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$740+ 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
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
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 January 20, 2026.

This Qantas Airways deal was found by Cheapflights users on 1/19. 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 2/212:31 pm
PHL
-
CNS
2 stops34h 44m
Qantas Airways
Wed 2/2512:35 pm
CNS
-
PHL
2 stops65h 02m
Qantas Airways
Deal found 1/19$1,545
This FlightHub deal was found by Cheapflights users on 1/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/287:45 pm
PHL
-
CNS
2 stops36h 20m
Qatar Airways
Thu 5/141:40 pm
CNS
-
PHL
2 stops57h 20m
Qatar Airways
Deal found 1/19$2,039
This Air New Zealand deal was found by Cheapflights users on 1/18. 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.
Fri 6/1212:51 pm
PHL
-
CNS
3 stops38h 04m
Multiple Airlines
Sun 6/2811:55 am
CNS
-
PHL
3 stops40h 27m
Multiple Airlines
Deal found 1/18$2,132
This SmartFares deal was found by Cheapflights users on 1/19. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/287:45 pm
PHL
-
CNS
3 stops45h 45m
Multiple Airlines
Thu 5/1412:10 pm
CNS
-
PHL
2 stops58h 50m
Multiple Airlines
Deal found 1/19$2,170
This oojo deal was found by Cheapflights users on 1/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/125:43 pm
PHL
-
CNS
2 stops27h 22m
Qantas Airways
Sun 6/289:40 pm
CNS
-
PHL
2 stops34h 54m
Qantas Airways
Deal found 1/18$2,290

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 January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$1,545
(Qantas Airways)

One-way from

$740
(Qantas Airways)
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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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 January 20, 2026.
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

Sat 2/21

2:31 pm-4:15 pm

2 stops34h 44m

Cairns

Wed 2/25

12:35 pm-2:37 pm

2 stops65h 02m

$1,545

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Wed 1/28

7:45 pm-11:05 pm

2 stops36h 20m

Cairns

Thu 5/14

1:40 pm-9:00 am

2 stops57h 20m

$2,039

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Wed 1/28

7:45 pm-8:30 am

3 stops45h 45m

Cairns

Thu 5/14

12:10 pm-9:00 am

2 stops58h 50m

$2,170

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Tue 2/3

2:30 pm-11:00 am

2 stops29h 30m

$740

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Tue 2/3

2:30 pm-9:20 am

2 stops27h 50m

$740

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Fri 7/3

8:30 am-10:50 pm

3 stops48h 20m

$3,915

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

  • 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 $1,545, Qantas Airways can have you in Cairns from Philadelphia in 34h 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.

  • 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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