$597+ 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
May 21 — May 281
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 April 21, 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 April 21, 2026.
This Trip.com deal was found by Cheapflights users on 4/21. 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 5/217:55 am
PHL
- SYD
3 stops48h 15m
Multiple Airlines
Thu 5/286:00 am
SYD
- PHL
3 stops37h 37m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$1,216
This oojo deal was found by Cheapflights users on 4/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/31:00 pm
PHL
- BNE
1 stop26h 30m
Qantas Airways
Tue 11/171:10 pm
BNE
- PHL
1 stop21h 53m
Qantas Airways
Deal found 4/18![Qantas Airways logo]()
$1,224
This Trip.com deal was found by Cheapflights users on 4/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:46 am
PHL
- MEL
3 stops35h 14m
Multiple Airlines
Thu 8/131:30 pm
MEL
- PHL
3 stops47h 50m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$1,235
This Fareboom deal was found by Cheapflights users on 4/20. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:30 pm
PHL
- BNE
1 stop31h 00m
Qatar Airways
Thu 10/810:10 pm
BNE
- PHL
1 stop48h 50m
Qatar Airways
Deal found 4/20![Qatar Airways logo]()
$1,242
This American Airlines deal was found by Cheapflights users on 4/18. 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 11/33:35 pm
PHL
- BNE
2 stops23h 55m
American Airlines
Tue 11/171:10 pm
BNE
- PHL
2 stops22h 13m
American Airlines
Deal found 4/18![American Airlines logo]()
$1,257
This Ovago deal was found by Cheapflights users on 4/18. 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 5/166:32 pm
PHL
- MEL
2 stops34h 48m
Multiple Airlines
Sat 5/237:30 am
MEL
- PHL
2 stops29h 23m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$1,269
This oojo deal was found by Cheapflights users on 4/16. 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.
Sun 4/195:37 pm
PHL
- SYD
1 stop23h 28m
Qantas Airways
Mon 5/119:10 am
SYD
- PHL
1 stop23h 44m
Qantas Airways
Deal found 4/16![Qantas Airways logo]()
$1,274
This FlightHub deal was found by Cheapflights users on 4/16. 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.
Sun 11/87:50 pm
PHL
- SYD
1 stop31h 00m
Qatar Airways
Wed 11/189:40 pm
SYD
- PHL
1 stop51h 20m
Qatar Airways
Deal found 4/16![Qatar Airways logo]()
$1,275
This Trip.com deal was found by Cheapflights users on 4/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:00 am
PHL
- BNE
3 stops37h 35m
Multiple Airlines
Mon 6/111:55 am
BNE
- PHL
3 stops56h 26m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,277
This oojo deal was found by Cheapflights users on 4/20. 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 11/83:55 pm
PHL
- SYD
2 stops27h 00m
Qantas Airways
Wed 11/189:25 pm
SYD
- PHL
1 stop26h 00m
Qantas Airways
Deal found 4/20![Qantas Airways logo]()
$1,282
This oojo deal was found by Cheapflights users on 4/16. 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 7/15:40 pm
PHL
- SYD
1 stop23h 25m
Qantas Airways
Mon 7/139:10 am
SYD
- PHL
1 stop23h 18m
Qantas Airways
Deal found 4/16![Qantas Airways logo]()
$1,284
This oojo deal was found by Cheapflights users on 4/16. 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 8/46:01 pm
PHL
- SYD
1 stop23h 04m
Qantas Airways
Tue 9/112:00 pm
SYD
- PHL
1 stop23h 03m
Qantas Airways
Deal found 4/16![Qantas Airways logo]()
$1,285
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 April 21, 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 April 21, 2026.
This United Airlines deal was found by Cheapflights users on 4/19. 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 4/296:21 pm
PHL
- SYD
1 stop22h 34m
United Airlines
Sun 5/1010:20 am
SYD
- PHL
1 stop20h 39m
United Airlines
Deal found 4/19![United Airlines logo]()
$1,318
This Qantas Airways deal was found by Cheapflights users on 4/16. 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 5/3111:00 am
PHL
- BNE
1 stop28h 00m
Multiple Airlines
Sun 6/78:35 pm
BNE
- PHL
1 stop24h 25m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$1,393
This American Airlines deal was found by Cheapflights users on 4/19. 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.
