$688+ Cheap flights from Philadelphia (PHL) to Australia
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to Australia with Cheapflights
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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
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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 September 17, 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 September 17, 2026.
This Expedia deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:57 pm -
1 stop25h 08m
Tue 10/2010:10 am -
1 stop21h 09m
Deal found 9/15![Qantas Airways logo]()
$1,119
This Priceline deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:20 pm -
2 stops26h 25m
Tue 11/310:45 am -
2 stops42h 59m
Deal found 9/12![Air Canada logo]()
$1,138
This Air Canada deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:20 pm -
3 stops28h 25m
Tue 11/310:45 am -
2 stops42h 59m
Deal found 9/12![Multiple Airlines logo]()
$1,140
This Air Canada deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:20 pm -
2 stops26h 25m
Wed 11/46:05 am -
3 stops31h 51m
Deal found 9/13![Multiple Airlines logo]()
$1,164
This Air Canada deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/203:20 pm -
2 stops26h 25m
Sun 11/2910:45 am -
2 stops42h 59m
Deal found 9/15![Air Canada logo]()
$1,175
This Justfly.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/23:20 pm -
2 stops26h 15m
Sun 11/811:20 am -
2 stops43h 24m
Deal found 9/16![Air Canada logo]()
$1,177
This Air Canada deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/83:20 pm -
2 stops26h 15m
Wed 11/1811:20 am -
2 stops43h 24m
Deal found 9/14![Air Canada logo]()
$1,178
This Air Canada deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:20 pm -
3 stops28h 15m
Tue 11/311:20 am -
2 stops43h 24m
Deal found 9/13![Multiple Airlines logo]()
$1,179
This Priceline deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/313:20 pm -
2 stops27h 25m
Sat 11/710:45 am -
2 stops27h 11m
Deal found 9/15![Air Canada logo]()
$1,180
This lol.travel deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:15 am -
3 stops38h 10m
Thu 11/56:00 am -
3 stops49h 51m
Deal found 9/13![Air Canada logo]()
$1,180
This Air Canada deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:16 pm -
3 stops29h 29m
Sat 11/710:45 am -
2 stops27h 11m
Deal found 9/15![Multiple Airlines logo]()
$1,181
This Air Canada deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:05 pm -
2 stops48h 30m
Sun 11/1511:20 am -
2 stops43h 24m
Deal found 9/15![Air Canada logo]()
$1,182
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 September 17, 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 September 17, 2026.
This lol.travel deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:15 am -
3 stops38h 10m
Thu 11/56:00 am -
3 stops49h 51m
Deal found 9/13![Air Canada logo]()
$1,180
This Air Canada deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:15 am -
3 stops43h 05m
Mon 11/238:55 pm -
3 stops42h 01m
Deal found 9/14![Multiple Airlines logo]()
$1,186
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:54 am -
2 stops29h 36m
Wed 11/411:20 am -
1 stop20h 55m
Deal found 9/13![United Airlines logo]()
$1,259
This Qatar Airways deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/178:45 pm -
2 stops33h 35m
Wed 2/243:50 pm -
1 stop39h 00m
Deal found 9/16![Qatar Airways logo]()
$1,301
This Qantas Airways deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:30 pm -
2 stops27h 00m
Sat 11/712:00 pm -
1 stop20h 27m
Deal found 9/15![Qantas Airways logo]()
$1,364
This JetBlue deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:45 pm -
1 stop29h 05m
Thu 11/511:40 pm -
1 stop31h 10m
Deal found 9/14![JetBlue logo]()
$1,427
This American Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/123:57 pm -
2 stops30h 08m
Mon 10/196:10 am -
2 stops25h 09m
Deal found 9/12![American Airlines logo]()
$1,552
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:13 pm -
2 stops43h 47m
Sun 1/2410:10 am -
2 stops28h 52m
Deal found 9/13![Delta logo]()
$1,665
This Justfly.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/48:00 am -
2 stops35h 25m
Thu 1/2112:05 pm -
2 stops35h 10m
Deal found 9/15![Air New Zealand logo]()
$1,837
This Air Canada deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/269:15 am -
3 stops44h 05m
Mon 1/256:00 am -
3 stops50h 21m
Deal found 9/13![Multiple Airlines logo]()
$1,296
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/207:37 pm -
2 stops44h 53m
Wed 12/3011:20 am -
2 stops37h 36m
Deal found 9/16![United Airlines logo]()
$1,322
This Expedia deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:57 pm -
2 stops30h 08m
Thu 11/56:05 am -
2 stops25h 52m
Deal found 9/13![Qantas Airways logo]()
$1,366
This Qatar Airways deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:45 pm -
1 stop34h 35m
Wed 11/116:20 pm -
2 stops36h 30m
Deal found 9/16![Qatar Airways logo]()
$1,384
This Air Canada deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 11/83:20 pm -
2 stops50h 25m
Thu 11/1210:45 am -
2 stops42h 59m
Deal found 9/11![Air Canada logo]()
$1,451
