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Cheap flights from Philadelphia to Sydney from $1,027

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
24 Dec — 31 Dec1
1 adult

The best prices from Philadelphia to Sydney Kingsford Smith are usually found in March or February, booked 27 days in advance, depart on a Tuesday or Thursday and return on a Thursday

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 19 December 2024.

Round-trip from

$1,835

One-way from

$1,027

Popular in

December

Cheapest in

March

Average price

$3,286
United Airlines
  • United Airlines
  • 2/3-9/3
  • 2 total stops
  • 52h 32m total
  • Philadelphia to Sydney
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Fiji Airways
  • Fiji Airways
  • 8/2
  • 2 total stops
  • 26h 55m total
  • Philadelphia to Sydney
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High demand for flights, 7% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in December 2024
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Find 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 19 December 2024.

Tue 24/1217:15PHL - SYD
2 stops27h 15mFiji Airways
Tue 31/1214:00SYD - PHL
2 stops23h 17mFiji Airways
Deal found 18/12$3,386
Wed 25/1209:00PHL - SYD
2 stops32h 35mAir Canada
Tue 31/1211:20SYD - PHL
2 stops44h 25mAir Canada
Deal found 18/12$3,670
Wed 25/1208:28PHL - SYD
1 stop32h 47mAir New Zealand
Tue 31/1213:55SYD - PHL
2 stops33h 22mAir New Zealand
Deal found 18/12$4,097
Tue 24/1216:19PHL - SYD
1 stop24h 41mQantas Airways
Tue 31/1211:15SYD - PHL
1 stop28h 34mQantas Airways
Deal found 18/12$4,351
Wed 25/1208:28PHL - SYD
1 stop32h 47mUnited Airlines
Wed 1/111:50SYD - PHL
1 stop27h 02mUnited Airlines
Deal found 18/12$4,375
Sat 21/1219:50PHL - SYD
1 stop31h 00mQatar Airways
Sat 28/1215:30SYD - PHL
3 stops63h 55mQatar Airways
Deal found 17/12$4,436
Wed 25/1206:05PHL - SYD
3 stops35h 30mMultiple Airlines
Tue 31/1211:40SYD - PHL
3 stops39h 46mMultiple Airlines
Deal found 18/12$4,886
Fri 27/1210:41PHL - SYD
2 stops33h 19mCathay Pacific
Tue 7/115:15SYD - PHL
2 stops45h 04mCathay Pacific
Deal found 18/12$14,224
Fri 27/1211:00PHL - SYD
2 stops38h 40mLATAM Airlines
Tue 7/111:40SYD - PHL
3 stops53h 09mLATAM Airlines
Deal found 19/12$17,682
Thu 26/1206:15PHL - SYD
2 stops36h 15mANA
Sat 4/112:25SYD - PHL
2 stops45h 16mANA
Deal found 18/12$21,962

Find flights from Philadelphia to Sydney within your budget

Customise 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 647,157 searches. Data last updated 19 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 2/3

12:37-07:00

1 stop26h 23m

Sydney Kingsford Smith

Sun 9/3

11:50-21:59

1 stop26h 09m

$1,835

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sat 8/2

17:35-12:30

2 stops26h 55m

Sydney Kingsford Smith

Sat 15/2

14:30-21:09

2 stops22h 39m

$1,930

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 26/1

15:30-09:35

2 stops26h 05m

Sydney Kingsford Smith

Sun 2/2

11:20-14:50

2 stops43h 30m

$1,943

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Thu 16/1

17:35-14:20

2 stops28h 45m

Sydney Kingsford Smith

Mon 20/1

17:25-10:34

2 stops33h 09m

$2,061

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 11/3

18:25-19:45

2 stops34h 20m

Sydney Kingsford Smith

Fri 21/3

21:40-16:41

2 stops34h 01m

$2,378

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 19/3

12:45-07:35

2 stops27h 50m

Sydney Kingsford Smith

Fri 28/3

10:05-05:53

2 stops34h 48m

$2,558

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 30/4

16:30-07:05

1 stop24h 35m

Sydney Kingsford Smith

Tue 20/5

09:10-18:34

1 stop23h 24m

$2,626

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Thu 20/3

12:41-08:45

2 stops29h 04m

Sydney Kingsford Smith

Thu 27/3

12:10-05:10

1 stop32h 00m

$2,650

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 23/3

18:45-09:00

1 stop23h 15m

Sydney Kingsford Smith

Tue 1/4

10:10-17:13

1 stop22h 03m

$2,764

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sat 8/2

17:35-12:30

2 stops26h 55m

$1,027

Flights are sorted by cheapest return flights first.

