$527+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
May 18 — May 251
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 18, 2026.
Explore the most affordable flight options available from Philadelphia to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 18, 2026.
This FlightHub deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 9/168:30 pm
PHL
- MEL
1 stop42h 25m
Qatar Airways
Wed 9/233:10 pm
MEL
- PHL
1 stop31h 50m
Qatar Airways
Deal found 4/13![Qatar Airways logo]()
$1,220
This Jetabroad deal was found by Cheapflights users on 4/15. 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 5/305:30 pm
PHL
- MEL
2 stops35h 50m
Multiple Airlines
Sat 6/67:30 am
MEL
- PHL
2 stops29h 23m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$1,253
This Justfly.com deal was found by Cheapflights users on 4/14. 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 Justfly.com 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 4/14![Qatar Airways logo]()
$1,254
This Fareboom deal was found by Cheapflights users on 4/15. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:30 pm
PHL
- BNE
1 stop31h 00m
Qatar Airways
Sun 11/19:55 pm
BNE
- PHL
1 stop50h 05m
Qatar Airways
Deal found 4/15![Qatar Airways logo]()
$1,261
This oojo deal was found by Cheapflights users on 4/15. 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 5/125:37 pm
PHL
- SYD
1 stop23h 28m
Qantas Airways
Tue 5/199:10 am
SYD
- PHL
1 stop23h 44m
Qantas Airways
Deal found 4/15![Qantas Airways logo]()
$1,273
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 oojo deal was found by Cheapflights users on 4/15. 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 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 4/15![Qantas Airways logo]()
$1,283
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
This oojo 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 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 stops31h 40m
Qantas Airways
Wed 11/189:25 pm
SYD
- PHL
1 stop26h 00m
Qantas Airways
Deal found 4/17![Qantas Airways logo]()
$1,290
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/33:29 pm
PHL
- SYD
1 stop25h 36m
Qantas Airways
Wed 6/179:10 am
SYD
- PHL
1 stop23h 25m
Qantas Airways
Deal found 4/16![Qantas Airways logo]()
$1,291
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 4/195:30 pm
PHL
- SYD
2 stops23h 35m
American Airlines
Mon 5/412:00 pm
SYD
- PHL
1 stop20h 48m
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.
Mon 9/141:28 pm
PHL
- SYD
1 stop27h 37m
American Airlines
Sun 9/279:10 am
SYD
- PHL
1 stop23h 24m
American Airlines
Deal found 4/16![American Airlines logo]()
$1,306
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 18, 2026.
Discover carefully curated flight deals from Philadelphia to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 18, 2026.
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.
Mon 9/143:10 pm
PHL
- SYD
2 stops25h 45m
United Airlines
Sun 9/279:30 am
SYD
- PHL
2 stops38h 57m
United Airlines
Deal found 4/16![United Airlines logo]()
$1,310
This Qantas Airways deal was found by Cheapflights users on 4/14. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/165:40 pm
PHL
- SYD
1 stop23h 25m
Multiple Airlines
Mon 7/612:00 pm
SYD
- PHL
1 stop24h 57m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$1,311
This Delta deal was found by Cheapflights users on 4/15. 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.
Mon 5/182:23 pm
PHL
- SYD
2 stops26h 27m
Delta
Tue 5/269:15 am
SYD
- PHL
2 stops26h 57m
Delta
Deal found 4/15![Delta logo]()
$1,321
This American Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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
1 stop25h 31m
American Airlines
Deal found 4/13![American Airlines logo]()
$1,397
This oojo deal was found by Cheapflights users on 4/15. 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.
