$496+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
Apr 25 — May 21
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Philadelphia to Australia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Philadelphia to Australia
Cheapest
Best
Last-minute
One-way
Cheapest flights from Philadelphia to AustraliaExplore the most affordable flight options available from Philadelphia to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2026.
Explore the most affordable flight options available from Philadelphia to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2026.
This oojo deal was found by Cheapflights users on 3/22. 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.
Tue 11/310:46 am
PHL
- SYD
1 stop28h 09m
Qantas Airways
Tue 11/1010:20 am
SYD
- PHL
2 stops37h 04m
Qantas Airways
Deal found 3/22![Qantas Airways logo]()
$1,198
This Trip.com deal was found by Cheapflights users on 3/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:48 am
PHL
- SYD
2 stops29h 42m
Multiple Airlines
Tue 4/289:10 am
SYD
- PHL
2 stops35h 40m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$1,210
This oojo deal was found by Cheapflights users on 3/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/33:13 pm
PHL
- SYD
2 stops27h 07m
Qantas Airways
Sun 12/139:25 pm
SYD
- PHL
1 stop26h 15m
Qantas Airways
Deal found 3/23![Qantas Airways logo]()
$1,230
This oojo deal was found by Cheapflights users on 3/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/143:55 pm
PHL
- MEL
2 stops27h 45m
Qantas Airways
Sun 11/2212:00 pm
MEL
- PHL
1 stop23h 05m
Qantas Airways
Deal found 3/24![Qantas Airways logo]()
$1,232
This Jetabroad deal was found by Cheapflights users on 3/25. 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.
Sat 5/96:32 pm
PHL
- MEL
2 stops34h 48m
Multiple Airlines
Sat 5/167:30 am
MEL
- PHL
2 stops29h 17m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$1,237
This American Airlines deal was found by Cheapflights users on 3/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:55 pm
PHL
- BNE
1 stop22h 55m
American Airlines
Wed 11/181:10 pm
BNE
- PHL
1 stop21h 53m
American Airlines
Deal found 3/25![American Airlines logo]()
$1,242
This oojo deal was found by Cheapflights users on 3/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:32 pm
PHL
- MEL
2 stops34h 48m
Fiji Airways
Sat 5/167:30 am
MEL
- PHL
2 stops29h 17m
Fiji Airways
Deal found 3/25![Fiji Airways logo]()
$1,248
This Trip.com deal was found by Cheapflights users on 3/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:01 am
PHL
- SYD
2 stops36h 29m
Multiple Airlines
Mon 4/279:10 am
SYD
- PHL
2 stops42h 11m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$1,267
This oojo deal was found by Cheapflights users on 3/22. 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.
Fri 10/305:43 pm
PHL
- SYD
2 stops25h 37m
Qantas Airways
Fri 11/69:25 pm
SYD
- PHL
1 stop26h 00m
Qantas Airways
Deal found 3/22![Qantas Airways logo]()
$1,280
This Priceline deal was found by Cheapflights users on 3/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:37 pm
PHL
- BNE
1 stop21h 23m
Qantas Airways
Tue 5/128:35 pm
BNE
- PHL
1 stop23h 17m
Qantas Airways
Deal found 3/21![Qantas Airways logo]()
$1,292
This American Airlines deal was found by Cheapflights users on 3/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1311:15 am
PHL
- BNE
1 stop27h 45m
American Airlines
Sun 5/248:35 pm
BNE
- PHL
1 stop25h 31m
American Airlines
Deal found 3/23![American Airlines logo]()
$1,293
This oojo deal was found by Cheapflights users on 3/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/133:21 pm
PHL
- BNE
2 stops27h 59m
Qantas Airways
Sun 5/248:35 pm
BNE
- PHL
1 stop24h 25m
Qantas Airways
Deal found 3/24![Qantas Airways logo]()
$1,310
Best flights from Philadelphia to AustraliaDiscover carefully curated flight deals from Philadelphia to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 26, 2026.
Discover carefully curated flight deals from Philadelphia to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 26, 2026.
This Jetabroad deal was found by Cheapflights users on 3/25. 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.
Sat 5/96:32 pm
PHL
- MEL
2 stops34h 48m
Multiple Airlines
Sat 5/167:30 am
MEL
- PHL
2 stops29h 17m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$1,237
This oojo deal was found by Cheapflights users on 3/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:32 pm
PHL
- MEL
2 stops34h 48m
Fiji Airways
Sat 5/167:30 am
MEL
- PHL
2 stops29h 17m
Fiji Airways
Deal found 3/25![Fiji Airways logo]()
$1,248
This American Airlines deal was found by Cheapflights users on 3/21. 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.
