PHL - SYD

$1,031 Find Cheap Flights from Philadelphia to Sydney

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Philadelphia to Sydney departing on 28/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Sydney

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Philadelphia to Sydney, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Philadelphia to Sydney, as well as popular online travel agencies
Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest return fare
$1,332
Typical prices: $1,906-$2,561
ANA
Wed 6/5Wed 20/5
PHL - SYD • 2 stops
Cheapest one-way flight
$1,031
Typical prices: $1,388-$1,906
Multiple Airlines
Sat 28/3
PHL - SYD • 3 stops
When to book
2 weeks
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 7% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
February
Cheapest • 27% price drop
August
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Sydney!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Philadelphia to Sydney (PHL-SYD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Philadelphia to Sydney that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Philadelphia to Sydney

Wed, 6 May - Wed, 20 May
ANA Logo
13:20 - 19:15
PHL
-
SYD
39h 55m
2 stops
ANA Logo
11:50 - 14:09
SYD
-
PHL
40h 19m
2 stops
$1,332ANA
Mon, 2 Mar - Mon, 16 Mar
Qantas Airways Logo
14:16 - 20:50
PHL
-
SYD
38h 34m
2 stops
Qantas Airways Logo
11:20 - 19:42
SYD
-
PHL
23h 22m
1 stop
$1,394Qantas Airways
Mon, 2 Mar - Mon, 16 Mar
Qantas Airways Logo
14:16 - 09:10
PHL
-
SYD
50h 54m
2 stops
Qantas Airways Logo
11:20 - 19:42
SYD
-
PHL
23h 22m
1 stop
$1,395Qantas Airways
Mon, 2 Mar - Sun, 8 Mar
Qantas Airways Logo
14:16 - 09:10
PHL
-
SYD
50h 54m
2 stops
Qantas Airways Logo
21:25 - 08:08
SYD
-
PHL
25h 43m
1 stop
$1,405Qantas Airways
Fri, 6 Mar - Mon, 16 Mar
Qantas Airways Logo
14:16 - 07:25
PHL
-
SYD
25h 09m
1 stop
Qantas Airways Logo
11:20 - 19:42
SYD
-
PHL
23h 22m
1 stop
$1,431Qantas Airways
Wed, 25 Feb - Wed, 4 Mar
Qantas Airways Logo
14:16 - 09:00
PHL
-
SYD
26h 44m
1 stop
Qantas Airways Logo
11:20 - 19:48
SYD
-
PHL
24h 28m
1 stop
$1,496Qantas Airways
Mon, 23 Feb - Tue, 3 Mar
Qantas Airways Logo
14:16 - 09:00
PHL
-
SYD
26h 44m
1 stop
Qantas Airways Logo
14:05 - 21:44
SYD
-
PHL
23h 39m
1 stop
$1,498Qantas Airways
Mon, 16 Feb - Tue, 24 Feb
American Airlines Logo
09:24 - 09:00
PHL
-
SYD
31h 36m
1 stop
American Airlines Logo
11:20 - 23:50
SYD
-
PHL
28h 30m
1 stop
$1,499American Airlines
Mon, 2 Mar - Sun, 8 Mar
Qantas Airways Logo
14:57 - 06:55
PHL
-
SYD
23h 58m
1 stop
Qantas Airways Logo
21:25 - 08:08
SYD
-
PHL
25h 43m
1 stop
$1,502Qantas Airways
Mon, 23 Feb - Tue, 3 Mar
American Airlines Logo
15:55 - 09:00
PHL
-
SYD
25h 05m
2 stops
American Airlines Logo
11:20 - 19:40
SYD
-
PHL
24h 20m
2 stops
$1,506American Airlines
Booking Insights

KAYAK's insights & trends for Philadelphia to Sydney flights

Get data-powered insights and trends into flights from Philadelphia to Sydney to help you find the cheapest flights, the best time to fly and much more.

How much is a return flight from Philadelphia to Sydney?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from Philadelphia to Sydney departing in May.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Philadelphia to Sydney, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Philadelphia to Sydney is February, where tickets cost $1,493 (return) on average. On the other hand, the most expensive months are December and January, where the average cost of round-trip tickets is $2,694 and $2,399 respectively.

