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Cheap flights from Philadelphia to Cairns from $1,478

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
18 Apr — 25 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 19 March 2026.

Tue 3/1117:07
PHL
-
CNS
2 stops32h 48m
Qantas Airways
Tue 24/1117:40
CNS
-
PHL
2 stops41h 23m
Qantas Airways
Deal found 15/3$1,930
Wed 8/417:37
PHL
-
CNS
2 stops26h 58m
Qantas Airways
Wed 15/406:00
CNS
-
PHL
2 stops37h 52m
Qantas Airways
Deal found 14/3$2,317
Tue 3/1115:30
PHL
-
CNS
3 stops32h 25m
Air Canada
Tue 24/1106:00
CNS
-
PHL
3 stops31h 46m
Air Canada
Deal found 15/3$2,381
Mon 4/510:25
PHL
-
CNS
3 stops37h 15m
Multiple Airlines
Sat 9/519:10
CNS
-
PHL
3 stops41h 33m
Multiple Airlines
Deal found 15/3$3,048
Wed 18/1119:50
PHL
-
CNS
2 stops36h 15m
Qatar Airways
Sun 22/1123:55
CNS
-
PHL
2 stops48h 05m
Qatar Airways
Deal found 17/3$3,271
Wed 18/1116:30
PHL
-
CNS
3 stops55h 25m
Air Canada
Sun 22/1117:35
CNS
-
PHL
3 stops44h 11m
Air Canada
Deal found 18/3$3,346

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 19 March 2026.

Round-trip from

$2,317

One-way from

$1,478
Qantas Airways
  • Qantas Airways
  • 8/4-15/4
  • 4 total stops
  • 64h 50m total
  • Philadelphia to Cairns
Search Deals
5/7
  • 5/7
  • 3 total stops
  • 48h 10m 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 19 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

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Wed 8/4

15:21-11:50

2 stops30h 29m

Cairns

Wed 15/4

17:40-18:54

3 stops39h 14m

$2,866

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Mon 4/5

10:25-13:40

3 stops37h 15m

Cairns

Sat 9/5

19:10-22:43

3 stops41h 33m

$3,048
Fastest return journey

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Mon 1/6

16:20-11:10

3 stops28h 50m

Cairns

Tue 30/6

06:00-22:44

3 stops30h 44m

$5,707

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Mon 1/6

09:25-19:30

3 stops44h 05m

Cairns

Tue 30/6

11:55-07:50

2 stops33h 55m

$7,504
Cheapest one-way

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Sun 5/7

14:20-04:30

3 stops48h 10m

$1,478

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Sat 4/7

16:00-04:30

3 stops46h 30m

$1,550
Fastest single journey

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Mon 6/7

07:35-04:30

2 stops30h 55m

$1,609

Flights are sorted by cheapest return flights first.

Deals found on 16/3

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 Qantas Airways fly from Philadelphia to Cairns in about 30h 29m. 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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