$585+ Cheap flights from Philadelphia (PHL) to Australia
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
Jun 6 — Jun 131
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 May 7, 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 May 7, 2026.
This oojo deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 11/33:55 pm
PHL
- BNE
1 stop22h 55m
Qantas Airways
Tue 11/171:10 pm
BNE
- PHL
1 stop21h 53m
Qantas Airways
Deal found 5/1![Qantas Airways logo]()
$1,220
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 12/287:15 pm
PHL
- MEL
2 stops46h 35m
Delta
Tue 1/1912:00 pm
MEL
- PHL
2 stops28h 21m
Delta
Deal found 5/4![Delta logo]()
$1,236
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 8/175:45 am
PHL
- MEL
2 stops36h 05m
Delta
Sun 8/2310:00 am
MEL
- PHL
2 stops27h 26m
Delta
Deal found 5/5![Delta logo]()
$1,237
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 9/1410:21 am
PHL
- SYD
2 stops30h 29m
Delta
Sun 9/279:15 am
SYD
- PHL
2 stops24h 07m
Delta
Deal found 5/5![Delta logo]()
$1,237
This FlightHub deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 9/148:30 pm
PHL
- MEL
1 stop42h 25m
Qatar Airways
Thu 10/224:10 pm
MEL
- PHL
1 stop31h 50m
Qatar Airways
Deal found 5/5![Qatar Airways logo]()
$1,240
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 8/104:05 pm
PHL
- MEL
2 stops25h 45m
Delta
Wed 9/210:00 am
MEL
- PHL
2 stops26h 20m
Delta
Deal found 5/1![Delta logo]()
$1,246
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:12 pm
PHL
- MEL
2 stops45h 38m
Delta
Sun 8/2310:00 am
MEL
- PHL
2 stops27h 26m
Delta
Deal found 5/5![Delta logo]()
$1,248
This American Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/31:22 pm
PHL
- BNE
2 stops25h 28m
American Airlines
Tue 11/171:10 pm
BNE
- PHL
2 stops21h 44m
American Airlines
Deal found 5/1![American Airlines logo]()
$1,250
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/276:15 am
PHL
- MEL
2 stops59h 35m
Delta
Wed 1/1312:00 pm
MEL
- PHL
2 stops27h 02m
Delta
Deal found 5/4![Delta logo]()
$1,253
This Air Canada deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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.
Mon 9/710:05 am
PHL
- BNE
2 stops31h 00m
Air Canada
Wed 10/710:00 am
BNE
- PHL
2 stops25h 32m
Air Canada
Deal found 5/6![Air Canada logo]()
$1,254
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 8/188:12 pm
PHL
- MEL
2 stops45h 38m
Delta
Sun 8/2310:00 am
MEL
- PHL
2 stops36h 48m
Delta
Deal found 5/5![Delta logo]()
$1,254
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 8/115:21 pm
PHL
- MEL
2 stops48h 29m
Delta
Sun 8/3010:00 am
MEL
- PHL
2 stops23h 22m
Delta
Deal found 5/1![Delta logo]()
$1,257
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 May 7, 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 May 7, 2026.
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 9/1410:21 am
PHL
- SYD
2 stops30h 29m
Delta
Sun 9/279:15 am
SYD
- PHL
2 stops24h 07m
Delta
Deal found 5/5![Delta logo]()
$1,237
This Fareboom deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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.
Sat 7/251:04 pm
PHL
- BNE
2 stops32h 01m
Multiple Airlines
Tue 8/46:15 pm
BNE
- PHL
2 stops25h 28m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$1,273
This Air Canada deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2510:05 am
PHL
- BNE
2 stops31h 00m
Air Canada
Tue 8/46:05 pm
BNE
- PHL
3 stops42h 41m
Air Canada
Deal found 5/6![Air Canada logo]()
$1,330
This Qatar Airways deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:30 pm
PHL
- SYD
2 stops35h 10m
Qatar Airways
Sat 10/38:45 pm
SYD
- PHL
1 stop50h 15m
Qatar Airways
Deal found 5/3![Qatar Airways logo]()
$1,333
This American Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 7/253:35 pm
PHL
- BNE
1 stop23h 25m
American Airlines
Tue 8/42:25 pm
BNE
- PHL
2 stops29h 18m
American Airlines
Deal found 5/6![American Airlines logo]()
$1,479
This Qantas Airways deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 7/253:35 pm
PHL
- BNE
1 stop23h 25m
Qantas Airways
Sun 8/28:50 pm
BNE
- PHL
2 stops38h 00m
Qantas Airways
Deal found 5/3![Qantas Airways logo]()
$1,603
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 7/269:25 am
PHL
- BNE
1 stop31h 05m
United Airlines
Sun 8/210:30 am
BNE
- PHL
1 stop28h 53m
United Airlines
Deal found 5/3![United Airlines logo]()
$2,208
This KAYAK deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 6/16:23 pm
PHL
- MCY
2 stops32h 07m
Air New Zealand
Fri 6/512:35 pm
MCY
- PHL
2 stops37h 23m
Air New Zealand
Deal found 5/5![Air New Zealand logo]()
$2,268
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 5/276:35 am
PHL
- SYD
2 stops34h 15m
Delta
Mon 6/89:15 am
SYD
- PHL
2 stops28h 43m
Delta
Deal found 5/5![Delta logo]()
$1,277
This BusinessClass deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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.
