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Cheap flights from Philadelphia to Adelaide from $1,184

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Adelaide departing on 9/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Philadelphia to Adelaide

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qatar Airways Logo
9:30 pm - 3:00 pm
PHL
-
ADL
28h 00m
1 stop
Qatar Airways Logo
10:00 pm - 2:30 pm
ADL
-
PHL
30h 00m
1 stop
$1,184Qatar Airways
Thu, