$766+ 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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
Dec 3 — Dec 101
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Philadelphia to Australia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Philadelphia to Australia
Cheapest
Best
Last-minute
One-way
Cheapest flights from Philadelphia to AustraliaExplore the most affordable flight options available from Philadelphia to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 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 November 3, 2026.
This FlightHub deal was found by Cheapflights users on 11/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/23:55 pm -
1 stop22h 55m
Wed 12/99:40 am -
1 stop24h 20m
Deal found 11/2![Qantas Airways logo]()
$1,287
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Mon 11/306:21 pm -
1 stop22h 09m
Wed 12/1611:20 am -
2 stops37h 36m
Deal found 11/3![United Airlines logo]()
$1,293
This American Airlines deal was found by Cheapflights users on 11/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:52 pm -
2 stops24h 58m
Wed 12/99:40 am -
2 stops23h 15m
Deal found 11/2![American Airlines logo]()
$1,296
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/99:45 am -
2 stops30h 45m
Wed 12/2311:20 am -
1 stop20h 46m
Deal found 11/2![United Airlines logo]()
$1,297
This Delta deal was found by Cheapflights users on 11/2. 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.
Mon 11/1612:09 pm -
2 stops29h 21m
Wed 12/210:40 am -
2 stops22h 46m
Deal found 11/2![Delta logo]()
$1,298
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:21 pm -
1 stop22h 09m
Tue 12/1511:20 am -
2 stops22h 42m
Deal found 11/2![United Airlines logo]()
$1,301
This Qantas Airways deal was found by Cheapflights users on 10/30. 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.
Mon 12/143:55 pm -
2 stops26h 25m
Mon 12/212:05 pm -
1 stop23h 08m
Deal found 10/30![Qantas Airways logo]()
$1,307
This Delta deal was found by Cheapflights users on 11/2. 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 11/175:17 pm -
2 stops48h 13m
Wed 12/210:40 am -
2 stops25h 48m
Deal found 11/2![Delta logo]()
$1,316
This Qantas Airways deal was found by Cheapflights users on 11/2. 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.
Wed 12/21:50 pm -
1 stop25h 00m
Wed 12/167:40 am -
2 stops26h 20m
Deal found 11/2![Multiple Airlines logo]()
$1,317
This Qantas Airways deal was found by Cheapflights users on 11/2. 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.
Wed 12/22:46 pm -
1 stop24h 09m
Wed 12/1610:25 am -
2 stops26h 10m
Deal found 11/2![Qantas Airways logo]()
$1,317
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Wed 11/189:10 am -
1 stop31h 20m
Mon 11/307:35 am -
2 stops47h 55m
Deal found 11/3![United Airlines logo]()
$1,320
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Wed 11/181:16 pm -
3 stops27h 14m
Tue 12/15:05 am -
2 stops26h 25m
Deal found 11/3![United Airlines logo]()
$1,325
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 November 3, 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 November 3, 2026.
This Qantas Airways deal was found by Cheapflights users on 10/30. 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.
Mon 12/143:55 pm -
2 stops26h 25m
Mon 12/212:05 pm -
1 stop23h 08m
Deal found 10/30![Qantas Airways logo]()
$1,307
This United deal was found by Cheapflights users on 11/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/184:38 pm -
1 stop23h 52m
Tue 12/15:05 am -
2 stops32h 51m
Deal found 11/3![Multiple Airlines logo]()
$1,320
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/29:45 am -
2 stops30h 45m
Wed 12/96:05 am -
3 stops45h 08m
Deal found 11/2![United Airlines logo]()
$1,335
This oojo deal was found by Cheapflights users on 11/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/208:45 pm -
1 stop28h 50m
Wed 2/1010:00 pm -
1 stop32h 20m
Deal found 11/3![Qatar Airways logo]()
$1,443
This Delta deal was found by Cheapflights users on 11/1. 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.
Thu 3/255:30 am -
2 stops34h 50m
Thu 4/89:15 am -
2 stops34h 26m
Deal found 11/1![Delta logo]()
$1,603
This Cathay Pacific deal was found by Cheapflights users on 11/2. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2210:41 am -
2 stops31h 14m
Thu 2/2512:25 am -
2 stops31h 19m
Deal found 11/2![Cathay Pacific logo]()
$1,793
This Qantas Airways deal was found by Cheapflights users on 11/3. 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.