Fri 6/125:40 pm
PHL
- MEL
3 stops32h 10m
Air Tahiti Nui
Wed 6/246:30 pm
MEL
- PHL
3 stops42h 29m
Air Tahiti Nui
Deal found 5/6![Air Tahiti Nui logo]()
$2,601
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 6/110:32 am
PHL
- SYD
2 stops30h 18m
Delta
Wed 6/179:15 am
SYD
- PHL
2 stops28h 43m
Delta
Deal found 5/5![Delta logo]()
$1,277
This Qatar Airways deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 9/198:30 pm
PHL
- SYD
1 stop30h 40m
Qatar Airways
Mon 9/2812:00 pm
SYD
- PHL
2 stops35h 00m
Qatar Airways
Deal found 5/4![Qatar Airways logo]()
$1,474
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 8/142:31 pm
PHL
- MEL
2 stops27h 19m
Delta
Sun 8/2310:00 am
MEL
- PHL
2 stops29h 12m
Delta
Deal found 5/5![Delta logo]()
$1,287
This American Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/183:29 pm
PHL
- CNS
2 stops29h 06m
American Airlines
Wed 7/83:45 pm
CNS
- PHL
2 stops30h 12m
American Airlines
Deal found 5/4![American Airlines logo]()
$1,602
This oojo deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 10/53:35 pm
PHL
- AVV
2 stops33h 30m
Multiple Airlines
Thu 10/156:00 am
AVV
- PHL
2 stops25h 37m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$1,635
This FlightHub deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 10/198:30 pm
PHL
- BNE
1 stop31h 00m
Qatar Airways
Sat 10/2410:10 pm
BNE
- PHL
1 stop48h 50m
Qatar Airways
Deal found 5/4![Qatar Airways logo]()
$1,502
This Jetabroad deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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.
Mon 6/153:20 pm
PHL
- BNE
2 stops28h 45m
Qantas Airways
Mon 6/227:55 am
BNE
- PHL
2 stops28h 05m
Qantas Airways
Deal found 5/2![Qantas Airways logo]()
$1,697
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 9/194:05 pm
PHL
- SYD
2 stops24h 45m
Delta
Mon 9/289:15 am
SYD
- PHL
2 stops28h 25m
Delta
Deal found 5/4![Delta logo]()
$1,297
This Orbitz deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:01 pm
PHL
- AVV
2 stops38h 49m
Multiple Airlines
Sat 8/154:40 pm
AVV
- PHL
2 stops39h 54m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,690
This Qatar Airways deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 10/178:30 pm
PHL
- BNE
1 stop31h 00m
Qatar Airways
Wed 10/2110:10 pm
BNE
- PHL
1 stop48h 50m
Qatar Airways
Deal found 5/4![Qatar Airways logo]()
$1,546
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 stops34h 26m
Delta
Deal found 5/3![Delta logo]()
$1,297
This American Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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.
Fri 6/195:40 pm
PHL
- OOL
2 stops27h 00m
American Airlines
Fri 6/267:00 am
OOL
- PHL
2 stops25h 54m
American Airlines
Deal found 5/5![American Airlines logo]()
$1,732
This Qantas Airways deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/145:40 pm
PHL
- ADL
2 stops28h 45m
Qantas Airways
Mon 7/67:10 pm
ADL
- PHL
2 stops37h 01m
Qantas Airways
Deal found 5/2![Qantas Airways logo]()
$1,753
This BusinessClass deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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.
