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Cheap flights from Pennsylvania to Adelaide from $1,275

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 31/12. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ADL
11 Jan — 18 Jan1
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 12 December 2025.

Thu 25/1218:25PHL - ADL
1 stop23h 35mUnited Airlines
Mon 12/114:55ADL - PHL
1 stop22h 27mUnited Airlines
Deal found 9/12$2,160
Wed 31/1207:50LGA - ADL
3 stops35h 35mMultiple Airlines
Fri 16/107:05ADL - LGA
3 stops26h 23mMultiple Airlines
Deal found 10/12$2,400
Wed 31/1209:05EWR - ADL
2 stops34h 20mMultiple Airlines
Fri 16/110:55ADL - EWR
3 stops40h 17mMultiple Airlines
Deal found 10/12$2,507
Wed 31/1217:45JFK - ADL
2 stops28h 30mQantas Airways
Fri 16/106:25ADL - JFK
2 stops25h 31mQantas Airways
Deal found 10/12$2,517
Tue 30/1215:30JFK - ADL
2 stops30h 45mQantas Airways
Wed 25/309:00ADL - JFK
2 stops37h 00mQantas Airways
Deal found 9/12$2,547
Mon 29/1217:15JFK - ADL
2 stops37h 45mQantas Airways
Tue 24/306:25ADL - JFK
2 stops27h 33mQantas Airways
Deal found 11/12$2,559
Tue 30/1209:41JFK - ADL
2 stops35h 29mMultiple Airlines
Wed 25/312:00ADL - JFK
1 stop39h 30mMultiple Airlines
Deal found 9/12$2,806
Mon 29/1209:05EWR - ADL
2 stops36h 00mMultiple Airlines
Tue 24/310:55ADL - EWR
3 stops39h 04mMultiple Airlines
Deal found 9/12$2,860
Wed 24/1222:33IAD - ADL
2 stops43h 27mUnited Airlines
Mon 12/114:55ADL - IAD
2 stops23h 57mUnited Airlines
Deal found 12/12$2,881
Tue 30/1221:58EWR - ADL
2 stops68h 02mUnited Airlines
Wed 25/313:55ADL - EWR
1 stop31h 50mUnited Airlines
Deal found 9/12$2,915
Tue 23/1222:33IAD - ADL
2 stops67h 27mUnited Airlines
Mon 12/114:55ADL - IAD
2 stops29h 59mUnited Airlines
Deal found 10/12$2,915
Fri 12/1216:30JFK - ADL
2 stops27h 50mAmerican Airlines
Wed 31/1211:40ADL - JFK
2 stops27h 36mAmerican Airlines
Deal found 9/12$3,115

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 12 December 2025.

Round-trip from

$1,553

One-way from

$1,275
Air Canada
  • Air Canada
  • 25/1-1/2
  • 4 total stops
  • 62h 54m total
  • Pennsylvania to Adelaide
Search Deals
31/12
  • 31/12
  • 3 total stops
  • 35h 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 12 December 2025.
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

Sun 25/1

18:25-22:30

2 stops36h 35m

Adelaide

Sun 1/2

06:10-16:59

2 stops26h 19m

$1,554

NewarkAdelaide

EWR - ADL

EWRADL

Newark

Sun 12/4

14:30-11:50

3 stops31h 50m

Adelaide

Mon 1/6

20:00-21:02

2 stops38h 32m

$1,567

NewarkAdelaide

EWR - ADL

EWRADL

Newark

Mon 9/2

18:25-19:10

2 stops33h 15m

Adelaide

Thu 19/2

06:10-16:53

2 stops26h 13m

$1,613

NewarkAdelaide

EWR - ADL

EWRADL

Newark

Mon 9/2

18:25-19:10

2 stops33h 15m

Adelaide

Thu 19/2

06:00-20:35

3 stops30h 05m

$1,630

NewarkAdelaide

EWR - ADL

EWRADL

Newark

Sat 7/2

18:25-19:10

2 stops33h 15m

Adelaide

Sun 15/2

06:25-21:59

3 stops31h 04m

$1,664

New YorkAdelaide

LGA - ADL

LGAADL

New York LaGuardia

Sun 12/4

15:30-13:55

3 stops32h 55m

Adelaide

Mon 1/6

20:00-22:36

3 stops40h 06m

$1,670

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 26/1

20:40-19:10

3 stops55h 00m

Adelaide

Mon 2/2

06:00-19:59

3 stops29h 29m

$1,724

New YorkAdelaide

LGA - ADL

LGAADL

New York LaGuardia

Sat 7/2

13:05-13:55

3 stops33h 20m

Adelaide

Sun 15/2

06:25-22:33

3 stops31h 38m

$1,771

NewarkAdelaide

EWR - ADL

EWRADL

Newark

Fri 23/1

18:25-16:20

2 stops30h 25m

Adelaide

Mon 2/2

06:10-16:53

2 stops26h 13m

$1,781

NewarkAdelaide

EWR - ADL

EWRADL

Newark

Thu 5/2

18:25-13:55

2 stops28h 00m

Adelaide

Mon 9/2

19:55-22:48

3 stops42h 23m

$1,795

Flights are sorted by cheapest return flights first.

Deals found on 10/12

Showing 1-10 of 60 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 $1,808, Air Canada can have you in Adelaide from Pennsylvania in 27h 36m. The distance from Pennsylvania to Adelaide is about 16797 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 New York LaGuardia - 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?

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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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