Find flights
When to book
FAQs & Tips
Deals

Find cheap flights from Pennsylvania to Australia from $555

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 9/18. 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
Sat 6/15
Sat 6/22

Search hundreds of travel sites at once for deals on flights to Australia

In the last 7 days travelers have searched 42,211,976 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Good to know

Low season

April

High season

December

Cheapest flight

$555
Best time to beat the crowds with an average 15% drop in price.
Most popular time to fly with an average 27% increase in price.
Flight from Washington Dulles Airport 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

9/3Tue
2 stopsAmerican Airlines
29h 13mEWR-SYD
9/17Tue
2 stopsAmerican Airlines
26h 59mSYD-EWR
$1,024
9/8Sun
2 stopsAmerican Airlines
23h 32mEWR-SYD
2/5Wed
2 stopsAmerican Airlines
24h 32mSYD-EWR
$1,025
10/20Sun
1 stopQantas Airways
24h 15mJFK-SYD
10/27Sun
1 stopQantas Airways
22h 05mSYD-JFK
$1,109
10/30Wed
2 stopsAir Canada
30h 35mJFK-SYD
11/18Mon
2 stopsAir Canada
25h 07mSYD-JFK
$1,127
11/10Sun
2 stopsAir Canada
28h 30mLGA-SYD
11/24Sun
2 stopsAir Canada
24h 58mSYD-LGA
$1,127
9/8Sun
1 stopQantas Airways
24h 15mJFK-SYD
11/1Fri
1 stopQantas Airways
23h 45mSYD-JFK
$1,151
11/10Sun
3 stops
32h 10mJFK-MEL
11/24Sun
3 stops
31h 21mMEL-JFK
$1,162
8/23Fri
3 stops
31h 40mEWR-MEL
8/31Sat
3 stops
29h 00mMEL-EWR
$1,244
11/10Sun
1 stopQatar Airways
30h 05mJFK-MEL
11/19Tue
1 stopQatar Airways
39h 40mMEL-JFK
$1,295
11/1Fri
1 stopQatar Airways
34h 45mJFK-MEL
11/10Sun
1 stopQatar Airways
32h 35mMEL-JFK
$1,319

Search by stops

Search by airline

Search by price

Recent one-way flight deals

9/18Wed
2 stops
41h 40mIAD-SYD
$555
8/23Fri
2 stops
39h 40mJFK-SYD
$565
9/23Mon
2 stopsIberia
34h 00mJFK-MEL
$792
8/23Fri
2 stopsIberia
34h 25mJFK-SYD
$804
8/28Wed
1 stopAlaska Airlines
35h 10mEWR-SYD
$813
9/25Wed
1 stopAlaska Airlines
25h 15mEWR-SYD
$815
8/20Tue
1 stopPhilippine Airlines
41h 05mJFK-SYD
$856
8/24Sat
1 stopPhilippine Airlines
41h 05mJFK-SYD
$880
9/3Tue
1 stopCathay Pacific
30h 20mJFK-MEL
$911
8/26Mon
1 stopCathay Pacific
28h 15mJFK-SYD
$928

Search by stops

Search by airline

Search by price

Last minute flights from Pennsylvania to Australia

Last minute flight, train and bus deals

5/20Mon
multi-stopQantas Airways
23h 00mJFK-MEL
5/27Mon
multi-stopQantas Airways
20h 55mMEL-JFK
$1,294
5/20Mon
multi-stopQantas Airways
26h 25mJFK-MEL
5/27Mon
multi-stopQantas Airways
20h 55mMEL-JFK
$1,302
5/20Mon
multi-stopUnited Airlines
24h 10mEWR-MEL
5/29Wed
multi-stopUnited Airlines
21h 08mMEL-EWR
$1,333
5/21Tue
multi-stopAmerican Airlines
25h 35mJFK-SYD
5/27Mon
multi-stopAmerican Airlines
23h 51mSYD-JFK
$1,363
5/20Mon
multi-stopAmerican Airlines
23h 36mJFK-SYD
5/29Wed
multi-stopAmerican Airlines
24h 45mSYD-JFK
$1,366
5/20Mon
multi-stopAir Canada
31h 10mLGA-SYD
5/29Wed
multi-stopAir Canada
25h 26mSYD-LGA
$1,382
5/20Mon
multi-stopUnited Airlines
24h 10mEWR-MEL
5/31Fri
multi-stopUnited Airlines
21h 08mMEL-EWR
$1,383
5/18Sat
multi-stop
26h 51mIAD-SYD
5/28Tue
multi-stop
37h 25mSYD-IAD
$1,442
5/21Tue
multi-stop
38h 45mIAD-SYD
5/28Tue
multi-stop
30h 25mSYD-IAD
$1,445
5/21Tue
multi-stopAir Canada
30h 50mLGA-SYD
5/28Tue
multi-stopAir Canada
27h 06mSYD-LGA
$1,471

Search by stops

Search by airline

Search by price