$817+ 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 28 — Mar 71
1 adult, Economy
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1. Tell us where you want to go
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Philadelphia to Cairns
Cheapest flights from Philadelphia to CairnsExplore 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 29, 2026.
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 29, 2026.
This Qantas Airways deal was found by Cheapflights users on 1/26. 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 1/26![Qantas Airways logo]()
$1,548
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 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,548 (Qantas Airways) |
One-way from | $817 (BusinessClass) |
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 29, 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
$1,548
PhiladelphiaCairns
PHL - CNS
PHLCNS
Philadelphia
Tue 2/3
7:45 pm-8:30 am
3 stops45h 45m
$817
- 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.