
Qantas Airways
Sat 8/159:10 am
SYD
- PHL
1 stop23h 24m
Qantas Airways
Deal found 6/22![Qantas Airways logo]()
$1,521
This Delta deal was found by Cheapflights users on 6/22. 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 7/87:30 am
PHL
- SYD
2 stops33h 20m
Delta
Sat 8/19:15 am
SYD
- PHL
2 stops39h 42m
Delta
Deal found 6/22![Delta logo]()
$1,662
This Jetabroad deal was found by Cheapflights users on 6/25. 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.
Sun 8/96:30 pm
PHL
- CBR
2 stops30h 25m
Air New Zealand
Sun 8/166:55 pm
CBR
- PHL
3 stops41h 36m
Air New Zealand
Deal found 6/25![Air New Zealand logo]()
$2,016
This Bravofly deal was found by Cheapflights users on 6/24. 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 8/89:30 pm
PHL
- ADL
2 stops34h 10m
Qatar Airways
Sat 8/1510:00 pm
ADL
- PHL
1 stop30h 35m
Qatar Airways
Deal found 6/24![Qatar Airways logo]()
$1,375
This United Airlines deal was found by Cheapflights users on 6/27. 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 8/121:30 pm
PHL
- BNE
2 stops27h 00m
United Airlines
Sun 8/2310:30 am
BNE
- PHL
2 stops27h 14m
United Airlines
Deal found 6/27![United Airlines logo]()
$1,409
This Air New Zealand deal was found by Cheapflights users on 6/22. 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 8/126:13 pm
PHL
- BNE
2 stops26h 52m
Multiple Airlines
Wed 8/2612:20 pm
BNE
- PHL
3 stops38h 03m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$1,462
This United Airlines deal was found by Cheapflights users on 6/25. 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 11/36:51 pm
PHL
- BNE
3 stops45h 39m
United Airlines
Tue 12/811:40 am
BNE
- PHL
2 stops36h 44m
United Airlines
Deal found 6/25![United Airlines logo]()
$1,410
This FlightHub deal was found by Cheapflights users on 6/25. 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.
Wed 8/129:30 pm
PHL
- OOL
2 stops50h 55m
Qatar Airways
Tue 8/256:00 am
OOL
- PHL
2 stops47h 05m
Qatar Airways
Deal found 6/25![Qatar Airways logo]()
$1,445
This Qantas Airways deal was found by Cheapflights users on 6/24. 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 8/132:08 pm
PHL
- BNE
1 stop24h 52m
Multiple Airlines
Mon 8/248:35 pm
BNE
- PHL
1 stop24h 29m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$1,503
This Qantas Airways deal was found by Cheapflights users on 6/22. 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 7/83:35 pm
PHL
- SYD
1 stop25h 55m
Qantas Airways
Thu 8/69:10 am
SYD
- PHL
1 stop23h 24m
Qantas Airways
Deal found 6/22![Qantas Airways logo]()
$1,675
This United Airlines deal was found by Cheapflights users on 6/24. 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 8/126:36 pm
PHL
- BNE
1 stop21h 54m
United Airlines
Mon 8/246:55 am
BNE
- PHL
2 stops28h 00m
United Airlines
Deal found 6/24![United Airlines logo]()
$1,422
This Qatar Airways deal was found by Cheapflights users on 6/27. 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.
Fri 8/219:30 pm
PHL
- SYD
1 stop29h 40m
Qatar Airways
Thu 9/35:45 pm
SYD
- PHL
2 stops35h 20m
Qatar Airways
Deal found 6/27![Qatar Airways logo]()
$1,465
This Air Canada deal was found by Cheapflights users on 6/25. 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.
Sat 11/219:15 am
PHL
- AVV
3 stops46h 00m
Multiple Airlines
Tue 11/246:00 am
AVV
- PHL
3 stops32h 56m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$1,525
This United Airlines deal was found by Cheapflights users on 6/27. 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 8/123:48 pm
PHL
- MEL
2 stops25h 42m
United Airlines
Sun 8/2310:55 am
MEL
- PHL
1 stop24h 00m
United Airlines
Deal found 6/27![United Airlines logo]()
$1,449
This FlightHub deal was found by Cheapflights users on 6/25. 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.