Sat 5/303:29 pm
PHL
- BNE
1 stop23h 31m
Qantas Airways
Sat 6/68:35 pm
BNE
- PHL
1 stop24h 25m
Qantas Airways
Deal found 4/15![Qantas Airways logo]()
$1,452
This oojo deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 9/66:35 pm
PHL
- PER
2 stops36h 00m
Qatar Airways
Tue 9/157:30 am
PER
- PHL
2 stops37h 30m
Qatar Airways
Deal found 4/12![Qatar Airways logo]()
$1,458
This Etihad Airways deal was found by Cheapflights users on 4/15. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/188:28 am
PHL
- SYD
2 stops42h 22m
Etihad Airways
Sun 6/213:40 pm
SYD
- PHL
2 stops42h 20m
Etihad Airways
Deal found 4/15![Etihad Airways logo]()
$1,602
This KAYAK deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/103:25 pm
PHL
- SYD
2 stops49h 55m
Air Canada
Sat 5/169:20 am
SYD
- PHL
2 stops27h 23m
Air Canada
Deal found 4/13![Air Canada logo]()
$1,834
This KAYAK deal was found by Cheapflights users on 4/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/148:00 am
PHL
- CNS
2 stops36h 45m
Air New Zealand
Thu 5/216:00 am
CNS
- PHL
3 stops30h 29m
Air New Zealand
Deal found 4/14![Air New Zealand logo]()
$2,070
This Travelocity deal was found by Cheapflights users on 4/14. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:25 pm
PHL
- MEL
2 stops47h 30m
Multiple Airlines
Mon 10/54:10 pm
MEL
- PHL
1 stop31h 50m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$1,389
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 8/16:23 pm
PHL
- SYD
2 stops46h 37m
United Airlines
Sat 8/159:30 am
SYD
- PHL
2 stops23h 40m
United Airlines
Deal found 4/17![United Airlines logo]()
$1,390
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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.
Mon 9/143:10 pm
PHL
- SYD
2 stops25h 40m
Delta
Sun 9/279:15 am
SYD
- PHL
2 stops29h 12m
Delta
Deal found 4/13![Delta logo]()
$1,463
This Qantas Airways deal was found by Cheapflights users on 4/14. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/34:22 pm
PHL
- BNE
2 stops26h 58m
Qantas Airways
Wed 6/178:35 pm
BNE
- PHL
1 stop24h 25m
Qantas Airways
Deal found 4/14![Qantas Airways logo]()
$1,469
This American Airlines deal was found by Cheapflights users on 4/15. 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.
Sat 5/303:28 pm
PHL
- BNE
2 stops23h 32m
American Airlines
Sat 6/68:35 pm
BNE
- PHL
2 stops24h 41m
American Airlines
Deal found 4/15![American Airlines logo]()
$1,498
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.
Tue 8/46:10 am
PHL
- SYD
2 stops34h 45m
United Airlines
Tue 9/19:30 am
SYD
- PHL
2 stops29h 20m
United Airlines
Deal found 4/16![United Airlines logo]()
$1,397
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:00 am
PHL
- MEL
3 stops39h 25m
Multiple Airlines
Fri 7/31:30 pm
MEL
- PHL
3 stops35h 00m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$1,465
This Qantas Airways deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 6/165:30 pm
PHL
- MEL
1 stop45h 30m
Qantas Airways
Mon 6/293:40 pm
MEL
- PHL
2 stops29h 20m
Qantas Airways
Deal found 4/13![Qantas Airways logo]()
$1,475
This Cheapflightsfares deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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.
Sat 8/298:28 am
PHL
- MEL
2 stops41h 22m
Etihad Airways
Fri 9/45:20 pm
MEL
- PHL
2 stops40h 40m
Etihad Airways
Deal found 4/13![Etihad Airways logo]()
$1,650
This American Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 8/48:26 am
PHL
- MEL
1 stop32h 19m
American Airlines
Thu 8/139:45 am
MEL
- PHL
1 stop27h 58m
American Airlines
Deal found 4/13![American Airlines logo]()
$1,590
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.
Tue 5/191:26 pm
PHL
- SYD
3 stops27h 29m
United Airlines
Sat 7/410:20 am
SYD
- PHL
2 stops37h 19m
United Airlines
Deal found 4/17![United Airlines logo]()
$1,447
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/155:40 am
PHL
- SYD
2 stops35h 10m
Delta
Fri 6/269:15 am
SYD
- PHL
2 stops34h 53m
Delta
Deal found 4/17![Delta logo]()
$1,592
This Qatar Airways deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 9/128:30 pm
PHL
- MCY
2 stops54h 10m
Qatar Airways
Wed 9/165:20 pm
MCY
- PHL
2 stops53h 40m
Qatar Airways
Deal found 4/13![Qatar Airways logo]()
$1,755
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 Qantas Airways deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/283:29 pm
PHL
- BNE
1 stop23h 31m
Multiple Airlines
Thu 6/48:35 pm
BNE
- PHL
1 stop24h 25m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$1,492
This Qantas Airways deal was found by Cheapflights users on 4/14. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/303:29 pm
PHL
- BNE
1 stop23h 31m
Qantas Airways
Wed 6/178:35 pm
BNE
- PHL
1 stop24h 25m
Qantas Airways
Deal found 4/14![Qantas Airways logo]()
$1,495
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.
