$951 Cheap Flights from Philadelphia (PHL) to Cairns (CNS)

View $951 flight on Sun, Nov 9, 2025Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to Cairns Intl. Airport (CNS)

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Cheap Flights from Philadelphia to Cairns (PHL-CNS)

Prices were available within the past 7 days and start at $951 for one-way flights and $1,065 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Fri, Oct 24 - Sun, Nov 9
PHL
Philadelphia
CNS
Cairns
$1,065 Roundtrip, found 17 hours ago
$1,065
Roundtrip
found 17 hours ago
Select Air Canada flight, departing Fri, Oct 24 from Philadelphia to Cairns, returning Sun, Nov 9, priced at $1,065 found 17 hours ago
Air Canada
Fri, Oct 24 - Sun, Nov 9
PHL
Philadelphia
CNS
Cairns
$1,165 Roundtrip, found 17 hours ago
$1,165
Roundtrip
found 17 hours ago
Select Air Canada flight, departing Fri, Oct 24 from Philadelphia to Cairns, returning Sun, Nov 9, priced at $1,165 found 17 hours ago
Fiji Airways
Sat, Nov 15 - Sat, Dec 6
PHL
Philadelphia
CNS
Cairns
$1,393 Roundtrip, found 6 days ago
$1,393
Roundtrip
found 6 days ago
Select Fiji Airways flight, departing Sat, Nov 15 from Philadelphia to Cairns, returning Sat, Dec 6, priced at $1,393 found 6 days ago
Fiji Airways
Sat, Oct 25 - Sat, Nov 8
PHL
Philadelphia
CNS
Cairns
$1,394 Roundtrip, found 17 hours ago
$1,394
Roundtrip
found 17 hours ago
Select Fiji Airways flight, departing Sat, Oct 25 from Philadelphia to Cairns, returning Sat, Nov 8, priced at $1,394 found 17 hours ago
Fiji Airways
Sat, Oct 25 - Thu, Nov 13
PHL
Philadelphia
CNS
Cairns
$1,403 Roundtrip, found 6 days ago
$1,403
Roundtrip
found 6 days ago
Select Fiji Airways flight, departing Sat, Oct 25 from Philadelphia to Cairns, returning Thu, Nov 13, priced at $1,403 found 6 days ago
Fiji Airways
Sat, Aug 23 - Sat, Aug 30
PHL
Philadelphia
CNS
Cairns
$1,418 Roundtrip, found 5 days ago
$1,418
Roundtrip
found 5 days ago
Select Fiji Airways flight, departing Sat, Aug 23 from Philadelphia to Cairns, returning Sat, Aug 30, priced at $1,418 found 5 days ago
American Airlines
Thu, Oct 23 - Sat, Nov 8
PHL
Philadelphia
CNS
Cairns
$1,419 Roundtrip, found 17 hours ago
$1,419
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Thu, Oct 23 from Philadelphia to Cairns, returning Sat, Nov 8, priced at $1,419 found 17 hours ago
Fiji Airways
Sat, Aug 23 - Thu, Sep 4
PHL
Philadelphia
CNS
Cairns
$1,421 Roundtrip, found 5 days ago
$1,421
Roundtrip
found 5 days ago
Select Fiji Airways flight, departing Sat, Aug 23 from Philadelphia to Cairns, returning Thu, Sep 4, priced at $1,421 found 5 days ago
Qatar Airways
Thu, Feb 12 - Tue, Mar 3
PHL
Philadelphia
CNS
Cairns
$1,477 Roundtrip, found 6 days ago
$1,477
Roundtrip
found 6 days ago
Select Qatar Airways flight, departing Thu, Feb 12 from Philadelphia to Cairns, returning Tue, Mar 3, priced at $1,477 found 6 days ago
Cathay Pacific
Tue, Jan 6 - Tue, Jan 20
PHL
Philadelphia
CNS
Cairns
$1,925 Roundtrip, found 5 days ago
$1,925
Roundtrip
found 5 days ago
Select Cathay Pacific flight, departing Tue, Jan 6 from Philadelphia to Cairns, returning Tue, Jan 20, priced at $1,925 found 5 days ago
Flights from Philadelphia (PHL) to Cairns (CNS)
Origin airport
Philadelphia Intl.
Destination airport
Cairns Intl.
Airlines serving
Air Canada, Cathay Pacific, Fiji Airways, Lufthansa, Qantas Airways, Qatar Airways, United
Roundtrip price
$1,065
Distance
9518 mi

Philadelphia to Cairns Flights

The cheapest times to fly from Philadelphia to Cairns

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Philadelphia to Cairns are during the month of October. You can find some of the cheapest flights from Philadelphia to Cairns with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Philadelphia to Cairns

Sunday is one of the best days to book for cheap flights from Philadelphia to Cairns: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Philadelphia to Cairns

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Philadelphia to Cairns in 2025. You can also book with separate airlines for your outbound and return journeys, from $951 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Philadelphia to Cairns flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Philadelphia to Cairns airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Cairns Intl. Airport (CNS) cost?
Discover the latest flight deals from PHL to CNS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PHL to CNS?
The cheapest flights from PHL to CNS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from PHL to CNS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from PHL to CNS. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Philadelphia Intl. Airport (PHL) to Cairns Intl. Airport (CNS)?
You'll need to hop on a flight with a layover if you're traveling from Philadelphia Intl. Airport (PHL) to Cairns Intl. Airport (CNS). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from PHL to CNS?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to Cairns Intl. Airport (CNS)?
To avoid potential delays on the Philadelphia Intl. Airport (PHL) to Cairns Intl. Airport (CNS) route, fly before 3 PM. Later departures are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Philadelphia Intl. Airport (PHL) to Cairns Intl. Airport (CNS) last-minute?
Booking your flight from PHL to CNS just before your journey is generally more expensive. But if there's some wiggle room with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book a PHL to CNS flight and hotel package?
You can save money by securing a PHL to CNS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've chosen your ideal accommodations and flights, consider adding extras including activities, car rentals and tours.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Cairns Intl. Airport (CNS)?
If you booked your PHL to CNS flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

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*Available to One Key members.