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

American Airlines, at $1,986, was found to be the cheapest airline from Sydney to Philadelphia.Alternate airlines to your destination round-trip include United Airlines and Delta. Users have found that American Airlines is 7% cheaper than the other options available to this destination. Find deals

What is the cheapest day to fly from Sydney to Philadelphia?

Travellers seeking maximum savings on their Sydney to Philadelphia flight should consider departing on Thursday evenings when fares are most often at their lowest. Tuesday at midday flights should be avoided if possible as fares are typically the most expensive at this time. Find deals

What are the most popular airlines that fly from Sydney to Philadelphia?

American Airlines, Air Canada and Delta are the most popular airlines when flying from Sydney to Philadelphia.

What is the cheapest day to fly return from Sydney to Philadelphia?

Flights from Sydney to Philadelphia are generally found to be more expensive on Monday. This shouldn't discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Philadelphia.

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

Find a great deal and save up to 45% by booking at least 18 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Sydney to Philadelphia within the next two weeks, with the cheapest ticket starting at $1,237.

What is the cheapest month to fly from Sydney to Philadelphia?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, February can be a great choice for travel to Philadelphia. Flights to Philadelphia from Sydney in February are about $2,141 on average during February, but can be found for as low as $1,202.

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.

$1,171+ Flights from Sydney to Philadelphia

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 Thursday or Friday and return on a Tuesday

Cheap flight deals from Sydney to Philadelphia

Round-trip from	$1,986
One-way from	$1,171
Popular in	December
Cheapest in	February
Average price	$1,902

American Airlines
1/6-21/6
4 total stops
46h 17m total
Sydney to Philadelphia

Search Deals

9/7
2 total stops
31h 43m total
Sydney to Philadelphia

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($726 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($142 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

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 30 April 2025.

Sun 1/609:10SYD - PHL

2 stops22h 33mAmerican Airlines

Sat 21/617:21PHL - SYD

2 stops23h 44mAmerican Airlines

Deal found 29/4$1,986

Sat 11/1010:20SYD - PHL

2 stops43h 18mAir Canada

Sat 1/1115:30PHL - SYD

2 stops26h 05mAir Canada

Deal found 29/4$2,063

Sat 11/1011:20SYD - PHL

1 stop21h 08mUnited Airlines

Sun 2/1105:00PHL - SYD

1 stop35h 15mUnited Airlines

Deal found 29/4$2,122

Fri 27/609:25SYD - PHL

2 stops37h 09mDelta

Thu 17/706:00PHL - SYD

2 stops34h 35mDelta

Deal found 29/4$2,326

Tue 13/520:45SYD - PHL

2 stops47h 45mMultiple Airlines

Fri 16/507:45PHL - SYD

1 stop33h 45mMultiple Airlines

Deal found 29/4$2,462

Tue 19/810:20SYD - PHL

1 stop21h 08mVirgin Australia

Fri 16/118:16PHL - SYD

1 stop44h 04mVirgin Australia

Deal found 30/4$2,692

Tue 10/609:10SYD - PHL

1 stop24h 46mQantas Airways

Sat 28/615:49PHL - SYD

1 stop25h 16mQantas Airways

Deal found 29/4$2,834

Tue 14/1021:45SYD - PHL

1 stop50h 15mQatar Airways

Wed 29/1020:50PHL - SYD

2 stops44h 35mQatar Airways

Deal found 29/4$3,054

Sun 12/1010:10SYD - PHL

3 stops29h 33mAir Tahiti Nui

Fri 31/1018:48PHL - SYD

3 stops31h 52mAir Tahiti Nui

Deal found 29/4$3,204

Wed 10/920:25SYD - PHL

2 stops47h 35mAlaska Airlines

Wed 5/1118:35PHL - SYD

2 stops57h 10mAlaska Airlines

Deal found 29/4$8,306

Tue 9/920:55SYD - PHL

2 stops34h 26mANA

Tue 4/1110:10PHL - SYD

2 stops66h 05mANA

Deal found 29/4$8,634

Thu 11/913:15SYD - PHL

2 stops23h 27mFiji Airways

Sat 1/1118:35PHL - SYD

2 stops36h 15mFiji Airways

Deal found 29/4$8,925

Best flights from Sydney to Philadelphia
Discover carefully curated flight deals from Sydney to Philadelphia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 April 2025.

Sun 1/609:10SYD - PHL

2 stops22h 33mAmerican Airlines

Sat 21/617:21PHL - SYD

2 stops23h 44mAmerican Airlines

Deal found 29/4$1,986

Tue 10/610:20SYD - PHL

2 stops22h 25mUnited Airlines

Sat 28/608:15PHL - SYD

2 stops32h 45mUnited Airlines

Deal found 29/4$2,122

Fri 27/609:25SYD - PHL

2 stops37h 09mDelta

Thu 17/706:00PHL - SYD

2 stops34h 35mDelta

Deal found 29/4$2,326

Tue 13/520:45SYD - PHL

2 stops47h 45mMultiple Airlines

Fri 16/507:45PHL - SYD

1 stop33h 45mMultiple Airlines

Deal found 29/4$2,462

Tue 10/609:10SYD - PHL

1 stop24h 46mQantas Airways

Sat 28/615:49PHL - SYD

1 stop25h 16mQantas Airways

Deal found 29/4$2,834

Tue 6/509:20SYD - PHL

2 stops26h 46mAir Canada

Tue 13/509:45PHL - SYD

3 stops31h 35mAir Canada

Deal found 29/4$3,126

Last-minute flights from Sydney to Philadelphia
Discover last-minute flight deals from Sydney to Philadelphia. Data last updated 30 April 2025 and is based on user searches.

