How do I get Price Alerts for flights from Philadelphia to Adelaide?

Price Alerts will notify you by email when the price for flights to Adelaide from Philadelphia decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Philadelphia to Adelaide with momondo?

By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

When did momondo last update prices for flights from Philadelphia Airport to Adelaide Airport?

Prices for flights from Philadelphia Airport to Adelaide Airport refresh daily.

How many operators does momondo search for flights from Philadelphia Airport to Adelaide Airport?

There is 1 operator available for flights from Philadelphia Airport to Adelaide Airport as of October 2026.

How old do you have to be to fly from Philadelphia Airport to Adelaide Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Philadelphia Airport to Adelaide Airport.

What documentation or ID do you need to fly to Adelaide Airport?

The necessary travel and health documents for your Adelaide Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$848 Cheap Flights from Philadelphia to Adelaide in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Philadelphia to Adelaide

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:30 pm - 3:50 pmPHL Philadelphia-ADL Adelaide

28h 50m1 stop Doha Hamad Intl

9:40 pm - 3:05 pmADL Adelaide-PHL Philadelphia

30h 55m1 stop Doha Hamad Intl

$1,274Multiple Airlines

Mon, Apr 5 - Sat, Apr 24

9:30 pm - 3:50 pmPHL Philadelphia-ADL Adelaide

28h 50m1 stop Doha Hamad Intl

7:40 am - 3:05 pmADL Adelaide-PHL Philadelphia

44h 55m2 stops Melbourne Doha Hamad Intl

$1,279Qatar Airways

Mon, Apr 5 - Sat, Apr 24

9:30 pm - 7:00 amPHL Philadelphia-ADL Adelaide

44h 00m2 stops Doha Hamad Intl Melbourne

9:40 pm - 3:05 pmADL Adelaide-PHL Philadelphia

30h 55m1 stop Doha Hamad Intl

$1,301Qatar Airways

Sun, Apr 4 - Sun, Apr 25

9:30 pm - 7:00 amPHL Philadelphia-ADL Adelaide

44h 00m2 stops Doha Hamad Intl Melbourne

11:50 am - 3:05 pmADL Adelaide-PHL Philadelphia

40h 45m2 stops Melbourne Doha Hamad Intl

$1,306Qatar Airways

Sun, Apr 4 - Sun, Apr 25

9:30 pm - 8:55 amPHL Philadelphia-ADL Adelaide

45h 55m2 stops Doha Hamad Intl Sydney Kingsford Smith

3:20 pm - 3:05 pmADL Adelaide-PHL Philadelphia

37h 15m2 stops Melbourne Doha Hamad Intl

$1,312Qatar Airways

Mon, Apr 5 - Sat, Apr 24

6:13 pm - 4:20 pmPHL Philadelphia-ADL Adelaide

30h 37m2 stops San Francisco Brisbane

7:55 pm - 6:38 pmADL Adelaide-PHL Philadelphia

38h 13m2 stops Sydney Kingsford Smith Houston George Bush Intcntl

$1,415United Airlines

Sun, Feb 28 - Thu, Mar 4

1:00 pm - 2:10 pmPHL Philadelphia-ADL Adelaide

33h 40m3 stops Chicago O'Hare Intl Los Angeles Melbourne

7:55 pm - 4:45 pmADL Adelaide-PHL Philadelphia

36h 20m2 stops Sydney Kingsford Smith San Francisco

$1,418United Airlines

Sun, Feb 28 - Thu, Mar 4

6:24 am - 9:30 amPHL Philadelphia-ADL Adelaide

35h 36m2 stops Chicago O'Hare Intl San Francisco

2:55 pm - 11:35 amADL Adelaide-PHL Philadelphia

36h 10m2 stops San Francisco Houston George Bush Intcntl

$1,532United Airlines

Mon, Dec 28 - Sat, Jan 30

3:36 pm - 12:35 pmPHL Philadelphia-ADL Adelaide

29h 29m2 stops Los Angeles Brisbane

6:25 am - 8:36 pmADL Adelaide-PHL Philadelphia

29h 41m2 stops Brisbane Los Angeles

$1,714Qantas Airways

Mon, Dec 28 - Sat, Jan 30

6:49 am - 12:35 pmPHL Philadelphia-ADL Adelaide

38h 16m2 stops Dallas/Fort Worth Brisbane

6:25 am - 8:36 pmADL Adelaide-PHL Philadelphia

29h 41m2 stops Brisbane Los Angeles

$1,799Qantas Airways

Mon, Dec 28 - Sat, Jan 30

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Qatar Airways flights from Philadelphia to Adelaide