Deals found on 18/12

Showing 1-10 of 19 results
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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 return 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.

Travel insights for flights from Philadelphia to Sydney

Get recent, data-driven insights about flights from Philadelphia to Sydney including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from Philadelphia to Sydney. Price data was last updated on 13 December 2024.

Booking 27 days in advance of your planned departure date is, on average, the best time to get cheap flights from Philadelphia to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Philadelphia to Sydney?

Currently, May is the cheapest month in which you can book a flight from Philadelphia to Sydney (average of $129). Flying from Philadelphia to Sydney in October is currently the most expensive (average of $171). 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.

What is the cheapest time of day to fly from PHL to SYD?

Find hourly flight availability from Philadelphia to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 December 2024.

When flying from Philadelphia to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

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 19 December 2024.
Read through reviews of airlines operating flights from Philadelphia to Sydney, such as Qantas Airways, United Airlines and Fiji Airways. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.6
Very Good
65 reviews
Check prices

Overall

8.6

Boarding

8.5

Crew

8.9

Food

7.7

Comfort

8.0

Entertainment

7.2

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Air Tahiti Nui
8.6
Very Good
65 reviews
Air Tahiti Nui
8.6
Very Good
65 reviews
Check prices

Overall

8.6

Boarding

8.5

Crew

8.9

Food

7.7

Comfort

8.0

Entertainment

7.2

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Fiji Airways
8.1
Very Good
191 reviews
Air Tahiti Nui
8.6
Very Good
65 reviews
Check prices

Overall

8.6

Boarding

8.5

Crew

8.9

Food

7.7

Comfort

8.0

Entertainment

7.2

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Alaska Airlines
8.0
Very Good
9,552 reviews
Air Tahiti Nui
8.6
Very Good
65 reviews
Check prices

Overall

8.6

Boarding

8.5

Crew

8.9

Food

7.7

Comfort

8.0

Entertainment

7.2

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Delta
8.0
Very Good
8,604 reviews
Air Tahiti Nui
8.6
Very Good
65 reviews
Check prices

Overall

8.6

Boarding

8.5

Crew

8.9

Food

7.7

Comfort

8.0

Entertainment

7.2

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Air New Zealand
8.0
Very Good
497 reviews
Air Tahiti Nui
8.6
Very Good
65 reviews
Check prices

Overall

8.6

Boarding

8.5

Crew

8.9

Food

7.7

Comfort

8.0

Entertainment

7.2

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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.

  • What are the cheapest airlines flying from Philadelphia to Sydney round-trip?

    Our cheapest airline available from Philadelphia to Sydney is United Airlines. Our recent data shows that you can find tickets from as low as $1,835 on this airline. Additional options worth looking into are Fiji Airways and Air Canada, starting at $1,930 and $1,943 round-trip. United Airlines is currently priced 25% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Philadelphia to Sydney one-way?

    To fly one-way, consider booking your trip with Fiji Airways, which is currently one of the cheapest options available, starting at $1,027. Qantas Airways flights start at $1,530 while deals on Air Canada start at $1,780 one-way.

  • 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 holiday 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.

  • What is the cheapest month to book a flight from Philadelphia to Sydney?

    Currently, May is the cheapest month in which you can book a flight from Philadelphia to Sydney (average of $129). Flying from Philadelphia to Sydney in October is currently the most expensive (average of $171). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Philadelphia to Sydney

Discover the top airline 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 647,157 searches. Data last updated 19 December 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,702Average$2,721FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Philadelphia to Sydney?

Deals for Philadelphia to Sydney flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Philadelphia to Sydney?

Cheapflights simply makes it quick and affordable to book flights from Philadelphia to Sydney by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Philadelphia to Sydney with no change fees?

Yes, we can. To see specific flights from Philadelphia to Sydney with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Philadelphia to Sydney become cheaper?

Of course! You can now track prices for flights from Philadelphia to Sydney and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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