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$1,137+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ADL
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find 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 October 28, 2025.

This United Airlines deal was found by Cheapflights users on 10/26. 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.
Thu 11/136:25 pmPHL - ADL
2 stops28h 15mUnited Airlines
Mon 11/176:00 amADL - PHL
2 stops32h 16mUnited Airlines
Deal found 10/26$1,137
This Qatar Airways deal was found by Cheapflights users on 10/26. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:40 pmPHL - ADL
1 stop29h 55mQatar Airways
Mon 11/1712:35 pmADL - PHL
2 stops36h 00mQatar Airways
Deal found 10/26$2,564
This British Airways deal was found by Cheapflights users on 10/26. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:45 pmPHL - ADL
3 stops47h 40mBritish Airways
Mon 11/1711:40 amADL - PHL
3 stops41h 15mBritish Airways
Deal found 10/26$3,273
This Air Canada deal was found by Cheapflights users on 10/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:20 amPHL - ADL
3 stops39h 20mAir Canada
Mon 11/176:00 amADL - PHL
3 stops32h 16mAir Canada
Deal found 10/27$3,333

Cheap 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$864
(United Airlines)
Provider with most accurate pricing for Philadelphia-Adelaide flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Adelaide flights.
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From Philadelphia to Adelaide
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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 October 28, 2025.
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

Thu 11/13

8:15 am-2:10 pm

3 stops38h 25m

Adelaide

Mon 11/17

6:00 am-5:10 pm

2 stops26h 40m

$1,137

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Thu 11/13

7:40 pm-5:05 pm

1 stop29h 55m

Adelaide

Mon 11/17

12:35 pm-9:05 am

2 stops36h 00m

$2,564

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Thu 11/13

7:45 pm-10:55 am

3 stops47h 40m

Adelaide

Mon 11/17

11:40 am-1:25 pm

3 stops41h 15m

$3,273

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Thu 11/13

9:20 am-4:10 pm

3 stops39h 20m

Adelaide

Mon 11/17

6:00 am-10:46 pm

3 stops32h 16m

$3,333

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

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 October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Philadelphia-Adelaide flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Adelaide

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

Find hourly flight availability from Philadelphia to Adelaide. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

It’s optimal to fly from Philadelphia to Adelaide in the morning. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight in the afternoon.

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 38h 25m. United Airlines provides one of the quickest options available for as low as $1,137. Philadelphia and Adelaide are separated by a distance of 10557 mi.

  • 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?

Book flights to Adelaide if you plan to visit one of these locations
Glenelg

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