Cheap flights from Philadelphia to Cairns from $740

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Cairns departing on 2/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Philadelphia to Cairns

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
2:31 pm - 4:15 pm
PHL
-
CNS
34h 44m
2 stops
Qantas Airways Logo
12:35 pm - 2:37 pm
CNS
-
PHL
65h 02m
2 stops
$1,545Qantas Airways
Sat, Feb 21 - Wed, Feb 25

momondo 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, momondo users made 832,500 searches. Data last updated January 21, 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

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

Tue 2/3

2:30 pm-9:20 am

2 stops27h 50m

$740

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Tue 2/3

7:45 pm-8:30 am

3 stops45h 45m

$814

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Tue 2/3

7:45 pm-8:30 am

3 stops45h 45m

$826

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Fri 7/3

8:30 am-10:50 pm

3 stops48h 20m

$3,915

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Fri 7/3

10:35 am-4:30 am

2 stops27h 55m

$5,037

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Cairns from

How to get the cheapest flight ticket from Philadelphia to Cairns

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Philadelphia to Cairns?

Qantas Airways is the most popular carrier operating from Philadelphia to Cairns

When to book flights from Philadelphia to Cairns

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Cairns according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Philadelphia to Cairns (PHL to CNS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Cairns

Fastest flight time

34h 44m

Direct flights

None
The fastest flight from Philadelphia to Cairns takes 34h 44m
There are no direct flights from Philadelphia to Cairns. There are no popular flight routes from Philadelphia to Cairns.
  • How far is Philadelphia to Cairns by plane?

    The distance between Philadelphia and Cairns is about 9515.7 mi. 34h 44m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Philadelphia Airport to Cairns Airport?

    Prices for flights from Philadelphia Airport to Cairns Airport refresh daily.

  • How old do you have to be to fly from Philadelphia Airport to Cairns Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Philadelphia Airport to Cairns Airport.

  • What documentation or ID do you need to fly to Cairns Airport?

    The travel and health documents you'll need for your trip to Cairns Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cairns Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Cairns?

Book flights to Cairns if you plan to visit one of these locations
Port Douglas
Mission Beach
Palm Cove
Trinity Beach

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Cairns?

It is quick and easy to find Philadelphia to Cairns flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Cairns that suits you.

Can I find flights from Philadelphia to Cairns with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Cairns from Philadelphia with this policy.

How can momondo help me find flights from Philadelphia to Cairns?

momondo provides multiple filters to help you find the best flight to Cairns from Philadelphia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Philadelphia to Cairns right now. Can momondo alert me if prices change?

Price alerts on flights to Cairns from Philadelphia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
Fri 2/20
Fri 2/27

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