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

Cheapflights users have booked flights from Sydney to Philadelphia round-trip from $938. Other airlines that can offer you cheap pricing are United Airlines, from $979, and American Airlines, from $1,165. Air Canada is currently priced 32% 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 $737 on American Airlines. Other airlines that offer cheap prices include Air Canada from $787 and Qatar Airways from $1,039 one-way.

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

Travelers seeking maximum savings on their Sydney to Philadelphia flight should consider departing on Friday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

What is the cheapest day to fly round-trip from Sydney to Philadelphia?

Friday flights are found to be more expensive to fly from Sydney to Philadelphia. 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?

To save up to 124% on this flight, we recommend booking at least 60 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Sydney to Philadelphia from $792 1-2 weeks out and tickets from $1,694 for flights departing within the next 72 hours.

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 $1,395 on average during February, but can be found for as low as $770.

What is the cheapest time of day to fly from SYD to PHL?

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.

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.

$604+ Flights from Sydney to Philadelphia

Q: How much does it cost to fly round-trip from Sydney to Philadelphia?

Airfare is below average for this route at the moment. Sydney to Philadelphia flights typically cost between $1,157 and $1,822 in September. The cheapest round-trip price found within the last 3 days was $938 on Air Canada (Sep 12-Sep 19).

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1. Tell us where you want to go

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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 Monday or Thursday and return on a Sunday

Cheap flight deals from Sydney to Philadelphia

Round-trip from	$938 (Booking.com)
One-way from	$604 (Kiwi.com)
Popular in	December
Cheapest in	February
Average price	$1,619

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. 15% potential increase in price ($263 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($53 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 30, 2025.

Thu 7/319:20 amSYD - PHL

2 stops43h 17mAir Canada

Wed 8/133:20 pmPHL - SYD

2 stops26h 00mAir Canada

Deal found 7/29

$836

Wed 8/2710:20 amSYD - PHL

2 stops22h 35mUnited Airlines

Wed 9/39:55 amPHL - SYD

2 stops31h 05mUnited Airlines

Deal found 7/30

$979

Fri 9/59:10 amSYD - PHL

1 stop22h 32mAmerican Airlines

Wed 9/173:40 pmPHL - SYD

1 stop25h 25mAmerican Airlines

Deal found 7/29

$1,165

Fri 9/56:15 amSYD - PHL

3 stops28h 58mMultiple Airlines

Wed 9/1712:36 pmPHL - SYD

3 stops28h 54mMultiple Airlines

Deal found 7/29

$3,578

Fri 9/58:55 amSYD - PHL

2 stops43h 52mJapan Airlines

Sun 9/219:15 pmPHL - SYD

2 stops43h 05mJapan Airlines

Deal found 7/29

$5,193

Sat 9/69:40 pmSYD - PHL

2 stops58h 17mAlaska Airlines

Mon 9/226:57 pmPHL - SYD

2 stops58h 48mAlaska Airlines

Deal found 7/29

$6,619

Fri 9/51:15 pmSYD - PHL

2 stops31h 31mFiji Airways

Sat 9/206:44 pmPHL - SYD

2 stops27h 01mFiji Airways

Deal found 7/29

$6,698

Fri 9/59:10 amSYD - PHL

1 stop22h 32mQantas Airways

Sat 9/203:40 pmPHL - SYD

1 stop25h 25mQantas Airways

Deal found 7/29

$7,192

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

Fri 9/129:20 amSYD - PHL

2 stops43h 18mAir Canada

Fri 9/199:20 amPHL - SYD

2 stops56h 00mAir Canada

Deal found 7/29

$938

Wed 8/2710:20 amSYD - PHL

2 stops22h 35mUnited Airlines

Wed 9/39:55 amPHL - SYD

2 stops31h 05mUnited Airlines

Deal found 7/30

$979

Fri 9/59:10 amSYD - PHL

1 stop22h 32mAmerican Airlines

Wed 9/173:40 pmPHL - SYD

1 stop25h 25mAmerican Airlines

Deal found 7/29

$1,165

Fri 9/56:15 amSYD - PHL

3 stops28h 58mMultiple Airlines

Wed 9/1712:36 pmPHL - SYD

3 stops28h 54mMultiple Airlines

Deal found 7/29

$3,578

Fri 9/58:55 amSYD - PHL

2 stops43h 52mJapan Airlines

Sun 9/219:15 pmPHL - SYD

2 stops43h 05mJapan Airlines

Deal found 7/29

$5,193

Sat 9/69:40 pmSYD - PHL

2 stops58h 17mAlaska Airlines

Mon 9/226:57 pmPHL - SYD

2 stops58h 48mAlaska Airlines

Deal found 7/29

$6,619

Fri 9/51:15 pmSYD - PHL

2 stops31h 31mFiji Airways

Sat 9/206:44 pmPHL - SYD

2 stops27h 01mFiji Airways

Deal found 7/29

$6,698

Fri 9/59:10 amSYD - PHL

1 stop22h 32mQantas Airways

Sat 9/203:40 pmPHL - SYD

1 stop25h 25mQantas Airways

Deal found 7/29

$7,192

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

Thu 7/319:20 amSYD - PHL

2 stops43h 17mAir Canada

Wed 8/133:20 pmPHL - SYD

2 stops26h 00mAir Canada

Deal found 7/29

$836

Wed 8/2710:20 amSYD - PHL

1 stop21h 08mUnited Airlines

Wed 9/36:33 pmPHL - SYD

1 stop22h 22mUnited Airlines

Deal found 7/30

$979

One-way flights from Sydney to Philadelphia
Search for one-way flight options from Sydney to Philadelphia. Find affordable one-way fares based on user searches. Data last updated July 30, 2025.