Sat 8/15:39 pm
PHL
- MCY
2 stops36h 11m
Multiple Airlines
Fri 8/74:05 pm
MCY
- PHL
2 stops42h 58m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,737
This Qantas Airways deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/175:40 pm
PHL
- ADL
2 stops28h 45m
Qantas Airways
Sun 7/55:10 pm
ADL
- PHL
2 stops39h 01m
Qantas Airways
Deal found 5/4![Qantas Airways logo]()
$1,753
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 8/16:00 am
PHL
- SYD
2 stops34h 50m
Delta
Sat 8/159:15 am
SYD
- PHL
2 stops37h 21m
Delta
Deal found 5/2![Delta logo]()
$1,347
This Qatar Airways deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:50 pm
PHL
- PER
1 stop33h 55m
Qatar Airways
Sun 11/110:45 pm
PER
- PHL
1 stop47h 15m
Qatar Airways
Deal found 5/1![Qatar Airways logo]()
$1,643
This Air Canada deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:05 am
PHL
- BNE
2 stops31h 00m
Air Canada
Wed 10/2110:00 am
BNE
- PHL
2 stops37h 45m
Air Canada
Deal found 5/3![Air Canada logo]()
$2,224
This American Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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.
Fri 7/35:35 pm
PHL
- PER
2 stops32h 00m
American Airlines
Sat 7/1110:35 am
PER
- PHL
2 stops33h 22m
American Airlines
Deal found 5/3![American Airlines logo]()
$1,876
This Qantas Airways deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/153:29 pm
PHL
- ADL
2 stops30h 56m
Qantas Airways
Mon 7/67:10 pm
ADL
- PHL
2 stops37h 01m
Qantas Airways
Deal found 5/3![Qantas Airways logo]()
$1,753
Last-minute flights from Philadelphia to AustraliaDiscover last-minute flight deals from Philadelphia to Australia. Data last updated May 7, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Australia. Data last updated May 7, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 5/611:34 am
PHL
- SYD
2 stops29h 16m
Delta
Wed 5/139:15 am
SYD
- PHL
2 stops26h 57m
Delta
Deal found 5/5![Delta logo]()
$1,277
This Air Canada deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 5/710:05 am
PHL
- SYD
2 stops31h 15m
Air Canada
Thu 5/149:20 am
SYD
- PHL
2 stops43h 28m
Air Canada
Deal found 5/6![Air Canada logo]()
$1,368
This Air Canada deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1010:05 am
PHL
- SYD
2 stops31h 15m
Air Canada
Sat 5/169:20 am
SYD
- PHL
2 stops43h 28m
Air Canada
Deal found 5/6![Air Canada logo]()
$1,331
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/1212:07 pm
PHL
- SYD
2 stops28h 43m
Delta
Tue 5/199:15 am
SYD
- PHL
2 stops25h 34m
Delta
Deal found 5/2![Delta logo]()
$1,287
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 5/157:25 am
PHL
- MEL
2 stops34h 25m
Delta
Wed 5/2710:00 am
MEL
- PHL
2 stops28h 57m
Delta
Deal found 5/3![Delta logo]()
$1,336
This Air Canada deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1710:05 am
PHL
- BNE
2 stops31h 00m
Air Canada
Sun 8/1610:00 am
BNE
- PHL
2 stops25h 34m
Air Canada
Deal found 5/6![Air Canada logo]()
$1,254
This FlightHub deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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.
Sat 5/303:25 pm
PHL
- SYD
2 stops49h 55m
Air Canada
Sun 6/149:20 am
SYD
- PHL
2 stops34h 11m
Air Canada
Deal found 5/6![Air Canada logo]()
$1,286
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/306:12 am
PHL
- SYD
2 stops34h 38m
Delta
Sun 6/149:15 am
SYD
- PHL
2 stops38h 19m
Delta
Deal found 5/4![Delta logo]()
$1,327
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/315:45 am
PHL
- SYD
2 stops35h 05m
Delta
Sat 6/139:15 am
SYD
- PHL
2 stops37h 29m
Delta
Deal found 5/1![Delta logo]()
$1,336
This American Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/87:00 am
PHL
- BNE
1 stop32h 00m
American Airlines
Mon 6/158:35 pm
BNE
- PHL
1 stop25h 31m
American Airlines
Deal found 5/3![American Airlines logo]()
$1,396
This Ovago deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/1410:25 am
PHL
- ADL
2 stops38h 00m
Multiple Airlines
Thu 7/97:00 pm
ADL
- PHL
2 stops52h 34m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$1,375
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 stops37h 26m
Delta
Deal found 5/4![Delta logo]()
$1,337
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 May 7, 2026.