Thu 8/139:30 pm
PHL
- OOL
2 stops50h 55m
Qatar Airways
Wed 8/261:05 pm
OOL
- PHL
2 stops40h 00m
Qatar Airways
Deal found 6/25![Qatar Airways logo]()
$1,475
This Air New Zealand deal was found by Cheapflights users on 6/25. 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 9/236:13 pm
PHL
- MEL
2 stops26h 42m
Multiple Airlines
Thu 10/111:10 am
MEL
- PHL
3 stops37h 01m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$1,565
This United Airlines deal was found by Cheapflights users on 6/27. 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 7/289:25 am
PHL
- MEL
1 stop32h 50m
United Airlines
Tue 8/410:55 am
MEL
- PHL
2 stops32h 36m
United Airlines
Deal found 6/27![United Airlines logo]()
$1,449
This Qatar Airways deal was found by Cheapflights users on 6/23. 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.
Tue 8/49:30 pm
PHL
- PER
2 stops37h 40m
Qatar Airways
Thu 8/1310:45 pm
PER
- PHL
1 stop28h 20m
Qatar Airways
Deal found 6/23![Qatar Airways logo]()
$1,481
This United Airlines deal was found by Cheapflights users on 6/27. 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 8/116:16 am
PHL
- MEL
3 stops35h 59m
United Airlines
Tue 8/1810:55 am
MEL
- PHL
2 stops24h 48m
United Airlines
Deal found 6/27![United Airlines logo]()
$1,453
This Qatar Airways deal was found by Cheapflights users on 6/25. 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 8/199:30 pm
PHL
- SYD
2 stops33h 25m
Qatar Airways
Tue 8/258:45 pm
SYD
- PHL
1 stop32h 20m
Qatar Airways
Deal found 6/25![Qatar Airways logo]()
$1,495
This Expedia deal was found by Cheapflights users on 6/26. 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 10/15:40 pm
PHL
- PER
2 stops57h 55m
Multiple Airlines
Tue 10/202:00 pm
PER
- PHL
2 stops38h 05m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$1,650
This United Airlines deal was found by Cheapflights users on 6/23. 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 11/29:55 am
PHL
- MEL
3 stops31h 35m
United Airlines
Wed 11/1111:30 am
MEL
- PHL
2 stops23h 56m
United Airlines
Deal found 6/23![United Airlines logo]()
$1,455
This oojo deal was found by Cheapflights users on 6/27. 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 8/122:08 pm
PHL
- AVV
2 stops34h 12m
Qantas Airways
Sun 8/236:00 am
AVV
- PHL
2 stops38h 44m
Qantas Airways
Deal found 6/27![Qantas Airways logo]()
$2,458
This United deal was found by Cheapflights users on 6/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/246:23 pm
PHL
- CBR
2 stops37h 42m
Multiple Airlines
Fri 7/317:15 am
CBR
- PHL
2 stops32h 08m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$1,723
This Qatar Airways deal was found by Cheapflights users on 6/24. 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.
Sat 11/148:30 pm
PHL
- PER
1 stop33h 15m
Qatar Airways
Wed 11/1810:45 pm
PER
- PHL
1 stop28h 55m
Qatar Airways
Deal found 6/24![Qatar Airways logo]()
$1,618
This United Airlines deal was found by Cheapflights users on 6/23. 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 8/79:25 am
PHL
- BNE
1 stop31h 05m
United Airlines
Fri 8/1410:30 am
BNE
- PHL
1 stop24h 25m
United Airlines
Deal found 6/23![United Airlines logo]()
$1,506
Last-minute flights from Philadelphia to AustraliaDiscover last-minute flight deals from Philadelphia to Australia. Data last updated June 27, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Australia. Data last updated June 27, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/25. 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 6/271:25 pm
PHL
- SYD
2 stops27h 25m
Delta
Fri 7/109:15 am
SYD
- PHL
2 stops29h 44m
Delta
Deal found 6/25![Delta logo]()
$1,321
This Delta deal was found by Cheapflights users on 6/26. 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 7/16:25 am
PHL
- SYD
2 stops34h 25m
Delta
Mon 7/139:15 am
SYD
- PHL
2 stops28h 41m
Delta
Deal found 6/26![Delta logo]()
$1,320
This BusinessClass deal was found by Cheapflights users on 6/24. 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 7/18:05 am
PHL
- SYD
2 stops35h 20m
ANA
Mon 7/138:55 pm
SYD
- PHL
2 stops38h 24m
ANA
Deal found 6/24![ANA logo]()
$1,373
This Air Canada deal was found by Cheapflights users on 6/24. 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.
