$651+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
May 30 — Jun 61
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 30, 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 30, 2026.
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 7/15:15 am
PHL
- SYD
2 stops35h 35m
Delta
Mon 7/139:15 am
SYD
- PHL
2 stops34h 14m
Delta
Deal found 4/30![Delta logo]()
$1,257
This Justfly.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 4/30![Qatar Airways logo]()
$1,273
This oojo deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:46 am
PHL
- SYD
1 stop28h 09m
Qantas Airways
Wed 11/186:00 am
SYD
- PHL
2 stops24h 37m
Qantas Airways
Deal found 4/27![Qantas Airways logo]()
$1,289
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/2012:07 pm
PHL
- MEL
2 stops29h 43m
Delta
Wed 6/310:00 am
MEL
- PHL
2 stops23h 27m
Delta
Deal found 4/29![Delta logo]()
$1,297
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/2711:28 am
PHL
- SYD
2 stops29h 22m
Delta
Mon 6/89:15 am
SYD
- PHL
2 stops24h 05m
Delta
Deal found 4/29![Delta logo]()
$1,297
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/198:05 am
PHL
- SYD
2 stops32h 45m
Delta
Wed 7/89:15 am
SYD
- PHL
2 stops34h 14m
Delta
Deal found 4/29![Delta logo]()
$1,307
This Justfly.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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.
Thu 11/57:50 pm
PHL
- SYD
1 stop31h 00m
Qatar Airways
Sun 11/159:40 pm
SYD
- PHL
1 stop51h 20m
Qatar Airways
Deal found 4/30![Qatar Airways logo]()
$1,313
This Jetabroad deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 7/145:39 pm
PHL
- MEL
2 stops35h 41m
Multiple Airlines
Sat 7/257:30 am
MEL
- PHL
2 stops29h 27m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$1,315
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:05 pm
PHL
- SYD
2 stops24h 45m
Delta
Sun 10/410:15 am
SYD
- PHL
2 stops23h 12m
Delta
Deal found 4/29![Delta logo]()
$1,317
This oojo deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/33:13 pm
PHL
- SYD
2 stops27h 42m
Qantas Airways
Sun 12/139:25 pm
SYD
- PHL
1 stop24h 29m
Qantas Airways
Deal found 4/27![Qantas Airways logo]()
$1,331
This oojo deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/143:55 pm
PHL
- BNE
1 stop22h 55m
Qantas Airways
Sat 12/56:40 pm
BNE
- PHL
2 stops40h 28m
Qantas Airways
Deal found 4/26![Qantas Airways logo]()
$1,335
This oojo deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/11:00 pm
PHL
- MEL
1 stop24h 00m
Qantas Airways
Sun 11/156:00 am
MEL
- PHL
2 stops24h 37m
Qantas Airways
Deal found 4/26![Qantas Airways logo]()
$1,335
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 30, 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 30, 2026.
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:05 am
PHL
- SYD
2 stops33h 45m
Delta
Sun 10/1810:15 am
SYD
- PHL
2 stops28h 25m
Delta
Deal found 4/30![Delta logo]()
$1,307
This Trip.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/2012:17 pm
PHL
- MEL
3 stops33h 48m
Multiple Airlines
Wed 6/31:25 pm
MEL
- PHL
3 stops30h 12m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$1,337
This oojo deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/135:37 pm
PHL
- BNE
1 stop21h 23m
Qantas Airways
Sun 5/248:35 pm
BNE
- PHL
1 stop24h 25m
Qantas Airways
Deal found 4/28![Qantas Airways logo]()
$1,357
This Qatar Airways deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:30 pm
PHL
- SYD
2 stops34h 50m
Qatar Airways
Mon 9/218:50 am
SYD
- PHL
3 stops38h 10m
Qatar Airways
Deal found 4/26![Qatar Airways logo]()
$1,514
This American Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/103:29 pm
PHL
- CNS
2 stops33h 31m
American Airlines
Wed 6/173:45 pm
CNS
- PHL
2 stops30h 21m
American Airlines
Deal found 4/26![American Airlines logo]()
$1,552
This oojo deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/138:05 am
PHL
- BNE
2 stops39h 25m
Air New Zealand
Sun 5/247:35 pm
BNE
- PHL