This Air Canada deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:15 am -
3 stops36h 50m
Thu 11/196:00 am -
3 stops32h 56m
Deal found 9/16![Multiple Airlines logo]()
$1,368
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/296:24 am -
2 stops58h 06m
Mon 1/117:50 pm -
2 stops55h 15m
Deal found 9/13![United Airlines logo]()
$1,374
This JetBlue deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/88:45 pm -
1 stop29h 45m
Thu 11/129:55 pm -
1 stop31h 55m
Deal found 9/15![JetBlue logo]()
$1,524
This Qatar Airways deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/88:45 pm -
2 stops33h 35m
Wed 11/183:50 pm -
1 stop39h 00m
Deal found 9/12![Qatar Airways logo]()
$1,387
This Air Canada deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/89:15 am -
3 stops46h 05m
Mon 3/1510:55 pm -
3 stops52h 55m
Deal found 9/14![Air Canada logo]()
$1,466
This JetBlue deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:45 pm -
1 stop33h 00m
Thu 11/1910:45 pm -
1 stop29h 05m
Deal found 9/12![JetBlue logo]()
$1,579
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:24 pm -
2 stops27h 31m
Tue 10/2011:20 am -
1 stop21h 01m
Deal found 9/13![United Airlines logo]()
$1,460
This Gotogate deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:45 pm -
2 stops43h 45m
Thu 11/510:00 pm -
1 stop32h 20m
Deal found 9/13![Qatar Airways logo]()
$1,463
This Air New Zealand deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:00 am -
2 stops34h 55m
Wed 11/1112:10 pm -
3 stops37h 42m
Deal found 9/12![Multiple Airlines logo]()
$1,469
This Jetabroad deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:00 am -
3 stops41h 15m
Thu 11/512:05 pm -
2 stops26h 22m
Deal found 9/13![Air New Zealand logo]()
$1,848
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:30 pm -
1 stop22h 25m
Mon 10/1910:30 am -
2 stops28h 00m
Deal found 9/12![United Airlines logo]()
$1,465
This Qatar Airways deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/81:30 pm -
2 stops48h 15m
Tue 1/264:10 pm -
1 stop38h 40m
Deal found 9/13![Qatar Airways logo]()
$1,474
This Air New Zealand deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:45 am -
3 stops31h 50m
Sat 11/711:50 am -
3 stops37h 55m
Deal found 9/16![Multiple Airlines logo]()
$1,482
This Jetabroad deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:30 pm -
2 stops27h 35m
Tue 10/207:45 pm -
3 stops51h 04m
Deal found 9/15![Air New Zealand logo]()
$1,871
This FlightHub deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:30 pm -
2 stops36h 55m
Sat 10/106:00 am -
2 stops39h 16m
Deal found 9/14![Qantas Airways logo]()
$1,894
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:45 am -
2 stops32h 45m
Mon 1/2511:30 am -
2 stops23h 10m
Deal found 9/13![United Airlines logo]()
$1,470
Last-minute flights from Philadelphia to AustraliaDiscover last-minute flight deals from Philadelphia to Australia. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Australia. Data last updated September 17, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:57 pm -
1 stop25h 08m
Tue 10/2010:10 am -
1 stop21h 09m
Deal found 9/15![Qantas Airways logo]()
$1,119
This Air Canada deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:05 am -
2 stops31h 15m
Wed 10/2810:20 am -
3 stops43h 24m
Deal found 9/12![Air Canada logo]()
$1,186
This Orbitz deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/269:15 am -
3 stops36h 20m
Mon 1/258:00 am -
3 stops30h 56m
Deal found 9/13![Multiple Airlines logo]()
$1,187
This Priceline deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:20 pm -
2 stops26h 25m
Tue 11/310:45 am -
2 stops42h 59m
Deal found 9/12![Air Canada logo]()
$1,138
This Air Canada deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:20 pm -
3 stops28h 25m
Tue 11/310:45 am -
2 stops42h 59m
Deal found 9/12![Multiple Airlines logo]()
$1,140
This Air Canada deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:20 pm -
2 stops26h 15m
Tue 11/311:20 am -
2 stops43h 24m
Deal found 9/13![Air Canada logo]()
$1,178
This Air Canada deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:20 pm -
3 stops28h 15m
Tue 11/311:20 am -
2 stops43h 24m
Deal found 9/13![Multiple Airlines logo]()
$1,179
This Air Canada deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:15 am -
3 stops37h 20m
Tue 11/38:00 am -
3 stops30h 56m
Deal found 9/12![Air Canada logo]()
$1,193
This Air Canada deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:20 pm -
2 stops26h 25m
Wed 11/46:05 am -
3 stops31h 51m
Deal found 9/13![Multiple Airlines logo]()
$1,164
This lol.travel deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:15 am -
3 stops38h 10m
Thu 11/56:00 am -
3 stops49h 51m
Deal found 9/13![Air Canada logo]()
$1,180
This Priceline deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/313:20 pm -
2 stops27h 25m
Sat 11/710:45 am -
2 stops27h 11m
Deal found 9/15![Air Canada logo]()
$1,180
This Air Canada deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:16 pm -
3 stops29h 29m
Sat 11/710:45 am -
2 stops27h 11m
Deal found 9/15![Multiple Airlines logo]()
$1,181
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 September 17, 2026.
