Cheap flights from Philadelphia (PHL) to Sydney (SYD) - Compare and Save
PHL — SYD
May 4 — May 111
Round-trip
1 adult, Economy
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Cheap flight deals from Philadelphia to Sydney
Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $960 (Trip.com) |
One-way from | $502 (Trip.com) |
Popular in | December |
Cheapest in | April |
Average price | $959 |
Find flight deals from Philadelphia to Sydney
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Cheapest flights from Philadelphia to SydneyExplore the most affordable flight options available from Philadelphia to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2026.
Explore the most affordable flight options available from Philadelphia to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2026.
This Trip.com deal was found by Cheapflights users on 3/30. 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.
Thu 4/163:41 pm
PHL
- SYD
3 stops54h 09m
Multiple Airlines
Tue 4/216:00 am
SYD
- PHL
3 stops44h 15m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$960
This Trip.com deal was found by Cheapflights users on 4/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:00 am
PHL
- SYD
3 stops37h 50m
Multiple Airlines
Wed 4/296:00 am
SYD
- PHL
3 stops37h 13m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$1,017
This Trip.com deal was found by Cheapflights users on 3/30. 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.
Thu 5/147:55 am
PHL
- SYD
3 stops37h 55m
Multiple Airlines
Thu 5/216:00 am
SYD
- PHL
3 stops61h 37m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$1,023
This Trip.com deal was found by Cheapflights users on 3/30. 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.
Mon 4/205:05 am
PHL
- SYD
3 stops41h 00m
Multiple Airlines
Sun 4/261:15 pm
SYD
- PHL
3 stops42h 19m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$1,136
This Trip.com deal was found by Cheapflights users on 4/3. 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.
Sun 5/312:47 pm
PHL
- SYD
3 stops33h 03m
Multiple Airlines
Sun 5/101:15 pm
SYD
- PHL
3 stops54h 22m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$1,143
This Trip.com deal was found by Cheapflights users on 4/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:00 am
PHL
- SYD
3 stops37h 50m
Multiple Airlines
Sun 4/261:15 pm
SYD
- PHL
3 stops36h 25m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$1,194
This Trip.com deal was found by Cheapflights users on 4/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:00 am
PHL
- SYD
3 stops48h 10m
Multiple Airlines
Mon 4/271:15 pm
SYD
- PHL
3 stops31h 35m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$1,240
This Trip.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:00 am
PHL
- SYD
2 stops33h 30m
Multiple Airlines
Tue 5/55:50 pm
SYD
- PHL
2 stops32h 35m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$1,286
This oojo deal was found by Cheapflights users on 4/1. 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.
Sun 11/11:00 pm
PHL
- SYD
1 stop25h 55m
Qantas Airways
Sun 11/81:00 pm
SYD
- PHL
2 stops47h 03m
Qantas Airways
Deal found 4/1![Qantas Airways logo]()
$1,303
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:45 am
PHL
- SYD
1 stop29h 25m
Qantas Airways
Sun 11/156:00 am
SYD
- PHL
2 stops24h 37m
Qantas Airways
Deal found 3/31![Qantas Airways logo]()
$1,308
This Vliegwinkel deal was found by Cheapflights users on 4/2. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/195:05 am
PHL
- SYD
2 stops36h 25m
Multiple Airlines
Sun 5/35:50 pm
SYD
- PHL
2 stops37h 44m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$1,318
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:00 pm
PHL
- SYD
2 stops26h 55m
Qantas Airways
Sun 12/139:25 pm
SYD
- PHL
1 stop26h 15m
Qantas Airways
Deal found 3/31![Qantas Airways logo]()
$1,344
Best flights from Philadelphia to SydneyDiscover carefully curated flight deals from Philadelphia to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 4, 2026.
Discover carefully curated flight deals from Philadelphia to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 4, 2026.
This Qantas Airways deal was found by Cheapflights users on 3/30. 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.
