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$806+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — CNS
Mar 27 — Apr 31
Fri 3/27
Fri 4/3
1 adult, Economy
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Cheap 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 February 25, 2026.

This BusinessClass deal was found by Cheapflights users on 2/25. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/118:30 pm
PHL
-
CNS
2 stops36h 50m
Multiple Airlines
Sat 4/1811:00 am
CNS
-
PHL
3 stops60h 05m
Multiple Airlines
Deal found 2/25$2,170
This Expedia deal was found by Cheapflights users on 2/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/118:30 pm
PHL
-
CNS
2 stops48h 55m
Qatar Airways
Sat 4/189:00 pm
CNS
-
PHL
2 stops74h 05m
Qatar Airways
Deal found 2/25$2,237
This Air New Zealand deal was found by Cheapflights users on 2/25. 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 Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1112:51 pm
PHL
-
CNS
3 stops40h 39m
Air New Zealand
Sat 4/183:45 pm
CNS
-
PHL
3 stops44h 40m
Air New Zealand
Deal found 2/25$2,278
This Qatar Airways deal was found by Cheapflights users on 2/23. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:40 pm
PHL
-
CNS
2 stops48h 20m
Qatar Airways
Wed 3/410:55 am
CNS
-
PHL
2 stops61h 05m
Qatar Airways
Deal found 2/23$2,669
This Qantas Airways deal was found by Cheapflights users on 2/24. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/282:31 pm
PHL
-
CNS
2 stops32h 34m
Qantas Airways
Wed 3/411:45 am
CNS
-
PHL
2 stops34h 10m
Qantas Airways
Deal found 2/24$3,128

Find 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 February 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$2,170
(BusinessClass)
Provider with most accurate pricing for Philadelphia-Cairns flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Cairns flights.
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From Philadelphia to Cairns
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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 February 25, 2026.
Use the filters below to find and compare flights from Philadelphia to Cairns that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Sat 4/11

8:30 pm-11:20 pm

2 stops36h 50m

Cairns

Sat 4/18

11:00 am-9:05 am

3 stops60h 05m

$2,170

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Sat 4/11

12:51 pm-7:30 pm

3 stops40h 39m

Cairns

Sat 4/18

3:45 pm-10:25 pm

3 stops44h 40m

$2,278

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Sat 2/28

7:40 pm-11:00 am

2 stops48h 20m

Cairns

Wed 3/4

10:55 am-9:00 am

2 stops61h 05m

$2,669

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Sat 2/28

2:31 pm-2:05 pm

2 stops32h 34m

Cairns

Wed 3/4

11:45 am-6:55 am

2 stops34h 10m

$3,128

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Mon 7/20

8:01 pm-11:40 am

3 stops49h 39m

$806

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Tue 7/21

3:09 pm-11:40 am

3 stops30h 31m

$853

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Sun 7/19

3:09 pm-3:55 pm

3 stops34h 46m

$967

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Sun 7/19

6:00 am-10:45 am

2 stops38h 45m

$1,297

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/24

Sorted by cheapest first
  • 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.

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 $3,128, Air New Zealand can have you in Cairns from Philadelphia in 32h 34m. 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.

  • 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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