PHL - SYD

$766 Find Cheap Flights from Philadelphia to Sydney - Compare and Save

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Everything you should know

Cheapest round-trip
$1,268
Typical prices: $1,300-$1,749
Qatar Airways
Sat 2/17Sat 2/24
PHL - SYD • 1 stop
Cheapest one-way
$766
Typical prices: $735-$1,293
Multiple Airlines
Sun 12/30
PHL - SYD • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Philadelphia and Sydney. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
16 weeks
in advance
Our data shows that travelers who book at least 16 weeks in advance save around 41% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 23% price drop
December
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Doha Hamad Intl (DOH)
Cheapest • Avg $1,245 (round-trip)
Dallas/Fort Worth (DFW)
Shortest trip • 22h 04m (one-way)
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Insights
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Flight Deals
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Flight Deals

Cheap Flights from Philadelphia to Sydney (PHL-SYD)

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

Recent round-trip flight deals from Philadelphia to Sydney

Wed, Feb 17 - Wed, Feb 24
Qatar Airways Logo
8:45 pm - 6:20 pmPHL  Philadelphia-SYD Sydney Kingsford Smith
29h 35m1 stop Doha Hamad Intl
Qatar Airways Logo
3:50 pm - 2:50 pmSYD  Sydney Kingsford Smith-PHL Philadelphia
39h 00m1 stop Doha Hamad Intl
$1,268Qatar Airways
Wed, Feb 17 - Wed, Feb 24
Multiple Airlines Logo
8:45 pm - 6:20 pmPHL  Philadelphia-SYD Sydney Kingsford Smith
29h 35m1 stop Doha Hamad Intl
Multiple Airlines Logo
10:10 pm - 2:50 pmSYD  Sydney Kingsford Smith-PHL Philadelphia
32h 40m1 stop Doha Hamad Intl
$1,274Multiple Airlines
Wed, Mar 10 - Wed, Mar 24
Qantas Airways Logo
4:05 pm - 6:25 amPHL  Philadelphia-SYD Sydney Kingsford Smith
22h 20m1 stop San Francisco
Qantas Airways Logo
11:05 am - 8:29 pmSYD  Sydney Kingsford Smith-PHL Philadelphia
24h 24m2 stops Brisbane Los Angeles
$1,316Qantas Airways
Wed, Mar 10 - Wed, Mar 24
Qantas Airways Logo
4:05 pm - 6:25 amPHL  Philadelphia-SYD Sydney Kingsford Smith
22h 20m1 stop San Francisco
Qantas Airways Logo
11:05 am - 8:29 pmSYD  Sydney Kingsford Smith-PHL Philadelphia
24h 24m2 stops Brisbane Los Angeles
$1,317Qantas Airways
Tue, Jan 26 - Tue, Feb 9
Air New Zealand Logo
12:43 pm - 10:35 amPHL  Philadelphia-SYD Sydney Kingsford Smith
29h 52m2 stops Houston George Bush Intcntl Auckland Intl
Air New Zealand Logo
11:50 am - 10:59 pmSYD  Sydney Kingsford Smith-PHL Philadelphia
27h 09m2 stops Auckland Intl Houston George Bush Intcntl
$1,345Air New Zealand
Wed, Jan 27 - Tue, Feb 9
Air New Zealand Logo
9:00 am - 10:35 amPHL  Philadelphia-SYD Sydney Kingsford Smith
33h 35m2 stops San Francisco Auckland Intl
Air New Zealand Logo
11:50 am - 10:59 pmSYD  Sydney Kingsford Smith-PHL Philadelphia
27h 09m2 stops Auckland Intl Houston George Bush Intcntl
$1,393Air New Zealand
Mon, Nov 16 - Tue, Dec 1
United Airlines Logo
1:16 pm - 9:05 amPHL  Philadelphia-SYD Sydney Kingsford Smith
27h 49m3 stops Chicago O'Hare Intl Denver Intl Los Angeles
United Airlines Logo
11:20 am - 9:39 pmSYD  Sydney Kingsford Smith-PHL Philadelphia
26h 19m2 stops Los Angeles Chicago O'Hare Intl
$1,493United Airlines
Mon, Nov 16 - Tue, Dec 1
United Airlines Logo
6:21 pm - 9:20 amPHL  Philadelphia-SYD Sydney Kingsford Smith
22h 59m1 stop San Francisco
United Airlines Logo
11:20 am - 9:39 pmSYD  Sydney Kingsford Smith-PHL Philadelphia
26h 19m2 stops Los Angeles Chicago O'Hare Intl
$1,493United Airlines
Tue, Dec 29 - Tue, May 25
American Airlines Logo
3:56 pm - 6:35 amPHL  Philadelphia-SYD Sydney Kingsford Smith
22h 39m1 stop Las Vegas Harry Reid Intl
American Airlines Logo
10:20 am - 6:54 pmSYD  Sydney Kingsford Smith-PHL Philadelphia
22h 34m1 stop Los Angeles
$1,495American Airlines
Wed, Feb 17 - Wed, Feb 24
American Airlines Logo
4:36 pm - 9:00 amPHL  Philadelphia-SYD Sydney Kingsford Smith
24h 24m2 stops Columbus Los Angeles
American Airlines Logo
2:05 pm - 8:59 pmSYD  Sydney Kingsford Smith-PHL Philadelphia
22h 54m2 stops Dallas/Fort Worth Charlotte Douglas
$1,499American Airlines
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 with more confidence.