Thu 7/27:00 am
PHL
- SYD
2 stops34h 20m
Air Canada
Wed 7/89:20 am
SYD
- PHL
2 stops43h 29m
Air Canada
Deal found 6/24![Air Canada logo]()
$1,332
This Air Canada deal was found by Cheapflights users on 6/24. 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.
Fri 7/310:05 am
PHL
- SYD
2 stops31h 15m
Air Canada
Tue 7/79:20 am
SYD
- PHL
2 stops43h 29m
Air Canada
Deal found 6/24![Air Canada logo]()
$1,327
This FlightHub deal was found by Cheapflights users on 6/26. 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.
Sun 7/510:05 am
PHL
- SYD
2 stops31h 15m
Air Canada
Sat 7/119:20 am
SYD
- PHL
2 stops34h 11m
Air Canada
Deal found 6/26![Air Canada logo]()
$1,319
This Ovago deal was found by Cheapflights users on 6/26. 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.
Sun 7/57:00 am
PHL
- SYD
1 stop34h 20m
Air New Zealand
Sat 7/119:20 am
SYD
- PHL
2 stops34h 11m
Air New Zealand
Deal found 6/26![Air New Zealand logo]()
$1,374
This Ovago deal was found by Cheapflights users on 6/26. 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.
Sun 7/57:00 am
PHL
- SYD
1 stop34h 20m
Singapore Airlines
Sat 7/119:20 am
SYD
- PHL
1 stop38h 44m
Singapore Airlines
Deal found 6/26![Singapore Airlines logo]()
$1,395
This Ovago deal was found by Cheapflights users on 6/25. 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.
Thu 7/235:38 pm
PHL
- MEL
2 stops35h 42m
Multiple Airlines
Thu 7/307:30 am
MEL
- PHL
2 stops29h 27m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$1,416
This United Airlines deal was found by Cheapflights users on 6/24. 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 7/249:25 am
PHL
- MEL
2 stops35h 55m
United Airlines
Sat 8/86:00 pm
MEL
- PHL
2 stops37h 24m
United Airlines
Deal found 6/24![United Airlines logo]()
$1,544
This United Airlines deal was found by Cheapflights users on 6/27. 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 7/289:25 am
PHL
- MEL
1 stop32h 50m
United Airlines
Tue 8/410:55 am
MEL
- PHL
2 stops32h 36m
United Airlines
Deal found 6/27![United Airlines logo]()
$1,449
This oojo deal was found by Cheapflights users on 6/27. 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 7/283:35 pm
PHL
- MEL
1 stop25h 10m
Qantas Airways
Tue 8/49:45 am
MEL
- PHL
1 stop22h 56m
Qantas Airways
Deal found 6/27![Qantas Airways logo]()
$1,488
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 June 27, 2026.
Search for one-way flight options from Philadelphia to Australia. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 8/128:30 am
PHL
- MEL
3 stops37h 30m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$595
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 11/1712:43 pm
PHL
- SYD
3 stops31h 52m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$597
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 11/1712:43 pm
PHL
- MEL
3 stops31h 37m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$600
This Trip.com deal was found by Cheapflights users on 6/23. 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.
Fri 10/210:37 am
PHL
- SYD
3 stops35h 13m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$604
This Trip.com deal was found by Cheapflights users on 6/25. 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.