Tue 4/283:51 pm
PHL
- SYD
1 stop24h 34m
Multiple Airlines
Tue 5/59:10 am
SYD
- PHL
1 stop23h 44m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$1,451
This American Airlines deal was found by Cheapflights users on 4/3. 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 6/15:30 pm
PHL
- SYD
2 stops23h 25m
American Airlines
Wed 6/109:10 am
SYD
- PHL
2 stops23h 11m
American Airlines
Deal found 4/3![American Airlines logo]()
$1,457
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/277:23 am
PHL
- SYD
2 stops33h 27m
Delta
Fri 7/109:15 am
SYD
- PHL
2 stops27h 40m
Delta
Deal found 3/29![Delta logo]()
$1,561
This Air Canada deal was found by Cheapflights users on 3/29. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2710:05 am
PHL
- SYD
3 stops31h 15m
Air Canada
Fri 7/109:20 am
SYD
- PHL
2 stops26h 14m
Air Canada
Deal found 3/29![Air Canada logo]()
$1,640
This Qantas Airways deal was found by Cheapflights users on 4/1. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/125:35 pm
PHL
- SYD
1 stop22h 50m
Qantas Airways
Sat 6/273:15 pm
SYD
- PHL
2 stops29h 45m
Qantas Airways
Deal found 4/1![Qantas Airways logo]()
$1,707
This American Airlines deal was found by Cheapflights users on 3/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:30 pm
PHL
- SYD
2 stops23h 35m
American Airlines
Sat 4/255:50 pm
SYD
- PHL
1 stop27h 30m
American Airlines
Deal found 3/29![American Airlines logo]()
$1,557
This Qantas Airways deal was found by Cheapflights users on 4/1. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/153:29 pm
PHL
- SYD
1 stop25h 36m
Qantas Airways
Sat 6/273:45 pm
SYD
- PHL
2 stops29h 15m
Qantas Airways
Deal found 4/1![Qantas Airways logo]()
$1,709
This American Airlines deal was found by Cheapflights users on 3/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/273:29 pm
PHL
- SYD
1 stop25h 36m
American Airlines
Fri 7/1012:00 pm
SYD
- PHL
2 stops23h 10m
American Airlines
Deal found 3/29![American Airlines logo]()
$1,557
This Etihad Airways deal was found by Cheapflights users on 3/29. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:00 am
PHL
- SYD
2 stops44h 50m
Multiple Airlines
Sat 4/253:40 pm
SYD
- PHL
2 stops43h 07m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$1,713
This Delta deal was found by Cheapflights users on 4/1. 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 6/1510:40 am
PHL
- SYD
2 stops30h 10m
Delta
Fri 6/269:15 am
SYD
- PHL
2 stops34h 53m
Delta
Deal found 4/1![Delta logo]()
$1,781
This Air Canada deal was found by Cheapflights users on 4/3. 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.
Mon 6/110:05 am
PHL
- SYD
3 stops31h 15m
Air Canada
Wed 6/109:20 am
SYD
- PHL
3 stops43h 28m
Air Canada
Deal found 4/3![Air Canada logo]()
$1,798
This Air Canada deal was found by Cheapflights users on 3/29. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/184:25 pm
PHL
- SYD
2 stops48h 55m
Air Canada
Sat 4/259:20 am
SYD
- PHL
3 stops43h 26m
Air Canada
Deal found 3/29![Air Canada logo]()
$2,000
Last-minute flights from Philadelphia to SydneyDiscover last-minute flight deals from Philadelphia to Sydney. Data last updated April 4, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Sydney. Data last updated April 4, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 4/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:00 am
PHL
- SYD
3 stops48h 10m
Multiple Airlines
Mon 4/271:15 pm
SYD
- PHL
3 stops31h 35m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$1,240
This Trip.com deal was found by Cheapflights users on 3/30. 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.
Thu 4/163:41 pm
PHL
- SYD
3 stops54h 09m
Multiple Airlines
Tue 4/216:00 am
SYD
- PHL
3 stops44h 15m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$960
This Vliegwinkel deal was found by Cheapflights users on 4/2. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/195:05 am
PHL
- SYD
2 stops36h 25m
Multiple Airlines
Sun 5/35:50 pm
SYD
- PHL
2 stops37h 44m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$1,318
This oojo deal was found by Cheapflights users on 4/1. 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.
Sun 4/195:37 pm
PHL
- SYD
1 stop23h 28m
Qantas Airways
Mon 5/119:10 am
SYD
- PHL
1 stop23h 44m
Qantas Airways
Deal found 4/1![Qantas Airways logo]()
$1,409
This Trip.com deal was found by Cheapflights users on 3/30. 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.