Mon 5/113:21 pm
PHL
- BNE
2 stops23h 39m
American Airlines
Mon 6/18:35 pm
BNE
- PHL
2 stops24h 40m
American Airlines
Deal found 4/19![American Airlines logo]()
$1,399
This Bravofly deal was found by Cheapflights users on 4/16. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/313:29 pm
PHL
- MEL
1 stop25h 16m
Qantas Airways
Sun 6/79:45 am
MEL
- PHL
1 stop35h 15m
Qantas Airways
Deal found 4/16![Qantas Airways logo]()
$1,410
This Delta deal was found by Cheapflights users on 4/16. 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.
Sun 5/317:01 pm
PHL
- MEL
2 stops46h 49m
Delta
Sun 6/710:00 am
MEL
- PHL
2 stops27h 59m
Delta
Deal found 4/16![Delta logo]()
$1,487
This Jetabroad deal was found by Cheapflights users on 4/21. 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.
Tue 5/199:30 am
PHL
- CBR
3 stops39h 25m
Air New Zealand
Tue 5/266:30 pm
CBR
- PHL
3 stops41h 59m
Air New Zealand
Deal found 4/21![Air New Zealand logo]()
$2,302
This United Airlines deal was found by Cheapflights users on 4/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:15 am
PHL
- SYD
2 stops34h 45m
United Airlines
Mon 7/139:30 am
SYD
- PHL
2 stops28h 14m
United Airlines
Deal found 4/16![United Airlines logo]()
$1,322
This American Airlines deal was found by Cheapflights users on 4/18. 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 6/21:27 pm
PHL
- BNE
2 stops25h 33m
American Airlines
Tue 6/98:35 pm
BNE
- PHL
2 stops27h 21m
American Airlines
Deal found 4/18![American Airlines logo]()
$1,399
This United Airlines deal was found by Cheapflights users on 4/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:45 pm
PHL
- SYD
2 stops45h 15m
United Airlines
Sun 6/149:30 am
SYD
- PHL
2 stops28h 14m
United Airlines
Deal found 4/17![United Airlines logo]()
$1,340
This Delta deal was found by Cheapflights users on 4/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:25 am
PHL
- MEL
2 stops34h 25m
Delta
Wed 6/1010:00 am
MEL
- PHL
2 stops23h 20m
Delta
Deal found 4/18![Delta logo]()
$1,488
This oojo deal was found by Cheapflights users on 4/16. 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.
Sat 5/168:10 pm
PHL
- CBR
2 stops49h 55m
Qantas Airways
Sat 5/231:40 pm
CBR
- PHL
2 stops42h 55m
Qantas Airways
Deal found 4/16![Qantas Airways logo]()
$1,490
This Expedia deal was found by Cheapflights users on 4/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/168:10 pm
PHL
- AVV
2 stops52h 00m
Multiple Airlines
Sat 5/234:40 pm
AVV
- PHL
2 stops39h 55m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$1,515
This American Airlines deal was found by Cheapflights users on 4/20. 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 5/133:21 pm
PHL
- BNE
2 stops23h 39m
American Airlines
Sun 5/248:35 pm
BNE
- PHL
2 stops24h 41m
American Airlines
Deal found 4/20![American Airlines logo]()
$1,399
This United Airlines deal was found by Cheapflights users on 4/19. 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 6/136:45 pm
PHL
- SYD
2 stops46h 15m
United Airlines
Sun 6/219:30 am
SYD
- PHL
2 stops36h 20m
United Airlines
Deal found 4/19![United Airlines logo]()
$1,340
This Expedia deal was found by Cheapflights users on 4/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/155:40 pm
PHL
- AVV
2 stops39h 10m
Multiple Airlines
Fri 7/36:00 am
AVV
- PHL
2 stops39h 00m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$1,580
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Tue 6/233:07 pm
PHL
- BNE
2 stops23h 53m
American Airlines
Mon 6/298:35 pm
BNE
- PHL
2 stops24h 50m
American Airlines
Deal found 4/16![American Airlines logo]()
$1,468
This Qantas Airways deal was found by Cheapflights users on 4/17. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:33 pm
PHL
- PER
2 stops37h 27m
Qantas Airways
Tue 8/2510:30 am
PER
- PHL
2 stops44h 04m
Qantas Airways
Deal found 4/17![Qantas Airways logo]()
$1,653
This United Airlines deal was found by Cheapflights users on 4/18. 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 4/296:21 pm
PHL
- SYD
1 stop22h 34m
United Airlines
Fri 5/810:20 am
SYD
- PHL
1 stop20h 39m
United Airlines
Deal found 4/18![United Airlines logo]()
$1,368
This oojo deal was found by Cheapflights users on 4/20. 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 6/43:29 pm
PHL
- CNS
2 stops29h 46m
Multiple Airlines
Thu 6/117:10 pm
CNS
- PHL
2 stops37h 25m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,639
This American Airlines deal was found by Cheapflights users on 4/19. 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.