Wed 5/1312:53 pm
PHL
- BNE
2 stops26h 07m
American Airlines
Sun 5/248:35 pm
BNE
- PHL
1 stop25h 31m
American Airlines
Deal found 3/21![American Airlines logo]()
$1,297
This oojo deal was found by Cheapflights users on 3/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:30 pm
PHL
- BNE
2 stops49h 50m
Qantas Airways
Tue 6/98:50 pm
BNE
- PHL
2 stops39h 10m
Qantas Airways
Deal found 3/23![Qantas Airways logo]()
$1,415
This Air Canada deal was found by Cheapflights users on 3/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/410:05 am
PHL
- BNE
2 stops55h 00m
Air Canada
Wed 6/1010:00 am
BNE
- PHL
2 stops42h 48m
Air Canada
Deal found 3/21![Air Canada logo]()
$1,449
This Delta deal was found by Cheapflights users on 3/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:16 am
PHL
- MEL
2 stops36h 34m
Delta
Wed 7/810:00 am
MEL
- PHL
2 stops26h 55m
Delta
Deal found 3/21![Delta logo]()
$1,463
This FlightHub deal was found by Cheapflights users on 3/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/58:30 pm
PHL
- PER
1 stop34h 05m
Qatar Airways
Wed 8/2610:45 pm
PER
- PHL
2 stops33h 04m
Qatar Airways
Deal found 3/22![Qatar Airways logo]()
$1,791
This Mytrip deal was found by Cheapflights users on 3/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:06 pm
PHL
- CBR
2 stops28h 59m
Air New Zealand
Wed 5/138:55 am
CBR
- PHL
3 stops27h 39m
Air New Zealand
Deal found 3/22![Air New Zealand logo]()
$1,994
This BusinessClass deal was found by Cheapflights users on 3/22. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:43 pm
PHL
- PER
2 stops40h 12m
China Southern
Wed 8/2611:35 pm
PER
- PHL
3 stops44h 55m
China Southern
Deal found 3/22![China Southern logo]()
$2,300
This American Airlines deal was found by Cheapflights users on 3/21. 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.
Tue 5/52:20 pm
PHL
- BNE
2 stops24h 40m
American Airlines
Tue 5/128:35 pm
BNE
- PHL
2 stops23h 03m
American Airlines
Deal found 3/21![American Airlines logo]()
$1,297
This Qantas Airways deal was found by Cheapflights users on 3/23. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/203:43 pm
PHL
- MEL
1 stop25h 02m
Qantas Airways
Mon 4/271:35 pm
MEL
- PHL
1 stop20h 59m
Qantas Airways
Deal found 3/23![Qantas Airways logo]()
$1,440
This United Airlines deal was found by Cheapflights users on 3/25. 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.
Sat 5/29:55 am
PHL
- SYD
2 stops31h 00m
United Airlines
Wed 5/610:20 am
SYD
- PHL
1 stop25h 09m
United Airlines
Deal found 3/25![United Airlines logo]()
$2,957
This Air Canada deal was found by Cheapflights users on 3/22. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:50 am
PHL
- AVV
3 stops39h 15m
Multiple Airlines
Mon 8/248:55 pm
AVV
- PHL
3 stops51h 14m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$1,487
This Air Canada deal was found by Cheapflights users on 3/23. 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.
