Cheap flights from Adelaide to Pennsylvania from $723

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — PHL
13 Oct — 20 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Adelaide to Pennsylvania

Keep the following information in mind while searching for Adelaide to Pennsylvania flight deals. Data was last updated 13 September 2025.

Round-trip from

$1,419

One-way from

$723

Popular in

December

Cheapest in

March

Average price

$2,715
United Airlines
  • United Airlines
  • 18/2-22/2
  • 4 total stops
  • 70h 02m total
  • Adelaide to Pennsylvania
15/10
  • 15/10
  • 3 total stops
  • 47h 09m total
  • Adelaide to Pennsylvania
Highest demand for flights based on searches. 14% potential increase in price ($682 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($134 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from Adelaide to Pennsylvania

Cheapest flights from Adelaide to Pennsylvania
Explore the most affordable flight options available from Adelaide to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 September 2025.

Tue 21/1006:10ADL - EWR
2 stops31h 41mAir Canada
Sat 25/1018:20EWR - ADL
2 stops37h 40mAir Canada
Deal found 10/9$1,425
Mon 3/1106:10ADL - EWR
2 stops26h 13mAir Canada
Mon 10/1120:30EWR - ADL
3 stops54h 10mAir Canada
Deal found 12/9$1,461
Mon 3/1108:45ADL - JFK
1 stop21h 10mQantas Airways
Mon 10/1117:15JFK - ADL
1 stop29h 00mQantas Airways
Deal found 12/9$1,502
Mon 3/1106:10ADL - EWR
2 stops26h 13mMultiple Airlines
Mon 10/1118:25EWR - ADL
2 stops27h 50mMultiple Airlines
Deal found 12/9$1,508
Sun 26/1020:55ADL - EWR
2 stops48h 34mMultiple Airlines
Sun 2/1109:00EWR - ADL
2 stops33h 20mMultiple Airlines
Deal found 11/9$1,559
Mon 3/1107:50ADL - LGA
2 stops28h 41mAmerican Airlines
Mon 10/1116:00LGA - ADL
2 stops28h 20mAmerican Airlines
Deal found 12/9$1,600
Sun 26/1019:00ADL - JFK
2 stops34h 55mQantas Airways
Sun 2/1117:15JFK - ADL
1 stop27h 05mQantas Airways
Deal found 11/9$1,631
Sat 25/1013:50ADL - EWR
2 stops32h 19mQantas Airways
Sat 1/1117:20EWR - ADL
2 stops49h 35mQantas Airways
Deal found 9/9$1,634
Sun 26/1007:50ADL - JFK
2 stops26h 35mAmerican Airlines
Sun 2/1117:15JFK - ADL
2 stops29h 00mAmerican Airlines
Deal found 11/9$1,640
Sat 25/1006:00ADL - JFK
2 stops24h 50mQantas Airways
Sat 1/1118:15JFK - ADL
2 stops27h 05mQantas Airways
Deal found 10/9$1,673
Tue 21/1006:10ADL - EWR
2 stops25h 19mAir Canada
Fri 24/1008:15EWR - ADL
2 stops46h 15mAir Canada
Deal found 10/9$1,682
Tue 28/1006:05ADL - PHL
2 stops28h 44mQantas Airways
Tue 4/1115:55PHL - ADL
2 stops30h 15mQantas Airways
Deal found 12/9$1,685

Cheapflights Fare Finder

 
Customise your flight search to find flights from Adelaide to Pennsylvania 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 13 September 2025.
Use the filters below to find and compare flights from Adelaide to Pennsylvania that are best for you.