Mon 8/318:00 am
PHL
- MEL
3 stops38h 25m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$607
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 8/89:51 am
PHL
- SYD
3 stops35h 59m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$616
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 9/97:00 am
PHL
- MEL
3 stops39h 00m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$627
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 8/3110:40 am
PHL
- BNE
3 stops33h 55m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$630
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 10/198:44 pm
PHL
- MEL
3 stops49h 21m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$643
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 7/2512:44 pm
PHL
- SYD
3 stops33h 06m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$643
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 7/211:28 pm
PHL
- SYD
3 stops32h 22m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$644
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 7/278:24 pm
PHL
- SYD
2 stops49h 26m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$645
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 June 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,116 (Delta) |
One-way from | $595 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,542 |
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 June 27, 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
PhiladelphiaAdelaide
PHL - ADL
PHLADL
Philadelphia
Tue 10/20
7:00 am-1:55 pm
3 stops40h 25m
Adelaide
Tue 11/3
7:40 pm-10:56 pm
3 stops42h 46m
$1,310
PhiladelphiaAdelaide
PHL - ADL
PHLADL
Philadelphia
Tue 10/20
9:30 pm-8:15 pm
2 stops32h 15m
Adelaide
Tue 11/3
10:00 pm-2:40 pm
1 stop32h 10m
$1,325
PhiladelphiaAdelaide
PHL - ADL
PHLADL
Philadelphia
Sat 8/8
9:30 pm-9:10 pm
2 stops34h 10m
Adelaide
Sat 8/15
10:00 pm-3:05 pm
1 stop30h 35m
$1,375
Quickest round-trip
PhiladelphiaBrisbane
PHL - BNE
PHLBNE
Philadelphia
Wed 8/12
6:36 pm-6:30 am
1 stop21h 54m
Brisbane
Tue 8/25
10:30 am-7:15 pm
1 stop22h 45m
$1,405
PhiladelphiaBrisbane
PHL - BNE
PHLBNE
Philadelphia
Wed 8/12
1:30 pm-6:30 am
2 stops27h 00m
Brisbane
Sun 8/23
10:30 am-11:44 pm
2 stops27h 14m
$1,409
PhiladelphiaBrisbane
PHL - BNE
PHLBNE
Philadelphia
Tue 11/3
6:51 pm-7:30 am
3 stops45h 39m
Brisbane
Tue 12/8
11:40 am-9:24 am
2 stops36h 44m
$1,410
PhiladelphiaBrisbane
PHL - BNE
PHLBNE
Philadelphia
Wed 8/12
6:36 pm-6:30 am
1 stop21h 54m
Brisbane
Mon 8/24
6:55 am-8:55 pm
2 stops28h 00m
$1,422
PhiladelphiaBrisbane
PHL - BNE
PHLBNE
Philadelphia
Thu 8/13
11:14 am-5:00 am
1 stop27h 46m
Brisbane
Mon 8/24
8:35 pm-8:08 am
1 stop25h 33m
$1,444
PhiladelphiaCoolangatta
PHL - OOL
PHLOOL
Philadelphia
Wed 8/12
9:30 pm-2:25 pm
2 stops50h 55m
Coolangatta Gold Coast
Tue 8/25
6:00 am-3:05 pm
2 stops47h 05m
$1,445
PhiladelphiaMelbourne
PHL - MEL
PHLMEL
Philadelphia
Wed 8/12
3:48 pm-7:30 am
2 stops25h 42m
Melbourne
Sun 8/23
10:55 am-8:55 pm
1 stop24h 00m
$1,449
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-ADL
PHL-BNE
PHL-SYD
PHL-CBR
PHL-OOL
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-ADL
PHL-BNE
PHL-SYD
PHL-CBR
What is the cheapest month to book a flight from Philadelphia to Australia?
Currently, August is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $250). Flying from Philadelphia to Australia in July is currently the most expensive (average of $1,267). 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.
How far ahead should I book a flight from Philadelphia to Australia?
The price you pay for your flight from Philadelphia to Australia may vary depending on when you book. For the best chance of a lower fare, look to book 38 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 June 27, 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.
Crew
8.6
Comfort
8.1
Boarding
8.2
Entertainment
7.5
Food
7.5
Overall
8.1
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Crew
8.6
Comfort
8.1
Boarding
8.2
Entertainment
7.5
Food
7.5
Overall
8.1
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Crew
8.6
Comfort
8.1
Boarding
8.2
Entertainment
7.5
Food
7.5
Overall
8.1
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Crew
8.6
Comfort
8.1
Boarding
8.2
Entertainment
7.5
Food
7.5
Overall
8.1
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Crew
8.6
Comfort
8.1
Boarding
8.2
Entertainment
7.5
Food
7.5
Overall
8.1
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Crew
8.6
Comfort
8.1
Boarding
8.2
Entertainment
7.5
Food
7.5
Overall
8.1
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - 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 June 27, 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 June 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$765 | Average$1,469 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$843 | Average$1,700 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$945 | Average$1,597 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$954 | Average$1,711 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,159 | Average$1,607 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,418 | Average$1,548 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$1,447 | Average$2,010 | FlexibilityNo cancel fee | On-time68% |