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Cheap flights from Philadelphia to Cairns from $1,529

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — CNS
11 Apr — 18 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Philadelphia to Cairns

Enter your travel dates to find the best prices.

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 12 March 2026.

Wed 4/1115:40
PHL
-
CNS
2 stops28h 25m
Qantas Airways
Wed 25/1112:05
CNS
-
PHL
2 stops34h 20m
Qantas Airways
Deal found 9/3$1,930
Sun 9/817:43
PHL
-
CNS
2 stops29h 12m
Multiple Airlines
Wed 2/915:45
CNS
-
PHL
2 stops29h 20m
Multiple Airlines
Deal found 9/3$2,033
Wed 4/1119:50
PHL
-
CNS
3 stops45h 40m
Multiple Airlines
Wed 25/1109:45
CNS
-
PHL
3 stops62h 15m
Multiple Airlines
Deal found 9/3$2,194
Wed 8/412:56
PHL
-
CNS
2 stops39h 29m
Multiple Airlines
Wed 15/419:10
CNS
-
PHL
2 stops37h 44m
Multiple Airlines
Deal found 9/3$2,283
Sun 9/807:00
PHL
-
CNS
3 stops42h 55m
Air Canada
Wed 2/916:35
CNS
-
PHL
3 stops42h 59m
Air Canada
Deal found 9/3$2,577
Wed 8/412:56
PHL
-
CNS
2 stops32h 54m
Qantas Airways
Wed 15/417:40
CNS
-
PHL
3 stops39h 14m
Qantas Airways
Deal found 9/3$2,665
Wed 18/1119:50
PHL
-
CNS
2 stops36h 15m
Qatar Airways
Sun 22/1110:55
CNS
-
PHL
2 stops61h 05m
Qatar Airways
Deal found 9/3$3,193
Wed 18/1107:50
PHL
-
CNS
3 stops40h 05m
Air Canada
Sun 22/1117:35
CNS
-
PHL
3 stops44h 11m
Air Canada
Deal found 10/3$3,242

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 12 March 2026.

Round-trip from

$2,033

One-way from

$1,529
Qantas Airways
  • Qantas Airways
  • 9/8-2/9
  • 4 total stops
  • 58h 32m total
  • Philadelphia to Cairns
Search Deals
5/7
  • 5/7
  • 2 total stops
  • 28h 25m total
  • Philadelphia to Cairns
Search Deals

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 12 March 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 return flight
Fastest return journey

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Sun 9/8

17:43-12:55

2 stops29h 12m

Cairns

Wed 2/9

15:45-07:05

2 stops29h 20m

$2,033

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Sun 9/8

07:00-15:55

3 stops42h 55m

Cairns

Wed 2/9

16:35-21:34

3 stops42h 59m

$2,577

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Wed 8/4

09:15-18:25

3 stops43h 10m

Cairns

Wed 15/4

19:10-22:43

3 stops41h 33m

$3,303
Cheapest one-way
Fastest single journey

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Sun 5/7

10:05-04:30

2 stops28h 25m

$1,529

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Mon 6/7

18:01-12:55

2 stops28h 54m

$1,685

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Sun 5/7

10:05-11:10

3 stops35h 05m

$1,910

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Mon 6/7

07:00-15:55

3 stops42h 55m

$3,478

Flights are sorted by cheapest return flights first.

Deals found on 10/3

Sorted by cheapest first

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 return 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?

    Airlines like Air Canada fly from Philadelphia to Cairns in about 42h 55m. The time it takes to get you to your destination can typically vary by up to . Philadelphia and Cairns are separated by a distance of 15308 km.

  • 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 holiday 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

Travelling to a place near Cairns?

Book flights to Cairns if you plan to visit one of these locations
Mission Beach
Trinity Beach

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