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Find cheap flights from Pennsylvania to Australia from $827

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 5/14. 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
0 bags
Mon 6/3
Mon 6/10

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In the last 7 days travelers have searched 43,693,958 times on KAYAK, and here is why:

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Good to know

Low season

April

High season

December

Cheapest flight

$827
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly with an average 34% increase in price.
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 round-trip 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 round-trip flight deals

5/14Tue
2 stops
28h 26mPHL-SYD
5/18Sat
3 stops
30h 00mSYD-PHL
$1,129
5/14Tue
3 stops
31h 40mPHL-SYD
5/18Sat
3 stops
30h 00mSYD-PHL
$1,295
5/29Wed
2 stopsAir Canada
25h 55mPIT-SYD
6/9Sun
2 stopsAir Canada
26h 50mSYD-PIT
$1,327
8/26Mon
2 stopsAir New Zealand
24h 27mPHL-SYD
9/9Mon
2 stopsAir New Zealand
26h 35mSYD-PHL
$1,361
8/26Mon
2 stopsAir New Zealand
24h 27mPHL-SYD
9/9Mon
2 stopsAir New Zealand
24h 40mSYD-PHL
$1,362
5/29Wed
3 stopsAir Canada
49h 55mPIT-SYD
6/9Sun
2 stopsAir Canada
26h 50mSYD-PIT
$1,370
5/29Wed
1 stopUnited Airlines
23h 21mPIT-SYD
6/9Sun
1 stopUnited Airlines
20h 10mSYD-PIT
$1,523
5/29Wed
1 stopUnited Airlines
23h 21mPIT-SYD
6/9Sun
2 stopsUnited Airlines
25h 39mSYD-PIT
$1,528
8/14Wed
1 stopQantas Airways
23h 27mPHL-SYD
9/3Tue
1 stopQantas Airways
27h 44mSYD-PHL
$1,697
8/1Thu
1 stopQantas Airways
26h 33mPHL-SYD
8/16Fri
1 stopQantas Airways
27h 44mSYD-PHL
$1,726

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Recent one-way flight deals

5/14Tue
2 stops
28h 26mPHL-SYD
$827
5/16Thu
3 stops
47h 25mPIT-SYD
$829
8/14Wed
2 stopsUnited Airlines
30h 55mPHL-SYD
$952
8/14Wed
1 stopQantas Airways
22h 15mPHL-SYD
$975
6/1Sat
2 stopsAir Canada
49h 10mPHL-SYD
$1,144
5/14Tue
2 stopsAir Canada
25h 00mPIT-SYD
$1,254
5/15Wed
1 stopQantas Airways
24h 39mPHL-SYD
$1,311
5/22Wed
2 stopsAir New Zealand
37h 25mPHL-ADL
$1,346
5/22Wed
2 stopsAir New Zealand
32h 00mPHL-MEL
$1,394
5/19Sun
1 stopUnited Airlines
35h 57mPHL-MEL
$1,596

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Last minute flights from Pennsylvania to Australia

Last minute flight, train and bus deals

5/8Wed
multi-stop
30h 10mPHL-SYD
5/14Tue
multi-stop
31h 34mSYD-PHL
$1,739
5/6Mon
multi-stop
29h 19mPHL-SYD
5/13Mon
multi-stop
31h 33mSYD-PHL
$1,753
5/9Thu
multi-stopAir Canada
49h 10mPHL-SYD
5/14Tue
multi-stopAir Canada
44h 08mSYD-PHL
$1,960
5/9Thu
multi-stopAir Canada
49h 10mPHL-SYD
5/16Thu
multi-stopAir Canada
26h 13mSYD-PHL
$2,002
5/6Mon
multi-stopQatar Airways
44h 50mPIT-MEL
5/8Wed
multi-stopQatar Airways
36h 12mMEL-PIT
$2,040
5/7Tue
multi-stopAir New Zealand
21h 33mPIT-SYD
5/14Tue
multi-stopAir New Zealand
26h 03mSYD-PIT
$2,200
5/6Mon
multi-stopAir New Zealand
30h 15mPIT-SYD
5/8Wed
multi-stopAir New Zealand
41h 51mSYD-PIT
$2,210
5/6Mon
multi-stopQantas Airways
36h 25mPIT-MEL
5/8Wed
multi-stopQantas Airways
21h 20mMEL-PIT
$2,515
5/6Mon
multi-stopQantas Airways
24h 39mPHL-SYD
5/13Mon
multi-stopQantas Airways
28h 34mSYD-PHL
$2,607
5/6Mon
multi-stopQatar Airways
30h 24mPHL-SYD
5/11Sat
multi-stopQatar Airways
38h 30mSYD-PHL
$2,717

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