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

According to our current data, Air Canada ($836), ANA ($1,190), and Fiji Airways ($1,241) offers the cheapest pricing from Philadelphia to Sydney. Air Canada is priced at 43% lower than the current average price of a flight leaving 3 months from now.

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

The cheapest airline one-way is Qantas Airways, with whom users have recently found tickets for as low as $1,304. However, be on the lookout for offers from Qatar Airways and Alaska Airlines, as they are both options that can get you from Philadelphia to Sydney for a low price.

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

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

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

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

When booking a flight from Philadelphia to Sydney, you may want to consider flying on American Airlines, Air Canada or Delta as they are the most popular for this route.

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

Travelers have found that booking a Saturday departure is the best way to save up to 20% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

To save on the cost of your flight from Philadelphia to Sydney, book at least 28 days before your planned departure. Booking around this time can save you about 61% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $879 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,500.

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

February is one of the best times of the year to fly to Sydney from Philadelphia. Prices for February average $1,484 per person but you can even find prices for as low as $833. The most expensive prices can be found in the month of December. Opting for a February flight can save you 35% on your journey compared to booking in December

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

Yes. In addition to deals on Philadelphia to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Philadelphia to Sydney?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Sydney.

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

Yes. Cheapflights offers flight deals from Philadelphia to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$667+ Flights from Philadelphia to Sydney

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Cheapflights Tip: The best prices from Philadelphia to Sydney Kingsford Smith are usually found in February or September, booked 27 days in advance, depart on a Sunday or Wednesday and return on a Monday

Cheap flight deals from Philadelphia to Sydney

Round-trip from	$836 (Air Canada)
One-way from	$667 (Kiwi.com)
Popular in	December
Cheapest in	February
Average price	$1,719

From Philadelphia to Sydney Kingsford Smith

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One-way flight from Philadelphia to Sydney Kingsford Smith

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($266 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($48 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 Philadelphia to Sydney

Cheapest flights from Philadelphia to Sydney
Explore the most affordable flight options available from Philadelphia to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Tue 11/113:30 pmPHL - SYD

