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Find cheap flights from Pennsylvania to Australia from $1,158

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Pennsylvania to Australia departing on 7/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
Mon 27/5
Mon 3/6

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In the last 7 days, travellers have searched 43,623,357 times on KAYAK, and here's why:

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Good to know

Low season

September

High season

December

Cheapest flight

$1,158
Best time to beat the crowds (14% less expensive on average)
Most popular time to fly (34% more expensive on average)
Flight from Philadelphia to Sydney

FAQs for booking flights from Pennsylvania to Australia

  • How does KAYAK find such low prices on flights from Pennsylvania to Australia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Pennsylvania to Australia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to Australia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Australia from Pennsylvania is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Pennsylvania to Australia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Australia with an airline and back to Pennsylvania with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Pennsylvania to Australia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Australia from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Pennsylvania to Australia

Recent return flight deals

7/6Fri
3 stops
34h 08mPIT-SYD
16/6Sun
3 stops
35h 30mSYD-PIT
$1,830
7/6Fri
3 stops
34h 08mPIT-SYD
16/6Sun
2 stops
29h 05mSYD-PIT
$1,942
26/8Mon
2 stopsAir New Zealand
24h 27mPHL-SYD
9/9Mon
2 stopsAir New Zealand
24h 40mSYD-PHL
$2,084
13/8Tue
2 stopsAir New Zealand
24h 30mPHL-SYD
27/8Tue
2 stopsAir New Zealand
43h 21mSYD-PHL
$2,101
8/9Sun
1 stopUnited Airlines
22h 22mPHL-SYD
17/9Tue
1 stopUnited Airlines
21h 12mSYD-PHL
$2,228
11/9Wed
3 stopsUnited Airlines
28h 05mPHL-SYD
22/9Sun
2 stopsUnited Airlines
22h 19mSYD-PHL
$2,234
29/5Wed
2 stopsAmerican Airlines
27h 12mPIT-SYD
9/6Sun
2 stopsAmerican Airlines
25h 45mSYD-PIT
$2,245
16/8Fri
2 stopsAmerican Airlines
29h 42mPHL-SYD
21/8Wed
1 stopAmerican Airlines
22h 40mSYD-PHL
$2,291
10/10Thu
2 stopsAir Canada
49h 10mPHL-SYD
29/10Tue
2 stopsAir Canada
43h 37mSYD-PHL
$2,303
11/9Wed
3 stopsAir Canada
49h 10mPHL-SYD
22/9Sun
3 stopsAir Canada
44h 11mSYD-PHL
$2,321

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Recent one-way flight deals

7/5Tue
2 stops
51h 31mPHL-SYD
$1,158
7/5Tue
2 stops
51h 31mPHL-SYD
$1,168
7/5Tue
3 stops
36h 26mPHL-SYD
$1,197
7/5Tue
3 stops
36h 26mPHL-SYD
$1,207
15/5Wed
3 stops
37h 46mPHL-SYD
$1,311
15/5Wed
2 stops
36h 36mPHL-SYD
$1,356
20/10Sun
2 stopsUnited Airlines
28h 05mPHL-SYD
$1,457
20/10Sun
1 stopQatar Airways
30h 15mPHL-SYD
$1,486
20/10Sun
3 stopsUnited Airlines
52h 05mPHL-SYD
$1,513
3/6Mon
3 stops
54h 51mPIT-BNE
$1,595

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Last minute flights from Pennsylvania to Australia

Last minute flight, train and bus deals

1/5Wed
multi-stop
28h 26mPHL-SYD
5/5Sun
multi-stop
33h 40mSYD-PHL
$2,474
1/5Wed
multi-stop
35h 16mPHL-SYD
5/5Sun
multi-stop
33h 40mSYD-PHL
$2,580
1/5Wed
multi-stop
28h 26mPHL-SYD
8/5Wed
multi-stop
31h 15mSYD-PHL
$2,868
30/4Tue
multi-stopQatar Airways
33h 52mPIT-ADL
22/5Wed
multi-stopQatar Airways
39h 16mADL-PIT
$3,076
30/4Tue
multi-stopQatar Airways
33h 52mPIT-ADL
21/5Tue
multi-stopQatar Airways
36h 50mADL-PIT
$3,221
1/5Wed
multi-stopAir Canada
34h 40mPIT-SYD
8/5Wed
multi-stopAir Canada
43h 26mSYD-PIT
$3,260
1/5Wed
multi-stopAir Canada
34h 40mPIT-SYD
8/5Wed
multi-stopAir Canada
43h 26mSYD-PIT
$3,269
1/5Wed
multi-stopAir New Zealand
22h 34mPHL-SYD
8/5Wed
multi-stopAir New Zealand
26h 57mSYD-PHL
$3,367
1/5Wed
multi-stopAir New Zealand
22h 34mPHL-SYD
8/5Wed
multi-stopAir New Zealand
26h 57mSYD-PHL
$3,420
1/5Wed
multi-stopUnited Airlines
21h 33mPIT-SYD
8/5Wed
multi-stopUnited Airlines
22h 01mSYD-PIT
$4,156

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Flights to Australia