Fri 6/196:00 am
PHL
- BNE
3 stops39h 30m
Air Canada
Sun 7/58:45 pm
BNE
- PHL
3 stops51h 19m
Air Canada
Deal found 3/23![Air Canada logo]()
$1,517
This American Airlines deal was found by Cheapflights users on 3/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:35 pm
PHL
- SYD
2 stops23h 30m
American Airlines
Wed 7/2912:00 pm
SYD
- PHL
2 stops23h 01m
American Airlines
Deal found 3/25![American Airlines logo]()
$1,458
This Bravofly deal was found by Cheapflights users on 3/22. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/63:21 pm
PHL
- CBR
2 stops27h 59m
Qantas Airways
Wed 5/1310:05 am
CBR
- PHL
2 stops26h 42m
Qantas Airways
Deal found 3/22![Qantas Airways logo]()
$1,492
This Orbitz deal was found by Cheapflights users on 3/24. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/295:40 pm
PHL
- AVV
2 stops30h 30m
Multiple Airlines
Mon 7/206:00 am
AVV
- PHL
2 stops30h 17m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$1,539
This British Airways deal was found by Cheapflights users on 3/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:40 pm
PHL
- SYD
3 stops46h 25m
British Airways
Sun 9/272:35 pm
SYD
- PHL
3 stops42h 21m
British Airways
Deal found 3/21![British Airways logo]()
$3,412
This American Airlines deal was found by Cheapflights users on 3/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:40 pm
PHL
- SYD
1 stop23h 25m
American Airlines
Wed 6/1012:00 pm
SYD
- PHL
2 stops23h 09m
American Airlines
Deal found 3/25![American Airlines logo]()
$1,458
This oojo deal was found by Cheapflights users on 3/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/108:30 pm
PHL
- PER
1 stop34h 05m
Qatar Airways
Sun 5/1710:45 pm
PER
- PHL
1 stop46h 20m
Qatar Airways
Deal found 3/25![Qatar Airways logo]()
$1,795
This oojo deal was found by Cheapflights users on 3/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/83:43 pm
PHL
- CNS
2 stops41h 02m
Qantas Airways
Wed 4/159:25 am
CNS
- PHL
2 stops34h 27m
Qantas Airways
Deal found 3/23![Qantas Airways logo]()
$1,519
This Expedia deal was found by Cheapflights users on 3/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:01 pm
PHL
- AVV
2 stops30h 09m
Multiple Airlines
Sat 8/224:40 pm
AVV
- PHL
2 stops42h 30m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$1,541
This oojo deal was found by Cheapflights users on 3/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/88:30 pm
PHL
- BNE
1 stop31h 00m
Qatar Airways
Fri 5/1510:10 pm
BNE
- PHL
1 stop48h 55m
Qatar Airways
Deal found 3/24![Qatar Airways logo]()
$1,809
This Orbitz deal was found by Cheapflights users on 3/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:40 pm
PHL
- AVV
2 stops36h 40m
Multiple Airlines
Wed 7/810:30 am
AVV
- PHL
2 stops34h 30m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$1,566
This Qantas Airways deal was found by Cheapflights users on 3/22. 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 8/53:08 pm
PHL
- MEL
1 stop23h 52m
Qantas Airways
Tue 8/256:00 am
MEL
- PHL
2 stops26h 34m
Qantas Airways
Deal found 3/22![Qantas Airways logo]()
$1,572
This Trip.com deal was found by Cheapflights users on 3/23. 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.
Sat 5/168:30 pm
PHL
- PER
1 stop34h 05m
Qatar Airways
Sat 5/2310:45 pm
PER
- PHL
1 stop46h 15m
Qatar Airways
Deal found 3/23![Qatar Airways logo]()
$1,853
This Qantas Airways deal was found by Cheapflights users on 3/24. 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.
Wed 6/173:20 pm
PHL
- BNE
2 stops28h 00m
Qantas Airways
Sun 7/58:35 pm
BNE
- PHL
1 stop24h 25m
Qantas Airways
Deal found 3/24![Qantas Airways logo]()
$1,588
This oojo deal was found by Cheapflights users on 3/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:37 pm
PHL
- CNS
2 stops27h 38m
Multiple Airlines
Sat 5/167:10 pm
CNS
- PHL
2 stops37h 44m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$1,677
This oojo deal was found by Cheapflights users on 3/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/183:43 pm
PHL
- CBR
2 stops28h 37m
Qantas Airways
Sat 4/253:25 pm
CBR
- PHL
2 stops41h 29m
Qantas Airways
Deal found 3/21![Qantas Airways logo]()
$1,590
This Etihad Airways deal was found by Cheapflights users on 3/25. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:15 am
PHL
- MEL
2 stops42h 35m
Multiple Airlines
Thu 5/145:20 pm
MEL
- PHL
2 stops39h 35m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$1,709
Last-minute flights from Philadelphia to AustraliaDiscover last-minute flight deals from Philadelphia to Australia. Data last updated March 26, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Australia. Data last updated March 26, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 3/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:01 am
PHL
- SYD
2 stops36h 29m
Multiple Airlines
Mon 4/279:10 am
SYD
- PHL
2 stops42h 11m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$1,267
This Cheapflightsfares deal was found by Cheapflights users on 3/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:37 pm
PHL
- SYD
1 stop23h 28m
Qantas Airways
Mon 4/2712:00 pm
SYD
- PHL
1 stop22h 34m
Qantas Airways
Deal found 3/24![Qantas Airways logo]()
$1,349
This oojo deal was found by Cheapflights users on 3/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/133:43 pm
PHL
- SYD
1 stop25h 22m
Qantas Airways
Mon 4/209:10 am
SYD
- PHL
1 stop34h 42m
Qantas Airways
Deal found 3/23![Qantas Airways logo]()
$1,366
This Trip.com deal was found by Cheapflights users on 3/25. 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.