2 stops26h 05mAir Canada

Tue 11/1811:20 amSYD - PHL

2 stops43h 27mAir Canada

Deal found 7/30

$836

Fri 10/3112:40 pmPHL - SYD

3 stops28h 55mMultiple Airlines

Sun 11/911:20 amSYD - PHL

3 stops43h 27mMultiple Airlines

Deal found 7/29

$920

Mon 10/206:30 amPHL - SYD

2 stops46h 45mANA

Mon 10/279:45 pmSYD - PHL

2 stops31h 21mANA

Deal found 7/28

$1,190

Tue 10/216:43 pmPHL - SYD

2 stops27h 02mFiji Airways

Tue 10/282:15 pmSYD - PHL

2 stops23h 35mFiji Airways

Deal found 7/30

$1,241

Wed 11/268:15 amPHL - SYD

2 stops34h 15mAir New Zealand

Mon 12/1511:45 amSYD - PHL

2 stops39h 51mAir New Zealand

Deal found 7/30

$1,273

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

Mon 10/203:25 pmPHL - SYD

2 stops49h 55mAir Canada

Tue 10/2810:20 amSYD - PHL

2 stops43h 27mAir Canada

Deal found 7/30

$836

Wed 8/271:06 pmPHL - SYD

2 stops28h 14mMultiple Airlines

Wed 9/39:20 amSYD - PHL

3 stops43h 18mMultiple Airlines

Deal found 7/28

$958

Mon 10/206:30 amPHL - SYD

2 stops46h 45mANA

Mon 10/279:45 pmSYD - PHL

2 stops31h 21mANA

Deal found 7/28

$1,190

Tue 10/216:43 pmPHL - SYD

2 stops27h 02mFiji Airways

Tue 10/282:15 pmSYD - PHL

2 stops23h 35mFiji Airways

Deal found 7/30

$1,241

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

Mon 8/49:20 amPHL - SYD

2 stops32h 00mAir Canada

Mon 8/119:20 amSYD - PHL

2 stops26h 47mAir Canada

Deal found 7/30

$1,638

Mon 8/43:51 pmPHL - SYD

1 stop25h 14mQantas Airways

Mon 8/1112:10 pmSYD - PHL

1 stop24h 47mQantas Airways

Deal found 7/30

$2,733

Thu 8/76:45 pmPHL - SYD

2 stops27h 30mMultiple Airlines

Thu 8/141:15 pmSYD - PHL

2 stops23h 45mMultiple Airlines

Deal found 7/30

$1,749

Thu 8/76:20 amPHL - SYD

2 stops38h 15mAir New Zealand

Thu 8/1410:20 amSYD - PHL

1 stop21h 02mAir New Zealand

Deal found 7/30

$2,015

Thu 8/76:39 pmPHL - SYD

3 stops44h 41mBritish Airways

Thu 8/142:40 pmSYD - PHL

3 stops43h 21mBritish Airways

Deal found 7/30

$4,763

Thu 8/148:25 pmPHL - SYD

1 stop30h 45mQatar Airways

Wed 9/1012:00 pmSYD - PHL

2 stops35h 05mQatar Airways

Deal found 7/30

$1,735

Tue 8/196:45 pmPHL - SYD

2 stops27h 00mFiji Airways

Tue 8/261:15 pmSYD - PHL

2 stops23h 42mFiji Airways

Deal found 7/29

$1,282

Mon 8/256:30 amPHL - SYD

2 stops38h 05mAir New Zealand

Mon 9/810:20 amSYD - PHL

1 stop21h 08mAir New Zealand

Deal found 7/28

$1,732

Wed 8/277:30 amPHL - SYD

2 stops33h 50mAir Canada

Wed 9/39:20 amSYD - PHL

2 stops38h 34mAir Canada

Deal found 7/28

$850

Wed 8/271:06 pmPHL - SYD

2 stops28h 14mMultiple Airlines

Wed 9/39:20 amSYD - PHL

3 stops43h 18mMultiple Airlines

Deal found 7/28

$958

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

Fri 8/226:58 pmPHL - SYD

2 stops53h 42mMultiple Airlines

Deal found 7/29

$667

Thu 10/165:20 pmPHL - SYD

1 stop23h 45mQantas Airways

Deal found 7/28

$1,304

Fri 8/228:25 pmPHL - SYD

1 stop30h 45mQatar Airways

Deal found 7/29

$1,313

Tue 9/166:57 pmPHL - SYD

2 stops58h 48mAlaska Airlines

Deal found 7/30

$4,452

Mon 9/153:40 pmPHL - SYD

2 stops30h 05mFiji Airways

Deal found 7/30

$5,158

Wed 9/176:33 pmPHL - SYD

1 stop22h 22mAir New Zealand

Deal found 7/30

$6,940

Sun 9/146:33 pmPHL - SYD

1 stop22h 22mUnited Airlines

Deal found 7/30

$9,310

Sat 9/209:15 pmPHL - SYD

1 stop43h 50mAmerican Airlines

Deal found 7/30

$9,698

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 10/20

3:25 pm-8:20 am

2 stops49h 55m

Sydney Kingsford Smith

Tue 10/28

10:20 am-2:47 pm

2 stops43h 27m

$836

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 8/27

1:06 pm-7:20 am

2 stops28h 14m

Sydney Kingsford Smith

Wed 9/3

9:20 am-2:38 pm

3 stops43h 18m

$958

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 10/20

6:30 am-8:15 pm

2 stops46h 45m

Sydney Kingsford Smith

Mon 10/27

9:45 pm-2:06 pm

2 stops31h 21m

$1,190

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 10/21

6:43 pm-12:45 pm

2 stops27h 02m

Sydney Kingsford Smith

Tue 10/28

2:15 pm-10:50 pm

2 stops23h 35m

$1,241

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Fri 8/22

6:58 pm-2:40 pm

2 stops53h 42m

$667

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Thu 10/16

5:20 pm-8:05 am

1 stop23h 45m

$1,304

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Fri 8/22

8:25 pm-5:10 pm

1 stop30h 45m

$1,313

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 9/16

6:57 pm-7:45 pm

2 stops58h 48m

$4,452

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 9/15

3:40 pm-11:45 am

2 stops30h 05m

$5,158

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 9/17

6:33 pm-6:55 am

1 stop22h 22m

$6,940

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 12 results

Best time to book a flight from Philadelphia to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Philadelphia 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 Philadelphia to Sydney

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

To ensure you get the cheapest price possible for a flight from Philadelphia to Sydney, you should look to book at least 27 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, February is the cheapest month in which you can book a flight from Philadelphia to Sydney (average of $1,028). Flying from Philadelphia to Sydney in December is currently the most expensive (average of $1,619). 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 PHL to SYD?

