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Cheap flights from Pennsylvania to Adelaide from $1,309

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 28/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ADL
3 Mar — 10 Mar1
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 1 February 2026.

Wed 1/418:00
EWR
-
ADL
2 stops33h 55m
Multiple Airlines
Wed 15/418:55
ADL
-
EWR
2 stops35h 05m
Multiple Airlines
Deal found 30/1$1,563
Sat 16/516:10
IAD
-
ADL
3 stops30h 10m
Multiple Airlines
Sat 30/517:15
ADL
-
IAD
3 stops41h 20m
Multiple Airlines
Deal found 31/1$1,590
Mon 2/215:10
EWR
-
ADL
2 stops26h 50m
United Airlines
Mon 16/214:55
ADL
-
EWR
1 stop23h 46m
United Airlines
Deal found 31/1$1,599
Mon 9/314:59
LGA
-
ADL
2 stops27h 51m
United Airlines
Mon 16/314:15
ADL
-
LGA
2 stops23h 59m
United Airlines
Deal found 1/2$1,606
Sun 15/221:55
EWR
-
ADL
2 stops44h 05m
United Airlines
Wed 18/314:15
ADL
-
EWR
1 stop23h 26m
United Airlines
Deal found 31/1$1,606
Tue 3/213:40
JFK
-
ADL
2 stops34h 35m
Cathay Pacific
Sun 8/212:00
ADL
-
JFK
1 stop46h 35m
Cathay Pacific
Deal found 1/2$1,612
Tue 14/409:40
DCA
-
ADL
2 stops36h 40m
Singapore Airlines
Fri 24/419:00
ADL
-
DCA
2 stops38h 23m
Singapore Airlines
Deal found 31/1$1,619
Tue 14/409:00
IAD
-
ADL
2 stops37h 20m
Singapore Airlines
Fri 24/420:00
ADL
-
IAD
2 stops37h 59m
Singapore Airlines
Deal found 31/1$1,619
Thu 16/420:29
EWR
-
ADL
3 stops53h 56m
Air Canada
Thu 23/419:00
ADL
-
EWR
2 stops35h 00m
Air Canada
Deal found 31/1$1,643
Sat 28/218:25
EWR
-
ADL
2 stops36h 35m
Air Canada
Sat 7/318:55
ADL
-
EWR
2 stops36h 28m
Air Canada
Deal found 30/1$1,664
Sat 14/218:00
EWR
-
ADL
1 stop24h 00m
United Airlines
Mon 16/314:15
ADL
-
EWR
1 stop25h 28m
United Airlines
Deal found 31/1$1,671
Wed 1/418:00
EWR
-
ADL
2 stops33h 55m
Air Canada
Wed 15/419:00
ADL
-
EWR
3 stops40h 16m
Air Canada
Deal found 30/1$1,672

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 1 February 2026.

Round-trip from

$1,563

One-way from

$1,309
Air Canada
  • Air Canada
  • 1/4-15/4
  • 4 total stops
  • 69h 00m total
  • Pennsylvania to Adelaide
Search Deals
28/5
  • 28/5
  • 3 total stops
  • 45h 45m 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 1 February 2026.
Use the filters below to find and compare flights from Pennsylvania to Adelaide that are best for you.

Fly from

Pennsylvania

Fly to

Adelaide

Route

Depart

Return

Price

NewarkAdelaide

EWR - ADL

EWRADL

Newark

Mon 16/2

15:00-09:30

1 stop27h 00m

Adelaide

Wed 18/3

14:15-05:59

1 stop30h 14m

$1,599

NewarkAdelaide

EWR - ADL

EWRADL

Newark

Mon 9/3

18:10-09:20

1 stop24h 40m

Adelaide

Wed 18/3

14:15-23:11

1 stop23h 26m

$1,599

NewarkAdelaide

EWR - ADL

EWRADL

Newark

Mon 9/3

18:10-09:20

1 stop24h 40m

Adelaide

Mon 16/3

14:15-05:59

1 stop30h 14m

$1,599

NewarkAdelaide

EWR - ADL

EWRADL

Newark

Mon 16/2

18:00-09:30

1 stop24h 00m

Adelaide

Mon 16/3

14:15-21:33

1 stop21h 48m

$1,599

New YorkAdelaide

LGA - ADL

LGAADL

New York LaGuardia

Mon 9/3

15:20-09:20

2 stops27h 30m

Adelaide

Wed 18/3

14:15-23:25

2 stops23h 40m

$1,606

New YorkAdelaide

LGA - ADL

LGAADL

New York LaGuardia

Mon 9/3

14:59-09:20

2 stops27h 51m

Adelaide

Mon 16/3

14:15-23:44

2 stops23h 59m

$1,606

NewarkAdelaide

EWR - ADL

EWRADL

Newark

Sun 15/2

21:55-09:30

2 stops44h 05m

Adelaide

Wed 18/3

14:15-23:11

1 stop23h 26m

$1,606

NewarkAdelaide

EWR - ADL

EWRADL

Newark

Thu 19/2

15:00-09:30

1 stop27h 00m

Adelaide

Wed 18/3

14:15-23:11

1 stop23h 26m

$1,671

NewarkAdelaide

EWR - ADL

EWRADL

Newark

Thu 19/2

14:00-09:30

1 stop28h 00m

Adelaide

Mon 16/3

14:15-21:33

1 stop21h 48m

$1,671

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Fri 1/5

06:59-13:55

3 stops41h 26m

Adelaide

Mon 4/5

20:00-19:58

3 stops37h 28m

$1,742

Flights are sorted by cheapest return flights first.

Deals found on 31/1

Showing 1-10 of 35 results
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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 $1,599, United Airlines can have you in Adelaide from Pennsylvania in 27h. The distance from Pennsylvania to Adelaide is about 17078 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, Newark - 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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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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