Thu 5/2112:51 pm
PHL
- BNE
2 stops26h 09m
American Airlines
Thu 6/118:35 pm
BNE
- PHL
2 stops23h 44m
American Airlines
Deal found 4/19![American Airlines logo]()
$1,499
This United Airlines deal was found by Cheapflights users on 4/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/31:31 pm
PHL
- SYD
2 stops27h 29m
United Airlines
Sun 8/309:30 am
SYD
- PHL
2 stops38h 16m
United Airlines
Deal found 4/16![United Airlines logo]()
$1,372
This Qantas Airways deal was found by Cheapflights users on 4/17. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/293:33 pm
PHL
- PER
2 stops43h 12m
Qantas Airways
Sun 8/3010:30 am
PER
- PHL
2 stops32h 12m
Qantas Airways
Deal found 4/17![Qantas Airways logo]()
$1,675
This Trip.com deal was found by Cheapflights users on 4/20. 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 6/510:40 am
PHL
- OOL
3 stops35h 00m
Multiple Airlines
Fri 6/1212:15 pm
OOL
- PHL
3 stops37h 32m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,652
This United Airlines deal was found by Cheapflights users on 4/19. 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.
Thu 4/301:20 pm
PHL
- SYD
3 stops27h 40m
United Airlines
Wed 5/69:30 am
SYD
- PHL
2 stops24h 07m
United Airlines
Deal found 4/19![United Airlines logo]()
$1,373
This American Airlines deal was found by Cheapflights users on 4/21. 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 6/143:29 pm
PHL
- BNE
1 stop23h 31m
American Airlines
Fri 6/198:35 pm
BNE
- PHL
1 stop25h 31m
American Airlines
Deal found 4/21![American Airlines logo]()
$1,514
This Qantas Airways deal was found by Cheapflights users on 4/17. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:01 pm
PHL
- PER
2 stops34h 59m
Qantas Airways
Sun 8/3010:30 am
PER
- PHL
2 stops32h 12m
Qantas Airways
Deal found 4/17![Qantas Airways logo]()
$1,687
This United Airlines deal was found by Cheapflights users on 4/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:45 pm
PHL
- SYD
2 stops45h 15m
United Airlines
Sat 5/910:20 am
SYD
- PHL
2 stops27h 23m
United Airlines
Deal found 4/17![United Airlines logo]()
$1,390
This Qantas Airways deal was found by Cheapflights users on 4/16. 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 9/125:43 pm
PHL
- MCY
2 stops47h 57m
Qantas Airways
Wed 9/164:50 pm
MCY
- PHL
2 stops39h 44m
Qantas Airways
Deal found 4/16![Qantas Airways logo]()
$1,690
This Orbitz deal was found by Cheapflights users on 4/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:01 pm
PHL
- AVV
2 stops38h 49m
Multiple Airlines
Sat 7/188:55 pm
AVV
- PHL
2 stops46h 48m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,726
This Jetabroad deal was found by Cheapflights users on 4/20. 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.