Search for one-way flight options from Philadelphia to Australia. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/276:15 am -
3 stops46h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$688
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:41 pm -
2 stops40h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$691
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/236:15 am -
3 stops46h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$712
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/12:45 pm -
2 stops47h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$713
This Jetabroad deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/33:55 pm -
2 stops35h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$807
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/82:45 pm -
3 stops59h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$814
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/92:45 pm -
3 stops54h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$818
This Booking.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:05 pm -
2 stops38h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$835
This Booking.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/295:05 pm -
2 stops35h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$841
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:02 am -
3 stops56h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$844
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:55 pm -
3 stops57h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$852
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:30 am -
3 stops47h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$869
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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $916 (Expedia) |
One-way from | $688 (Kiwi.com) |
Popular in | January |
Cheapest in | February |
Average price | $1,389 |
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 7,457,451 searches. Data last updated September 17, 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 Philadelphia - SYD Sydney Kingsford Smith
PHLSYD
Philadelphia
Sat 2/27
6:15 am-8:15 pm
3 stops46h 00m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$688
Quickest round-trip
PhiladelphiaSydney
PHL Philadelphia - SYD Sydney Kingsford Smith
PHLSYD
Philadelphia
Wed 9/23
1:10 pm-7:05 am
1 stop27h 55m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$694
PhiladelphiaSydney
PHL Philadelphia - SYD Sydney Kingsford Smith
PHLSYD
Philadelphia
Sun 11/29
5:05 pm-8:50 pm
2 stops35h 45m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$841
PhiladelphiaMelbourne
PHL Philadelphia - AVV Melbourne Avalon
PHLAVV
Philadelphia
Fri 11/13
7:02 am-7:35 am
3 stops56h 33m
Melbourne Avalon
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$844
PhiladelphiaMelbourne
PHL Philadelphia - MEL Melbourne
PHLMEL
Philadelphia
Fri 11/13
8:30 am-12:15 am
3 stops47h 45m
Melbourne
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$869
PhiladelphiaMelbourne
PHL Philadelphia - MEL Melbourne
PHLMEL
Philadelphia
Fri 11/13
9:15 am-12:30 pm
2 stops35h 15m
Melbourne
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$904
PhiladelphiaCairns
PHL Philadelphia - CNS Cairns
PHLCNS
Philadelphia
Sun 1/31
10:41 am-3:15 pm
3 stops37h 34m
Cairns
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$946
PhiladelphiaMelbourne
PHL Philadelphia - MEL Melbourne
PHLMEL
Philadelphia
Mon 11/30
6:30 pm-7:10 am
2 stops44h 40m
Melbourne
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$950
PhiladelphiaMelbourne
PHL Philadelphia - MEL Melbourne
PHLMEL
Philadelphia
Fri 11/13
8:45 pm-11:20 pm
1 stop34h 35m
Melbourne
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$956
PhiladelphiaCairns
PHL Philadelphia - CNS Cairns
PHLCNS
Philadelphia
Thu 11/12
10:40 am-4:50 pm
3 stops39h 10m
Cairns
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$986
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-SYD
PHL-BNE
PHL-ADL
PHL-MEL
PHL-AVV
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-ADL
PHL-MEL
What is the cheapest month to book a flight from Philadelphia to Australia?
Currently, February is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $1,130). Flying from Philadelphia to Australia in October is currently the most expensive (average of $1,850). 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.
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 34 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 September 17, 2026.
See what other customers who have flown with Qantas Airways,United Airlines, andAmerican Airlines from Philadelphia to Australia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Entertainment
7.2
Overall
7.5
Comfort
7.4
Food
7.0
Boarding
7.7
Reviews
1 / 20
4.0
OkayRobyn,Aug 2026
LAX - SYD
Crew
8.1
Entertainment
7.2
Overall
7.5
Comfort
7.4
Food
7.0
Boarding
7.7
Reviews
1 / 20
4.0
OkayRobyn,Aug 2026
LAX - SYD
Crew
8.1
Entertainment
7.2
Overall
7.5
Comfort
7.4
Food
7.0
Boarding
7.7
Reviews
1 / 20
4.0
OkayRobyn,Aug 2026
LAX - SYD
Crew
8.1
Entertainment
7.2
Overall
7.5
Comfort
7.4
Food
7.0
Boarding
7.7
Reviews
1 / 20
4.0
OkayRobyn,Aug 2026
LAX - SYD
Crew
8.1
Entertainment
7.2
Overall
7.5
Comfort
7.4
Food
7.0
Boarding
7.7
Reviews
1 / 20
4.0
OkayRobyn,Aug 2026
LAX - SYD
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 September 17, 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 4 airlines flying from Philadelphia to Australia
Discover the top 4 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 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$843 | Average$1,680 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$945 | Average$1,483 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,159 | Average$1,634 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,181 | Average$1,398 | FlexibilityNo cancel fee | On-time67% |