Tue 6/169:25 am
PHL
- ADL
2 stops36h 10m
United Airlines
Wed 7/86:05 am
ADL
- PHL
3 stops36h 56m
United Airlines
Deal found 4/17![United Airlines logo]()
$1,497
This Trip.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/148:30 am
PHL
- CNS
3 stops37h 10m
Multiple Airlines
Thu 5/2112:40 pm
CNS
- PHL
3 stops54h 57m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$1,515
This Justfly.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:37 pm
PHL
- BNE
2 stops30h 03m
Qantas Airways
Sun 5/248:35 pm
BNE
- PHL
1 stop24h 25m
Qantas Airways
Deal found 4/15![Qantas Airways logo]()
$1,495
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.
Sun 6/149:25 am
PHL
- ADL
2 stops36h 10m
United Airlines
Wed 7/86:05 am
ADL
- PHL
2 stops32h 54m
United Airlines
Deal found 4/17![United Airlines logo]()
$1,497
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
Last-minute flights from Philadelphia to AustraliaDiscover last-minute flight deals from Philadelphia to Australia. Data last updated April 18, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Australia. Data last updated April 18, 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 4/195:30 pm
PHL
- SYD
2 stops23h 35m
American Airlines
Mon 5/412:00 pm
SYD
- PHL
1 stop20h 48m
American Airlines
Deal found 4/17![American Airlines logo]()
$1,305
This American Airlines deal was found by Cheapflights users on 4/14. 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.
Sun 4/193:43 pm
PHL
- SYD
1 stop25h 47m
American Airlines
Mon 5/119:10 am
SYD
- PHL
2 stops23h 43m
American Airlines
Deal found 4/14![American Airlines logo]()
$1,317
This oojo deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/105:37 pm
PHL
- SYD
1 stop23h 28m
Qantas Airways
Sat 5/169:10 am
SYD
- PHL
1 stop23h 44m
Qantas Airways
Deal found 4/14![Qantas Airways logo]()
$1,322
This oojo deal was found by Cheapflights users on 4/15. 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 5/125:37 pm
PHL
- SYD
1 stop23h 28m
Qantas Airways
Tue 5/199:10 am
SYD
- PHL
1 stop23h 44m
Qantas Airways
Deal found 4/15![Qantas Airways logo]()
$1,273
This Trip.com deal was found by Cheapflights users on 4/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:17 pm
PHL
- BNE
3 stops32h 18m
Multiple Airlines
Sun 5/2411:35 am
BNE
- PHL
3 stops56h 02m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$1,352
This American Airlines deal was found by Cheapflights users on 4/15. 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.
Mon 5/185:30 pm
PHL
- SYD
2 stops23h 35m
American Airlines
Tue 5/269:10 am
SYD
- PHL
1 stop21h 17m
American Airlines
Deal found 4/15![American Airlines logo]()
$1,312
This Delta deal was found by Cheapflights users on 4/15. 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.
Mon 5/182:23 pm
PHL
- SYD
2 stops26h 27m
Delta
Tue 5/269:15 am
SYD
- PHL
2 stops26h 57m
Delta
Deal found 4/15![Delta logo]()
$1,321
This Jetabroad deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/285:30 pm
PHL
- MEL
2 stops35h 50m
Multiple Airlines
Thu 6/47:30 am
MEL
- PHL
2 stops29h 23m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$1,313
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
This Jetabroad deal was found by Cheapflights users on 4/15. 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 5/305:30 pm
PHL
- MEL
2 stops35h 50m
Multiple Airlines
Sat 6/67:30 am
MEL
- PHL
2 stops29h 23m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$1,253
This oojo deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:40 pm
PHL
- SYD
1 stop23h 25m
Qantas Airways
Sun 6/1412:00 pm
SYD
- PHL
1 stop23h 02m
Qantas Airways
Deal found 4/14![Qantas Airways logo]()
$1,323
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 18, 2026.
