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$1,342+ Cheap flights from Philadelphia (PHL) to Adelaide (ADL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ADL
feb. 26 — mar. 51
jue. 2/26
jue. 3/5
1 adult, Economy
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Cheap flight deals from Philadelphia to Adelaide

Cheapest flights from Philadelphia to Adelaide
Explore the most affordable flight options available from Philadelphia to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 27, 2026.

This FlightHub deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/243:44 pm
PHL
-
ADL
2 stops29h 36m
Qantas Airways
vie. 4/106:25 am
ADL
-
PHL
2 stops27h 37m
Qantas Airways
Deal found 1/26$1,342
This Qantas Airways deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/62:30 pm
PHL
-
ADL
2 stops36h 50m
Qantas Airways
mar. 2/107:00 pm
ADL
-
PHL
2 stops39h 36m
Qantas Airways
Deal found 1/26$1,596
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/68:05 am
PHL
-
ADL
2 stops35h 20m
United Airlines
mar. 2/109:30 am
ADL
-
PHL
3 stops68h 19m
United Airlines
Deal found 1/26$1,627
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/135:10 pm
PHL
-
ADL
2 stops48h 50m
United Airlines
vie. 3/206:10 am
ADL
-
PHL
2 stops29h 51m
United Airlines
Deal found 1/27$1,654
This Qantas Airways deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/245:17 pm
PHL
-
ADL
2 stops28h 03m
Multiple Airlines
vie. 4/106:00 am
ADL
-
PHL
3 stops28h 25m
Multiple Airlines
Deal found 1/27$1,833
This Qatar Airways deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/67:45 pm
PHL
-
ADL
2 stops47h 45m
Qatar Airways
mar. 2/1010:00 pm
ADL
-
PHL
1 stop50h 30m
Qatar Airways
Deal found 1/24$2,063
This FlightHub deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/248:45 pm
PHL
-
ADL
2 stops33h 25m
Qatar Airways
vie. 4/109:40 pm
ADL
-
PHL
1 stop48h 50m
Qatar Airways
Deal found 1/26$2,076

Find flight deals from Philadelphia to Adelaide

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Adelaide (ADL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,342
(FlightHub)
Provider with most accurate pricing for Philadelphia-Adelaide flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Adelaide flights.
Search Deals
From Philadelphia to Adelaide
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia 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 2,558,603 searches. Data last updated enero 27, 2026.
Use the filters below to find and compare flights from Philadelphia to Adelaide that are best for you.

Fly from

Philadelphia

Fly to

Adelaide

Route

Depart

Return

Price

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

mar. 3/24

5:17 pm-11:50 am

2 stops28h 03m

Adelaide

vie. 4/10

6:00 am-8:32 pm

2 stops28h 02m

$1,342

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

vie. 2/6

2:30 pm-6:50 pm

2 stops36h 50m

Adelaide

mar. 2/10

7:00 pm-7:06 pm

2 stops39h 36m

$1,596

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

vie. 2/6

8:05 am-10:55 am

2 stops35h 20m

Adelaide

mar. 2/10

9:30 am-2:19 pm

3 stops68h 19m

$1,627

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

mar. 3/24

5:17 pm-11:50 am

2 stops28h 03m

Adelaide

vie. 4/10

6:00 am-8:55 pm

3 stops28h 25m

$1,833

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

vie. 2/6

7:45 pm-11:00 am

2 stops47h 45m

Adelaide

mar. 2/10

10:00 pm-9:00 am

1 stop50h 30m

$2,063

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

mar. 3/24

8:45 pm-8:40 pm

2 stops33h 25m

Adelaide

vie. 4/10

9:40 pm-9:00 am

1 stop48h 50m

$2,076

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Compare providers for flights from Philadelphia to Adelaide

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Adelaide in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Philadelphia-Adelaide flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Adelaide flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Adelaide flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Adelaide flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Adelaide flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Philadelphia to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide from Philadelphia with our price prediction graph.
Estimated round-trip 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.

Related info for your journey

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

  • How long is the flight from Philadelphia to Adelaide?

    A quick flight from Philadelphia to Adelaide can take about 28h 03m. Qantas Airways provides one of the quickest options available for as low as $1,342. Philadelphia and Adelaide are separated by a distance of 10557 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Philadelphia 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

Traveling to a place near Adelaide?

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Glenelg

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