Wed 2/174:05 pm -
1 stop22h 20m
Wed 2/247:20 am -
2 stops26h 29m
Deal found 11/3![Qantas Airways logo]()
$1,320
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Wed 12/99:45 am -
2 stops30h 45m
Sun 12/207:35 am -
2 stops54h 24m
Deal found 11/3![United Airlines logo]()
$1,380
This KAYAK deal was found by Cheapflights users on 11/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/208:00 pm -
2 stops44h 55m
Sat 1/97:10 pm -
2 stops43h 49m
Deal found 11/3![Air New Zealand logo]()
$3,003
This British Airways deal was found by Cheapflights users on 10/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/183:47 pm -
3 stops46h 53m
Mon 2/154:35 pm -
2 stops37h 15m
Deal found 10/30![British Airways logo]()
$3,068
This United deal was found by Cheapflights users on 11/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/191:16 pm -
3 stops51h 14m
Tue 12/15:05 am -
2 stops32h 51m
Deal found 11/3![Multiple Airlines logo]()
$1,536
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/186:14 pm -
1 stop22h 16m
Mon 2/811:20 am -
1 stop20h 48m
Deal found 10/30![United Airlines logo]()
$1,412
This Qatar Airways deal was found by Cheapflights users on 10/29. 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.
Sun 2/288:45 pm -
2 stops46h 45m
Thu 3/45:50 pm -
2 stops36h 30m
Deal found 10/29![Qatar Airways logo]()
$1,562
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/129:45 am -
3 stops56h 35m
Sat 1/2311:20 am -
1 stop20h 48m
Deal found 11/1![United Airlines logo]()
$1,419
This Qatar Airways deal was found by Cheapflights users on 10/30. 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.
Mon 2/228:45 pm -
1 stop33h 00m
Fri 2/2610:45 pm -
1 stop29h 05m
Deal found 10/30![Qatar Airways logo]()
$1,575
This Air New Zealand deal was found by Cheapflights users on 10/29. 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 Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2310:05 am -
3 stops31h 30m
Sat 4/311:55 am -
3 stops39h 30m
Deal found 10/29![Multiple Airlines logo]()
$1,665
This Qatar Airways deal was found by Cheapflights users on 11/2. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/308:45 pm -
2 stops32h 25m
Tue 2/96:20 am -
2 stops48h 30m
Deal found 11/2![Qatar Airways logo]()
$1,584
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/156:24 am -
2 stops34h 06m
Wed 1/2011:20 am -
1 stop21h 13m
Deal found 10/30![United Airlines logo]()
$1,461
This Qatar Airways deal was found by Cheapflights users on 11/2. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/308:45 pm -
2 stops32h 25m
Mon 2/86:20 am -
2 stops48h 30m
Deal found 11/2![Qatar Airways logo]()
$1,584
This Ovago deal was found by Cheapflights users on 11/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/164:06 pm -
2 stops28h 19m
Wed 12/231:05 pm -
2 stops41h 49m
Deal found 11/1![Qantas Airways logo]()
$1,929
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/187:46 am -
2 stops32h 44m
Mon 2/1511:20 am -
1 stop20h 52m
Deal found 10/30![United Airlines logo]()
$1,461
This Qantas Airways deal was found by Cheapflights users on 11/2. 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.
Tue 2/212:57 pm -
3 stops29h 48m
Tue 2/166:00 am -
2 stops27h 09m
Deal found 11/2![Multiple Airlines logo]()
$1,770
This Qatar Airways deal was found by Cheapflights users on 11/2. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/278:45 pm -
2 stops45h 10m
Sat 2/131:00 pm -
2 stops41h 50m
Deal found 11/2![Qatar Airways logo]()
$1,595
This Qantas Airways deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/283:36 pm -
1 stop25h 24m
Wed 1/1311:05 am -
2 stops25h 31m
Deal found 10/31![Qantas Airways logo]()
$1,965
This Air New Zealand deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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.
Wed 4/149:30 am -
2 stops33h 15m
Thu 5/611:55 am -
3 stops36h 32m
Deal found 10/31![Multiple Airlines logo]()
$1,839
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Tue 3/233:30 pm -
2 stops26h 50m
Sat 4/310:30 am -
2 stops26h 02m
Deal found 11/3![United Airlines logo]()
$1,553
This Qatar Airways deal was found by Cheapflights users on 11/1. 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.
Mon 3/229:45 pm -
2 stops34h 15m
Sat 3/274:45 pm -
2 stops37h 15m
Deal found 11/1![Qatar Airways logo]()
$1,665
This Qantas Airways deal was found by Cheapflights users on 11/2. 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.