2 stops41h 22m
Air New Zealand
Deal found 4/30![Air New Zealand logo]()
$1,974
This Booking.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/106:00 am
PHL
- BNE
3 stops39h 30m
Air Canada
Wed 6/178:45 pm
BNE
- PHL
3 stops39h 59m
Air Canada
Deal found 4/30![Air Canada logo]()
$2,283
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/106:23 pm
PHL
- OOL
2 stops28h 02m
United Airlines
Wed 6/177:05 am
OOL
- PHL
2 stops24h 12m
United Airlines
Deal found 4/26![United Airlines logo]()
$2,447
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:05 pm
PHL
- SYD
2 stops24h 45m
Delta
Sun 10/410:15 am
SYD
- PHL
2 stops23h 12m
Delta
Deal found 4/29![Delta logo]()
$1,317
This Qantas Airways deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 6/104:22 pm
PHL
- BNE
2 stops26h 58m
Qantas Airways
Wed 6/178:35 pm
BNE
- PHL
1 stop24h 30m
Qantas Airways
Deal found 4/30![Qantas Airways logo]()
$1,406
This BusinessClass deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:00 pm
PHL
- MEL
2 stops43h 55m
Qatar Airways
Fri 10/236:45 pm
MEL
- PHL
2 stops53h 15m
Qatar Airways
Deal found 4/27![Qatar Airways logo]()
$1,532
This Qantas Airways deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:35 pm
PHL
- MEL
1 stop24h 10m
Multiple Airlines
Mon 11/3011:15 pm
MEL
- PHL
1 stop25h 43m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$1,591
This Qantas Airways deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:43 pm
PHL
- SYD
1 stop23h 22m
Qantas Airways
Sun 9/279:10 am
SYD
- PHL
1 stop23h 24m
Qantas Airways
Deal found 4/27![Qantas Airways logo]()
$1,458
This American Airlines deal was found by Cheapflights users on 4/25. 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.
Tue 6/94:22 pm
PHL
- MEL
2 stops27h 58m
American Airlines
Tue 6/169:00 am
MEL
- PHL
2 stops26h 02m
American Airlines
Deal found 4/25![American Airlines logo]()
$1,610
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/142:12 pm
PHL
- SYD
2 stops26h 38m
Delta
Sun 9/279:15 am
SYD
- PHL
2 stops28h 25m
Delta
Deal found 4/27![Delta logo]()
$1,464
This Qatar Airways deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 10/108:30 pm
PHL
- SYD
2 stops34h 50m
Qatar Airways
Sun 10/189:50 am
SYD
- PHL
3 stops38h 10m
Qatar Airways
Deal found 4/30![Qatar Airways logo]()
$1,634
This Travelocity deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
Wed 5/205:37 pm
PHL
- AVV
2 stops39h 13m
Multiple Airlines
Wed 6/36:00 am
AVV
- PHL
2 stops29h 02m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$1,642
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:35 am
PHL
- SYD
2 stops34h 15m
Delta
Sun 5/249:15 am
SYD
- PHL
2 stops27h 57m
Delta
Deal found 4/27![Delta logo]()
$1,514
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/281:06 pm
PHL
- MEL
2 stops27h 39m
American Airlines
Thu 6/49:00 am
MEL
- PHL
2 stops26h 02m
American Airlines
Deal found 4/30![American Airlines logo]()
$1,677
This oojo deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/146:32 pm
PHL
- BNE
2 stops49h 48m
Qantas Airways
Sun 5/248:35 pm
BNE
- PHL
1 stop24h 25m
Qantas Airways
Deal found 4/30![Qantas Airways logo]()
$1,530
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:12 am
PHL
- SYD
2 stops34h 38m
Delta
Sat 7/49:15 am
SYD
- PHL
2 stops39h 47m
Delta
Deal found 4/27![Delta logo]()
$1,514
This Trip.com deal was found by Cheapflights users on 4/25. 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.
Tue 6/98:30 am
PHL
- MEL
3 stops36h 25m
Multiple Airlines
Tue 6/1612:10 pm
MEL
- PHL
3 stops32h 17m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$1,683
This KAYAK deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/88:00 am
PHL
- BNE
2 stops37h 05m
Air New Zealand
Sat 5/2312:20 pm
BNE
- PHL
2 stops37h 38m
Air New Zealand
Deal found 4/26![Air New Zealand logo]()
$2,072
This oojo deal was found by Cheapflights users on 4/25. 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.
