Sydney (SYD) → Philadelphia (PHL)

15,882 km
20h 21m flight
From $1990
Philadelphia destination photo

About Sydney to Philadelphia Flights

Discover the best flights from Sydney to Philadelphia, covering 15,882 km in approximately 20h 21m. Sydney (SYD) to Philadelphia (PHL) is one of the major long-haul routes connecting Australia and United States. 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 Sydney to Philadelphia.

12-Month Price History

Flight prices from Sydney to Philadelphia vary significantly throughout the year. February typically offers the best deals with average prices around $2732, while July sees the highest prices, averaging $4661. Savvy travelers can save up to 41% 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

91 days

For best prices

Booking Tips

For the best prices on Sydney to Philadelphia flights, we recommend booking 160 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

Delta Air Lines

DL

Economy

$4730

Business

$16980

First

$27720

Qantas

QF

Economy

$5080

Business

$16760

First

$27940

UPS Airlines

5X

Economy

$5170

Business

$15870

First

$28630

Jetstar Airways

JQ

Economy

$5220

Business

$20650

First

$26710

Piedmont Airlines

PT

Economy

$5280

Business

$16310

First

$26140

American Airlines

AA

Economy

$5500

Business

$20030

First

$33010

Virgin Australia

VA

Economy

$5730

Business

$15930

First

$29470

Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.

Alternative Flight Options

New York destination photo

SydneyNew York

Sydney Kingsford Smith (SYD) to John F. Kennedy International (JFK)

Distance: 16,013 km

Average price: $3253

View this route →
Newark destination photo

SydneyNewark

Sydney Kingsford Smith (SYD) to Newark Liberty International (EWR)

Distance: 15,981 km

Average price: $3246

View this route →
Washington destination photo

SydneyWashington

Sydney Kingsford Smith (SYD) to Ronald Reagan Washington National (DCA)

Distance: 15,715 km

Average price: $3194

View this route →

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Frequently Asked Questions

How long is the flight from Sydney to Philadelphia?

The flight time from Sydney (SYD) to Philadelphia (PHL) 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 Sydney and Philadelphia?

The aerial distance between Sydney and Philadelphia is 15,882 kilometers (9,869 miles). This is the straight-line distance, which is used to calculate flight times.

Which airlines fly from Sydney to Philadelphia?

Several airlines operate flights between Sydney and Philadelphia, 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 Sydney to Philadelphia?

Based on historical data, February typically offers the lowest airfares for flights from Sydney to Philadelphia. 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 Philadelphia?

For the best prices on Sydney to Philadelphia 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 Sydney to Philadelphia?

Visa requirements depend on your nationality and the purpose of your visit. Citizens of Australia traveling to United States should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.

What is the time difference between Sydney and Philadelphia?

Sydney operates on Australia/Sydney time zone, while Philadelphia is in the America/New_York time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.