Cheap flights from Sydney to Philadelphia from $779
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Philadelphia departing on 25/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Sydney to Philadelphia
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Delta flights from Sydney to Philadelphia
Our best Delta deals on Sydney to Philadelphia flight tickets
Qatar Airways flights from Sydney to Philadelphia
Our best Qatar Airways deals on Sydney to Philadelphia flight tickets
See travel insights to Philadelphia from
How to get the cheapest flight ticket from Sydney to Philadelphia
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Philadelphia?
If you aren’t able to travel to Philadelphia during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,555.
What is the cheapest day to depart on your flight to Philadelphia?
The cheapest day to depart from Sydney to Philadelphia is on a Thursday when prices can be found for as low as $2,031. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $2,548. These prices are subject to change though, so be sure to set up a Price Alert for flights to Philadelphia.
What is the cheapest time of day to depart on your flight to Philadelphia?
Flying to Philadelphia from Sydney in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,715 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Philadelphia is in the afternoon when prices are around $2,413.
How far in advance should I book a flight to Philadelphia?
You are more likely to see cheaper flights to Philadelphia from Sydney when booking 3 weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $2,172 when searching 3 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Sydney for as low as $1,339 on momondo.
What is the cheapest airline that flies from Sydney Kingsford Smith to Philadelphia?
Delta, American Airlines, and Qatar Airways are the most popular carriers operating from Sydney Kingsford Smith to Philadelphia
Which airlines fly to Philadelphia?
Air Canada, United Airlines and Qantas Airways are the top three most popular airlines that fly to Philadelphia from Sydney according to our data. Air Canada is the first choice among our users, with 41% of people opting to fly with this airline when travelling to Philadelphia. Keep in mind that there are 8 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.
When to book flights from Sydney to Philadelphia
Cheap Sydney to Philadelphia (SYD to PHL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Sydney to Philadelphia
How far is Sydney Kingsford Smith to Philadelphia by plane?
Sydney Kingsford Smith and Philadelphia are 15874.2 km apart from one another. A reasonable flight in good conditions will take 19h 46m.
When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Philadelphia Airport?
Prices for flights from Sydney Kingsford Smith Airport to Philadelphia Airport refresh daily.
How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Philadelphia Airport?
The number of operators available for flights from Sydney Kingsford Smith Airport to Philadelphia Airport is 6 as of February 2025.
How old do you have to be to fly from Sydney Kingsford Smith Airport to Philadelphia Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The necessary travel and health documents for your Philadelphia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Sydney to Philadelphia?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Sydney to Philadelphia is Qantas Airways (36% of total bookings). The next most popular airlines are Air Canada (24%), American Airlines (13%), and Delta (12%).
Best airlines flying from Sydney to Philadelphia
Compare and see reviews for airlines that fly from Sydney to Philadelphia with momondo
| Airline | Rating | Free cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $1,211 | Free cancellation | Rating 8.0 8,257 reviews | |||
| PriceFrom $1,559 | Free cancellation | Rating 7.0 8,723 reviews | |||
| PriceFrom $1,649 | Free cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $1,752 | Free cancellation | Rating 7.4 817 reviews | |||
| PriceFrom $1,808 | Free cancellation | Rating 7.9 463 reviews | |||
| PriceFrom $1,879 | Free cancellation | Rating 7.4 8,790 reviews |
Travelling to a place near Philadelphia?
Book flights to Philadelphia if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Sydney to Philadelphia?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Philadelphia from Sydney.
Can I find flights from Sydney to Philadelphia with flexible booking policies on momondo?
Flights from Sydney to Philadelphia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Sydney to Philadelphia?
momondo provides multiple filters to help you find the best flight to Philadelphia from Sydney. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Sydney to Philadelphia right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Philadelphia, momondo offers a useful price alert feature which will track prices for flights to Philadelphia from Sydney and alert you when they change.