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Cheap flights from Sydney to Philadelphia from $750

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PHL
20 Jul — 27 Jul1
1 adult

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Philadelphia are usually found in February or March, booked 59 days in advance, depart on a Thursday or Friday and return on a Tuesday

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 15 July 2025.

Round-trip from

$1,717

One-way from

$750

Popular in

December

Cheapest in

February

Average price

$2,512
Air New Zealand
  • Air New Zealand
  • 12/8-19/8
  • 4 total stops
  • 61h 15m total
  • Sydney to Philadelphia
10/9
  • 10/9
  • 2 total stops
  • 31h 02m total
  • Sydney to Philadelphia
Highest demand for flights based on searches. 15% potential increase in price ($606 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($122 potential savings vs. average return price).
Average for round-trip flights in July 2025

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 15 July 2025.

Tue 12/811:50SYD - PHL
2 stops31h 36mAir New Zealand
Tue 19/813:06PHL - SYD
2 stops29h 39mAir New Zealand
Deal found 13/7$1,717
Sun 10/809:20SYD - PHL
2 stops43h 17mAir Canada
Sun 17/815:20PHL - SYD
2 stops26h 00mAir Canada
Deal found 13/7$1,863
Tue 12/811:50SYD - PHL
2 stops31h 36mMultiple Airlines
Tue 19/808:15PHL - SYD
3 stops34h 30mMultiple Airlines
Deal found 13/7$1,867
Tue 14/1010:10SYD - PHL
1 stop21h 07mQantas Airways
Tue 4/1116:00PHL - SYD
1 stop25h 00mQantas Airways
Deal found 14/7$1,936
Mon 28/709:25SYD - PHL
2 stops25h 36mDelta
Mon 11/814:35PHL - SYD
2 stops26h 00mDelta
Deal found 15/7$1,989
Tue 14/1010:10SYD - PHL
1 stop21h 07mAmerican Airlines
Tue 4/1116:00PHL - SYD
2 stops25h 00mAmerican Airlines
Deal found 14/7$2,095
Thu 24/720:55SYD - PHL
2 stops31h 13mANA
Mon 28/706:30PHL - SYD
2 stops46h 45mANA
Deal found 13/7$2,399

Cheapflights Fare Finder

Customise 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 647,157 searches. Data last updated 15 July 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

Tue 12/8

11:50-05:26

2 stops31h 36m

Philadelphia

Tue 19/8

13:06-08:45

2 stops29h 39m

$1,717

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 10/8

09:20-14:37

2 stops43h 17m

Philadelphia

Sun 17/8

15:20-07:20

2 stops26h 00m

$1,863

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 12/8

11:50-05:26

2 stops31h 36m

Philadelphia

Tue 19/8

08:15-08:45

3 stops34h 30m

$1,867

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 14/10

10:10-16:17

1 stop21h 07m

Philadelphia

Tue 4/11

16:00-09:00

1 stop25h 00m

$1,936

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 28/7

09:25-21:01

2 stops25h 36m

Philadelphia

Mon 11/8

14:35-06:35

2 stops26h 00m

$1,989

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 14/10

10:10-16:17

1 stop21h 07m

Philadelphia

Tue 4/11

16:00-09:00

2 stops25h 00m

$2,095

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 10/9

16:20-09:22

2 stops31h 02m

$750

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 18/11

11:20-14:47

2 stops43h 27m

$1,113

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 20/7

09:25-21:01

2 stops25h 36m

$1,189

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 20/11

11:15-17:47

1 stop22h 32m

$1,192

Flights are sorted by cheapest return flights first.

Deals found on 14/7

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 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.

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 return flight from Sydney to Philadelphia. Price data was last updated on 11 July 2025.

The best time to book flights from Sydney to Philadelphia is 59 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 15 July 2025.

One of the essential ways to save on airfare from Sydney to Philadelphia is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 29% on airfare.

How much does it cost for a return flight from Sydney to Philadelphia?

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 15 July 2025.
Get a feel of what it's like to fly with ANA, Japan Airlines, andEmirates from Sydney to Philadelphia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.5

Entertainment

7.9

Crew

8.7

Overall

8.4

Comfort

8.2

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
8.4
Very Good

Boarding

8.5

Entertainment

7.9

Crew

8.7

Overall

8.4

Comfort

8.2

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Boarding

8.5

Entertainment

7.9

Crew

8.7

Overall

8.4

Comfort

8.2

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Boarding

8.5

Entertainment

7.9

Crew

8.7

Overall

8.4

Comfort

8.2

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
8.0
Very Good

Boarding

8.5

Entertainment

7.9

Crew

8.7

Overall

8.4

Comfort

8.2

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Boarding

8.5

Entertainment

7.9

Crew

8.7

Overall

8.4

Comfort

8.2

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

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?

    Air New Zealand, at $1,717, was found to be the cheapest airline from Sydney to Philadelphia.Alternate airlines to your destination round-trip include Air Canada and Delta. Users have found that Air New Zealand is 19% cheaper than the other options available to this destination.

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

    $1,149 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $1,194 and $1,264, respectively.

  • 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 holiday 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.

See more FAQs

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Fly from Sydney to Philadelphia on these airlines

Choose from the following airlines for your flight from Sydney to Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on 15 July 2025.

Top 6 airlines flying from Sydney to Philadelphia

Discover the top 6 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 647,157 searches. Data last updated 15 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air New ZealandCheapest$1,039Average$1,879FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
DeltaCheapest$1,173Average$1,195FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$1,220Average$2,787FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$1,472Average$1,807FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,729Average$2,813FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
American AirlinesCheapest$1,882Average$2,162FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Sydney to Philadelphia flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Sydney to Philadelphia for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to Philadelphia flexibly with Cheapflights today.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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