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$874+ Cheap flights from Philadelphia (PHL) to Sydney, NS (YQY)

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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — YQY
Mar 19 — Mar 261
Thu 3/19
Thu 3/26
1 adult, Economy
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Cheap flight deals from Philadelphia to Sydney

Cheapest flights from Philadelphia to Sydney
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 February 17, 2026.

This Air Canada deal was found by Cheapflights users on 2/15. 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.
Sun 8/2310:05 am
PHL
-
YQY
1 stop5h 34m
Air Canada
Wed 8/265:20 pm
YQY
-
PHL
1 stop5h 14m
Air Canada
Deal found 2/15$874
This Air Canada deal was found by Cheapflights users on 2/15. 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.
Sun 3/13:30 pm
PHL
-
YQY
1 stop6h 53m
Air Canada
Fri 3/65:20 am
YQY
-
PHL
2 stops11h 29m
Air Canada
Deal found 2/15$883
This Air Canada deal was found by Cheapflights users on 2/14. 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.
Fri 4/33:30 pm
PHL
-
YQY
1 stop6h 54m
Air Canada
Sun 4/512:30 pm
YQY
-
PHL
1 stop11h 13m
Air Canada
Deal found 2/14$904
This Air Canada deal was found by Cheapflights users on 2/15. 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.
Sun 3/13:30 pm
PHL
-
YQY
1 stop6h 53m
Air Canada
Tue 3/35:20 am
YQY
-
PHL
1 stop10h 27m
Air Canada
Deal found 2/15$905
This Air Canada deal was found by Cheapflights users on 2/15. 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.
Sun 3/13:30 pm
PHL
-
YQY
1 stop6h 53m
Air Canada
Wed 3/45:20 am
YQY
-
PHL
2 stops18h 24m
Air Canada
Deal found 2/15$907
This Air Canada deal was found by Cheapflights users on 2/15. 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.
Sun 3/17:25 am
PHL
-
YQY
2 stops14h 58m
Air Canada
Sun 3/85:20 am
YQY
-
PHL
2 stops11h 29m
Air Canada
Deal found 2/15$916
This Air Canada deal was found by Cheapflights users on 2/15. 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.
Tue 3/312:55 pm
PHL
-
YQY
2 stops9h 28m
Air Canada
Wed 3/45:20 am
YQY
-
PHL
2 stops12h 54m
Air Canada
Deal found 2/15$922
This Air Canada deal was found by Cheapflights users on 2/15. 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.
Tue 3/312:55 pm
PHL
-
YQY
2 stops9h 28m
Air Canada
Mon 3/95:20 am
YQY
-
PHL
2 stops11h 29m
Air Canada
Deal found 2/15$931
This Air Canada deal was found by Cheapflights users on 2/15. 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.
Wed 3/47:25 am
PHL
-
YQY
2 stops14h 58m
Air Canada
Fri 3/612:15 pm
YQY
-
PHL
1 stop11h 29m
Air Canada
Deal found 2/15$937
This Air Canada deal was found by Cheapflights users on 2/15. 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.
Tue 3/33:30 pm
PHL
-
YQY
1 stop6h 53m
Air Canada
Thu 3/55:20 am
YQY
-
PHL
2 stops18h 24m
Air Canada
Deal found 2/15$952

Find 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 (YQY). 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 February 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$874
(Air Canada)
Provider with most accurate pricing for Philadelphia-Sydney flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Sydney flights.
Search Deals
From Philadelphia to Sydney
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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 February 17, 2026.
Use the filters below to find and compare flights from Philadelphia to Sydney that are best for you.

Fly from

Philadelphia

Fly to

Sydney

Route

Depart

Return

Price

PhiladelphiaSydney

PHL - YQY

PHLYQY

Philadelphia

Tue 3/3

3:30 pm-11:23 pm

1 stop6h 53m

Sydney

Fri 3/6

5:20 am-3:49 pm

2 stops11h 29m

$883

PhiladelphiaSydney

PHL - YQY

PHLYQY

Philadelphia

Tue 3/3

3:30 pm-11:23 pm

1 stop6h 53m

Sydney

Mon 3/9

5:20 am-3:49 pm

2 stops11h 29m

$883

PhiladelphiaSydney

PHL - YQY

PHLYQY

Philadelphia

Mon 3/2

3:30 pm-11:23 pm

1 stop6h 53m

Sydney

Mon 3/9

5:20 am-3:49 pm

2 stops11h 29m

$883

PhiladelphiaSydney

PHL - YQY

PHLYQY

Philadelphia

Mon 3/2

3:30 pm-11:23 pm

1 stop6h 53m

Sydney

Sun 3/8

5:20 am-3:49 pm

2 stops11h 29m

$883

PhiladelphiaSydney

PHL - YQY

PHLYQY

Philadelphia

Sun 3/1

3:30 pm-11:23 pm

1 stop6h 53m

Sydney

Fri 3/6

5:20 am-3:49 pm

2 stops11h 29m

$883

PhiladelphiaSydney

PHL - YQY

PHLYQY

Philadelphia

Fri 4/3

3:30 pm-11:24 pm

1 stop6h 54m

Sydney

Sun 4/5

5:30 am-3:44 pm

2 stops11h 14m

$883

PhiladelphiaSydney

PHL - YQY

PHLYQY

Philadelphia

Mon 3/2

3:30 pm-11:23 pm

1 stop6h 53m

Sydney

Fri 3/6

12:15 pm-10:44 pm

1 stop11h 29m

$904

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/15

  • Most accurate provider: When it comes to deals on Philadelphia-Sydney, Nova Scotia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Sydney, Nova Scotia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Sydney, Nova Scotia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Sydney, Nova Scotia 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, Nova Scotia 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.
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.

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.

  • How long is the flight from Philadelphia to Sydney, Nova Scotia?

    A quick flight from Philadelphia to Sydney, Nova Scotia can take about 6h 53m. Air Canada provides one of the quickest options available for as low as $883. The distance between Philadelphia and Sydney, Nova Scotia is about 879 mi.

  • Can I find deals for flights from Philadelphia to Sydney that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Sydney.

  • Can I find deals for business class flights from Philadelphia to Sydney?

    Yes. Cheapflights offers flight deals from Philadelphia to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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