Our best Qatar Airways deals on Philadelphia to Adelaide flight tickets

Qatar Airways

Apr 5

PHL9:30 pmPhiladelphia

28h 50m

1 stop

ADL3:50 pmAdelaide

Apr 24

ADL7:40 amAdelaide

44h 55m

2 stops

PHL3:05 pmPhiladelphia

$1,279

Qatar Airways

Apr 4

PHL9:30 pmPhiladelphia

44h 00m

2 stops

ADL7:00 amAdelaide

Apr 25

ADL9:40 pmAdelaide

30h 55m

1 stop

PHL3:05 pmPhiladelphia

$1,301

Qatar Airways

Apr 4

PHL9:30 pmPhiladelphia

44h 00m

2 stops

ADL7:00 amAdelaide

Apr 25

ADL11:50 amAdelaide

40h 45m

2 stops

PHL3:05 pmPhiladelphia

$1,306

Qantas Airways flights from Philadelphia to Adelaide

Our best Qantas Airways deals on Philadelphia to Adelaide flight tickets

Qantas Airways

Dec 28

PHL3:36 pmPhiladelphia

29h 29m

2 stops

ADL12:35 pmAdelaide

Jan 30

ADL6:25 amAdelaide

29h 41m

2 stops

PHL8:36 pmPhiladelphia

$1,714

Qantas Airways

Dec 28

PHL6:49 amPhiladelphia

38h 16m

2 stops

ADL12:35 pmAdelaide

Jan 30

ADL6:25 amAdelaide

29h 41m

2 stops

PHL8:36 pmPhiladelphia

$1,799

Qantas Airways

Dec 28

PHL6:49 amPhiladelphia

38h 16m

2 stops

ADL12:35 pmAdelaide

Jan 30

ADL6:30 pmAdelaide

28h 30m

2 stops

PHL7:30 amPhiladelphia

$1,827

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaAdelaide

PHL Philadelphia - ADL Adelaide

PHLADL

Philadelphia

Mon 4/5

9:30 pm-3:50 pm

1 stop28h 50m

Adelaide

Sat 4/24

9:40 pm-3:05 pm

1 stop30h 55m

$1,274

PhiladelphiaAdelaide

PHL Philadelphia - ADL Adelaide

PHLADL

Philadelphia

Mon 4/5

9:30 pm-3:50 pm

1 stop28h 50m

Adelaide

Sat 4/24

7:40 am-3:05 pm

2 stops44h 55m

$1,279

PhiladelphiaAdelaide

PHL Philadelphia - ADL Adelaide

PHLADL

Philadelphia

Sun 4/4

9:30 pm-7:00 am

2 stops44h 00m

Adelaide

Sun 4/25

9:40 pm-3:05 pm

1 stop30h 55m

$1,301

PhiladelphiaAdelaide

PHL Philadelphia - ADL Adelaide

PHLADL

Philadelphia

Sun 4/4

9:30 pm-7:00 am

2 stops44h 00m

Adelaide

Sun 4/25

11:50 am-3:05 pm

2 stops40h 45m

$1,306

PhiladelphiaAdelaide

PHL Philadelphia - ADL Adelaide

PHLADL

Philadelphia

Mon 4/5

9:30 pm-8:55 am

2 stops45h 55m

Adelaide

Sat 4/24

3:20 pm-3:05 pm

2 stops37h 15m

$1,312

PhiladelphiaAdelaide

PHL Philadelphia - ADL Adelaide

PHLADL

Philadelphia

Sun 2/28

6:13 pm-4:20 pm

2 stops30h 37m

Adelaide

Thu 3/4

7:55 pm-6:38 pm

2 stops38h 13m

$1,415

PhiladelphiaAdelaide

PHL Philadelphia - ADL Adelaide

PHLADL

Philadelphia

Sun 2/28

1:00 pm-2:10 pm

3 stops33h 40m

Adelaide

Thu 3/4

7:55 pm-4:45 pm

2 stops36h 20m

$1,418

PhiladelphiaAdelaide

PHL Philadelphia - ADL Adelaide

PHLADL

Philadelphia

Mon 12/28

6:24 am-9:30 am

2 stops35h 36m

Adelaide

Sat 1/30

2:55 pm-11:35 am

2 stops36h 10m

$1,532

Quickest round-trip

PhiladelphiaAdelaide

PHL Philadelphia - ADL Adelaide

PHLADL

Philadelphia

Mon 12/28

3:36 pm-12:35 pm

2 stops29h 29m

Adelaide

Sat 1/30

6:25 am-8:36 pm

2 stops29h 41m

$1,714

PhiladelphiaAdelaide

PHL Philadelphia - ADL Adelaide

PHLADL

Philadelphia

Mon 12/28

6:49 am-12:35 pm

2 stops38h 16m

Adelaide

Sat 1/30

6:25 am-8:36 pm

2 stops29h 41m

$1,799

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

When to book flights from Philadelphia to Adelaide

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Adelaide according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Philadelphia to Adelaide (PHL to ADL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Adelaide

Best Price Found	$848
Fastest flight time	28h 50m
Direct flights	None

The best one-way flight to Adelaide from Philadelphia in the past 72 hours is $848. The best round-trip flight deal from Philadelphia to Adelaide found on momondo in the last 72 hours is $1,274.

The fastest flight from Philadelphia to Adelaide takes 28h 50m

There are no direct flights from Philadelphia to Adelaide. There are no popular flight routes from Philadelphia to Adelaide.

Search flight deals

Frequently asked questions about flying from Philadelphia to Adelaide

How far is Philadelphia to Adelaide by plane?