Tue 6/509:25SYD - PHL

2 stops22h 55mDelta

Tue 13/505:30PHL - SYD

2 stops35h 05mDelta

Deal found 29/4$2,985

Tue 6/509:20SYD - PHL

2 stops26h 46mAir Canada

Tue 13/509:45PHL - SYD

3 stops31h 35mAir Canada

Deal found 29/4$3,126

Tue 6/510:25SYD - PHL

1 stop26h 25mMultiple Airlines

Tue 13/518:47PHL - SYD

2 stops26h 58mMultiple Airlines

Deal found 29/4$3,171

Tue 6/510:25SYD - PHL

1 stop20h 25mQantas Airways

Tue 13/518:47PHL - SYD

1 stop22h 08mQantas Airways

Deal found 29/4$3,193

Tue 13/520:45SYD - PHL

2 stops47h 45mMultiple Airlines

Fri 16/507:45PHL - SYD

1 stop33h 45mMultiple Airlines

Deal found 29/4$2,462

Cheapflights Fare Finder

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

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 1/6

09:10-17:43

2 stops22h 33m

Philadelphia

Sat 21/6

17:21-07:05

2 stops23h 44m

$1,986

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 11/10

10:20-14:38

2 stops43h 18m

Philadelphia

Sat 1/11

15:30-08:35

2 stops26h 05m

$2,063

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 11/10

11:20-05:26

1 stop33h 06m

Philadelphia

Mon 3/11

06:00-09:15

1 stop35h 15m

$2,122

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 27/6

09:25-08:34

2 stops37h 09m

Philadelphia

Thu 17/7

06:00-06:35

2 stops34h 35m

$2,326

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 13/5

20:45-06:30

2 stops47h 45m

Philadelphia

Fri 16/5

07:45-07:30

1 stop33h 45m

$2,462

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 19/8

10:20-17:28

1 stop21h 08m

Philadelphia

Fri 16/1

18:16-06:20

1 stop44h 04m

$2,692

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 10/6

09:10-19:56

1 stop24h 46m

Philadelphia

Sat 28/6

15:49-07:05

1 stop25h 16m

$2,834

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 14/10

21:45-09:00

1 stop50h 15m

Philadelphia

Wed 29/10

20:50-08:25

2 stops44h 35m

$3,054

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 12/10

10:10-00:43

3 stops29h 33m

Philadelphia

Fri 31/10

18:48-17:40

3 stops31h 52m

$3,204

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 10/9

20:25-06:00

2 stops47h 35m

Philadelphia

Wed 5/11

18:35-19:45

2 stops57h 10m

$8,306

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 18 results

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?

The best time to book flights from Sydney to Philadelphia is 17 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?

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.

Rainfall in Philadelphia by month

In terms of precipitation, rainfall in Philadelphia ranges from 69.0 - 112.0 inches per month. July is typically the wettest month, when rainfall can reach 112.0 mm. February is typically the driest time to visit Philadelphia when rainfall is around 69.0 mm.

Temperature in Philadelphia 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 26.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

Reviews of airlines servicing Philadelphia

Peruse reviews from past customers who have flown with Delta, Qantas Airways and United Airlines from Sydney to Philadelphia to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very Good

7,934 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Qantas Airways

7.5

Good

829 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Canada

7.0

Good

9,244 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines flying from Sydney to Philadelphia round-trip?
American Airlines, at $1,986, was found to be the cheapest airline from Sydney to Philadelphia.Alternate airlines to your destination round-trip include United Airlines and Delta. Users have found that American Airlines is 7% 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 6 airlines flying from Sydney to Philadelphia

Airline	Cheapest	Average	Flexibility	On-time
Air New Zealand	Cheapest$1,065	Average$2,061	FlexibilityNo cancel fee	On-time78%	Search Air New Zealand flights
Delta	Cheapest$1,202	Average$1,224	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Air Canada	Cheapest$1,547	Average$1,881	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
American Airlines	Cheapest$1,629	Average$1,935	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Qantas Airways	Cheapest$1,747	Average$2,786	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights
United Airlines	Cheapest$1,893	Average$2,871	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

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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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Cheap flights from Sydney to Philadelphia from $1,171

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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.

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 Thursday or Friday and return on a Tuesday

Cheap flight deals from Sydney to Philadelphia

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Sydney to Philadelphia

Cheapest flights from Sydney to PhiladelphiaExplore 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 30 April 2025.

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 30 April 2025.

Cheapflights Fare Finder

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

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.

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 25 April 2025.

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 30 April 2025.

Rainfall in Philadelphia by month

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

Temperature in Philadelphia by month

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

Reviews of airlines servicing Philadelphia

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?

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

How can I find direct flights from Sydney to Philadelphia?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 30 April 2025.

Top 6 airlines flying from Sydney to Philadelphia

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?

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

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

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

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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 30 April 2025.