Sun 9/214:20 pmSYD - PHL

2 stops38h 55mMultiple Airlines

Deal found 7/29

$604

Mon 9/229:10 amSYD - PHL

2 stops26h 35mAmerican Airlines

Deal found 7/30

$737

Tue 11/1811:20 amSYD - PHL

2 stops43h 27mAir Canada

Deal found 7/30

$787

Tue 11/189:40 pmSYD - PHL

1 stop51h 20mQatar Airways

Deal found 7/30

$1,039

Sun 10/1211:20 amSYD - PHL

1 stop45h 07mUnited Airlines

Deal found 7/30

$1,952

Fly from

Fly to

Route

Depart

Return

Price

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 9/12

9:20 am-2:38 pm

2 stops43h 18m

Philadelphia

Fri 9/19

9:20 am-7:20 am

2 stops56h 00m

$938

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 8/27

10:20 am-6:55 pm

2 stops22h 35m

Philadelphia

Wed 9/3

9:55 am-7:00 am

2 stops31h 05m

$979

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 9/5

9:10 am-5:42 pm

1 stop22h 32m

Philadelphia

Wed 9/17

3:40 pm-7:05 am

1 stop25h 25m

$1,165

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 9/5

6:15 am-9:13 pm

3 stops28h 58m

Philadelphia

Wed 9/17

12:36 pm-7:30 am

3 stops28h 54m

$3,578

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 9/5

8:55 am-2:47 pm

2 stops43h 52m

Philadelphia

Sun 9/21

9:15 pm-6:20 am

2 stops43h 05m

$5,193

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 9/6

9:40 pm-5:57 pm

2 stops58h 17m

Philadelphia

Mon 9/22

6:57 pm-7:45 pm

2 stops58h 48m

$6,619

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 9/5

1:15 pm-6:46 am

2 stops31h 31m

Philadelphia

Sat 9/20

6:44 pm-11:45 am

2 stops27h 01m

$6,698

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 9/5

9:10 am-5:42 pm

1 stop22h 32m

Philadelphia

Sat 9/20

3:40 pm-7:05 am

1 stop25h 25m

$7,192

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 9/21

4:20 pm-5:15 pm

2 stops38h 55m

$604

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 9/22

9:10 am-9:45 pm

2 stops26h 35m

$737

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 13 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 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?

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 59 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.

How much does it cost to fly round-trip from Sydney to Philadelphia?

Reviews of airlines servicing Philadelphia

Read reviews from past customers who have flown Japan Airlines, Alaska Airlines, and Fiji Airways from Sydney to Philadelphia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Japan Airlines

8.3

Very good

1,536 reviews

Reviews

1 / 20

2.0

Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

Japan Airlines

8.3

Very good

1,536 reviews

Japan Airlines

8.3

Very good

1,536 reviews

Reviews

1 / 20

2.0

Mediocre

Roger,Jun 2025

ORD - PIT

Alaska Airlines

8.0

Very good

10,000 reviews

Japan Airlines

8.3

Very good

1,536 reviews

Reviews

1 / 20

2.0

Mediocre

Roger,Jun 2025

ORD - PIT

Fiji Airways

8.0

Very good

202 reviews

Japan Airlines

8.3

Very good

1,536 reviews

Reviews

1 / 20

2.0

Mediocre

Roger,Jun 2025

ORD - PIT

Qantas Airways

7.5

Good

887 reviews

Japan Airlines

8.3

Very good

1,536 reviews

Reviews

1 / 20

2.0

Mediocre

Roger,Jun 2025

ORD - PIT

Qatar Airways

7.4

Good

3,607 reviews

Japan Airlines

8.3

Very good

1,536 reviews

Reviews

1 / 20

2.0

Mediocre

Roger,Jun 2025

ORD - PIT

Related info for your journey

What are the cheapest airlines flying from Sydney to Philadelphia round-trip?
Cheapflights users have booked flights from Sydney to Philadelphia round-trip from $938. Other airlines that can offer you cheap pricing are United Airlines, from $979, and American Airlines, from $1,165. Air Canada is currently priced 32% 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 $737 on American Airlines. Other airlines that offer cheap prices include Air Canada from $787 and Qatar Airways from $1,039 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

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Top 2 airlines flying from Sydney to Philadelphia

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$1,091	Average$1,289	FlexibilityNo cancel fee	On-time71%
Qantas Airways	Cheapest$1,123	Average$1,710	FlexibilityNo cancel fee	On-time74%

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$604+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sydney to Philadelphia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 Monday or Thursday and return on a Sunday

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 July 30, 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 July 30, 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 round-trip flight from Sydney to Philadelphia. Price data was last updated on July 25, 2025.

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

How much does it cost to fly round-trip from Sydney to Philadelphia?

Reviews of airlines servicing Philadelphia

Read reviews from past customers who have flown Japan Airlines, Alaska Airlines, and Fiji Airways from Sydney to Philadelphia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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?

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

Traveling to a place near 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.

Alternative routes for Sydney to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Sydney to Philadelphia

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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 July 30, 2025.