Sun 4/196:43 am
PHL
- SYD
2 stops34h 47m
Multiple Airlines
Mon 5/119:10 am
SYD
- PHL
2 stops58h 27m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$1,319
This Trip.com deal was found by Cheapflights users on 3/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:48 am
PHL
- SYD
2 stops29h 42m
Multiple Airlines
Tue 4/289:10 am
SYD
- PHL
2 stops35h 40m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$1,210
This oojo deal was found by Cheapflights users on 3/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:37 pm
PHL
- SYD
2 stops25h 43m
Qantas Airways
Tue 4/2812:00 pm
SYD
- PHL
1 stop22h 34m
Qantas Airways
Deal found 3/24![Qantas Airways logo]()
$1,329
This American Airlines deal was found by Cheapflights users on 3/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:30 pm
PHL
- SYD
2 stops23h 35m
American Airlines
Tue 4/2812:00 pm
SYD
- PHL
2 stops23h 10m
American Airlines
Deal found 3/22![American Airlines logo]()
$1,359
This Cheapflightsfares deal was found by Cheapflights users on 3/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:43 pm
PHL
- BNE
1 stop23h 17m
Qantas Airways
Tue 4/288:35 pm
BNE
- PHL
1 stop23h 17m
Qantas Airways
Deal found 3/24![Qantas Airways logo]()
$1,386
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Tue 4/215:37 pm
PHL
- BNE
1 stop21h 23m
American Airlines
Tue 4/288:35 pm
BNE
- PHL
2 stops24h 09m
American Airlines
Deal found 3/24![American Airlines logo]()
$1,397
This Qantas Airways deal was found by Cheapflights users on 3/23. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/223:21 pm
PHL
- SYD
1 stop25h 34m
Qantas Airways
Wed 4/299:10 am
SYD
- PHL
1 stop23h 44m
Qantas Airways
Deal found 3/23![Qantas Airways logo]()
$1,353
This Trip.com deal was found by Cheapflights users on 3/23. 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 4/235:05 am
PHL
- SYD
2 stops36h 25m
Multiple Airlines
Sat 5/99:10 am
SYD
- PHL
2 stops36h 02m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$1,337
This oojo deal was found by Cheapflights users on 3/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:20 pm
PHL
- SYD
1 stop24h 35m
Qantas Airways
Sat 5/99:50 pm
SYD
- PHL
2 stops46h 02m
Qantas Airways
Deal found 3/23![Qantas Airways logo]()
$1,407
One-way flights from Philadelphia to AustraliaSearch for one-way flight options from Philadelphia to Australia. Find affordable one-way fares based on user searches. Data last updated March 26, 2026.
Search for one-way flight options from Philadelphia to Australia. Find affordable one-way fares based on user searches. Data last updated March 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 5/238:35 pm
PHL
- SYD
3 stops49h 15m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$496
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 5/258:35 pm
PHL
- SYD
3 stops59h 35m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$524
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 5/910:40 am
PHL
- MEL
3 stops59h 45m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$525
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Fri 5/298:35 pm
PHL
- SYD
3 stops49h 15m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$529
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:11 am
PHL
- SYD
3 stops35h 39m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$530
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Thu 5/285:06 pm
PHL
- SYD
3 stops52h 44m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$540
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Sun 5/38:36 pm
PHL
- SYD
3 stops49h 29m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$546
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Thu 5/75:13 pm
PHL
- MEL
3 stops52h 52m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$547
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Sun 5/245:06 pm
PHL
- SYD
3 stops52h 59m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$562
This Kiwi.com deal was found by Cheapflights users on 3/22. 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.