Thu 6/41:04 pm
PHL
- CNS
3 stops37h 51m
Air New Zealand
Thu 6/116:00 am
CNS
- PHL
3 stops30h 29m
Air New Zealand
Deal found 4/20![Air New Zealand logo]()
$2,539
Last-minute flights from Philadelphia to AustraliaDiscover last-minute flight deals from Philadelphia to Australia. Data last updated April 21, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Australia. Data last updated April 21, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 4/16. 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.
Sun 4/195:37 pm
PHL
- SYD
1 stop23h 28m
Qantas Airways
Mon 5/119:10 am
SYD
- PHL
1 stop23h 44m
Qantas Airways
Deal found 4/16![Qantas Airways logo]()
$1,274
This American Airlines deal was found by Cheapflights users on 4/17. 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.
Sun 4/195:37 pm
PHL
- SYD
1 stop23h 28m
American Airlines
Mon 5/412:00 pm
SYD
- PHL
1 stop22h 34m
American Airlines
Deal found 4/17![American Airlines logo]()
$1,305
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Sun 4/192:15 pm
PHL
- SYD
1 stop27h 15m
American Airlines
Mon 5/119:10 am
SYD
- PHL
2 stops23h 26m
American Airlines
Deal found 4/16![American Airlines logo]()
$1,318
This United Airlines deal was found by Cheapflights users on 4/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1911:36 am
PHL
- SYD
2 stops29h 19m
United Airlines
Mon 5/119:30 am
SYD
- PHL
2 stops29h 29m
United Airlines
Deal found 4/16![United Airlines logo]()
$1,322
This United Airlines deal was found by Cheapflights users on 4/19. 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 4/296:21 pm
PHL
- SYD
1 stop22h 34m
United Airlines
Mon 5/119:30 am
SYD
- PHL
2 stops29h 29m
United Airlines
Deal found 4/19![United Airlines logo]()
$1,323
This Trip.com deal was found by Cheapflights users on 4/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:00 am
PHL
- BNE
3 stops37h 35m
Multiple Airlines
Mon 6/111:55 am
BNE
- PHL
3 stops56h 26m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,277
This oojo deal was found by Cheapflights users on 4/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/115:37 pm
PHL
- BNE
1 stop21h 23m
Qantas Airways
Mon 6/18:35 pm
BNE
- PHL
1 stop24h 25m
Qantas Airways
Deal found 4/19![Qantas Airways logo]()
$1,355
This Ovago deal was found by Cheapflights users on 4/18. 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 5/166:32 pm
PHL
- MEL
2 stops34h 48m
Multiple Airlines
Sat 5/237:30 am
MEL
- PHL
2 stops29h 23m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$1,269
This American Airlines deal was found by Cheapflights users on 4/19. 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 5/173:42 pm
PHL
- SYD
1 stop25h 48m
American Airlines
Sun 5/249:10 am
SYD
- PHL
1 stop28h 30m
American Airlines
Deal found 4/19![American Airlines logo]()
$1,314
This Trip.com deal was found by Cheapflights users on 4/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:30 am
PHL
- SYD
3 stops39h 20m
Multiple Airlines
Sun 5/241:15 pm
SYD
- PHL
3 stops30h 22m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,330
This Trip.com deal was found by Cheapflights users on 4/21. 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 5/217:55 am
PHL
- SYD
3 stops48h 15m
Multiple Airlines
Thu 5/286:00 am
SYD
- PHL
3 stops37h 37m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$1,216
This oojo deal was found by Cheapflights users on 4/16. 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.
Fri 5/295:40 pm
PHL
- SYD
1 stop23h 25m
Qantas Airways
Sun 6/1412:00 pm
SYD
- PHL
1 stop23h 02m
Qantas Airways
Deal found 4/16![Qantas Airways logo]()
$1,324
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 April 21, 2026.
