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Cheap flights from Pennsylvania to Adelaide from $1,018

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ADL
10 Sep — 17 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Pennsylvania to Adelaide

Enter your travel dates to find the best prices.

Cheapest flights from Pennsylvania to Adelaide
Explore the most affordable flight options available from Pennsylvania to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 August 2026.

Thu 10/921:30 -
1 stop28h 00m
Thu 17/922:00 -
1 stop30h 00m
Deal found 9/8$1,695
Thu 10/921:30 -
1 stop28h 00m
Thu 17/922:00 -
1 stop30h 00m
Deal found 11/8$1,698
Thu 10/922:00 -
1 stop27h 30m
Thu 17/922:00 -
1 stop38h 00m
Deal found 11/8$1,703
Wed 2/901:20 -
1 stop48h 10m
Wed 16/922:00 -
1 stop30h 40m
Deal found 9/8$1,737
Sun 6/922:00 -
1 stop27h 30m
Sun 13/922:00 -
1 stop30h 40m
Deal found 7/8$1,754
Thu 3/922:00 -
1 stop27h 30m
Sat 19/922:00 -
1 stop30h 40m
Deal found 9/8$1,790
Thu 3/922:00 -
1 stop27h 30m
Sat 19/922:00 -
1 stop30h 40m
Deal found 10/8$1,791
Thu 10/921:30 -
2 stops47h 05m
Thu 17/918:20 -
2 stops33h 40m
Deal found 9/8$1,808
Mon 19/1018:05 -
2 stops34h 50m
Sun 1/1106:10 -
2 stops26h 09m
Deal found 8/8$1,830
Sun 6/918:05 -
2 stops34h 35m
Sun 13/921:20 -
2 stops32h 43m
Deal found 7/8$1,832
Wed 9/922:00 -
1 stop27h 30m
Wed 16/922:00 -
1 stop30h 40m
Deal found 10/8$1,845
Sun 6/922:00 -
1 stop27h 30m
Sun 13/906:00 -
2 stops40h 20m
Deal found 10/8$1,854

Find flight deals from Pennsylvania to Adelaide

Keep the following information in mind while searching for Pennsylvania to Adelaide flight deals. Data was last updated 11 August 2026.

Round-trip from

$1,695

One-way from

$1,018
JetBlue
  • JetBlue
  • 10/9-17/9
  • 2 total stops
  • 58h 00m total
  • Pennsylvania to Adelaide
Search Deals
9/11
  • 9/11
  • 3 total stops
  • 54h 15m total
  • Pennsylvania to Adelaide
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Pennsylvania to Adelaide 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, Cheapflights users made 647,157 searches. Data last updated 11 August 2026.
Use the filters below to find and compare flights from Pennsylvania to Adelaide that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PhiladelphiaAdelaide

PHL Philadelphia - ADL Adelaide

PHLADL

Philadelphia

Thu 10/9

21:30-15:00

1 stop28h 00m

Adelaide

Thu 17/9

22:00-14:30

1 stop30h 00m

$1,698

PhiladelphiaAdelaide

PHL Philadelphia - ADL Adelaide

PHLADL

Philadelphia

Thu 17/9

21:30-15:00

1 stop28h 00m

Adelaide

Thu 24/9

22:00-14:30

1 stop30h 00m

$1,954

PittsburghAdelaide

PIT Pittsburgh - ADL Adelaide

PITADL

Pittsburgh

Sat 14/11

07:00-10:55

2 stops36h 25m

Adelaide

Sun 22/11

12:05-13:06

3 stops40h 31m

$2,111

PhiladelphiaAdelaide

PHL Philadelphia - ADL Adelaide

PHLADL

Philadelphia

Sun 7/2

20:45-11:00

2 stops46h 45m

Adelaide

Thu 11/2

13:20-14:50

2 stops41h 00m

$2,114

Washington, D.C.Adelaide

IAD Washington, D.C. Dulles Intl - ADL Adelaide

IADADL

Washington, D.C. Dulles Intl

Mon 14/9

08:29-18:10

2 stops44h 11m

Adelaide

Mon 21/9

19:00-20:25

3 stops38h 55m

$2,117

PhiladelphiaAdelaide

PHL Philadelphia - ADL Adelaide

PHLADL

Philadelphia

Sun 7/2

09:15-13:55

3 stops37h 10m

Adelaide

Thu 11/2

06:00-22:56

3 stops32h 26m

$2,127
Fastest return journey

PittsburghAdelaide

PIT Pittsburgh - ADL Adelaide

PITADL

Pittsburgh

Tue 29/9

15:44-10:55

2 stops29h 41m

Adelaide

Mon 12/10

06:00-16:04

2 stops24h 34m

$2,152

PhiladelphiaAdelaide

PHL Philadelphia - ADL Adelaide

PHLADL

Philadelphia

Mon 28/12

09:30-09:30

1 stop32h 30m

Adelaide

Sat 9/1

06:00-21:20

2 stops30h 50m

$2,157

PhiladelphiaAdelaide

PHL Philadelphia - ADL Adelaide

PHLADL

Philadelphia

Sat 26/12

13:12-09:30

2 stops28h 48m

Adelaide

Sun 10/1

06:10-07:45

2 stops41h 05m

$2,168

PhiladelphiaAdelaide

PHL Philadelphia - ADL Adelaide

PHLADL

Philadelphia

Thu 24/12

19:40-09:30

2 stops70h 20m

Adelaide

Mon 11/1

14:55-21:20

1 stop21h 55m

$2,169

Flights are sorted by cheapest return flights first.

Deals found on 7/8

Showing 1-10 of 59 resultsSorted by cheapest first
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Best time to book a flight from Pennsylvania to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide from Pennsylvania with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Pennsylvania to Adelaide

No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania to Adelaide. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Adelaide from Pennsylvania?

    If you book a flight to Adelaide from Pennsylvania, you will be flying to Adelaide, which is the city’s only airport. Adelaide (ADL) is located 6.6 km from the centre of Adelaide.

  • How long is the flight from Pennsylvania to Adelaide?

    For as low as $2,152, Qatar Airways can have you in Adelaide from Pennsylvania in 29h 41m. The distance from Pennsylvania to Adelaide is about 16567 km. This flight may include one or multiple stops.

  • What are the most popular routes from Pennsylvania to Adelaide?

    The most popular flight routes from Pennsylvania to Adelaide are New York John F Kennedy Intl - Adelaide, New York LaGuardia - Adelaide and Newark - Adelaide.

  • Can I find deals for flights from Pennsylvania to Adelaide that include hotel bookings?

    Yes. In addition to deals on Pennsylvania to Adelaide flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Pennsylvania to Adelaide?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pennsylvania to Adelaide.

  • Can I find deals for business class flights from Pennsylvania to Adelaide?

    Yes. Cheapflights offers flight deals from Pennsylvania to Adelaide by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Adelaide?

Book flights to Adelaide if you plan to visit one of these locations
Glenelg

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Deals for Pennsylvania to Adelaide flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Pennsylvania to Adelaide?

Cheapflights simply makes it quick and affordable to book flights from Pennsylvania to Adelaide by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Pennsylvania to Adelaide with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Pennsylvania to Adelaide flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Pennsylvania to Adelaide become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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