Cheap flights from Philadelphia to Australia from $551
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Australia departing on 6/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize 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 Philadelphia to Australia
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Fiji Airways flights from Philadelphia to Australia
Our best Fiji Airways deals on Philadelphia to Australia flight tickets
Air Canada flights from Philadelphia to Australia
Our best Air Canada deals on Philadelphia to Australia flight tickets
See travel insights to Australia from
How to get the cheapest flight ticket from Philadelphia to Australia
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 Australia?
The month of September is, on average, the cheapest month to fly to Australia from Philadelphia, with most prices found around $1,147. If you aren’t able to travel during the month of September, then book flights to Australia from Philadelphia during February instead. Flights to Australia in February, while not as cheap as those in September, still average around $1,157.
What is the cheapest day to depart on your flight to Australia?
The cheapest day to depart from Philadelphia to Australia is on a Sunday. Travelers who choose to depart for Australia on a Sunday will often find tickets for as low as $1,373. On the other hand, Thursday is the most expensive day to depart from Philadelphia because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,659.
What is the cheapest time of day to depart on your flight to Australia?
Flying to Australia from Philadelphia in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,449 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $2,063 on average. Flights to Australia from Philadelphia in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.
How far in advance should I book a flight to Australia?
You are more likely to see cheaper flights to Australia from Philadelphia when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,463 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Philadelphia for as low as $1,051 on momondo.
What is the cheapest airline that flies from Philadelphia to Australia?
Fiji Airways, Qantas Airways, and Qatar Airways are the most popular carriers operating from Philadelphia to Australia
What airlines fly to Australia?
United Airlines, Air Canada and American Airlines are the top three most popular airlines that fly to Australia from Philadelphia according to our data. United Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 9 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.
Cheap Philadelphia to Australia flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Australia
When did momondo last update prices for flights from Philadelphia Airport to Australia?
Prices for flights from Philadelphia Airport to Australia are updated daily.
How many operators does momondo search for flights from Philadelphia Airport to Australia?
As of June 2025, there are 8 operators available to choose from for flights from Philadelphia Airport to Australia.
How old do you have to be to fly from Philadelphia Airport to Australia?
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 layovers 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 Philadelphia Airport to Australia.
What documentation or ID do you need to fly to Australia?
The necessary travel and health documents for your Australia 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 license 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.
Best airlines flying from Philadelphia to Australia
Compare and see reviews for airlines that fly from Philadelphia to Australia with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $337 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $717 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $860 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $945 | Free Cancellation | Rating 8.1 194 reviews | |||
| PriceFrom $945 | Free Cancellation | Rating 7.1 9,531 reviews | |||
| PriceFrom $1,220 | Free Cancellation | Rating 8.0 483 reviews | |||
| PriceFrom $1,294 | Free Cancellation | Rating 7.5 854 reviews | |||
| PriceFrom $1,296 | Free Cancellation | Rating 7.4 3,584 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Philadelphia to Australia?
Finding the right flight to Australia from Philadelphia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Australia quick and easy, saving you time and money.
Can I find flights from Philadelphia to Australia with flexible booking policies on momondo?
Flights from Philadelphia to Australia 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 Philadelphia to Australia?
momondo provides multiple filters to help you find the best flight to Australia from Philadelphia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Philadelphia to Australia right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Philadelphia to Australia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Australia and let you know when they change.