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$1,617+ Cheap flights from Philadelphia (PHL) to Cairns (CNS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — CNS
May 10 — May 171
Sun 5/10
Sun 5/17
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 April 10, 2026.

This Qantas Airways deal was found by Cheapflights users on 4/9. 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.
Sun 5/243:29 pm
PHL
-
CNS
2 stops29h 06m
Qantas Airways
Sun 5/311:55 pm
CNS
-
PHL
2 stops31h 05m
Qantas Airways
Deal found 4/9$1,617
This Qantas Airways deal was found by Cheapflights users on 4/7. 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.
Fri 5/223:29 pm
PHL
-
CNS
2 stops29h 06m
Qantas Airways
Fri 5/291:55 pm
CNS
-
PHL
2 stops31h 05m
Qantas Airways
Deal found 4/7$1,716
This Qantas Airways deal was found by Cheapflights users on 4/9. 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.
Sun 5/245:40 pm
PHL
-
CNS
3 stops31h 20m
Multiple Airlines
Sun 5/313:45 pm
CNS
-
PHL
2 stops29h 15m
Multiple Airlines
Deal found 4/9$1,761
This oojo deal was found by Cheapflights users on 4/9. 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.
Sat 8/223:35 pm
PHL
-
CNS
2 stops30h 15m
Qantas Airways
Sat 12/1911:35 am
CNS
-
PHL
2 stops48h 20m
Qantas Airways
Deal found 4/9$1,763
This FlightHub deal was found by Cheapflights users on 4/6. 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.
Fri 4/245:37 pm
PHL
-
CNS
2 stops29h 18m
Qantas Airways
Fri 5/11:40 pm
CNS
-
PHL
2 stops31h 28m
Qantas Airways
Deal found 4/6$1,796
This American Airlines deal was found by Cheapflights users on 4/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2411:00 am
PHL
-
CNS
2 stops35h 55m
American Airlines
Sun 5/313:45 pm
CNS
-
PHL
2 stops29h 15m
American Airlines
Deal found 4/8$2,031
This KAYAK deal was found by Cheapflights users on 4/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:00 pm
PHL
-
CNS
2 stops26h 45m
Air New Zealand
Sat 12/192:55 pm
CNS
-
PHL
3 stops46h 30m
Air New Zealand
Deal found 4/9$2,185
This FlightHub deal was found by Cheapflights users on 4/6. 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.
Thu 8/208:30 pm
PHL
-
CNS
2 stops50h 30m
Qatar Airways
Mon 8/241:40 pm
CNS
-
PHL
2 stops57h 20m
Qatar Airways
Deal found 4/6$2,188
This BusinessClass deal was found by Cheapflights users on 4/6. 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.
Thu 8/208:30 pm
PHL
-
CNS
3 stops47h 15m
Multiple Airlines
Mon 8/244:55 pm
CNS
-
PHL
2 stops54h 05m
Multiple Airlines
Deal found 4/6$2,199

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 April 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,617
(Qantas Airways)
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 April 10, 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

Cheapest round-trip

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Sun 5/24

3:29 pm-10:35 am

2 stops29h 06m

Cairns

Sun 5/31

1:55 pm-7:00 am

2 stops31h 05m

$1,617

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Fri 5/22

3:29 pm-10:35 am

2 stops29h 06m

Cairns

Fri 5/29

1:55 pm-7:00 am

2 stops31h 05m

$1,716

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Sun 5/24

5:40 pm-3:00 pm

3 stops31h 20m

Cairns

Sun 5/31

3:45 pm-7:00 am

2 stops29h 15m

$1,761

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Fri 5/22

3:29 pm-10:35 am

2 stops29h 06m

Cairns

Fri 5/29

3:45 pm-5:34 am

3 stops27h 49m

$2,229

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Fri 4/24

4:20 pm-12:55 pm

3 stops30h 35m

Cairns

Fri 5/1

1:40 pm-7:08 am

2 stops31h 28m

$2,329
Quickest round-trip

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Fri 5/22

6:23 pm-11:10 am

2 stops26h 47m

Cairns

Fri 5/29

6:00 am-5:17 pm

2 stops25h 17m

$3,101

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Thu 4/23

3:43 pm-2:40 pm

2 stops32h 57m

Cairns

Mon 4/27

3:45 pm-5:52 am

2 stops28h 07m

$3,240

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

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 $1,617, Qantas Airways can have you in Cairns from Philadelphia in 29h 06m. Philadelphia and Cairns are separated by a distance of 9512 mi.

  • 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.

See more FAQs

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