HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Philadelphia (PHL) to Adelaide (ADL) from $1,590

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PHL — ADL
Jun 2 — Jun 91
From?
To?
Sun 6/2
Sun 6/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 May 28, 2024.

Popular in

April

Cheapest in

June

Average price

$1,752

Round-trip from

$1,286
High demand for flights, 21% potential price rise
Search Deals
Best time to find cheap flights, 26% potential price drop
Search Deals
Average for round-trip flights in May 2024
Search Deals
From Philadelphia to Adelaide
Search Deals

What is the cheapest day to fly round-trip from Philadelphia to Adelaide?

Departing on a Sunday is a good option for securing a great price. You can expect to save up to 71% when planning your travel around this day of the week.

What is the cheapest month to fly from Philadelphia to Adelaide?

Due to multiple factors, expect to potentially pay more when booking in April. For low rates, June can be a great choice for travel to Adelaide. Flights to Adelaide from Philadelphia in June are about $2,017 on average during June, but can be found for as low as $1,492.

When is the cheapest time to fly from Philadelphia to Adelaide (PHL - ADL)?

It’s optimal to fly from Philadelphia to Adelaide in the morning. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight in the afternoon.

Cheap American Airlines flights from Philadelphia to Adelaide

Explore cheap flight options specifically provided by American Airlines for the route between Philadelphia and Adelaide. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Check out some of the cheapest American Airlines flights we've come across from Philadelphia to Adelaide. It's recommended that users confirm their flight details before booking.
Sun 8/45:25 pmPHL - ADL
2 stops27h 25mAmerican Airlines
Mon 8/191:10 pmADL - PHL
2 stops41h 45mAmerican Airlines
Deal found 5/26$1,590
Sat 8/39:06 amPHL - ADL
2 stops35h 44mAmerican Airlines
Tue 8/201:10 pmADL - PHL
2 stops40h 50mAmerican Airlines
Deal found 5/26$1,640
Sat 8/35:25 pmPHL - ADL
2 stops27h 25mAmerican Airlines
Wed 8/211:10 pmADL - PHL
2 stops43h 22mAmerican Airlines
Deal found 5/26$1,690
Sun 8/42:32 pmPHL - ADL
2 stops33h 13mAmerican Airlines
Sat 8/1712:55 pmADL - PHL
2 stops41h 05mAmerican Airlines
Deal found 5/26$3,490
Sat 8/35:25 pmPHL - ADL
2 stops27h 25mAmerican Airlines
Mon 8/191:10 pmADL - PHL
2 stops41h 45mAmerican Airlines
Deal found 5/26$3,590
Sat 8/35:25 pmPHL - ADL
2 stops27h 25mAmerican Airlines
Wed 8/211:10 pmADL - PHL
2 stops40h 50mAmerican Airlines
Deal found 5/26$3,690

Cheap Qantas Airways flights from Philadelphia to Adelaide

Explore cheap flight options specifically provided by Qantas Airways for the route between Philadelphia and Adelaide. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Have a look at some of the cheapest available Qantas Airways flights departing from Philadelphia and landing in Adelaide. Deals are refreshing constantly so come back soon for more options.
Sun 10/133:30 pmPHL - ADL
2 stops38h 00mQantas Airways
Tue 11/56:30 amADL - PHL
2 stops32h 37mQantas Airways
Deal found 5/27$1,784
Sat 8/35:25 pmPHL - ADL
2 stops29h 35mQantas Airways
Sun 8/186:00 amADL - PHL
2 stops30h 29mQantas Airways
Deal found 5/26$1,975
Tue 6/116:48 pmPHL - ADL
2 stops26h 02mQantas Airways
Tue 6/1811:00 amADL - PHL
2 stops27h 32mQantas Airways
Deal found 5/28$2,810
Sun 8/45:25 pmPHL - ADL
2 stops29h 35mQantas Airways
Sun 8/188:00 amADL - PHL
2 stops28h 29mQantas Airways
Deal found 5/26$4,075
Sat 8/35:25 pmPHL - ADL
2 stops27h 25mQantas Airways
Sun 8/1812:55 pmADL - PHL
2 stops31h 58mQantas Airways
Deal found 5/26$4,189