Mon 11/234:00 pm -
2 stops51h 15m
Thu 12/173:25 pm -
2 stops40h 20m
Deal found 11/2![Qantas Airways logo]()
$2,025
This United Airlines deal was found by Cheapflights users on 11/3. 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 2/79:55 am -
2 stops32h 35m
Sat 2/1311:10 am -
2 stops46h 02m
Deal found 11/3![United Airlines logo]()
$1,569
This Alaska Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/67:00 am -
2 stops44h 45m
Fri 12/119:40 pm -
2 stops24h 00m
Deal found 10/31![Multiple Airlines logo]()
$1,968
Last-minute flights from Philadelphia to AustraliaDiscover last-minute flight deals from Philadelphia to Australia. Data last updated November 3, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Australia. Data last updated November 3, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 11/2. 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.
Mon 11/1612:09 pm -
2 stops29h 21m
Wed 12/210:40 am -
2 stops22h 46m
Deal found 11/2![Delta logo]()
$1,298
This Delta deal was found by Cheapflights users on 11/2. 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 11/175:17 pm -
2 stops48h 13m
Wed 12/210:40 am -
2 stops25h 48m
Deal found 11/2![Delta logo]()
$1,316
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Wed 11/189:10 am -
1 stop31h 20m
Mon 11/307:35 am -
2 stops47h 55m
Deal found 11/3![United Airlines logo]()
$1,320
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Wed 11/181:16 pm -
3 stops27h 14m
Tue 12/15:05 am -
2 stops26h 25m
Deal found 11/3![United Airlines logo]()
$1,325
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Mon 11/306:21 pm -
1 stop22h 09m
Wed 12/1611:20 am -
2 stops37h 36m
Deal found 11/3![United Airlines logo]()
$1,293
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:21 pm -
1 stop22h 09m
Tue 12/1511:20 am -
2 stops22h 42m
Deal found 11/2![United Airlines logo]()
$1,301
This FlightHub deal was found by Cheapflights users on 11/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/23:55 pm -
1 stop22h 55m
Wed 12/99:40 am -
1 stop24h 20m
Deal found 11/2![Qantas Airways logo]()
$1,287
This American Airlines deal was found by Cheapflights users on 11/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:52 pm -
2 stops24h 58m
Wed 12/99:40 am -
2 stops23h 15m
Deal found 11/2![American Airlines logo]()
$1,296
This Qantas Airways deal was found by Cheapflights users on 11/2. 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.
Wed 12/21:50 pm -
1 stop25h 00m
Wed 12/167:40 am -
2 stops26h 20m
Deal found 11/2![Multiple Airlines logo]()
$1,317
This Qantas Airways deal was found by Cheapflights users on 11/2. 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.
Wed 12/22:46 pm -
1 stop24h 09m
Wed 12/1610:25 am -
2 stops26h 10m
Deal found 11/2![Qantas Airways logo]()
$1,317
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/99:20 am -
1 stop31h 10m
Wed 12/2311:20 am -
1 stop20h 46m
Deal found 11/2![United Airlines logo]()
$1,297
This Qantas Airways deal was found by Cheapflights users on 10/30. 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.
Mon 12/143:55 pm -
2 stops26h 25m
Mon 12/212:05 pm -
1 stop23h 08m
Deal found 10/30![Qantas Airways logo]()
$1,307
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 November 3, 2026.
Search for one-way flight options from Philadelphia to Australia. Find affordable one-way fares based on user searches. Data last updated November 3, 2026.