Sun 8/235:21 am
PHL
- SYD
3 stops40h 29m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$568
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Tue 5/56:10 am
PHL
- AVV
3 stops43h 55m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$577
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 5/91:11 pm
PHL
- AVV
3 stops54h 34m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$583
Find flight deals from Philadelphia to Australia
Keep the following information in mind while searching for Philadelphia to Australia flight deals. Data was last updated March 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,210 (Trip.com) |
One-way from | $496 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $1,518 |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia to Australia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 26, 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
PhiladelphiaMelbourne
PHL - MEL
PHLMEL
Philadelphia
Sat 5/9
6:32 pm-7:20 pm
2 stops34h 48m
Melbourne
Sat 5/16
7:30 am-10:47 pm
2 stops29h 17m
$1,237
PhiladelphiaMelbourne
PHL - MEL
PHLMEL
Philadelphia
Sat 5/9
6:32 pm-7:20 pm
2 stops34h 48m
Melbourne
Sat 5/16
7:30 am-10:47 pm
2 stops29h 17m
$1,248
PhiladelphiaBrisbane
PHL - BNE
PHLBNE
Philadelphia
Wed 5/13
12:53 pm-5:00 am
2 stops26h 07m
Brisbane
Sun 5/24
8:35 pm-8:06 am
1 stop25h 31m
$1,297
PhiladelphiaBrisbane
PHL - BNE
PHLBNE
Philadelphia
Tue 5/5
2:20 pm-5:00 am
2 stops24h 40m
Brisbane
Tue 5/12
8:35 pm-5:38 am
2 stops23h 03m
$1,297
PhiladelphiaBrisbane
PHL - BNE
PHLBNE
Philadelphia
Fri 5/29
5:30 pm-9:20 am
2 stops49h 50m
Brisbane
Tue 6/9
8:50 pm-10:00 pm
2 stops39h 10m
$1,415
Quickest round-trip
PhiladelphiaMelbourne
PHL - MEL
PHLMEL
Philadelphia
Mon 4/20
3:43 pm-6:45 am
1 stop25h 02m
Melbourne
Mon 4/27
1:35 pm-8:34 pm
1 stop20h 59m
$1,440
PhiladelphiaBrisbane
PHL - BNE
PHLBNE
Philadelphia
Thu 6/4
10:05 am-7:05 am
2 stops55h 00m
Brisbane
Wed 6/10
10:00 am-2:48 pm
2 stops42h 48m
$1,449
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Mon 6/1
5:35 pm-7:05 am
2 stops23h 30m
Sydney Kingsford Smith
Wed 7/29
12:00 pm-9:01 pm
2 stops23h 01m
$1,458
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Mon 6/1
5:40 pm-7:05 am
1 stop23h 25m
Sydney Kingsford Smith
Wed 6/10
12:00 pm-9:09 pm
2 stops23h 09m
$1,458
PhiladelphiaMelbourne
PHL - MEL
PHLMEL
Philadelphia
Wed 7/1
5:16 am-7:50 am
2 stops36h 34m
Melbourne
Wed 7/8
10:00 am-10:55 pm
2 stops26h 55m
$1,463
Showing 1-10 of 59 resultsSorted by cheapest first
Best time to book a flight from Philadelphia to Australia
Have a flexible travel schedule? Discover the best time to fly to Australia from Philadelphia with our price prediction graph.
PHL-SYD
PHL-BNE
PHL-MEL
PHL-PER
PHL-CBR
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Philadelphia to Australia
PHL-AU0
PHL-SYD
PHL-BNE
PHL-MEL
PHL-PER
What is the cheapest month to book a flight from Philadelphia to Australia?
Currently, September is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $166). Flying from Philadelphia to Australia in January is currently the most expensive (average of $974). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Australia
Get insights into the airlines that provide service to Australia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Australia. Reviews last updated March 26, 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.
Food
7.5
Comfort
8.1
Crew
8.5
Entertainment
7.5
Overall
8.1
Boarding
8.2
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Food
7.5
Comfort
8.1
Crew
8.5
Entertainment
7.5
Overall
8.1
Boarding
8.2
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Food
7.5
Comfort
8.1
Crew
8.5
Entertainment
7.5
Overall
8.1
Boarding
8.2
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Food
7.5
Comfort
8.1
Crew
8.5
Entertainment
7.5
Overall
8.1
Boarding
8.2
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Food
7.5
Comfort
8.1
Crew
8.5
Entertainment
7.5
Overall
8.1
Boarding
8.2
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Food
7.5
Comfort
8.1
Crew
8.5
Entertainment
7.5
Overall
8.1
Boarding
8.2
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Top regions
Alternative routes for Philadelphia to Australia
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Australia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Philadelphia to Australia by cabin class
Find flights from Philadelphia to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Philadelphia and Australia flights
Browse other Philadelphia and Australia flight options. Last updated on March 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Philadelphia to Australia flights
Consider these flights traveling from Philadelphia to Australia.
Fly to Australia regions
Consider these flights traveling to Australia regions.
Top 7 airlines flying from Philadelphia to Australia
Discover the top 7 airlines that operate flights from Philadelphia to Australia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$539 | Average$1,756 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$945 | Average$1,769 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$954 | Average$1,510 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$959 | Average$1,454 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$1,159 | Average$1,582 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,418 | Average$1,548 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$1,447 | Average$1,698 | FlexibilityNo cancel fee | On-time68% |