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Cheap flights from Sydney to Philadelphia from $892

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PHL
11 Jun — 18 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Philadelphia

Enter your travel dates to find the best prices.

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 12 May 2026.

Mon 1/609:15
SYD
-
PHL
2 stops27h 57m
Delta
Mon 8/605:40
PHL
-
SYD
2 stops35h 10m
Delta
Deal found 8/5$1,235
Mon 11/510:20
SYD
-
PHL
1 stop25h 21m
United Airlines
Sun 24/518:23
PHL
-
SYD
1 stop22h 32m
United Airlines
Deal found 8/5$1,441
Mon 1/609:30
SYD
-
PHL
2 stops27h 27m
United Airlines
Mon 8/616:14
PHL
-
SYD
2 stops24h 46m
United Airlines
Deal found 11/5$1,443
Wed 3/610:20
SYD
-
PHL
1 stop20h 57m
Virgin Australia
Wed 17/618:23
PHL
-
SYD
1 stop22h 32m
Virgin Australia
Deal found 9/5$1,724
Mon 1/610:20
SYD
-
PHL
1 stop35h 30m
Virgin Australia
Mon 8/618:23
PHL
-
SYD
1 stop22h 32m
Virgin Australia
Deal found 8/5$1,734
Thu 12/1111:15
SYD
-
PHL
1 stop36h 09m
American Airlines
Mon 16/1109:58
PHL
-
SYD
2 stops28h 57m
American Airlines
Deal found 11/5$1,909
Thu 18/606:05
SYD
-
PHL
3 stops62h 22m
Multiple Airlines
Thu 25/606:30
PHL
-
SYD
3 stops49h 40m
Multiple Airlines
Deal found 11/5$1,920

Find 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 12 May 2026.

Round-trip from

$1,235

One-way from

$892

Popular in

September

Cheapest in

October

Average price

$2,632
Delta
  • Delta
  • 1/6-8/6
  • 4 total stops
  • 63h 07m total
  • Sydney to Philadelphia
Search Deals
United Airlines
  • United Airlines
  • 20/5
  • 1 total stop
  • 35h 40m total
  • Sydney to Philadelphia
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($31 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($96 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 12 May 2026.
Use the filters below to find and compare flights from Sydney to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 1/6

09:15-23:12

2 stops27h 57m

Philadelphia

Mon 8/6

05:40-06:50

2 stops35h 10m

$1,235

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 3/8

09:30-21:19

2 stops25h 49m

Philadelphia

Mon 24/8

13:35-06:55

2 stops27h 20m

$1,441

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 9/6

10:20-17:17

1 stop20h 57m

Philadelphia

Tue 16/6

09:25-06:55

1 stop31h 30m

$1,441
Fastest return journey

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 1/6

09:30-22:57

2 stops27h 27m

Philadelphia

Mon 8/6

16:14-07:00

2 stops24h 46m

$1,443

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 1/6

10:20-07:50

1 stop35h 30m

Philadelphia

Mon 8/6

18:23-06:55

1 stop22h 32m

$1,734

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 3/6

09:15-00:57

2 stops29h 42m

Philadelphia

Wed 17/6

15:38-06:50

2 stops25h 12m

$2,474

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 25/6

09:15-18:37

2 stops23h 22m

Philadelphia

Thu 2/7

06:10-06:50

2 stops34h 40m

$2,954
Cheapest one-way

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 20/5

09:30-12:25

2 stops40h 55m

$892

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 24/8

13:15-11:47

3 stops36h 32m

$899

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 7/9

13:15-19:20

3 stops44h 05m

$900

Flights are sorted by cheapest return flights first.

Deals found on 10/5

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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

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

Currently, October is the cheapest month in which you can book a flight from Sydney to Philadelphia (average of $1,567). Flying from Sydney to Philadelphia in September is currently the most expensive (average of $2,747). 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.

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 12 May 2026.
Get a feel of what it's like to fly with Qantas Airways,United Airlines, andAmerican Airlines 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.
Qantas Airways
7.5
Good
1,035 reviews
Check prices

Entertainment

7.2

Food

7.0

Comfort

7.4

Crew

8.1

Overall

7.5

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
Qantas Airways
7.5
Good
1,035 reviews
Qantas Airways
7.5
Good
1,035 reviews
Check prices

Entertainment

7.2

Food

7.0

Comfort

7.4

Crew

8.1

Overall

7.5

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
United Airlines
7.4
Good
9,701 reviews
Qantas Airways
7.5
Good
1,035 reviews
Check prices

Entertainment

7.2

Food

7.0

Comfort

7.4

Crew

8.1

Overall

7.5

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
American Airlines
7.1
Good
11,664 reviews
Qantas Airways
7.5
Good
1,035 reviews
Check prices

Entertainment

7.2

Food

7.0

Comfort

7.4

Crew

8.1

Overall

7.5

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
Air Canada
7.1
Good
11,022 reviews
Qantas Airways
7.5
Good
1,035 reviews
Check prices

Entertainment

7.2

Food

7.0

Comfort

7.4

Crew

8.1

Overall

7.5

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.

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.

  • How long is the flight from Sydney to Philadelphia?

    Departing from Sydney to Philadelphia will take you 25h 49m. The distance between Sydney and Philadelphia is about 15871 km. Both multi-stop and direct flights can be found to your destination and back.

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

    United Airlines, at $588, was found to be the cheapest airline from Sydney to Philadelphia.Alternate airlines to your destination round-trip include Air Canada and Qantas Airways. Users have found that United Airlines is 70% cheaper than the other options available to this destination.

  • 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.

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

    Currently, October is the cheapest month in which you can book a flight from Sydney to Philadelphia (average of $1,567). Flying from Sydney to Philadelphia in September is currently the most expensive (average of $2,747). 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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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 12 May 2026.
Qantas Airways flights from Sydney Kingsford Smith to Philadelphia
Air Canada flights from Sydney Kingsford Smith to Philadelphia

Top 4 airlines flying from Sydney to Philadelphia

Discover the top 4 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 12 May 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$588Average$1,110FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$1,284Average$1,655FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,517Average$2,545FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
American AirlinesCheapest$1,657Average$1,939FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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