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$460+ Cheap flights from Sydney (SYD) to Philadelphia (PHL)

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PHL
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Sydney Kingsford Smith to Philadelphia are usually found in February or March, booked 17 days in advance, depart on a Monday or Thursday and return on a Sunday

Cheap flight deals from Sydney to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Philadelphia (PHL). 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 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$793
(Delta)

One-way from

$460
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$784
Provider with most accurate pricing for Sydney Kingsford Smith-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Philadelphia flights.
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From Sydney Kingsford Smith to Philadelphia
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One-way flight from Sydney Kingsford Smith to Philadelphia
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Highest demand for flights based on searches. 17% potential increase in price ($292 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Sydney to Philadelphia

Cheapest flights from Sydney to Philadelphia
Explore the most affordable flight options available from Sydney to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/12:15 pmSYD - PHL
2 stops24h 28mDelta
Wed 3/1210:29 amPHL - SYD
2 stops30h 16mDelta
Deal found 2/19$792
This BestPriceTravel deal was found by Cheapflights users on 2/19. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/209:25 pmSYD - PHL
1 stop25h 24mQantas Airways
Tue 3/41:45 pmPHL - SYD
1 stop27h 15mQantas Airways
Deal found 2/19$981
This Trip.com deal was found by Cheapflights users on 2/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/69:10 amSYD - PHL
2 stops34h 21mMultiple Airlines
Sun 4/136:40 amPHL - SYD
2 stops34h 25mMultiple Airlines
Deal found 2/20$1,056
This Gotogate deal was found by Cheapflights users on 2/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/411:20 amSYD - PHL
2 stops43h 30mAir Canada
Thu 3/133:30 pmPHL - SYD
3 stops50h 05mAir Canada
Deal found 2/20$1,117
This United Airlines deal was found by Cheapflights users on 2/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1912:10 pmSYD - PHL
1 stop32h 00mUnited Airlines
Wed 3/2612:41 pmPHL - SYD
2 stops29h 34mUnited Airlines
Deal found 2/18$1,160
This American Airlines deal was found by Cheapflights users on 2/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/209:25 pmSYD - PHL
2 stops35h 35mAmerican Airlines
Tue 3/410:45 amPHL - SYD
1 stop27h 50mAmerican Airlines
Deal found 2/19$1,163
This BYOjet deal was found by Cheapflights users on 2/20. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/67:20 amSYD - PHL
3 stops30h 34mAir Tahiti Nui
Sun 4/137:05 pmPHL - SYD
3 stops32h 45mAir Tahiti Nui
Deal found 2/20$2,087
This Qatar Airways deal was found by Cheapflights users on 2/18. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/269:40 pmSYD - PHL
1 stop34h 05mQatar Airways
Fri 3/148:45 pmPHL - SYD
2 stops53h 10mQatar Airways
Deal found 2/18$2,155
This Fiji Airways deal was found by Cheapflights users on 2/18. 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 Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/236:00 amSYD - PHL
2 stops33h 39mFiji Airways
Tue 3/115:13 pmPHL - SYD
2 stops28h 17mFiji Airways
Deal found 2/18$2,945

Find flights from Sydney to Philadelphia within your budget

Customize your flight search to find flights from Sydney to Philadelphia 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 20, 2025.