Cheap Philadelphia to Adelaide flights in May & June 2024

Find cheap flight options from Philadelphia to Adelaide specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,740,132 searches. Prices were last updated on May 28, 2024.
Check out some of the best flight deals from Philadelphia to Adelaide in 2024. For more flight deals, be sure to check back very soon.
Tue 6/1111:15 amPHL - ADL
3 stops34h 30mMultiple Airlines
Tue 6/187:00 pmADL - PHL
3 stops41h 14mMultiple Airlines
Deal found 5/28$2,163
Tue 6/116:48 pmPHL - ADL
2 stops26h 02mMultiple Airlines
Tue 6/181:10 pmADL - PHL
3 stops32h 25mMultiple Airlines
Deal found 5/28$2,304
Tue 6/116:48 pmPHL - ADL
2 stops26h 02mQantas Airways
Tue 6/1811:00 amADL - PHL
2 stops27h 32mQantas Airways
Deal found 5/28$2,810
Tue 6/118:45 pmPHL - ADL
1 stop29h 15mQatar Airways
Tue 6/185:40 pmADL - PHL
2 stops35h 11mQatar Airways
Deal found 5/28$4,253
Tue 6/118:45 pmPHL - ADL
1 stop29h 15mQatar Airways
Tue 6/189:40 pmADL - PHL
1 stop31h 11mQatar Airways
Deal found 5/28$5,261

Philadelphia to Adelaide 2024 flight deals

Discover exclusive flight deals for travel between Philadelphia and Adelaide in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Check out some of the best flight deals from Philadelphia to Adelaide in 2024. For more flight deals, be sure to check back very soon.
Sun 8/45:25 pmPHL - ADL
2 stops27h 25mAmerican Airlines
Mon 8/191:10 pmADL - PHL
2 stops41h 45mAmerican Airlines
Deal found 5/26$1,590
Sun 10/136:15 amPHL - ADL
3 stops41h 10mMultiple Airlines
Tue 11/56:00 amADL - PHL
3 stops32h 05mMultiple Airlines
Deal found 5/28$1,616
Sun 10/136:15 amPHL - ADL
3 stops40h 30mMultiple Airlines
Tue 11/58:10 pmADL - PHL
3 stops41h 55mMultiple Airlines
Deal found 5/27$1,621
Sat 8/39:06 amPHL - ADL
2 stops35h 44mAmerican Airlines
Tue 8/201:10 pmADL - PHL
2 stops40h 50mAmerican Airlines
Deal found 5/26$1,640
Sat 8/35:25 pmPHL - ADL
2 stops27h 25mAmerican Airlines
Wed 8/211:10 pmADL - PHL
2 stops43h 22mAmerican Airlines
Deal found 5/26$1,690
Sun 10/133:30 pmPHL - ADL
2 stops38h 00mQantas Airways
Tue 11/56:30 amADL - PHL
2 stops32h 37mQantas Airways
Deal found 5/27$1,784
Sun 8/412:44 pmPHL - ADL
3 stops32h 41mUnited Airlines
Sun 8/186:05 amADL - PHL
2 stops39h 54mUnited Airlines
Deal found 5/26$1,877
Sun 8/46:52 amPHL - ADL
2 stops38h 43mUnited Airlines
Sun 8/186:05 amADL - PHL
2 stops39h 54mUnited Airlines
Deal found 5/26$1,889
Tue 8/66:50 pmPHL - ADL
2 stops26h 00mMultiple Airlines
Tue 8/201:10 pmADL - PHL
3 stops32h 27mMultiple Airlines
Deal found 5/26$1,918

Find flights from Philadelphia to Adelaide within your budget

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 2,740,132 searches. Data last updated May 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,590 - $3,224

