Cheap Flights from Sydney to Philadelphia International

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Compare Sydney to Philadelphia International flight deals

Find the cheapest month or even day of the year to fly to Philadelphia International

Book the best Philadelphia International fare with no extra fees

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Flight deals from Sydney to Philadelphia International

Looking for a cheap last-minute deal or the best return flight from Sydney Airport to Philadelphia International Airport? If you want to travel next month, return fares start from $2,467. Find the lowest prices on one-way and return tickets right here.

Philadelphia.$1,401 per passenger.Departing Sun, 20 Jun, returning Tue, 17 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Sydney on Sun, 20 Jun, arriving in Philadelphia International.Inbound indirect flight with Delta, departs from Philadelphia International on Tue, 17 Aug, arriving in Sydney.Price includes taxes and charges.From $1,401, select.

Philadelphia.$2,467 per passenger.Departing Thu, 12 Nov, returning Mon, 23 Nov.Return flight with American Airlines.Outbound indirect flight with American Airlines, departs from Sydney on Thu, 12 Nov, arriving in Philadelphia International.Inbound indirect flight with American Airlines, departs from Philadelphia International on Mon, 23 Nov, arriving in Sydney.Price includes taxes and charges.From $2,467, select.

Philadelphia.$2,467 per passenger.Departing Tue, 20 Oct, returning Mon, 23 Nov.Return flight with American Airlines.Outbound indirect flight with American Airlines, departs from Sydney on Tue, 20 Oct, arriving in Philadelphia International.Inbound indirect flight with American Airlines, departs from Philadelphia International on Mon, 23 Nov, arriving in Sydney.Price includes taxes and charges.From $2,467, select.

Philadelphia.$2,467 per passenger.Departing Mon, 12 Oct, returning Tue, 20 Oct.Return flight with American Airlines.Outbound indirect flight with American Airlines, departs from Sydney on Mon, 12 Oct, arriving in Philadelphia International.Inbound indirect flight with American Airlines, departs from Philadelphia International on Tue, 20 Oct, arriving in Sydney.Price includes taxes and charges.From $2,467, select.

Philadelphia.$2,468 per passenger.Departing Mon, 23 Nov, returning Wed, 2 Dec.Return flight with American Airlines.Outbound indirect flight with American Airlines, departs from Sydney on Mon, 23 Nov, arriving in Philadelphia International.Inbound indirect flight with American Airlines, departs from Philadelphia International on Wed, 2 Dec, arriving in Sydney.Price includes taxes and charges.From $2,468, select.

Philadelphia.$2,472 per passenger.Departing Mon, 1 Feb, returning Sun, 14 Feb.Return flight with American Airlines.Outbound indirect flight with American Airlines, departs from Sydney on Mon, 1 Feb, arriving in Philadelphia International.Inbound indirect flight with American Airlines, departs from Philadelphia International on Sun, 14 Feb, arriving in Sydney.Price includes taxes and charges.From $2,472, select.

Philadelphia.$2,476 per passenger.Departing Wed, 27 Jan, returning Wed, 10 Feb.Return flight with American Airlines.Outbound indirect flight with American Airlines, departs from Sydney on Wed, 27 Jan, arriving in Philadelphia International.Inbound indirect flight with American Airlines, departs from Philadelphia International on Wed, 10 Feb, arriving in Sydney.Price includes taxes and charges.From $2,476, select.

Philadelphia.$2,552 per passenger.Departing Thu, 21 Jan, returning Thu, 28 Jan.Return flight with American Airlines.Outbound indirect flight with American Airlines, departs from Sydney on Thu, 21 Jan, arriving in Philadelphia International.Inbound indirect flight with American Airlines, departs from Philadelphia International on Thu, 28 Jan, arriving in Sydney.Price includes taxes and charges.From $2,552, select.

Philadelphia.$2,693 per passenger.Departing Wed, 7 Apr, returning Tue, 20 Apr.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Sydney on Wed, 7 Apr, arriving in Philadelphia International.Inbound indirect flight with Qatar Airways, departs from Philadelphia International on Tue, 20 Apr, arriving in Sydney.Price includes taxes and charges.From $2,693, select.

Philadelphia.$2,850 per passenger.Departing Thu, 25 Feb, returning Tue, 16 Mar.Return flight with American Airlines.Outbound indirect flight with American Airlines, departs from Sydney on Thu, 25 Feb, arriving in Philadelphia International.Inbound indirect flight with American Airlines, departs from Philadelphia International on Tue, 16 Mar, arriving in Sydney.Price includes taxes and charges.From $2,850, select.

Philadelphia.$3,000 per passenger.Departing Thu, 4 Mar, returning Thu, 18 Mar.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Sydney on Thu, 4 Mar, arriving in Philadelphia International.Inbound indirect flight with Etihad Airways, departs from Philadelphia International on Thu, 18 Mar, arriving in Sydney.Price includes taxes and charges.From $3,000, select.

Philadelphia.$3,080 per passenger.Departing Sun, 4 Jul, returning Sun, 18 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Sydney on Sun, 4 Jul, arriving in Philadelphia International.Inbound indirect flight with Delta, departs from Philadelphia International on Sun, 18 Jul, arriving in Sydney.Price includes taxes and charges.From $3,080, select.

Philadelphia.$3,146 per passenger.Departing Thu, 24 Jun, returning Wed, 7 Jul.Return flight with United.Outbound indirect flight with United, departs from Sydney on Thu, 24 Jun, arriving in Philadelphia International.Inbound indirect flight with United, departs from Philadelphia International on Wed, 7 Jul, arriving in Sydney.Price includes taxes and charges.From $3,146, select.