Mon 4/205:05 am
PHL
- SYD
3 stops41h 00m
Multiple Airlines
Sun 4/261:15 pm
SYD
- PHL
3 stops42h 19m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$1,136
This Trip.com deal was found by Cheapflights users on 4/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:00 am
PHL
- SYD
3 stops37h 50m
Multiple Airlines
Wed 4/296:00 am
SYD
- PHL
3 stops37h 13m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$1,017
This Trip.com deal was found by Cheapflights users on 4/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:00 am
PHL
- SYD
3 stops37h 50m
Multiple Airlines
Sun 4/261:15 pm
SYD
- PHL
3 stops36h 25m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$1,194
This Trip.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:00 am
PHL
- SYD
2 stops33h 30m
Multiple Airlines
Tue 5/55:50 pm
SYD
- PHL
2 stops32h 35m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$1,286
This Trip.com deal was found by Cheapflights users on 4/3. 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.
Sun 5/312:47 pm
PHL
- SYD
3 stops33h 03m
Multiple Airlines
Sun 5/101:15 pm
SYD
- PHL
3 stops54h 22m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$1,143
This Trip.com deal was found by Cheapflights users on 4/3. 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.
Sun 5/312:47 pm
PHL
- SYD
2 stops28h 18m
Multiple Airlines
Sun 5/109:10 am
SYD
- PHL
2 stops36h 02m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$1,397
This Trip.com deal was found by Cheapflights users on 3/30. 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.
Thu 5/147:55 am
PHL
- SYD
3 stops37h 55m
Multiple Airlines
Thu 5/216:00 am
SYD
- PHL
3 stops61h 37m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$1,023
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:10 am
PHL
- SYD
2 stops39h 40m
Multiple Airlines
Tue 6/25:50 pm
SYD
- PHL
1 stop29h 20m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$1,391
One-way flights from Philadelphia to SydneySearch for one-way flight options from Philadelphia to Sydney. Find affordable one-way fares based on user searches. Data last updated April 4, 2026.
Search for one-way flight options from Philadelphia to Sydney. Find affordable one-way fares based on user searches. Data last updated April 4, 2026.
This Trip.com deal was found by Cheapflights users on 3/30. 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.
Mon 5/1810:11 am
PHL
- SYD
3 stops35h 54m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$502
This Kiwi.com deal was found by Cheapflights users on 3/30. 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.
Tue 5/126:10 am
PHL
- SYD
2 stops50h 00m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$506
This Kiwi.com deal was found by Cheapflights users on 3/30. 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.
Tue 5/196:10 am
PHL
- SYD
2 stops39h 40m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$515
This Kiwi.com deal was found by Cheapflights users on 3/30. 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.
Tue 5/128:35 pm
PHL
- SYD
3 stops49h 15m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$523
This Kiwi.com deal was found by Cheapflights users on 3/30. 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.
Sat 5/161:11 pm
PHL
- SYD
2 stops32h 39m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$532
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/203:41 pm
PHL
- SYD
3 stops54h 09m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$541
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 5/158:35 pm
PHL
- SYD
3 stops49h 15m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$545
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/198:36 pm
PHL
- SYD
3 stops49h 29m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$547
This Kiwi.com deal was found by Cheapflights users on 3/30. 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.
Sat 5/165:06 pm
PHL
- SYD
3 stops52h 44m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$561
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/203:41 pm
PHL
- SYD
2 stops49h 49m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$711
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/188:41 pm
PHL
- SYD
2 stops44h 49m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$718
This Trip.com deal was found by Cheapflights users on 3/30. 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.
Mon 5/1810:11 am
PHL
- SYD
2 stops30h 54m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$733
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 4, 2026.