Search for one-way flight options from Philadelphia to Australia. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 8/1711:59 pm
PHL
- CNS
3 stops45h 41m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$585
This Jetabroad deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/65:23 pm
PHL
- MEL
2 stops35h 57m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$585
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/1111:00 am
PHL
- SYD
3 stops58h 50m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$587
This Trip.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:06 am
PHL
- MEL
3 stops35h 19m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$629
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 8/411:06 am
PHL
- MEL
3 stops58h 54m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$639
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 9/13:20 pm
PHL
- AVV
3 stops33h 00m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$691
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1012:07 pm
PHL
- SYD
2 stops28h 43m
Delta
Deal found 5/5![Delta logo]()
$713
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/178:05 am
PHL
- MEL
2 stops33h 45m
Delta
Deal found 5/3![Delta logo]()
$718
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 8/43:55 pm
PHL
- AVV
3 stops34h 10m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$724
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 8/611:35 am
PHL
- AVV
3 stops56h 10m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$730
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 5/108:35 pm
PHL
- SYD
3 stops49h 15m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$741
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 9/156:06 pm
PHL
- PER
3 stops50h 49m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$743
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 May 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,236 (Delta) |
One-way from | $585 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,453 |
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 May 7, 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
10:21 am-6:50 am
2 stops30h 29m
Sydney Kingsford Smith
Sun 9/27
9:15 am-7:22 pm
2 stops24h 07m
$1,237
PhiladelphiaBrisbane
PHL - BNE
PHLBNE
Philadelphia
Sat 7/25
1:04 pm-11:05 am
2 stops32h 01m
Brisbane
Tue 8/4
6:15 pm-5:43 am
2 stops25h 28m
$1,273
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Wed 5/27
6:35 am-6:50 am
2 stops34h 15m
Sydney Kingsford Smith
Mon 6/8
9:15 am-11:58 pm
2 stops28h 43m
$1,277
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Mon 6/1
10:32 am-6:50 am
2 stops30h 18m
Sydney Kingsford Smith
Wed 6/17
9:15 am-11:58 pm
2 stops28h 43m
$1,277
PhiladelphiaMelbourne
PHL - MEL
PHLMEL
Philadelphia
Fri 8/14
2:31 pm-7:50 am
2 stops27h 19m
Melbourne
Sun 8/23
10:00 am-1:12 am
2 stops29h 12m
$1,287
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Sat 9/19
4:05 pm-6:50 am
2 stops24h 45m
Sydney Kingsford Smith
Mon 9/28
9:15 am-11:40 pm
2 stops28h 25m
$1,297
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-5:41 am
2 stops34h 26m
$1,297
PhiladelphiaBrisbane
PHL - BNE
PHLBNE
Philadelphia
Sat 7/25
10:05 am-7:05 am
2 stops31h 00m
Brisbane
Tue 8/4
6:05 pm-10:46 pm
3 stops42h 41m
$1,330
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Wed 9/23
8:30 pm-9:40 pm
2 stops35h 10m
Sydney Kingsford Smith
Sat 10/3
8:45 pm-9:00 am
1 stop50h 15m
$1,333
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Sat 8/1
6:00 am-6:50 am
2 stops34h 50m
Sydney Kingsford Smith
Sat 8/15
9:15 am-8:36 am
2 stops37h 21m
$1,347
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Philadelphia to Australia
Have a flexible travel schedule? Discover the best time to fly to Australia from Philadelphia with our price prediction graph.
PHL-BNE
PHL-SYD
PHL-MEL
PHL-ADL
PHL-CNS
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-MEL
PHL-ADL
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 May 7, 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.
Overall
8.1
Food
7.5
Comfort
8.1
Crew
8.6
Entertainment
7.5
Boarding
8.2
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Overall
8.1
Food
7.5
Comfort
8.1
Crew
8.6
Entertainment
7.5
Boarding
8.2
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Overall
8.1
Food
7.5
Comfort
8.1
Crew
8.6
Entertainment
7.5
Boarding
8.2
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Overall
8.1
Food
7.5
Comfort
8.1
Crew
8.6
Entertainment
7.5
Boarding
8.2
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Overall
8.1
Food
7.5
Comfort
8.1
Crew
8.6
Entertainment
7.5
Boarding
8.2
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Overall
8.1
Food
7.5
Comfort
8.1
Crew
8.6
Entertainment
7.5
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.
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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 May 7, 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 May 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$539 | Average$1,807 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$765 | Average$1,489 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$945 | Average$1,683 | 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% |