Which airports can I use when flying from Philadelphia to Sydney?

Flights from Philadelphia to Sydney usually depart from Philadelphia (PHL) and arrive at Sydney (YQY).

What cabin classes can I book on flights from Philadelphia to Sydney?

Only Economy Class is available on flights from Philadelphia to Sydney.

Which airports do connecting flights from Philadelphia to Sydney pass through?

Most connecting flights from Philadelphia to Sydney pass through Montreal Pierre Elliott Trudeau Intl (YUL), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

Can I save money by using flexible dates for flights from Philadelphia to Sydney?

On the Philadelphia to Sydney route, being flexible with your departure day can save you up to 46%. Sunday is the cheapest day at $969 round-trip on average, while Monday is the most expensive at $1,789: a $820 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Do I need a passport to fly from Philadelphia to Sydney?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from Philadelphia to Sydney changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $874 to $1,072. That means the highest observed fare was about 22% higher than the lowest one.

What is the time difference between Philadelphia and Sydney?

Sydney is 1 hour ahead of Philadelphia (Atlantic Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

What is the cheapest airline to fly from Philadelphia to Sydney?

Air Canada ($874) offered the cheapest round-trip ticket from Philadelphia to Sydney in the last 5 days.

What is the cheapest layover airport when flying from Philadelphia to Sydney?

Flights via Montreal Pierre Elliott Trudeau Intl (YUL) offer the most affordable fares, with an average round-trip price of $973. Based on KAYAK data over the past 3 months.

When flying from Philadelphia to Sydney which airport offers the shortest layover?

Montreal Pierre Elliott Trudeau Intl (YUL) had the shortest average connection time for Philadelphia to Sydney layovers at 200 minutes over the past 3 months.

$874 CHEAP FLIGHTS from Philadelphia to Sydney (PHL - YQY)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$874

Typical prices: $969-$1,789

Air Canada

Sat 9/15Sat 9/22

PHL - YQY • 1 stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Sydney!

Flight Deals

Cheap Flights from Philadelphia to Sydney (PHL-YQY)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Philadelphia to Sydney

Mon, Oct 12 - Fri, Oct 16

10:05 am - 4:38 pmPHL Philadelphia-YQY Sydney

5h 33m1 stop Montreal Pierre Elliott Trudeau Intl

5:20 pm - 9:32 pmYQY Sydney-PHL Philadelphia

5h 12m1 stop Montreal Pierre Elliott Trudeau Intl

$841Air Canada

Mon, Oct 12 - Fri, Oct 16

3:25 pm - 12:45 amPHL Philadelphia-YQY Sydney

8h 20m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

5:20 pm - 9:32 pmYQY Sydney-PHL Philadelphia

5h 12m1 stop Montreal Pierre Elliott Trudeau Intl

$841Air Canada

Mon, Oct 12 - Fri, Oct 16

7:00 am - 4:38 pmPHL Philadelphia-YQY Sydney

8h 38m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

5:05 am - 2:47 pmYQY Sydney-PHL Philadelphia

10h 42m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$870Air Canada

Tue, Sep 15 - Tue, Sep 22

10:05 am - 4:07 pmPHL Philadelphia-YQY Sydney

5h 02m1 stop Montreal Pierre Elliott Trudeau Intl

5:10 pm - 9:32 pmYQY Sydney-PHL Philadelphia

5h 22m1 stop Montreal Pierre Elliott Trudeau Intl

$874Air Canada

Tue, Sep 15 - Tue, Sep 22

6:25 am - 4:07 pmPHL Philadelphia-YQY Sydney

8h 42m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

5:10 pm - 9:32 pmYQY Sydney-PHL Philadelphia

5h 22m1 stop Montreal Pierre Elliott Trudeau Intl

$876Air Canada

Tue, Sep 15 - Tue, Sep 22

6:25 am - 4:07 pmPHL Philadelphia-YQY Sydney

8h 42m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

5:05 am - 2:47 pmYQY Sydney-PHL Philadelphia

10h 42m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$882Air Canada

Tue, Sep 15 - Fri, Sep 18

10:05 am - 4:07 pmPHL Philadelphia-YQY Sydney

5h 02m1 stop Montreal Pierre Elliott Trudeau Intl

5:10 pm - 9:32 pmYQY Sydney-PHL Philadelphia

5h 22m1 stop Montreal Pierre Elliott Trudeau Intl

$948Air Canada

Booking Insights

Price, demand and travel trends for Philadelphia to Sydney flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Philadelphia to Sydney with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Philadelphia to Sydney?

Round-trip flights from Philadelphia to Sydney start at $874. Prices are below average for this route right now, with typical round-trip fares ranging from $969 to $1,789. The lowest price found in the past 5 days was $874 on Air Canada.

Find deals

Cheapest flight	$874

Flight from Philadelphia to Sydney

When to book flights from Philadelphia to Sydney

Are your dates flexible? Find out the best times to travel from Philadelphia to Sydney based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Philadelphia to Sydney?
Flights from Philadelphia to Sydney usually depart from Philadelphia (PHL) and arrive at Sydney (YQY).
What cabin classes can I book on flights from Philadelphia to Sydney?
Only Economy Class is available on flights from Philadelphia to Sydney.
Which airports do connecting flights from Philadelphia to Sydney pass through?
Most connecting flights from Philadelphia to Sydney pass through Montreal Pierre Elliott Trudeau Intl (YUL), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.
Can I save money by using flexible dates for flights from Philadelphia to Sydney?
On the Philadelphia to Sydney route, being flexible with your departure day can save you up to 46%. Sunday is the cheapest day at $969 round-trip on average, while Monday is the most expensive at $1,789: a $820 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
Do I need a passport to fly from Philadelphia to Sydney?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
Have flight prices from Philadelphia to Sydney changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $874 to $1,072. That means the highest observed fare was about 22% higher than the lowest one.
What is the time difference between Philadelphia and Sydney?
Sydney is 1 hour ahead of Philadelphia (Atlantic Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates can be flexible, aim for a Sunday departure instead of Monday. On this route, Sunday flights average $969 - about $820 less than Monday (46% savings) based on the last 12 months.

Everything you need to know for your flight from Philadelphia to Sydney

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on your arrival and departure airports

Philadelphia (PHL)

Sydney (YQY)

PHL - YQY

$874 Find Cheap Flights from Philadelphia to Sydney - Compare and Save

Everything you should know

Cheap Flights from Philadelphia to Sydney (PHL-YQY)

Recent round-trip flight deals from Philadelphia to Sydney

Recent one-way flight deals from Philadelphia to Sydney

Recent last minute flight deals from Philadelphia to Sydney

Price, demand and travel trends for Philadelphia to Sydney flights

How much is a round-trip flight from Philadelphia to Sydney?

What is the cheapest airline to fly from Philadelphia to Sydney?

What is the cheapest layover airport when flying from Philadelphia to Sydney?

When flying from Philadelphia to Sydney which airport offers the shortest layover?

Key details for Philadelphia to Sydney flights

Cheapest flight

When to book flights from Philadelphia to Sydney

Your Philadelphia to Sydney flight questions, answered

Your guide to booking Philadelphia to Sydney flights

Everything you need to know for your flight from Philadelphia to Sydney

Information on your arrival and departure airports

Cabin class types available on flights from Philadelphia to Sydney

Complete your trip to Sydney with a hotel stay or car rental

Find direct flights to and from Philadelphia and Sydney

Flights to other popular destinations

Flights from domestic origins to Sydney

Choose which airport to fly into in Sydney

Find deals for your return flight