Use the filters below to find and compare flights from Philadelphia to Sydney that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Tue 4/28
3:51 pm-6:25 am
1 stop24h 34m
Sydney Kingsford Smith
Tue 5/5
9:10 am-6:54 pm
1 stop23h 44m
$1,451
Quickest round-trip
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Mon 6/1
5:30 pm-6:55 am
2 stops23h 25m
Sydney Kingsford Smith
Wed 6/10
9:10 am-6:21 pm
2 stops23h 11m
$1,457
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Sat 4/18
5:30 pm-7:05 am
2 stops23h 35m
Sydney Kingsford Smith
Sat 4/25
5:50 pm-7:20 am
1 stop27h 30m
$1,557
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Sat 6/27
3:29 pm-7:05 am
1 stop25h 36m
Sydney Kingsford Smith
Fri 7/10
12:00 pm-9:10 pm
2 stops23h 10m
$1,557
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Sat 6/27
7:23 am-6:50 am
2 stops33h 27m
Sydney Kingsford Smith
Fri 7/10
9:15 am-10:55 pm
2 stops27h 40m
$1,561
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Sat 6/27
10:05 am-7:20 am
3 stops31h 15m
Sydney Kingsford Smith
Fri 7/10
9:20 am-9:34 pm
2 stops26h 14m
$1,640
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Fri 6/12
5:35 pm-6:25 am
1 stop22h 50m
Sydney Kingsford Smith
Sat 6/27
3:15 pm-7:00 am
2 stops29h 45m
$1,707
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Mon 6/15
3:29 pm-7:05 am
1 stop25h 36m
Sydney Kingsford Smith
Sat 6/27
3:45 pm-7:00 am
2 stops29h 15m
$1,709
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Sat 4/18
6:00 am-4:50 pm
2 stops44h 50m
Sydney Kingsford Smith
Sat 4/25
3:40 pm-8:47 pm
2 stops43h 07m
$1,713
PhiladelphiaSydney
PHL - SYD
PHLSYD
Philadelphia
Mon 6/15
10:40 am-6:50 am
2 stops30h 10m
Sydney Kingsford Smith
Fri 6/26
9:15 am-6:08 am
2 stops34h 53m
$1,781
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from Philadelphia to Sydney
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Sydney in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Philadelphia-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Sydney flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Philadelphia-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Philadelphia to Sydney
Have a flexible travel schedule? Discover the best time to fly to Sydney from Philadelphia with our price prediction graph.
PHL-SYD
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 Sydney
How far ahead should I book a flight from Philadelphia to Sydney?
Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Sydney. Price data was last updated on April 2, 2026.
To ensure you get the cheapest price possible for a flight from Philadelphia to Sydney, you should look to book at least 64 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Philadelphia to Sydney?
Currently, August is the cheapest month in which you can book a flight from Philadelphia to Sydney (average of $372). Flying from Philadelphia to Sydney in January is currently the most expensive (average of $974). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Philadelphia to Sydney?
Reviews of airlines servicing Sydney
Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated April 4, 2026.
Peruse reviews from past customers who have flown with Fiji Airways,Air New Zealand, andQantas Airways from Philadelphia to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.1
Entertainment
7.5
Boarding
8.2
Food
7.5
Crew
8.5
Comfort
8.1
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Overall
8.1
Entertainment
7.5
Boarding
8.2
Food
7.5
Crew
8.5
Comfort
8.1
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Overall
8.1
Entertainment
7.5
Boarding
8.2
Food
7.5
Crew
8.5
Comfort
8.1
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Overall
8.1
Entertainment
7.5
Boarding
8.2
Food
7.5
Crew
8.5
Comfort
8.1
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Overall
8.1
Entertainment
7.5
Boarding
8.2
Food
7.5
Crew
8.5
Comfort
8.1
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Overall
8.1
Entertainment
7.5
Boarding
8.2
Food
7.5
Crew
8.5
Comfort
8.1
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Related info for your journey
Find useful and relevant information for your journey from Philadelphia to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Sydney?
Book flights to Sydney if you plan to visit one of these locationsParramatta
Wollongong
Coogee
Manly
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Philadelphia and Sydney flights
Browse other Philadelphia and Sydney flight options. Last updated on April 4, 2026.
Other flights from Philadelphia
Browse through other flights departing from Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on April 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Sydney
Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 4, 2026.
Top 6 airlines flying from Philadelphia to Sydney
Discover the top 6 airlines that operate flights from Philadelphia to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$843 | Average$1,468 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,044 | Average$1,602 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,052 | Average$1,398 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$1,198 | Average$1,575 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,272 | Average$1,517 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,418 | Average$1,548 | FlexibilityNo cancel fee | On-time78% |