Route

Depart

Return

Price

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 8/4

2 stops27h 25m

Adelaide

Mon 8/19

2 stops41h 45m

$1,590

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 10/13

3 stops41h 10m

Adelaide

Tue 11/5

3 stops32h 05m

$1,616

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 10/13

3 stops40h 30m

Adelaide

Tue 11/5

3 stops41h 55m

$1,621

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sat 8/3

2 stops35h 44m

Adelaide

Tue 8/20

2 stops40h 50m

$1,640

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 10/13

2 stops38h 00m

Adelaide

Tue 11/5

2 stops32h 37m

$1,784

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 8/4

3 stops32h 41m

Adelaide

Sun 8/18

2 stops39h 54m

$1,877

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Tue 8/6

3 stops42h 10m

Adelaide

Tue 8/20

3 stops41h 14m

$2,041

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Mon 8/5

1 stop29h 15m

Adelaide

Mon 8/19

2 stops55h 00m

$2,154

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Mon 8/5

2 stops32h 41m

Adelaide

Mon 8/19

2 stops24h 05m

$3,224

Flights are sorted by cheapest first

Deals found on 5/26

When is the cheapest time to fly from Philadelphia to Adelaide?

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Adelaide. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Philadelphia to Adelaide flight should consider departing on Sunday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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.

Temperature and rainfall in Adelaide by month

Plan your trip to Adelaide by taking into account the average temperature and rainfall totals by month.

ADL

Temperature

51.8 - 69.8 °F

Reviews of airlines servicing Adelaide

Get insights into the airlines that provide service to Adelaide. 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 Adelaide. Reviews last updated May 28, 2024.
Peruse reviews from past customers who have flown with American Airlines, Qantas Airways and United Airlines from Philadelphia to Adelaide to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.3
Very good
608 reviews
Check prices

Crew

8.7

Comfort

8.1

Boarding

8.4

Overall

8.3

Food

7.6

Entertainment

7.9

Reviews

1 / 10

Terrible. Boarding pass priority boarding. Got no service, no food which looked yucky, why seat people in first class then treat them low class?

Air New Zealand
8.3
Very good
608 reviews
Air New Zealand
8.3
Very good
608 reviews
Check prices

Crew

8.7

Comfort

8.1

Boarding

8.4

Overall

8.3

Food

7.6

Entertainment

7.9

Reviews

1 / 10

Terrible. Boarding pass priority boarding. Got no service, no food which looked yucky, why seat people in first class then treat them low class?

Qatar Airways
7.7
Good
4,342 reviews
Air New Zealand
8.3
Very good
608 reviews
Check prices

Crew

8.7

Comfort

8.1

Boarding

8.4

Overall

8.3

Food

7.6

Entertainment

7.9

Reviews

1 / 10

Terrible. Boarding pass priority boarding. Got no service, no food which looked yucky, why seat people in first class then treat them low class?

Qantas Airways
7.6
Good
943 reviews
Air New Zealand
8.3
Very good
608 reviews
Check prices

Crew

8.7

Comfort

8.1

Boarding

8.4

Overall

8.3

Food

7.6

Entertainment

7.9

Reviews

1 / 10

Terrible. Boarding pass priority boarding. Got no service, no food which looked yucky, why seat people in first class then treat them low class?

United Airlines
7.4
Good
10,799 reviews
Air New Zealand
8.3
Very good
608 reviews
Check prices

Crew

8.7

Comfort

8.1

Boarding

8.4

Overall

8.3

Food

7.6

Entertainment

7.9

Reviews

1 / 10

Terrible. Boarding pass priority boarding. Got no service, no food which looked yucky, why seat people in first class then treat them low class?

American Airlines
7.3
Good
14,316 reviews
Air New Zealand
8.3
Very good
608 reviews
Check prices

Crew

8.7

Comfort

8.1

Boarding

8.4

Overall

8.3

Food

7.6

Entertainment

7.9

Reviews

1 / 10

Terrible. Boarding pass priority boarding. Got no service, no food which looked yucky, why seat people in first class then treat them low class?

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.

  • Can I find flights from Philadelphia to Adelaide for under $1,600 on Cheapflights?

    Yes, there are multiple flights from Philadelphia to Adelaide for under $1,600. The cheapest flight booked recently is on American Airlines for just $1,590, but on average you can expect to pay $1,952.

