Cheap flights from Sydney to Philadelphia from $1,218
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 25/11. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PHL
14 Dec — 21 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
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
Find 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 14 November 2025.
Thu 4/1211:45SYD - PHL
2 stops27h 00mAir New Zealand
Sun 7/1206:15PHL - SYD
2 stops34h 30mAir New Zealand
Deal found 12/11$1,746
Thu 4/1211:45SYD - PHL
3 stops42h 22mMultiple Airlines
Sun 7/1206:15PHL - SYD
2 stops34h 30mMultiple Airlines
Deal found 12/11$2,107
Fri 21/1107:05SYD - PHL
2 stops24h 43mQantas Airways
Thu 27/1111:00PHL - SYD
1 stop30h 00mQantas Airways
Deal found 13/11$2,353
Fri 21/1121:40SYD - PHL
2 stops48h 07mAlaska Airlines
Thu 27/1107:10PHL - SYD
2 stops44h 35mAlaska Airlines
Deal found 13/11$2,565
Wed 24/1221:40SYD - PHL
2 stops36h 04mMultiple Airlines
Mon 2/214:30PHL - SYD
1 stop26h 30mMultiple Airlines
Deal found 13/11$2,707
Wed 24/1221:40SYD - PHL
2 stops47h 57mAlaska Airlines
Mon 2/318:20PHL - SYD
2 stops57h 25mAlaska Airlines
Deal found 13/11$2,730
Thu 4/1211:20SYD - PHL
1 stop28h 29mAmerican Airlines
Sun 7/1217:00PHL - SYD
1 stop24h 00mAmerican Airlines
Deal found 12/11$2,809
Mon 29/1211:20SYD - PHL
1 stop22h 10mAmerican Airlines
Tue 30/1214:02PHL - SYD
1 stop26h 58mAmerican Airlines
Deal found 13/11$2,823
Thu 4/1211:20SYD - PHL
3 stops43h 30mAir Canada
Sun 7/1215:30PHL - SYD
3 stops50h 05mAir Canada
Deal found 12/11$2,966
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 14 November 2025.
Sat 7/311:20SYD - PHL
2 stops27h 26mAir Canada
Tue 10/315:30PHL - SYD
2 stops26h 05mAir Canada
Deal found 11/11$1,978
Thu 4/1211:45SYD - PHL
3 stops42h 22mMultiple Airlines
Sun 7/1206:15PHL - SYD
2 stops34h 30mMultiple Airlines
Deal found 12/11$2,107
Mon 4/509:10SYD - PHL
1 stop22h 45mAmerican Airlines
Fri 15/519:05PHL - SYD
1 stop22h 00mAmerican Airlines
Deal found 12/11$2,435
Fri 6/311:20SYD - PHL
2 stops44h 29mAir Canada
Tue 10/315:30PHL - SYD
2 stops26h 05mAir Canada
Deal found 13/11$2,030
Wed 24/1221:40SYD - PHL
2 stops36h 04mMultiple Airlines
Mon 2/214:30PHL - SYD
1 stop26h 30mMultiple Airlines
Deal found 13/11$2,707
Last-minute flights from Sydney to Philadelphia
Discover last-minute flight deals from Sydney to Philadelphia. Data last updated 14 November 2025 and is based on user searches.
Fri 21/1107:05SYD - PHL
2 stops24h 43mQantas Airways
Thu 27/1111:00PHL - SYD
1 stop30h 00mQantas Airways
Deal found 13/11$2,353
Fri 21/1121:40SYD - PHL
2 stops48h 07mAlaska Airlines
Thu 27/1107:10PHL - SYD
2 stops44h 35mAlaska Airlines
Deal found 13/11$2,565
Thu 4/1211:45SYD - PHL
2 stops27h 00mAir New Zealand
Sun 7/1206:15PHL - SYD
2 stops34h 30mAir New Zealand
Deal found 12/11$1,746
Thu 4/1211:45SYD - PHL
3 stops42h 22mMultiple Airlines
Sun 7/1206:15PHL - SYD
2 stops34h 30mMultiple Airlines
Deal found 12/11$2,107
Thu 4/1211:20SYD - PHL
1 stop28h 29mAmerican Airlines
Sun 7/1217:00PHL - SYD
1 stop24h 00mAmerican Airlines
Deal found 12/11$2,809
Thu 4/1211:20SYD - PHL
3 stops43h 30mAir Canada
Sun 7/1215:30PHL - SYD
3 stops50h 05mAir Canada
Deal found 12/11$2,966
Wed 24/1221:40SYD - PHL
2 stops36h 04mMultiple Airlines
Mon 2/214:30PHL - SYD
1 stop26h 30mMultiple Airlines
Deal found 13/11$2,707
Wed 24/1221:40SYD - PHL
2 stops47h 57mAlaska Airlines
Mon 2/318:20PHL - SYD
2 stops57h 25mAlaska Airlines
Deal found 13/11$2,730
Mon 29/1211:20SYD - PHL
1 stop22h 10mAmerican Airlines
Tue 30/1214:02PHL - SYD
1 stop26h 58mAmerican Airlines
Deal found 13/11$2,823
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 14 November 2025.