Tue 6/94:30 pm
PHL
- MEL
2 stops28h 05m
Qantas Airways
Tue 6/169:45 am
MEL
- PHL
1 stop35h 20m
Qantas Airways
Deal found 4/25![Qantas Airways logo]()
$1,587
This Qatar Airways deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
Thu 10/158:30 pm
PHL
- CNS
2 stops46h 10m
Qatar Airways
Mon 10/197:50 pm
CNS
- PHL
2 stops51h 10m
Qatar Airways
Deal found 4/29![Qatar Airways logo]()
$1,756
This American Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/93:35 pm
PHL
- CBR
2 stops30h 35m
American Airlines
Thu 7/166:10 am
CBR
- PHL
2 stops28h 40m
American Airlines
Deal found 4/27![American Airlines logo]()
$1,758
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/135:30 pm
PHL
- CBR
2 stops29h 35m
Multiple Airlines
Sat 6/206:10 am
CBR
- PHL
2 stops24h 17m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$1,711
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/105:40 am
PHL
- MEL
2 stops36h 10m
Delta
Wed 6/1710:00 am
MEL
- PHL
2 stops27h 58m
Delta
Deal found 4/26![Delta logo]()
$1,564
This American Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/103:20 pm
PHL
- PER
2 stops31h 55m
American Airlines
Wed 6/1710:35 am
PER
- PHL
2 stops33h 31m
American Airlines
Deal found 4/26![American Airlines logo]()
$1,763
This Qantas Airways deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/123:42 pm
PHL
- MEL
1 stop25h 03m
Qantas Airways
Tue 5/199:45 am
MEL
- PHL
1 stop34h 07m
Qantas Airways
Deal found 4/26![Qantas Airways logo]()
$1,610
Last-minute flights from Philadelphia to AustraliaDiscover last-minute flight deals from Philadelphia to Australia. Data last updated April 30, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Australia. Data last updated April 30, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/301:20 pm
PHL
- SYD
2 stops27h 30m
Delta
Thu 5/79:15 am
SYD
- PHL
2 stops26h 57m
Delta
Deal found 4/29![Delta logo]()
$1,397
This oojo deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/135:37 pm
PHL
- BNE
1 stop21h 23m
Qantas Airways
Sun 5/248:35 pm
BNE
- PHL
1 stop24h 25m
Qantas Airways
Deal found 4/28![Qantas Airways logo]()
$1,357
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/131:42 pm
PHL
- BNE
2 stops25h 18m
American Airlines
Sun 5/248:35 pm
BNE
- PHL
2 stops26h 15m
American Airlines
Deal found 4/28![American Airlines logo]()
$1,400
This oojo deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/146:32 pm
PHL
- BNE
2 stops49h 48m
Qantas Airways
Sun 5/248:35 pm
BNE
- PHL
1 stop24h 25m
Qantas Airways
Deal found 4/30![Qantas Airways logo]()
$1,530
This Cheapflightsfares deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/193:42 pm
PHL
- SYD
1 stop25h 23m
Qantas Airways
Sat 7/45:50 pm
SYD
- PHL
1 stop27h 10m
Qantas Airways
Deal found 4/27![Qantas Airways logo]()
$1,494
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/2012:07 pm
PHL
- MEL
2 stops29h 43m
Delta
Wed 6/310:00 am
MEL
- PHL
2 stops23h 27m
Delta
Deal found 4/29![Delta logo]()
$1,297
This Trip.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/2012:17 pm
PHL
- MEL
3 stops33h 48m
Multiple Airlines
Wed 6/31:25 pm
MEL
- PHL
3 stops30h 12m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$1,337
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/2711:28 am
PHL
- SYD
2 stops29h 22m
Delta
Mon 6/89:15 am
SYD
- PHL
2 stops24h 05m
Delta
Deal found 4/29![Delta logo]()
$1,297
This oojo deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/275:40 pm
PHL
- SYD
1 stop23h 25m
Qantas Airways
Mon 6/89:10 am
SYD
- PHL
1 stop23h 25m
Qantas Airways
Deal found 4/30![Qantas Airways logo]()
$1,413
This oojo deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/274:22 pm
PHL
- SYD
1 stop24h 33m
Qantas Airways
Tue 6/99:10 am
SYD
- PHL
1 stop23h 25m
Qantas Airways
Deal found 4/29![Qantas Airways logo]()
$1,414
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/308:05 am
PHL
- SYD
2 stops32h 45m
Delta
Sun 6/149:15 am
SYD
- PHL
2 stops38h 19m
Delta
Deal found 4/29![Delta logo]()
$1,347
This oojo deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 6/149:10 am
SYD
- PHL
1 stop23h 25m
Qantas Airways
Deal found 4/28![Qantas Airways logo]()
$1,462
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 30, 2026.