This Mytrip deal was found by Cheapflights users on 11/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/307:10 am -
2 stops31h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$766
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Wed 1/276:14 pm -
3 stops56h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$783
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/106:00 am -
2 stops32h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Multiple Airlines logo]()
$785
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/118:30 am -
3 stops43h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Multiple Airlines logo]()
$791
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/147:02 am -
3 stops47h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Multiple Airlines logo]()
$796
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/126:00 am -
2 stops32h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Multiple Airlines logo]()
$815
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/257:10 am -
2 stops31h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$820
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/168:30 am -
3 stops43h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Multiple Airlines logo]()
$822
This Trip.com deal was found by Cheapflights users on 10/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:30 am -
3 stops58h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$833
This Cathay Pacific deal was found by Cheapflights users on 11/3. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/187:20 am -
2 stops35h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$838
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/158:30 am -
3 stops43h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Multiple Airlines logo]()
$847
This Cathay Pacific deal was found by Cheapflights users on 11/2. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/810:46 am -
2 stops34h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$852
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 November 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,243 (FlightHub) |
One-way from | $766 (Mytrip) |
Popular in | April |
Cheapest in | March |
Average price | $1,463 |
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 November 3, 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
Wed 12/30
7:10 am-6:25 am
2 stops31h 15m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$766
PhiladelphiaSydney
PHL Philadelphia - SYD Sydney Kingsford Smith
PHLSYD
Philadelphia
Thu 11/12
6:00 am-6:25 am
2 stops32h 25m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$815
PhiladelphiaPerth
PHL Philadelphia - PER Perth
PHLPER
Philadelphia
Thu 3/18
7:20 am-6:55 am
2 stops35h 35m
Perth
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$838
PhiladelphiaSydney
PHL Philadelphia - SYD Sydney Kingsford Smith
PHLSYD
Philadelphia
Thu 4/8
10:46 am-11:45 am
2 stops34h 59m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$852
PhiladelphiaBrisbane
PHL Philadelphia - BNE Brisbane
PHLBNE
Philadelphia
Sun 11/15
8:30 am-5:50 am
2 stops30h 20m
Brisbane
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$854
PhiladelphiaSydney
PHL Philadelphia - SYD Sydney Kingsford Smith
PHLSYD
Philadelphia
Sun 11/15
10:15 am-6:25 am
2 stops28h 10m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$870
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
$890
PhiladelphiaSydney
PHL Philadelphia - SYD Sydney Kingsford Smith
PHLSYD
Philadelphia
Fri 11/13
10:30 am-8:50 pm
2 stops42h 20m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$912
PhiladelphiaSydney
PHL Philadelphia - SYD Sydney Kingsford Smith
PHLSYD
Philadelphia
Sun 12/13
8:40 am-7:55 pm
3 stops43h 15m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$928
PhiladelphiaBrisbane
PHL Philadelphia - BNE Brisbane
PHLBNE
Philadelphia
Sat 11/21
8:38 pm-5:50 am
2 stops42h 12m
Brisbane
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$953
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-HBA
PHL-PER
PHL-MEL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Philadelphia to Australia
PHL-AU0
PHL-BNE
PHL-SYD
PHL-HBA
PHL-PER
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 $1,261). Flying from Philadelphia to Australia in April is currently the most expensive (average of $2,032). 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 4 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 November 3, 2026.
See what other customers who have flown with Air New Zealand,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
8.0
Crew
8.5
Comfort
7.9
Entertainment
7.5
Boarding
8.2
Food
7.5
Reviews
1 / 20
10.0
ExcellentBlair,Oct 2026
WLG - AKL
Overall
8.0
Crew
8.5
Comfort
7.9
Entertainment
7.5
Boarding
8.2
Food
7.5
Reviews
1 / 20
10.0
ExcellentBlair,Oct 2026
WLG - AKL
Overall
8.0
Crew
8.5
Comfort
7.9
Entertainment
7.5
Boarding
8.2
Food
7.5
Reviews
1 / 20
10.0
ExcellentBlair,Oct 2026
WLG - AKL
Overall
8.0
Crew
8.5
Comfort
7.9
Entertainment
7.5
Boarding
8.2
Food
7.5
Reviews
1 / 20
10.0
ExcellentBlair,Oct 2026
WLG - AKL
Overall
8.0
Crew
8.5
Comfort
7.9
Entertainment
7.5
Boarding
8.2
Food
7.5
Reviews
1 / 20
10.0
ExcellentBlair,Oct 2026
WLG - AKL
Overall
8.0
Crew
8.5
Comfort
7.9
Entertainment
7.5
Boarding
8.2
Food
7.5
Reviews
1 / 20
10.0
ExcellentBlair,Oct 2026
WLG - AKL
Related info for your journey
Find useful and relevant information for your journey from Philadelphia to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Top regions
Alternative routes for Philadelphia to Australia
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Australia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Philadelphia to Australia by cabin class
Find flights from Philadelphia to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Philadelphia and Australia flights
Browse other Philadelphia and Australia flight options. Last updated on November 3, 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 5 airlines flying from Philadelphia to Australia
Discover the top 5 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 November 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$945 | Average$1,499 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,124 | Average$1,704 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,181 | Average$1,385 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$1,198 | Average$1,583 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,352 | Average$1,829 | FlexibilityNo cancel fee | On-time78% |