  • What are the cheapest airlines flying from Philadelphia to Adelaide round-trip?

    Cheapflights users have booked flights from Philadelphia to Adelaide round-trip from $1,590. Other airlines that can offer you cheap pricing are Qantas Airways, from $1,784, and United Airlines, from $1,877. You may be able to fly from Philadelphia to Adelaide for 21% less than the average price by searching for these airlines.

  • What does PHL to ADL mean?

    PHL stands for Philadelphia Airport, while ADL stands for Adelaide Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from Philadelphia to Adelaide that include extra baggage allowance?

    The amount of baggage you can bring on your Philadelphia to Adelaide flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Philadelphia to Adelaide with specific airlines?

    Yes, Cheapflights allows you to browse and filter Philadelphia to Adelaide flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Philadelphia to Adelaide that allow pets onboard?

    Many airlines flying from Philadelphia to Adelaide offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Philadelphia to Adelaide?

    Yes, you can often find last-minute deals on Philadelphia to Adelaide flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Philadelphia to Adelaide flight deals updated?

    The Philadelphia to Adelaide flight deals you see on this page were last updated on 5/28.

  • When is the best time to book a flight from Philadelphia to Adelaide?

    Currently, February is the cheapest month in which you can book a flight from Philadelphia to Adelaide (average of $1,286). Flying from Philadelphia to Adelaide in January is currently the most expensive (average of $1,884). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Other flights to Adelaide
Explore flights to Adelaide departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 28, 2024.

Adelaide to Melbourne Airport flights
Adelaide to Sydney flights
Adelaide to Hobart flights
Adelaide to Brisbane flights
Adelaide to Perth flights
Adelaide to Sydney flights
Adelaide to Denpasar flights
Adelaide to Melbourne Airport flights
Adelaide to Perth flights
Adelaide to Brisbane flights
Adelaide to Auckland flights
Adelaide to Cairns flights
Adelaide to Singapore flights
Adelaide to Singapore flights
Adelaide to Kuala Lumpur Intl Airport flights
Adelaide to Melbourne Airport flights

Top 2 airlines flying from Philadelphia to Adelaide

Discover the top 2 airlines that operate flights from Philadelphia to Adelaide. 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 2,740,132 searches. Data last updated May 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,839Average$2,057FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Qantas AirwaysCheapest$1,953Average$2,622FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Newark Airport to Denver flights
San Francisco to New York flights
Boston to Baltimore flights
Detroit to Dallas flights
New York to Toronto flights
Los Angeles to Manila flights
USA to Sri Lanka flights
Miami to Atlanta flights
Sacramento to Las Vegas flights
Chicago to Washington, D.C. flights
San Diego to Chicago flights
Philadelphia to Kodiak flights

Search flights from Philadelphia to Adelaide by cabin class

Find flights from Philadelphia to Adelaide, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Laayoune Hassan I
Flights to Virac
Flights to Figari-Sud Corse
Flights to Edremit/Korfez
Flights to Rhinelander Oneida County
Flights to Girona Costa Brava
Flights to Brainerd Crow Wing County
Flights to Parikia Paros
Flights to Cortez Montezuma County
Flights to Miyakojima Hirara
Flights to Zadar
Flights to Trapani Birgi
Flights to Provincetown
Flights to Oran Es Senia
Flights to Constanţa Mihail Kogalniceanu
Flights to Vava'u Lupepau'U
Flights to Urumqi
Flights to Hakodate
Flights to Naxos
Flights to Dalaman
Flights to Hyannis Barnstable
Flights to Devils Lake
Flights to Bastia Poretta
Flights to Karpathos

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Philadelphia to Adelaide?

Deals for Philadelphia to Adelaide flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Philadelphia to Adelaide?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Philadelphia to Adelaide for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Philadelphia to Adelaide with no change fees?

Certainly. Search results for flights to Adelaide from Philadelphia shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Philadelphia to Adelaide become cheaper?

Of course! You can now track prices for flights from Philadelphia to Adelaide and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines