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Philadelphia

$473+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PHL
abr. 20 — abr. 271
dom. 4/20
dom. 4/27
1 adult, Economy
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Cheapflights Tip: 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 abril 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,024
(Trip.com)

One-way from

$473
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$1,218
Provider with most accurate pricing for Sydney Kingsford Smith-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Philadelphia flights.
Search Deals
From Sydney Kingsford Smith to Philadelphia
Search Deals
One-way flight from Sydney Kingsford Smith to Philadelphia
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($316 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($61 potential savings vs. average RT price).
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Average for round-trip flights in April 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 abril 15, 2025.

This Trip.com deal was found by Cheapflights users on 4/14. 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.
jue. 5/291:15 pmSYD - PHL
2 stops31h 35mMultiple Airlines
jue. 6/55:35 pmPHL - SYD
2 stops28h 40mMultiple Airlines
Deal found 4/14$1,024
This Trip.com deal was found by Cheapflights users on 4/15. 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.
jue. 8/218:45 amSYD - PHL
2 stops41h 14mAir New Zealand
dom. 8/311:06 pmPHL - SYD
2 stops29h 39mAir New Zealand
Deal found 4/15$1,175
This Booking.com deal was found by Cheapflights users on 4/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/219:20 amSYD - PHL
3 stops50h 47mAir Canada
dom. 8/317:30 amPHL - SYD
2 stops57h 50mAir Canada
Deal found 4/15$1,324
This Delta deal was found by Cheapflights users on 4/14. 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.
jue. 7/109:25 amSYD - PHL
2 stops27h 38mDelta
mar. 7/293:10 pmPHL - SYD
2 stops25h 25mDelta
Deal found 4/14$1,598
This BestPriceTravel deal was found by Cheapflights users on 4/14. 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.
jue. 7/179:10 amSYD - PHL
1 stop29h 32mQantas Airways
lun. 8/43:51 pmPHL - SYD
1 stop25h 14mQantas Airways
Deal found 4/14$1,660
This United Airlines deal was found by Cheapflights users on 4/14. 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.
jue. 7/1710:20 amSYD - PHL
3 stops28h 10mUnited Airlines
mar. 8/55:11 pmPHL - SYD
2 stops23h 49mUnited Airlines
Deal found 4/14$1,833
This BestPriceTravel deal was found by Cheapflights users on 4/15. 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.
jue. 7/178:55 amSYD - PHL
3 stops28h 22mAir Tahiti Nui
mar. 8/57:00 pmPHL - SYD
3 stops30h 10mAir Tahiti Nui
Deal found 4/15$1,849
This oojo deal was found by Cheapflights users on 4/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/56:00 amSYD - PHL
2 stops31h 53mFiji Airways
mié. 5/146:00 pmPHL - SYD
2 stops27h 45mFiji Airways
Deal found 4/14$1,858
This FlightHub deal was found by Cheapflights users on 4/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/298:55 amSYD - PHL
2 stops67h 16mJapan Airlines
vie. 10/246:31 amPHL - SYD
2 stops33h 49mJapan Airlines
Deal found 4/14$5,453
This SmartFares deal was found by Cheapflights users on 4/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/97:40 amSYD - PHL
2 stops30h 14mCathay Pacific
sáb. 11/112:05 pmPHL - SYD
2 stops32h 55mCathay Pacific
Deal found 4/14$5,894
This Virgin Australia deal was found by Cheapflights users on 4/14. 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 Virgin Australia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1110:20 amSYD - PHL
1 stop21h 07mVirgin Australia
mié. 10/296:00 amPHL - SYD
1 stop36h 15mVirgin Australia
Deal found 4/14$8,932
This Qatar Airways deal was found by Cheapflights users on 4/14. 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.
mar. 9/92:50 pmSYD - PHL
1 stop32h 10mQatar Airways
mar. 11/410:30 amPHL - SYD
2 stops40h 20mQatar Airways
Deal found 4/14$11,796

Cheapflights Fare Finder

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 abril 15, 2025.
Use the filters below to find and compare flights from Sydney to Philadelphia that are best for you.