Search for one-way flight options from Philadelphia to Australia. Find affordable one-way fares based on user searches. Data last updated April 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:00 am
PHL
- SYD
3 stops38h 50m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$651
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 5/148:35 pm
PHL
- MEL
3 stops49h 30m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$688
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 5/145:37 am
PHL
- AVV
3 stops51h 13m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$737
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 6/1511:00 am
PHL
- CBR
3 stops59h 05m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$755
This BusinessClass deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
Sun 6/285:40 pm
PHL
- SYD
2 stops35h 45m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$765
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/299:45 am
PHL
- MEL
2 stops32h 05m
Delta
Deal found 4/29![Delta logo]()
$773
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:00 am
PHL
- SYD
2 stops34h 30m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$779
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 9/244:44 pm
PHL
- PER
3 stops45h 11m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$804
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/187:26 pm
PHL
- BNE
1 stop43h 34m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$831
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 9/256:06 pm
PHL
- PER
3 stops50h 49m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$845
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:30 am
PHL
- BNE
3 stops49h 25m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$850
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 9/206:06 pm
PHL
- PER
3 stops50h 04m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$861
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 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,257 (Delta) |
One-way from | $651 (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 30, 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
Sat 10/10
7:05 am-7:50 am
2 stops33h 45m
Sydney Kingsford Smith
Sun 10/18
10:15 am-11:40 pm
2 stops28h 25m
$1,307
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Fri 9/25
4:05 pm-6:50 am
2 stops24h 45m
Sydney Kingsford Smith
Sun 10/4
10:15 am-6:27 pm
2 stops23h 12m
$1,317
PhiladelphiaMelbourne
PHL - MEL
PHLMEL
Philadelphia
Wed 5/20
12:17 pm-12:05 pm
3 stops33h 48m
Melbourne
Wed 6/3
1:25 pm-5:37 am
3 stops30h 12m
$1,337
Quickest round-trip
PhiladelphiaBrisbane
PHL - BNE
PHLBNE
Philadelphia
Wed 5/13
5:37 pm-5:00 am
1 stop21h 23m
Brisbane
Sun 5/24
8:35 pm-7:00 am
1 stop24h 25m
$1,357
PhiladelphiaBrisbane
PHL - BNE
PHLBNE
Philadelphia
Wed 6/10
4:22 pm-9:20 am
2 stops26h 58m
Brisbane
Wed 6/17
8:35 pm-7:05 am
1 stop24h 30m
$1,406
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Mon 9/14
5:43 pm-7:05 am
1 stop23h 22m
Sydney Kingsford Smith
Sun 9/27
9:10 am-6:34 pm
1 stop23h 24m
$1,458
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Mon 9/14
2:12 pm-6:50 am
2 stops26h 38m
Sydney Kingsford Smith
Sun 9/27
9:15 am-11:40 pm
2 stops28h 25m
$1,464
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Mon 9/14
8:30 pm-9:20 pm
2 stops34h 50m
Sydney Kingsford Smith
Mon 9/21
8:50 am-9:00 am
3 stops38h 10m
$1,514
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Fri 5/15
6:35 am-6:50 am
2 stops34h 15m
Sydney Kingsford Smith
Sun 5/24
9:15 am-11:12 pm
2 stops27h 57m
$1,514
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Tue 5/19
6:12 am-6:50 am
2 stops34h 38m
Sydney Kingsford Smith
Sat 7/4
9:15 am-11:02 am
2 stops39h 47m
$1,514
Showing 1-10 of 56 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-MEL
PHL-SYD
PHL-BNE
PHL-AVV
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-MEL
PHL-SYD
PHL-BNE
PHL-AVV
How far ahead should I book a flight from Philadelphia to Australia?
The price you pay for your flight from Philadelphia to Australia may vary depending on when you book. For the best chance of a lower fare, look to book 86 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 30, 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.
Boarding
8.2
Crew
8.6
Entertainment
7.5
Food
7.5
Comfort
8.1
Overall
8.1
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Boarding
8.2
Crew
8.6
Entertainment
7.5
Food
7.5
Comfort
8.1
Overall
8.1
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Boarding
8.2
Crew
8.6
Entertainment
7.5
Food
7.5
Comfort
8.1
Overall
8.1
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Boarding
8.2
Crew
8.6
Entertainment
7.5
Food
7.5
Comfort
8.1
Overall
8.1
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Boarding
8.2
Crew
8.6
Entertainment
7.5
Food
7.5
Comfort
8.1
Overall
8.1
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Boarding
8.2
Crew
8.6
Entertainment
7.5
Food
7.5
Comfort
8.1
Overall
8.1
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Related info for your journey
Find useful and relevant information for your journey from Philadelphia to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Philadelphia to Australia
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Complete your trip
Complete your trip to Australia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Philadelphia to Australia by cabin class
Find flights from Philadelphia to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Philadelphia and Australia flights
Browse other Philadelphia and Australia flight options. Last updated on April 30, 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 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$539 | Average$1,823 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$765 | Average$1,489 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$945 | Average$1,697 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$954 | Average$1,494 | 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% |