Philadelphia (PHL) → Sydney (SYD)
About Philadelphia to Sydney Flights
Discover the best flights from Philadelphia to Sydney, covering 15,882 km in approximately 20h 21m. Philadelphia (PHL) to Sydney (SYD) is one of the major long-haul routes connecting United States and Australia. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Philadelphia to Sydney.
12-Month Price History
Flight prices from Philadelphia to Sydney vary significantly throughout the year. February typically offers the best deals with average prices around $2776, while July sees the highest prices, averaging $4648. Savvy travelers can save up to 40% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
93 days
For best prices
Booking Tips
For the best prices on Philadelphia to Sydney flights, we recommend booking 64 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
Jetstar Airways JQ | $4600 | $20520 | $27200 |
American Airlines AA | $4740 | $20150 | $26550 |
Delta Air Lines DL | $4840 | $16890 | $28130 |
UPS Airlines 5X | $4850 | $15590 | $27150 |
Piedmont Airlines PT | $5540 | $20500 | $25830 |
Virgin Australia VA | $5940 | $19330 | $29090 |
Qantas QF | $5940 | $16690 | $25070 |
Jetstar Airways
JQ
Economy
$4600
Business
$20520
First
$27200
American Airlines
AA
Economy
$4740
Business
$20150
First
$26550
Delta Air Lines
DL
Economy
$4840
Business
$16890
First
$28130
UPS Airlines
5X
Economy
$4850
Business
$15590
First
$27150
Piedmont Airlines
PT
Economy
$5540
Business
$20500
First
$25830
Virgin Australia
VA
Economy
$5940
Business
$19330
First
$29090
Qantas
QF
Economy
$5940
Business
$16690
First
$25070
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
New York → Sydney
John F. Kennedy International (JFK) to Sydney Kingsford Smith (SYD)
Distance: 16,013 km
Average price: $3253
Newark → Sydney
Newark Liberty International (EWR) to Sydney Kingsford Smith (SYD)
Distance: 15,981 km
Average price: $3246
Washington → Sydney
Ronald Reagan Washington National (DCA) to Sydney Kingsford Smith (SYD)
Distance: 15,715 km
Average price: $3194
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Frequently Asked Questions
How long is the flight from Philadelphia to Sydney?
The flight time from Philadelphia (PHL) to Sydney (SYD) is approximately 20 hours and 21 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Philadelphia and Sydney?
The aerial distance between Philadelphia and Sydney is 15,882 kilometers (9,869 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Philadelphia to Sydney?
Several airlines operate flights between Philadelphia and Sydney, including Qantas, Jetstar Airways, Virgin Australia and 4 more airlines. Most flights on this route include one or more stops.
What is the cheapest month to fly from Philadelphia to Sydney?
Based on historical data, February typically offers the lowest airfares for flights from Philadelphia to Sydney. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Sydney?
For the best prices on Philadelphia to Sydney flights, we recommend booking 111 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from Philadelphia to Sydney?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to Australia should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between Philadelphia and Sydney?
Philadelphia operates on America/New_York time zone, while Sydney is in the Australia/Sydney time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.