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

Round-trip flights from Philadelphia to Sydney typically range from $1,300 to $1,749. The lowest price found in the past 5 days was $1,268, on Qatar Airways.

What's the cheapest day of the week to fly from Philadelphia to Sydney?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Philadelphia to Sydney. It’s 5% cheaper than the average day, while Monday is the most expensive, with prices 7% higher.

What’s the cheapest month to fly from Philadelphia to Sydney?

•February is the cheapest month to fly from Philadelphia to Sydney at $1,121 round-trip.
•April ($2,081) and December ($1,585) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 85% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Philadelphia to Sydney the cheapest?

Flights from Philadelphia to Sydney are cheapest 16 weeks before departure. Booking in this window typically costs about 41% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Philadelphia to Sydney flights

Low season

September

Cheapest flight

$766
Beat the crowds with an average 51% drop in travelers.
The most popular month to fly with an average 99% increase in travelers.
One-way 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

Your Philadelphia to Sydney flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

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

    Three cabin classes are available on flights from Philadelphia to Sydney:

    • Economy Class
    • Premium Economy Class
    • Business Class

  • How long is a flight from Philadelphia to Sydney?

    A nonstop flight from Philadelphia to Sydney takes 00m, covering 9,862 miles.

  • 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.

  • How much should I expect to pay for a Philadelphia to Sydney flight?

    Round-trip flights from Philadelphia to Sydney range from $1,300 to $1,749, with an average of $1,459 over the past 12 months. Anything below $1,300 counts as a good deal.

  • How expensive are last-minute Philadelphia to Sydney flights?

    Last-minute fares on this route (booked within two weeks of departure) run 43% above the $1,459 route average. Book 16 weeks before departure for the lowest fares.

  • 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 showed a wide range, from about $1,268 to $11,210. That means the highest observed fare was about 9x higher than the lowest one.

  • How are flight prices from Philadelphia to Sydney looking right now?

    One-way fares from Philadelphia to Sydney are currently higher than usual. Average one-way flight prices are about $1,175, which is 18% above the typical average for this route.

  • What car rental options are available at Sydney Kingsford Smith Airport (SYD)?

    Sydney Kingsford Smith Airport (SYD) hosts 5 major car rental companies, with daily rates averaging $40 for economy cars. Top options include:

    • East Coast Car Rentals
    • YESDRIVE CAR RENTAL
    • Bargain Car Rentals
    • No Birds
    • EverythingFleet

  • 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 Kingsford Smith (SYD).

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

    One-stop flights from Philadelphia to Sydney most commonly connect through:

    • Los Angeles (LAX) - 61% of one-stop connections
    • San Francisco (SFO) - 18% of one-stop connections
    • Dallas/Fort Worth (DFW) - 17% of one-stop connections
    • Toronto Pearson Intl (YYZ) - 2% of one-stop connections

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

    Yes. Flexible dates can save you up to 11% on flights from Philadelphia to Sydney. Tuesday is the cheapest departure day at $1,398 round-trip on average, while Monday is the most expensive at $1,563, a difference of $165.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Philadelphia to Sydney?

    Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 22h 04m, compared with 22h 06m via San Francisco (SFO) and 23h 45m via Los Angeles (LAX).

  • What is the time difference between Philadelphia and Sydney?

    Sydney is 16 hours ahead of Philadelphia (Eastern Australia Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Sydney?

    Some of the most popular sights in Sydney are Sydney Opera House, Chinatown Night Market and The Rocks Markets. These are among the most viewed places in Sydney on KAYAK.

  • 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.

Your guide to booking Philadelphia to Sydney flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Monday. On this route, Tuesday flights average $1,398, about $165 less than Monday fares (11% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 16 weeks before you fly. On this route, that window historically saves about 41% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Philadelphia to Sydney trip for February. Fares historically average $1,121 round-trip in that month - typically $960 less than the most expensive month, which is April (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Sydney Kingsford Smith Airport.

    • ibis budget Sydney Airport
    • Travelodge Hotel Sydney Airport
    • Rydges Sydney Airport Hotel
  • 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.

More options for your flight from Philadelphia to Sydney

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

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