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Cheap flights from Pennsylvania to Adelaide from $729

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 15/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ADL
26 Jul — 2 Aug1
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 26 June 2026.

Sun 9/818:05
EWR
-
ADL
2 stops30h 20m
Air Canada
Sun 16/819:00
ADL
-
EWR
2 stops35h 03m
Air Canada
Deal found 25/6$1,973
Sun 9/808:15
EWR
-
ADL
2 stops40h 00m
United Airlines
Sun 16/806:05
ADL
-
EWR
2 stops29h 10m
United Airlines
Deal found 25/6$1,977
Sun 9/819:20
JFK
-
ADL
2 stops28h 50m
American Airlines
Sun 16/813:25
ADL
-
JFK
2 stops30h 06m
American Airlines
Deal found 25/6$1,990
Sat 8/821:30
PHL
-
ADL
2 stops34h 10m
Qatar Airways
Sat 15/822:00
ADL
-
PHL
1 stop30h 35m
Qatar Airways
Deal found 24/6$1,992
Wed 24/617:23
PIT
-
ADL
2 stops28h 02m
Multiple Airlines
Tue 30/620:10
ADL
-
PIT
2 stops34h 11m
Multiple Airlines
Deal found 23/6$1,992
Wed 5/821:30
PHL
-
ADL
1 stop28h 00m
Qatar Airways
Wed 12/807:40
ADL
-
PHL
2 stops44h 55m
Qatar Airways
Deal found 21/6$1,995
Wed 21/1008:20
DCA
-
ADL
2 stops36h 05m
Air New Zealand
Wed 18/1112:05
ADL
-
DCA
2 stops25h 18m
Air New Zealand
Deal found 24/6$2,013
Wed 21/1012:52
IAD
-
ADL
2 stops31h 33m
Air New Zealand
Wed 18/1112:05
ADL
-
IAD
2 stops28h 01m
Air New Zealand
Deal found 24/6$2,013
Thu 6/818:05
EWR
-
ADL
2 stops30h 20m
Multiple Airlines
Sat 29/817:15
ADL
-
EWR
2 stops36h 48m
Multiple Airlines
Deal found 22/6$2,038
Thu 6/819:20
JFK
-
ADL
2 stops35h 05m
Qantas Airways
Sat 29/812:40
ADL
-
JFK
2 stops45h 50m
Qantas Airways
Deal found 22/6$2,086
Fri 18/922:00
JFK
-
ADL
2 stops43h 30m
Qatar Airways
Tue 22/922:00
ADL
-
JFK
1 stop38h 00m
Qatar Airways
Deal found 24/6$2,099
Tue 29/912:15
PIT
-
ADL
3 stops34h 05m
Multiple Airlines
Mon 12/1020:00
ADL
-
PIT
3 stops39h 07m
Multiple Airlines
Deal found 21/6$2,113

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 26 June 2026.

Round-trip from

$1,973

One-way from

$729
Air Canada
  • Air Canada
  • 9/8-16/8
  • 4 total stops
  • 65h 23m total
  • Pennsylvania to Adelaide
Search Deals
15/8
  • 15/8
  • 3 total stops
  • 36h 35m 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 26 June 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 - ADL

PHLADL

Philadelphia

Sat 8/8

21:30-21:10

2 stops34h 10m

Adelaide

Sat 15/8

22:00-15:05

1 stop30h 35m

$1,992

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Wed 5/8

21:30-19:10

2 stops32h 10m

Adelaide

Wed 12/8

18:20-15:05

2 stops34h 15m

$2,035

PittsburghAdelaide

PIT - ADL

PITADL

Pittsburgh

Tue 29/9

12:15-11:50

3 stops34h 05m

Adelaide

Mon 12/10

20:00-20:37

3 stops39h 07m

$2,113

PittsburghAdelaide

PIT - ADL

PITADL

Pittsburgh

Thu 6/8

17:23-13:45

2 stops30h 52m

Adelaide

Thu 13/8

20:00-20:47

3 stops38h 17m

$2,134

New YorkAdelaide

JFK - ADL

JFKADL

New York John F Kennedy Intl

Fri 7/8

06:00-09:25

2 stops37h 55m

Adelaide

Fri 14/8

19:45-18:35

2 stops36h 20m

$2,163
Fastest return journey

PittsburghAdelaide

PIT - ADL

PITADL

Pittsburgh

Tue 29/9

15:44-10:55

2 stops29h 41m

Adelaide

Mon 12/10

06:00-16:46

2 stops25h 16m

$2,170

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Wed 5/8

09:25-11:05

2 stops36h 10m

Adelaide

Wed 12/8

06:05-12:23

3 stops43h 48m

$2,178

NewarkAdelaide

EWR - ADL

EWRADL

Newark

Wed 22/7

18:00-11:10

2 stops27h 40m

Adelaide

Sat 22/8

16:30-23:49

2 stops44h 49m

$2,254

New YorkAdelaide

JFK - ADL

JFKADL

New York John F Kennedy Intl

Fri 7/8

22:00-07:00

2 stops43h 30m

Adelaide

Fri 14/8

22:00-22:30

1 stop38h 00m

$2,328

NewarkAdelaide

EWR - ADL

EWRADL

Newark

Fri 7/8

18:45-11:05

2 stops26h 50m

Adelaide

Fri 14/8

06:05-21:49

2 stops29h 14m

$2,338

Flights are sorted by cheapest return flights first.

Deals found on 23/6

Showing 1-10 of 60 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 $2,134, Qatar Airways can have you in Adelaide from Pennsylvania in 30h 52m. 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, Washington, D.C. Reagan-National - Adelaide and Washington, D.C. Dulles Intl - 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.

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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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