Search for one-way flight options from Philadelphia to Australia. Find affordable one-way fares based on user searches. Data last updated April 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/75:37 am
PHL
- AVV
3 stops51h 13m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$597
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Sun 6/145:26 am
PHL
- SYD
3 stops40h 24m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$598
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/75:37 am
PHL
- MEL
3 stops46h 38m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$612
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/58:35 pm
PHL
- MEL
3 stops49h 30m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$627
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/28:41 pm
PHL
- MEL
3 stops49h 44m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$655
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 6/2011:35 am
PHL
- SYD
3 stops53h 55m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$655
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/68:35 pm
PHL
- MEL
3 stops49h 25m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$661
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/45:01 am
PHL
- MEL
3 stops41h 24m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$681
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Wed 6/1711:06 am
PHL
- SYD
2 stops30h 24m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$770
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/16:43 am
PHL
- MEL
2 stops34h 02m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$792
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Tue 6/1611:06 am
PHL
- SYD
2 stops30h 24m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$792
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 6/189:16 pm
PHL
- BNE
2 stops41h 44m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$799
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 April 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,216 (Trip.com) |
One-way from | $597 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,385 |
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 April 21, 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
Quickest round-trip
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Wed 4/29
6:21 pm-6:55 am
1 stop22h 34m
Sydney Kingsford Smith
Sun 5/10
10:20 am-4:59 pm
1 stop20h 39m
$1,318
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Wed 7/1
6:15 am-7:00 am
2 stops34h 45m
Sydney Kingsford Smith
Mon 7/13
9:30 am-11:44 pm
2 stops28h 14m
$1,322
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Sat 5/30
7:45 pm-7:00 am
2 stops45h 15m
Sydney Kingsford Smith
Sun 6/14
9:30 am-11:44 pm
2 stops28h 14m
$1,340
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Sat 6/13
6:45 pm-7:00 am
2 stops46h 15m
Sydney Kingsford Smith
Sun 6/21
9:30 am-7:50 am
2 stops36h 20m
$1,340
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Wed 4/29
6:21 pm-6:55 am
1 stop22h 34m
Sydney Kingsford Smith
Fri 5/8
10:20 am-4:59 pm
1 stop20h 39m
$1,368
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Fri 7/3
1:31 pm-7:00 am
2 stops27h 29m
Sydney Kingsford Smith
Sun 8/30
9:30 am-9:46 am
2 stops38h 16m
$1,372
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Thu 4/30
1:20 pm-7:00 am
3 stops27h 40m
Sydney Kingsford Smith
Wed 5/6
9:30 am-7:37 pm
2 stops24h 07m
$1,373
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Sat 5/2
7:45 pm-7:00 am
2 stops45h 15m
Sydney Kingsford Smith
Sat 5/9
10:20 am-11:43 pm
2 stops27h 23m
$1,390
PhiladelphiaBrisbane
PHL - BNE
PHLBNE
Philadelphia
Sun 5/31
11:00 am-5:00 am
1 stop28h 00m
Brisbane
Sun 6/7
8:35 pm-7:00 am
1 stop24h 25m
$1,393
PhiladelphiaBrisbane
PHL - BNE
PHLBNE
Philadelphia
Mon 5/11
3:21 pm-5:00 am
2 stops23h 39m
Brisbane
Mon 6/1
8:35 pm-7:15 am
2 stops24h 40m
$1,399
Showing 1-10 of 53 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-MEL
PHL-AVV
PHL-OOL
PHL-PER
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-MEL
PHL-AVV
PHL-OOL
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 October is currently the most expensive (average of $1,066). 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 April 21, 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
Food
7.5
Boarding
8.2
Entertainment
7.5
Overall
8.1
Comfort
8.1
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Crew
8.6
Food
7.5
Boarding
8.2
Entertainment
7.5
Overall
8.1
Comfort
8.1
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Crew
8.6
Food
7.5
Boarding
8.2
Entertainment
7.5
Overall
8.1
Comfort
8.1
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Crew
8.6
Food
7.5
Boarding
8.2
Entertainment
7.5
Overall
8.1
Comfort
8.1
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Crew
8.6
Food
7.5
Boarding
8.2
Entertainment
7.5
Overall
8.1
Comfort
8.1
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Crew
8.6
Food
7.5
Boarding
8.2
Entertainment
7.5
Overall
8.1
Comfort
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 April 21, 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 April 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$539 | Average$1,885 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$765 | Average$1,489 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$945 | Average$1,713 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$954 | Average$1,507 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,198 | 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% |