Tue 25/1106:20SYD - PHL
3 stops57h 26mMultiple Airlines
Deal found 13/11$1,218
Wed 26/1114:15SYD - PHL
3 stops50h 15mMultiple Airlines
Deal found 13/11$1,247
Fri 28/1113:55SYD - PHL
2 stops31h 19mAir New Zealand
Deal found 13/11$1,251
Thu 27/1106:30SYD - PHL
2 stops24h 08mQantas Airways
Deal found 13/11$1,318
Wed 26/1121:55SYD - PHL
2 stops32h 43mQantas Airways
Deal found 13/11$1,360
Thu 27/1109:00SYD - PHL
3 stops31h 30mMultiple Airlines
Deal found 13/11$1,408
Mon 1/1211:15SYD - PHL
3 stops58h 31mMultiple Airlines
Deal found 13/11$1,410
Fri 28/1114:00SYD - PHL
3 stops40h 07mMultiple Airlines
Deal found 13/11$1,479
Sat 29/1114:00SYD - PHL
3 stops30h 50mMultiple Airlines
Deal found 13/11$1,630
Tue 25/1111:20SYD - PHL
1 stop24h 43mAmerican Airlines
Deal found 13/11$1,811
Mon 1/1211:20SYD - PHL
2 stops28h 39mAmerican Airlines
Deal found 13/11$1,819
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 14 November 2025.
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 14 November 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
Sat 7/3
11:20-22:46
2 stops27h 26m
Philadelphia
Tue 10/3
15:30-08:35
2 stops26h 05m
$1,978
SydneyPhiladelphia
SYD - PHL
SYDPHL
Sydney Kingsford Smith
Fri 6/3
11:20-15:49
2 stops44h 29m
Philadelphia
Tue 10/3
15:30-08:35
2 stops26h 05m
$2,030
SydneyPhiladelphia
SYD - PHL
SYDPHL
Sydney Kingsford Smith
Thu 4/12
11:45-14:07
3 stops42h 22m
Philadelphia
Sun 7/12
06:15-08:45
2 stops34h 30m
$2,107
SydneyPhiladelphia
SYD - PHL
SYDPHL
Sydney Kingsford Smith
Mon 4/5
09:10-17:55
1 stop22h 45m
Philadelphia
Fri 15/5
19:05-07:05
1 stop22h 00m
$2,435
SydneyPhiladelphia
SYD - PHL
SYDPHL
Sydney Kingsford Smith
Wed 24/12
21:40-17:44
2 stops36h 04m
Philadelphia
Mon 2/2
14:30-09:00
1 stop26h 30m
$2,707
SydneyPhiladelphia
SYD - PHL
SYDPHL
Sydney Kingsford Smith
Wed 26/11
14:15-00:30
3 stops50h 15m
$1,247
SydneyPhiladelphia
SYD - PHL
SYDPHL
Sydney Kingsford Smith
Fri 28/11
13:55-05:14
2 stops31h 19m
$1,251
SydneyPhiladelphia
SYD - PHL
SYDPHL
Sydney Kingsford Smith
Thu 27/11
06:30-14:38
2 stops24h 08m
$1,318
SydneyPhiladelphia
SYD - PHL
SYDPHL
Sydney Kingsford Smith
Tue 25/11
06:00-23:59
2 stops33h 59m
$1,332
SydneyPhiladelphia
SYD - PHL
SYDPHL
Sydney Kingsford Smith
Wed 26/11
21:55-14:38
2 stops32h 43m
$1,360
Flights are sorted by cheapest return flights first.
Deals found on 13/11
Showing 1-10 of 17 results
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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
Prices
More
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 7 November 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 month to book a flight from Sydney to Philadelphia?
Currently, November is the cheapest month in which you can book a flight from Sydney to Philadelphia (average of $650). Flying from Sydney to Philadelphia in April is currently the most expensive (average of $1,491). 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 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 14 November 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 28% on airfare.
How much does it cost for a return flight from Sydney to Philadelphia?
What’s the top stopover airport for flights from Sydney to Philadelphia?
Share of one-stop return flights from Sydney to Philadelphia chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Los Angeles (LAX) – chosen by Cheapflights users on 64% of one-stop itineraries from Sydney to Philadelphia on Cheapflights.
What’s the fastest stopover option from Sydney to Philadelphia?
Shortest average travel time for one-stop one-way flights from Sydney to Philadelphia, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Dallas (DFW) have the shortest average one-way travel time for one-stop routes: 20h 44m.
What’s the fastest stopover option from Sydney to Philadelphia?
Shortest average travel time for one-stop one-way flights from Sydney to Philadelphia, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Dallas (DFW) have the shortest average one-way travel time for one-stop routes: 20h 44m.
Which airport typically offers the quickest stopover for flights from Sydney to Philadelphia?
Average stopover duration for one-stop one-way flights from Sydney to Philadelphia, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Dallas (DFW) offer the fastest connection on this route, with an average stopover time of 2h 00m.
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 14 November 2025.
Get a feel of what it's like to fly with Delta, Qantas Airways, andUnited 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.
The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
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 27h 26m. The distance between Sydney and Philadelphia is about 15871 km.
What are the cheapest airlines flying from Sydney to Philadelphia round-trip?
Delta, at $1,174, was found to be the cheapest airline from Sydney to Philadelphia.Alternate airlines to your destination round-trip include United Airlines and Air Canada. Users have found that Delta is 44% cheaper than the other options available to this destination.
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, November is the cheapest month in which you can book a flight from Sydney to Philadelphia (average of $650). Flying from Sydney to Philadelphia in April is currently the most expensive (average of $1,491). 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.
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 14 November 2025.
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 14 November 2025.
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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