How far in advance should I book a flight from Philadelphia to Sydney?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Philadelphia to Sydney, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Philadelphia to Sydney, you should book around 2 weeks before departure, which saves you about 7% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 18 weeks before departure.

Find deals

Good to know

Low seasonSeptember
Cheapest flight$1,031
Best time to beat the crowds (16% less expensive on average)
Most popular time to fly (3% more expensive on average)
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 return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns 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.

FAQs for booking flights from Philadelphia to Sydney

  • Can I pre-select my seat when flying Qantas Airways from Philadelphia to Sydney?

    Yes, when flying Qantas Airways from Philadelphia to Sydney, you can pre-select your seat. Qantas allows passengers to choose their seats in advance during the booking process or at a later time through their website or mobile app.

  • How does Qantas Airways support sustainable travel on flights from Philadelphia to Sydney?

    Qantas Airways supports sustainable travel on flights from Philadelphia to Sydney by implementing fuel-efficient aircraft, promoting carbon offset programs for passengers, and investing in renewable energy projects. They also prioritize waste reduction and recycling efforts to minimize their environmental impact.

  • Can I rent a car after my flight from Philadelphia to Sydney?

    Yes, you can rent a car after your flight from Philadelphia to Sydney. Several rental companies operate in Sydney, including major international brands such as Hertz, Avis, Budget, Enterprise, and Europcar. These companies offer a wide range of vehicles to choose from, ensuring you can find a car that suits your needs and preferences. Simply check with the respective rental company for availability, rates, and booking details.

  • What are the in-flight entertainment amenities available on American Airlines flights from Philadelphia to Sydney?

    American Airlines offers a range of in-flight entertainment amenities on flights from Philadelphia to Sydney. Passengers can enjoy a variety of movies, TV shows, music, and games on personal seatback screens, along with free internet connectivity for browsing and streaming content.

  • What is the cheapest flight from Philadelphia to Sydney?

    In the last 3 days, the lowest price for a flight from Philadelphia to Sydney was $1,031 for a one-way ticket and $1,332 for a return.

  • Which airports will I be using when flying from Philadelphia to Sydney?

    On your way to Sydney, you’ll fly out from Philadelphia. You’ll be landing at Sydney Kingsford Smith.

  • Which aircraft models fly most regularly from Philadelphia to Sydney?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Philadelphia to Sydney?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Philadelphia to Sydney.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Philadelphia to Sydney?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sydney from Philadelphia is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Philadelphia to Sydney?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Sydney with an airline and back to Philadelphia with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Philadelphia to Sydney?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sydney from Philadelphia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Philadelphia to Sydney

  • Upon arrival at Sydney Airport, you can use various public transportation means to reach your destination. Options include the Airport Link train, which provides a direct connection to the city center and surrounding suburbs. Additionally, buses operated by Sydney Buses and private shuttle services are available.
  • U.S. citizens traveling from Philadelphia to Sydney require a valid passport with at least six months of validity beyond the intended stay. Additionally, they must obtain an Electronic Travel Authority (ETA) or a Visitor Visa (subclass 600) prior to departure. The ETA allows for stays up to 90 days, while the Visitor Visa permits longer stays.
  • You can change your seat on Delta for flights from Philadelphia to Sydney. Delta provides various seat selection options, including the ability to choose your seat during the booking process or later through its website or mobile app. Additionally, Delta offers upgrade options such as Delta Comfort+ and Delta One for enhanced comfort and amenities during your journey. Contact Delta directly or manage your booking online to explore seat change and upgrade possibilities.
  • Delta Airlines offers a range of kid-friendly options on flights from Philadelphia to Sydney. These include in-flight entertainment with a variety of movies, TV shows, and games suitable for children, as well as kid-friendly meals and special amenities to make the journey more enjoyable for young travelers.
  • Delta Airlines has specific pet restrictions for flights from Philadelphia to Sydney. Only small dogs, cats, and household birds are allowed as cabin pets. The maximum weight for cabin pets is 20 lb. Larger dogs and other animals must be transported as cargo.

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

Information on your arrival and departure airports

Philadelphia (PHL)
Sydney (SYD)