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Find cheap flights from Pennsylvania to Australia from $413

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 4/9. 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
Sun 4/28
Sun 5/5

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Good to know

Low season

May

High season

December

Cheapest flight

$413
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly with an average 37% 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

8/26Mon
2 stopsUnited Airlines
28h 04mPHL-SYD
9/9Mon
1 stopUnited Airlines
21h 05mSYD-PHL
$1,092
8/14Wed
2 stopsUnited Airlines
29h 25mPHL-SYD
8/18Sun
2 stopsUnited Airlines
26h 51mSYD-PHL
$1,096
9/1Sun
2 stopsAir New Zealand
38h 13mPHL-MEL
9/14Sat
2 stopsAir New Zealand
54h 45mMEL-PHL
$1,407
5/12Sun
2 stopsAir Canada
31h 15mPHL-SYD
5/29Wed
2 stopsAir Canada
26h 13mSYD-PHL
$1,464
5/29Wed
2 stopsAir Canada
25h 55mPIT-SYD
6/9Sun
3 stopsAir Canada
43h 26mSYD-PIT
$1,470
9/1Sun
2 stops
26h 50mPHL-MEL
9/14Sat
3 stops
29h 30mMEL-PHL
$1,513
5/12Sun
2 stopsAmerican Airlines
27h 12mPIT-SYD
5/24Fri
2 stopsAmerican Airlines
24h 47mSYD-PIT
$1,516
9/11Wed
2 stopsAir New Zealand
25h 43mPIT-SYD
9/18Wed
2 stopsAir New Zealand
26h 40mSYD-PIT
$1,522
4/15Mon
2 stopsAmerican Airlines
27h 11mPIT-SYD
4/28Sun
2 stopsAmerican Airlines
24h 27mSYD-PIT
$1,523
5/1Wed
3 stops
33h 20mPHL-MEL
5/15Wed
3 stops
30h 41mMEL-PHL
$1,531

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Recent one-way flight deals

4/9Tue
3 stops
58h 10mPHL-SYD
$413
4/9Tue
2 stops
55h 28mPHL-SYD
$423
4/11Thu
3 stops
52h 00mPHL-SYD
$448
4/8Mon
2 stopsAir New Zealand
25h 22mPHL-SYD
$929
6/17Mon
2 stopsAir New Zealand
24h 35mPHL-BNE
$1,053
7/14Sun
2 stopsJapan Airlines
31h 00mPHL-SYD
$1,187
7/14Sun
1 stopUnited Airlines
34h 08mPHL-SYD
$1,232
6/10Mon
2 stopsQantas Airways
30h 45mPHL-AVV
$1,238
6/21Fri
1 stopQantas Airways
22h 16mPHL-SYD
$1,279
4/8Mon
3 stopsUnited Airlines
28h 05mPHL-SYD
$1,677

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Last minute flights from Pennsylvania to Australia

Last minute flight, train and bus deals

4/3Wed
multi-stop
28h 33mPHL-SYD
4/10Wed
multi-stop
33h 40mSYD-PHL
$1,230
4/3Wed
multi-stop
35h 16mPHL-SYD
4/10Wed
multi-stop
33h 40mSYD-PHL
$1,340
4/1Mon
multi-stop
32h 15mPIT-SYD
4/12Fri
multi-stop
31h 42mSYD-PIT
$1,719
4/3Wed
multi-stopAir Canada
28h 00mPHL-SYD
4/10Wed
multi-stopAir Canada
34h 15mSYD-PHL
$1,803
4/1Mon
multi-stopAir New Zealand
25h 05mPIT-SYD
4/12Fri
multi-stopAir New Zealand
22h 01mSYD-PIT
$1,920
4/1Mon
multi-stopAir New Zealand
31h 00mPHL-MEL
4/10Wed
multi-stopAir New Zealand
25h 35mMEL-PHL
$1,971
4/3Wed
multi-stopUnited Airlines
22h 34mPHL-SYD
4/10Wed
multi-stopUnited Airlines
21h 00mSYD-PHL
$2,092
4/1Mon
multi-stopQatar Airways
30h 00mPHL-MEL
4/10Wed
multi-stopQatar Airways
39h 55mMEL-PHL
$2,261
4/1Mon
multi-stopQatar Airways
30h 00mPHL-MEL
4/10Wed
multi-stopQatar Airways
31h 55mMEL-PHL
$2,706
3/30Sat
multi-stopUnited Airlines
59h 55mPHL-MEL
4/10Wed
multi-stopUnited Airlines
41h 08mMEL-PHL
$3,050

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