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$1,119+ Cheap flights from Philadelphia (PHL) to Adelaide (ADL)

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ADL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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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 September 11, 2025.

Round-trip from

$1,313
(oojo)

One-way from

$1,119
(Fiji Airways)
From Philadelphia to Adelaide
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One-way flight from Philadelphia to Adelaide
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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 September 11, 2025.

This oojo deal was found by Cheapflights users on 9/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:43 pmPHL - ADL
2 stops27h 22mFiji Airways
Sat 11/11:15 pmADL - PHL
2 stops24h 05mFiji Airways
Deal found 9/10$1,313
This oojo deal was found by Cheapflights users on 9/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/258:35 pmPHL - ADL
2 stops54h 35mQatar Airways
Sat 11/110:00 pmADL - PHL
1 stop50h 35mQatar Airways
Deal found 9/10$1,596
This Air Canada deal was found by Cheapflights users on 9/9. 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 stops37h 05mAir Canada
Mon 11/177:55 pmADL - PHL
3 stops42h 31mAir Canada
Deal found 9/9$1,901
This Gotogate deal was found by Cheapflights users on 9/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/257:30 amPHL - ADL
3 stops45h 10mMultiple Airlines
Sat 11/16:00 amADL - PHL
3 stops31h 26mMultiple Airlines
Deal found 9/10$2,133
This Air New Zealand deal was found by Cheapflights users on 9/11. 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 New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:25 pmPHL - ADL
2 stops46h 20mAir New Zealand
Mon 11/1711:55 amADL - PHL
2 stops26h 21mAir New Zealand
Deal found 9/11$2,359
This United Airlines deal was found by Cheapflights users on 9/9. 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 11/138:15 amPHL - ADL
3 stops38h 25mUnited Airlines
Mon 11/176:10 amADL - PHL
2 stops26h 30mUnited Airlines
Deal found 9/9$2,891
This Qatar Airways deal was found by Cheapflights users on 9/10. 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 9/10$3,110

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 September 11, 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

Sat 10/25

6:43 pm-12:35 pm

2 stops27h 22m

Adelaide

Sat 11/1

1:15 pm-10:50 pm

2 stops24h 05m

$1,313

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sat 10/25

8:35 pm-5:40 pm

2 stops54h 35m

Adelaide

Sat 11/1

10:00 pm-10:05 am

1 stop50h 35m

$1,596

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Thu 11/13

9:20 am-1:55 pm

3 stops37h 05m

Adelaide

Mon 11/17

7:55 pm-10:56 pm

3 stops42h 31m

$1,901

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sat 10/25

7:30 am-7:10 pm

3 stops45h 10m

Adelaide

Sat 11/1

6:00 am-10:56 pm

3 stops31h 26m

$2,133

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Thu 11/13

6:25 pm-8:15 am

2 stops46h 20m

Adelaide

Mon 11/17

11:55 am-10:46 pm

2 stops26h 21m

$2,359

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Thu 11/13

8:15 am-2:10 pm

3 stops38h 25m

Adelaide

Mon 11/17

6:10 am-5:10 pm

2 stops26h 30m

$2,891

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Wed 10/8

9:14 pm-12:35 pm

2 stops48h 51m

$1,119

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Wed 10/8

2:00 pm-7:40 am

3 stops51h 10m

$1,843

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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 September 11, 2025.

It’s optimal to fly from Philadelphia to Adelaide at noon. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight in the morning.

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 27h 22m. Fiji Airways provides one of the quickest options available for as low as $1,313. 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.

  • What is the cheapest month to book a flight from Philadelphia to Adelaide?

    Currently, August is the cheapest month in which you can book a flight from Philadelphia to Adelaide (average of $1,214). Flying from Philadelphia to Adelaide in December is currently the most expensive (average of $2,057). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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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