Search for one-way flight options from Philadelphia to Australia. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/161:11 pm
PHL
- BNE
2 stops31h 29m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$527
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/511:35 am
PHL
- SYD
3 stops34h 15m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$580
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/173:37 pm
PHL
- BNE
2 stops47h 23m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$751
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 6/128:37 pm
PHL
- BNE
2 stops42h 23m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$784
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Thu 6/188:37 pm
PHL
- BNE
2 stops42h 23m
Multiple Airlines
Deal found 4/14![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 7/95:21 am
PHL
- OOL
3 stops40h 09m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$805
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 8/108:37 pm
PHL
- PER
3 stops56h 33m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$828
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 7/98:37 pm
PHL
- SYD
3 stops50h 33m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$888
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1012:40 pm
PHL
- PER
2 stops30h 10m
Cathay Pacific
Deal found 4/17![Cathay Pacific logo]()
$1,000
This KAYAK deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/299:25 am
PHL
- MEL
2 stops35h 30m
Air New Zealand
Deal found 4/13![Air New Zealand logo]()
$1,120
This Air Canada deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/296:00 am
PHL
- MEL
3 stops39h 05m
Air Canada
Deal found 4/13![Air Canada logo]()
$1,180
This FlightHub deal was found by Cheapflights users on 4/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:35 pm
PHL
- PER
2 stops36h 00m
Qatar Airways
Deal found 4/15![Qatar Airways logo]()
$1,198
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 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,220 (FlightHub) |
One-way from | $527 (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 18, 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
Mon 9/14
3:10 pm-6:55 am
2 stops25h 45m
Sydney Kingsford Smith
Sun 9/27
9:30 am-10:27 am
2 stops38h 57m
$1,310
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Tue 6/16
5:40 pm-7:05 am
1 stop23h 25m
Sydney Kingsford Smith
Mon 7/6
12:00 pm-10:57 pm
1 stop24h 57m
$1,311
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Mon 5/18
2:23 pm-6:50 am
2 stops26h 27m
Sydney Kingsford Smith
Tue 5/26
9:15 am-10:12 pm
2 stops26h 57m
$1,321
PhiladelphiaMelbourne
PHL - MEL
PHLMEL
Philadelphia
Fri 9/25
3:25 pm-4:55 am
2 stops47h 30m
Melbourne
Mon 10/5
4:10 pm-9:00 am
1 stop31h 50m
$1,389
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Sat 8/1
6:23 pm-7:00 am
2 stops46h 37m
Sydney Kingsford Smith
Sat 8/15
9:30 am-7:10 pm
2 stops23h 40m
$1,390
PhiladelphiaBrisbane
PHL - BNE
PHLBNE
Philadelphia
Wed 5/13
3:21 pm-5:00 am
2 stops23h 39m
Brisbane
Sun 5/24
8:35 pm-8:06 am
1 stop25h 31m
$1,397
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Tue 8/4
6:10 am-6:55 am
2 stops34h 45m
Sydney Kingsford Smith
Tue 9/1
9:30 am-12:50 am
2 stops29h 20m
$1,397
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Tue 5/19
1:26 pm-6:55 am
3 stops27h 29m
Sydney Kingsford Smith
Sat 7/4
10:20 am-9:39 am
2 stops37h 19m
$1,447
Quickest round-trip
PhiladelphiaBrisbane
PHL - BNE
PHLBNE
Philadelphia
Sat 5/30
3:29 pm-5:00 am
1 stop23h 31m
Brisbane
Sat 6/6
8:35 pm-7:00 am
1 stop24h 25m
$1,452
PhiladelphiaPerth
PHL - PER
PHLPER
Philadelphia
Sun 9/6
6:35 pm-6:35 pm
2 stops36h 00m
Perth
Tue 9/15
7:30 am-9:00 am
2 stops37h 30m
$1,458
Showing 1-10 of 51 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-BNE
PHL-SYD
PHL-OOL
PHL-PER
PHL-MEL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Philadelphia to Australia
PHL-AU0
PHL-BNE
PHL-SYD
PHL-OOL
PHL-PER
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 18, 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
Boarding
8.2
Entertainment
7.5
Food
7.5
Overall
8.1
Crew
8.6
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Comfort
8.1
Boarding
8.2
Entertainment
7.5
Food
7.5
Overall
8.1
Crew
8.6
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Comfort
8.1
Boarding
8.2
Entertainment
7.5
Food
7.5
Overall
8.1
Crew
8.6
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Comfort
8.1
Boarding
8.2
Entertainment
7.5
Food
7.5
Overall
8.1
Crew
8.6
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Comfort
8.1
Boarding
8.2
Entertainment
7.5
Food
7.5
Overall
8.1
Crew
8.6
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Comfort
8.1
Boarding
8.2
Entertainment
7.5
Food
7.5
Overall
8.1
Crew
8.6
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 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Philadelphia to Australia flights
Consider these flights traveling from Philadelphia to Australia.
Fly to Australia regions
Consider these flights traveling to Australia regions.
Top 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 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$539 | Average$1,885 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$765 | Average$1,476 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$945 | Average$1,715 | 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% |