Fly from

Sydney

Fly to

Philadelphia

Route

Depart

Return

Price

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

jue. 5/29

1:15 pm-6:50 am

2 stops31h 35m

Philadelphia

jue. 6/5

5:35 pm-12:15 pm

2 stops28h 40m

$1,024

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

jue. 8/21

8:45 am-11:59 am

2 stops41h 14m

Philadelphia

dom. 8/31

1:06 pm-8:45 am

2 stops29h 39m

$1,175

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

jue. 8/21

9:20 am-10:07 pm

3 stops50h 47m

Philadelphia

dom. 8/31

7:30 am-7:20 am

2 stops57h 50m

$1,324

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

jue. 7/10

9:25 am-11:03 pm

2 stops27h 38m

Philadelphia

mar. 7/29

3:10 pm-6:35 am

2 stops25h 25m

$1,598

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

jue. 7/17

9:10 am-12:42 am

1 stop29h 32m

Philadelphia

lun. 8/4

3:51 pm-7:05 am

1 stop25h 14m

$1,660

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

jue. 7/17

10:20 am-12:30 am

3 stops28h 10m

Philadelphia

mar. 8/5

5:11 pm-7:00 am

2 stops23h 49m

$1,833

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

jue. 7/17

8:55 am-11:17 pm

3 stops28h 22m

Philadelphia

mar. 8/5

7:00 pm-3:10 pm

3 stops30h 10m

$1,849

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

lun. 5/5

6:00 am-11:53 pm

2 stops31h 53m

Philadelphia

mié. 5/14

6:00 pm-11:45 am

2 stops27h 45m

$1,858

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

jue. 5/29

8:55 am-2:11 pm

2 stops67h 16m

Philadelphia

vie. 10/24

6:31 am-7:20 am

2 stops33h 49m

$5,453

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

mar. 9/9

7:40 am-11:54 pm

2 stops30h 14m

Philadelphia

sáb. 11/1

12:05 pm-12:00 pm

2 stops32h 55m

$5,894

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 16 results
1
2

Compare providers for flights from Sydney to Philadelphia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sydney to Philadelphia in April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sydney-Philadelphia flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Sydney-Philadelphia flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

Cheapflights Insights

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

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 April 11, 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 abril 15, 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 abril 15, 2025.
Air Tahiti Nui
8.8
Very good
62 reviews

Overall

8.8

Boarding

8.7

Entertainment

7.3

Crew

9.1

Comfort

8.1

Food

7.8

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
8.8
Very good
62 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Overall

8.8

Boarding

8.7

Entertainment

7.3

Crew

9.1

Comfort

8.1

Food

7.8

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.
Japan Airlines
8.3
Very good
1,440 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Overall

8.8

Boarding

8.7

Entertainment

7.3

Crew

9.1

Comfort

8.1

Food

7.8

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
183 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Overall

8.8

Boarding

8.7

Entertainment

7.3

Crew

9.1

Comfort

8.1

Food

7.8

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
7,917 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Overall

8.8

Boarding

8.7

Entertainment

7.3

Crew

9.1

Comfort

8.1

Food

7.8

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 New Zealand
8.0
Very good
464 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Overall

8.8

Boarding

8.7

Entertainment

7.3

Crew

9.1

Comfort

8.1

Food

7.8

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 $1,175. Other airlines that can offer you cheap pricing are Air Canada, from $1,324, and Delta, from $1,598. Air New Zealand is currently priced 13% 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 $1,065 on Qatar Airways. Other airlines that offer cheap prices include Air Tahiti Nui from $1,155 and Qantas Airways from $1,163 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
Vineland
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Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Sydney to Philadelphia

Discover the top 2 airlines 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 abril 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,091Average$1,289FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$1,123Average$1,251FlexibilityNo cancel feeOn-time74%

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