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$546+ Cheap flights from Philadelphia (PHL) to Cairns (CNS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — CNS
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
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Cheap flight deals from Philadelphia to Cairns

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Cairns (CNS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,224
(Qantas Airways)

One-way from

$546
(FlightHub)
Provider with most accurate pricing for Philadelphia-Cairns flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Cairns flights.
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From Philadelphia to Cairns
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One-way flight from Philadelphia to Cairns
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Find flight deals from Philadelphia to Cairns

Cheapest flights from Philadelphia to Cairns
Explore the most affordable flight options available from Philadelphia to Cairns. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2025.

This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/612:45 pmPHL - CNS
2 stops35h 10mUnited Airlines
Sat 12/136:00 amCNS - PHL
2 stops28h 41mUnited Airlines
Deal found 10/22$2,232

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Cairns that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 23, 2025.
Use the filters below to find and compare flights from Philadelphia to Cairns that are best for you.

Fly from

Philadelphia

Fly to

Cairns

Route

Depart

Return

Price

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Sun 3/15

5:19 pm-11:50 am

2 stops28h 31m

Cairns

Thu 3/19

12:35 pm-11:49 pm

2 stops49h 14m

$1,224

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Sun 3/15

6:16 pm-11:00 am

2 stops26h 44m

Cairns

Thu 3/19

6:00 am-9:38 pm

2 stops29h 38m

$1,259

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Thu 1/8

4:24 pm-11:50 am

2 stops28h 26m

Cairns

Sat 4/25

6:20 pm-9:16 pm

2 stops40h 56m

$1,717

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Sun 3/15

9:20 am-2:55 pm

3 stops39h 35m

Cairns

Thu 3/19

3:45 pm-10:56 pm

3 stops45h 11m

$1,741

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Sat 12/6

12:45 pm-2:55 pm

2 stops35h 10m

Cairns

Sat 12/13

6:00 am-7:41 pm

2 stops28h 41m

$2,232

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Thu 1/8

3:35 pm-11:50 am

2 stops29h 15m

Cairns

Sat 4/25

3:35 pm-6:23 am

3 stops28h 48m

$2,398

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Thu 1/8

12:40 pm-2:05 pm

3 stops34h 25m

Cairns

Sat 4/25

3:35 pm-7:21 am

3 stops53h 46m

$2,772

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Tue 2/3

4:24 pm-11:50 am

2 stops28h 26m

$546

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Tue 2/3

2:30 pm-11:50 am

2 stops30h 20m

$554

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Tue 2/3

5:37 pm-11:35 am

2 stops26h 58m

$588

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/23

Showing 1-10 of 11 results
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Compare providers for flights from Philadelphia to Cairns

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Cairns in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Philadelphia-Cairns flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Cairns flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Cairns flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Cairns flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Cairns flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Philadelphia to Cairns

Have a flexible travel schedule? Discover the best time to fly to Cairns from Philadelphia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Cairns

What is the cheapest time of day to fly from PHL to CNS?

Find hourly flight availability from Philadelphia to Cairns. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 23, 2025.

It’s typically best to fly out from Philadelphia to Cairns in the evening. Doing so could potentially save you 42% on the flight price compared to flying at noon, which is usually more expensive.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Cairns. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Philadelphia to Cairns?

    For as low as $1,259, Qantas Airways can have you in Cairns from Philadelphia in 26h 44m. Philadelphia and Cairns are separated by a distance of 9512 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Philadelphia to Cairns one-way?

    To fly one-way, consider booking your trip with Qantas Airways, which is currently one of the cheapest options available, starting at $546. American Airlines flights start at $554 while deals on Fiji Airways start at $588 one-way.

  • Can I find deals for flights from Philadelphia to Cairns that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Cairns flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Cairns?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Cairns.

  • Can I find deals for business class flights from Philadelphia to Cairns?

    Yes. Cheapflights offers flight deals from Philadelphia to Cairns by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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