Fly from

Adelaide

Fly to

Pennsylvania

Route

Depart

Return

Price

AdelaideNew York

ADL - LGA

ADLLGA

Adelaide

Wed 18/2

14:55-23:16

2 stops23h 51m

New York LaGuardia

Sun 22/2

19:55-09:30

2 stops46h 05m

$1,416

AdelaideNewark

ADL - EWR

ADLEWR

Adelaide

Tue 21/10

06:10-23:21

2 stops31h 41m

Newark

Sat 25/10

18:20-22:30

2 stops37h 40m

$1,425

AdelaideNew York

ADL - LGA

ADLLGA

Adelaide

Wed 18/2

06:00-22:33

3 stops32h 03m

New York LaGuardia

Sun 22/2

19:50-13:55

3 stops50h 35m

$1,467

AdelaideNewark

ADL - EWR

ADLEWR

Adelaide

Mon 9/2

14:55-08:27

1 stop33h 02m

Newark

Fri 20/2

20:00-09:30

1 stop46h 00m

$1,490

AdelaideNew York

ADL - JFK

ADLJFK

Adelaide

Mon 3/11

08:45-14:25

1 stop21h 10m

New York John F Kennedy Intl

Mon 10/11

17:15-13:45

2 stops29h 00m

$1,502

AdelaideNewark

ADL - EWR

ADLEWR

Adelaide

Mon 3/11

06:10-16:53

2 stops26h 13m

Newark

Mon 10/11

18:25-13:45

2 stops27h 50m

$1,508

AdelaideNewark

ADL - EWR

ADLEWR

Adelaide

Mon 9/2

06:10-16:53

2 stops26h 13m

Newark

Fri 20/2

18:25-16:10

2 stops30h 15m

$1,512

AdelaideNew York

ADL - LGA

ADLLGA

Adelaide

Mon 9/2

19:55-22:33

3 stops42h 08m

New York LaGuardia

Fri 20/2

15:30-16:10

3 stops33h 10m

$1,538

AdelaideNewark

ADL - EWR

ADLEWR

Adelaide

Sun 26/10

20:55-06:59

2 stops48h 34m

Newark

Sun 2/11

09:00-09:50

2 stops33h 20m

$1,559

AdelaideNew York

ADL - JFK

ADLJFK

Adelaide

Mon 9/2

07:50-19:00

2 stops26h 40m

New York John F Kennedy Intl

Fri 20/2

15:30-13:45

2 stops30h 45m

$1,571

Flights are sorted by cheapest return flights first.

Deals found on 12/9

Showing 1-10 of 51 results
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Best time to book a flight from Adelaide to Pennsylvania

Have a flexible travel schedule? Discover the best time to fly to Pennsylvania from Adelaide 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 Adelaide to Pennsylvania

What is the cheapest time of day to fly from ADL to PA?

Find hourly flight availability from Adelaide to Pennsylvania. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Adelaide to Pennsylvania as you normally would.

How much does it cost for a return flight from Adelaide to Pennsylvania?

Reviews of airlines servicing Pennsylvania

Get insights into the airlines that provide service to Pennsylvania. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pennsylvania. Reviews last updated 13 September 2025.
Check out reviews from past customers who have flown with Qantas Airways, Qatar Airways, andUnited Airlines from Adelaide to Pennsylvania to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.2

Comfort

7.5

Boarding

7.7

Food

6.9

Crew

8.2

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Entertainment

7.2

Comfort

7.5

Boarding

7.7

Food

6.9

Crew

8.2

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Entertainment

7.2

Comfort

7.5

Boarding

7.7

Food

6.9

Crew

8.2

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Entertainment

7.2

Comfort

7.5

Boarding

7.7

Food

6.9

Crew

8.2

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Related info for your journey

Find useful and relevant information for your journey from Adelaide to Pennsylvania. 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 from for flights from Adelaide to Pennsylvania?

    Most people fly from Adelaide (ADL) if they book a flight from Adelaide to Pennsylvania. Adelaide is conveniently located just 6.6 km from Adelaide’s city centre.

  • How long is the flight from Adelaide to Pennsylvania?

    There are many flights that can get you from Adelaide to Pennsylvania in 21h 10m. Fly via United Airlines, Air Canada, or Qantas Airways to get the fastest option. There are 17112 km between Adelaide and Pennsylvania. This flight may include one or multiple stops.

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Adelaide to Pennsylvania 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

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Top 3 airlines flying from Adelaide to Pennsylvania

Discover the top 3 airlines that operate flights from Adelaide to Pennsylvania. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 13 September 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,696Average$2,386FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qantas AirwaysCheapest$1,885Average$2,585FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Qatar AirwaysCheapest$2,575Average$2,877FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

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