Philadelphia and Adelaide are 10557.0 mi apart from one another. A reasonable flight in good conditions will take 28h 50m.
When did momondo last update prices for flights from Philadelphia Airport to Adelaide Airport?
Prices for flights from Philadelphia Airport to Adelaide Airport refresh daily.
How many operators does momondo search for flights from Philadelphia Airport to Adelaide Airport?
There is 1 operator available for flights from Philadelphia Airport to Adelaide Airport as of October 2026.
How old do you have to be to fly from Philadelphia Airport to Adelaide Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Philadelphia Airport to Adelaide Airport.
What documentation or ID do you need to fly to Adelaide Airport?
The necessary travel and health documents for your Adelaide Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Philadelphia to Adelaide?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Philadelphia to Adelaide is Qantas Airways (100% of total bookings).

Best airlines flying from Philadelphia to Adelaide

Compare and see reviews for airlines that fly from Philadelphia to Adelaide with momondo

Airline	Rating	Free Cancellation	Price
Qantas Airways	PriceFrom $1,196	Free Cancellation	Rating 7.5 1,114 reviews		Search Qantas Airways flights

Frequently asked questions about flying from Philadelphia to Adelaide

How do I get Price Alerts for flights from Philadelphia to Adelaide?
Price Alerts will notify you by email when the price for flights to Adelaide from Philadelphia decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Philadelphia to Adelaide with momondo?
By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Glenelg

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Adelaide?

It is quick and easy to find Philadelphia to Adelaide flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Adelaide that suits you.

Can I find flights from Philadelphia to Adelaide with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Philadelphia to Adelaide flights to just show those with flexible booking policies.

How can momondo help me find flights from Philadelphia to Adelaide?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Adelaide from Philadelphia.

I’m not ready to book a flight from Philadelphia to Adelaide right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Adelaide from Philadelphia. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Philadelphia to Adelaide from $848

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Adelaide departing on 11/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Qatar Airways flights from Philadelphia to Adelaide

Our best Qatar Airways deals on Philadelphia to Adelaide flight tickets

Qantas Airways flights from Philadelphia to Adelaide

Our best Qantas Airways deals on Philadelphia to Adelaide flight tickets

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Use the filters below to find and compare flights from Philadelphia to Adelaide that are best for you.

When to book flights from Philadelphia to Adelaide

Cheap Philadelphia to Adelaide (PHL to ADL) flight deals and tips

Best Price Found

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Direct flights

Frequently asked questions about flying from Philadelphia to Adelaide

Best airlines flying from Philadelphia to Adelaide

Compare and see reviews for airlines that fly from Philadelphia to Adelaide with momondo

Frequently asked questions about flying from Philadelphia to Adelaide

Traveling to a place near Adelaide?

Why use momondo?

An easier way to manage your Adelaide trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Airports servicing South Australia

Fly your favorite airline to Adelaide

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Adelaide

List of cabin classes available on flights landing in Adelaide. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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