Philadelphia.$3,150 per passenger.Departing Tue, 6 Apr, returning Tue, 4 May.Return flight with United.Outbound indirect flight with United, departs from Sydney on Tue, 6 Apr, arriving in Philadelphia International.Inbound indirect flight with United, departs from Philadelphia International on Tue, 4 May, arriving in Sydney.Price includes taxes and charges.From $3,150, select.

Philadelphia.$3,227 per passenger.Departing Sun, 2 May, returning Thu, 13 May.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Sydney on Sun, 2 May, arriving in Philadelphia International.Inbound indirect flight with Qatar Airways, departs from Philadelphia International on Thu, 13 May, arriving in Sydney.Price includes taxes and charges.From $3,227, select.

Philadelphia.$3,246 per passenger.Departing Fri, 12 Mar, returning Mon, 12 Apr.Return flight with United.Outbound indirect flight with United, departs from Sydney on Fri, 12 Mar, arriving in Philadelphia International.Inbound indirect flight with United, departs from Philadelphia International on Mon, 12 Apr, arriving in Sydney.Price includes taxes and charges.From $3,246, select.

Find the cheapest month to fly from Sydney to Philadelphia International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sydney to Philadelphia International flights are currently cheapest in October.

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Sydney to Philadelphia International: Alternative routes

Compare routes from Sydney to Philadelphia below. You may find an airport to fly into that's cheaper, faster, or easier than Philadelphia International.

Sydney to Philadelphia: Flight information

The things to know before you go.

Cheapest flight found	$1,400
Cheapest month to fly	June

Finding cheap flights from Sydney to Philadelphia International: Frequently asked questions

How much are return flights from Sydney to Philadelphia International?

The best price we found for a return flight from Sydney to Philadelphia International is $1,401. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Sydney to Philadelphia International?

Currently, there are no airlines that fly direct from Sydney to Philadelphia International. But we found flights with one or more stops from $1,401.

How many flights are there a week from Sydney to Philadelphia International?

As of October 2026, there are no flights flying from Sydney to Philadelphia International.

When is the cheapest time to fly from Sydney to Philadelphia International?

The cheapest month to fly from Sydney to Philadelphia International is usually June.

Which upcoming date is cheapest to fly from Sydney Airport to Philadelphia International Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sydney Airport to Philadelphia International Airport on Sunday, 20 June 2027.

Can I get a direct flight from Sydney Airport to Philadelphia International Airport?

No airlines currently offer direct flights between Sydney Airport and Philadelphia International Airport. Most routes have one or more stops.

How can I find the best flight deal to Philadelphia International?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Philadelphia International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Philadelphia?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Philadelphia is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Sydney Airport to Philadelphia International with?

Currently, Delta offers the cheapest flight tickets to Philadelphia International.

Travelling from Sydney Airport (SYD) to Philadelphia International Airport (PHL): what you need to know

Philadelphia's timezone is UTC-5, making Philadelphia 16 hours behind Sydney.
To ensure you get on your SYD to PHL flight, leave enough time to check in and find your gate. Arriving two hours before international departures and one hour before domestic flights is the standard rule.
During popular months such as July, it's best to get to the airport earlier. Arrive two hours before domestic departures and four hours ahead for an international flight whenever you're flying during a high season in general.
If you'd like to break up your flight, just uncheck 'Direct flights only' when searching for your ticket from Sydney Airport to Philadelphia International Airport. These are the top stopovers between SYD and PHL:
- Dallas Fort Worth International Airport
- Los Angeles International Airport
- Houston George Bush Intercntl. Airport

Handy information about Sydney Airport (SYD)

66% of flights that depart Sydney Airport land at their destination on time.
To reach Sydney Airport from central Sydney, it takes about 20 minutes if you're going by car. This depends on traffic though. It's approximately 8 kilometres from the airport to the city centre.
The trip when using public transport will take about 15 minutes.
Get your break off to a relaxed start by staying near SYD. Whether you've booked an early flight from Sydney Airport to Philadelphia International Airport or just don't want to be rushed, these stays have you covered:

Arriving at Philadelphia International Airport (PHL)

If you're coming in on a late Sydney Airport to Philadelphia International Airport flight, nothing beats the convenience of staying near the terminal. Pick up your bags from the carousel and then be showered and resting soon after at one of these accommodation options near PHL:
Fast-track your adventure by picking up a Philadelphia International Airport rental car. Grab a set of wheels from Dollar, Thrifty or Budget and experience the lesser-explored corners of Philadelphia and beyond.
For the best deal, book your ride from Philadelphia International Airport around three weeks before you set off.

When to fly to Philadelphia International Airport (PHL)

It's time to plan your travel dates for your flight from Sydney Airport to Philadelphia International Airport. August is the busiest month to head to Philadelphia. If you want a more relaxed vibe, go in March.
When booking your flight from Sydney Airport to Philadelphia International Airport, think about the type of weather you enjoy. July is the warmest month in Philadelphia, with the temperature ranging from 18ºC to 32ºC.
January has average temperatures of between -7ºC and 9ºC. Look for cheap tickets from SYD to PHL around that time if you'd rather travel in cooler conditions.

Explore more of the United States

New York is just one of the many places in the United States waiting to be explored once you've taken in the sights of Philadelphia. Around 129 kilometres away to the north-east, top sights here include Central Park, Statue of Liberty and Metropolitan Museum of Art.
Around 434 kilometres north-east of Philadelphia, Boston is another essential stop in the United States. Experience this destination's highlights firsthand at Museum of Fine Arts Boston, Freedom Trail and USS Constitution Museum.