Fly from

Sydney

Fly to

Philadelphia

Route

Depart

Return

Price

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 3/2

11:05 am-11:20 pm

2 stops28h 15m

Philadelphia

Thu 3/13

7:05 am-6:05 am

2 stops32h 00m

$793

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 4/6

9:10 am-5:31 am

2 stops34h 21m

Philadelphia

Sun 4/13

6:40 am-7:05 am

2 stops34h 25m

$1,056

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 3/4

11:20 am-2:50 pm

2 stops43h 30m

Philadelphia

Thu 3/13

3:30 pm-8:35 am

3 stops50h 05m

$1,117

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 3/19

11:20 am-5:30 am

2 stops33h 10m

Philadelphia

Wed 3/26

3:13 pm-9:05 am

2 stops26h 52m

$1,160

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 3/2

11:15 am-7:20 am

1 stop36h 05m

Philadelphia

Wed 3/12

1:51 pm-7:25 am

1 stop26h 34m

$1,165

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 4/9

9:10 am-5:50 pm

1 stop22h 40m

Philadelphia

Wed 4/16

1:55 pm-7:05 am

1 stop27h 10m

$1,792

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 4/6

7:20 am-11:54 pm

3 stops30h 34m

Philadelphia

Sun 4/13

7:05 pm-5:50 pm

3 stops32h 45m

$2,087

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 3/5

2:00 pm-5:11 am

2 stops31h 11m

$460

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 3/25

10:05 am-8:50 pm

2 stops25h 45m

$495

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 3/5

11:15 am-7:20 am

1 stop36h 05m

$905

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 16 results
1
2
  • Most accurate provider: When it comes to deals on Sydney-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sydney-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sydney-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sydney-Philadelphia 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 Sydney-Philadelphia 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 Sydney to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Sydney 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.

Travel insights for flights from Sydney to Philadelphia

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

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

Use this chart to determine the optimal time to book a round-trip flight from Sydney to Philadelphia. Price data was last updated on February 14, 2025.

The price you pay for your flight from Sydney to Philadelphia may vary depending on when you book. For the best chance of a lower fare, look to book 17 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Sydney to Philadelphia (average of $236). Flying from Sydney to Philadelphia in March is currently the most expensive (average of $295). 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 SYD to PHL?

Find hourly flight availability from Sydney to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

When flying from Sydney to Philadelphia, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 2% versus a flight in the morning.

Rainfall in Philadelphia by month

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

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

Temperature in Philadelphia by month

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

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated February 20, 2025.
Read reviews from past customers who have flown Air Tahiti Nui, Fiji Airways and Delta from Sydney to Philadelphia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Boarding

8.7

Comfort

8.0

Food

7.8

Overall

8.7

Entertainment

7.2

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

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
8.7
Very good
61 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Boarding

8.7

Comfort

8.0

Food

7.8

Overall

8.7

Entertainment

7.2

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

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
8.0
Very good
185 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Boarding

8.7

Comfort

8.0

Food

7.8

Overall

8.7

Entertainment

7.2

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

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
8,220 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Boarding

8.7

Comfort

8.0

Food

7.8

Overall

8.7

Entertainment

7.2

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

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.

Qatar Airways
7.4
Good
3,609 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Boarding

8.7

Comfort

8.0

Food

7.8

Overall

8.7

Entertainment

7.2

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

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.

Qantas Airways
7.4
Good
814 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Boarding

8.7

Comfort

8.0

Food

7.8

Overall

8.7

Entertainment

7.2

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

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 Sydney to Philadelphia. 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 Sydney to Philadelphia round-trip?

    Cheapflights users have booked flights from Sydney to Philadelphia round-trip from $793. Other airlines that can offer you cheap pricing are Air Canada, from $1,117, and United Airlines, from $1,160. Delta is currently priced 42% below the average price you’ll pay for this route.

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

    One-way options have recently been found by users for as low as $495 on Delta. Other airlines that offer cheap prices include Qantas Airways from $905 and American Airlines from $1,006 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sydney to Philadelphia 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 Sydney to Philadelphia?

    Currently, August is the cheapest month in which you can book a flight from Sydney to Philadelphia (average of $236). Flying from Sydney to Philadelphia in March is currently the most expensive (average of $295). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
King of Prussia
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Newark
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Dewey Beach
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Malvern
Dover

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Sydney to Philadelphia

Discover the top airline that operate flights from Sydney to Philadelphia. 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 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,091Average$1,420FlexibilityNo cancel feeOn-time71%
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