It’s typically best to fly out from Philadelphia to Sydney in the morning. Doing so could potentially save you 30% on the flight price compared to flying in the evening, which is usually more expensive.

Reviews of airlines servicing Sydney

Peruse reviews from past customers who have flown with ANA, Alaska Airlines, and Fiji Airways from Philadelphia to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

ANA

8.4

Very good

922 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MNL - NRT

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

ANA

8.4

Very good

922 reviews

ANA

8.4

Very good

922 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MNL - NRT

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

Alaska Airlines

8.0

Very good

10,000 reviews

ANA

8.4

Very good

922 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MNL - NRT

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

Fiji Airways

8.0

Very good

202 reviews

ANA

8.4

Very good

922 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MNL - NRT

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

Air New Zealand

8.0

Very good

501 reviews

ANA

8.4

Very good

922 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MNL - NRT

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

Qantas Airways

7.5

Good

887 reviews

ANA

8.4

Very good

922 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 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

What are the cheapest airlines flying from Philadelphia to Sydney round-trip?
According to our current data, Air Canada ($836), ANA ($1,190), and Fiji Airways ($1,241) offers the cheapest pricing from Philadelphia to Sydney. Air Canada is priced at 43% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Philadelphia to Sydney one-way?
The cheapest airline one-way is Qantas Airways, with whom users have recently found tickets for as low as $1,304. However, be on the lookout for offers from Qatar Airways and Alaska Airlines, as they are both options that can get you from Philadelphia to Sydney for a low price.
Can I find deals for flights from Philadelphia to Sydney that include hotel bookings?
Yes. In addition to deals on Philadelphia to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Philadelphia to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Sydney.
Can I find deals for business class flights from Philadelphia to Sydney?
Yes. Cheapflights offers flight deals from Philadelphia to Sydney 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 Philadelphia to Sydney?
Currently, February is the cheapest month in which you can book a flight from Philadelphia to Sydney (average of $1,028). Flying from Philadelphia to Sydney in December is currently the most expensive (average of $1,619). 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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Other flights to Sydney

Top 7 airlines flying from Philadelphia to Sydney

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$833	Average$880	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$860	Average$928	FlexibilityNo cancel fee	On-time69%
Air Canada	Cheapest$945	Average$1,246	FlexibilityNo cancel fee	On-time67%
Air New Zealand	Cheapest$1,220	Average$1,699	FlexibilityNo cancel fee	On-time78%
Qantas Airways	Cheapest$1,294	Average$1,982	FlexibilityNo cancel fee	On-time74%
American Airlines	Cheapest$1,336	Average$1,789	FlexibilityNo cancel fee	On-time71%
Fiji Airways	Cheapest$1,390	Average$1,626	FlexibilityNo cancel fee	On-time74%

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$667+ Cheap flights from Philadelphia (PHL) to Sydney (SYD)

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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Philadelphia to Sydney with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Philadelphia to Sydney Kingsford Smith are usually found in February or September, booked 27 days in advance, depart on a Sunday or Wednesday and return on a Monday

Cheap flight deals from Philadelphia to Sydney

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Philadelphia to Sydney

Cheapest flights from Philadelphia to SydneyExplore the most affordable flight options available from Philadelphia to Sydney. 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 Philadelphia to Sydney. 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 Philadelphia to Sydney that are best for you.

Best time to book a flight from Philadelphia to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Philadelphia with our price prediction graph.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Sydney. Price data was last updated on July 25, 2025.

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

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

Find hourly flight availability from Philadelphia to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated July 30, 2025.

Peruse reviews from past customers who have flown with ANA, Alaska Airlines, and Fiji Airways from Philadelphia to Sydney to help guide your decision. You can also see how each airline stacks up 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 Philadelphia to Sydney. 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 Philadelphia to Sydney round-trip?

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

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

How can I find direct flights from Philadelphia to Sydney?

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

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

Traveling to a place near Sydney?

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Alternative routes for Philadelphia to Sydney

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Top 7 airlines flying from Philadelphia to Sydney

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Cheapest flights from Philadelphia to Sydney
Explore the most affordable flight options available from Philadelphia to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.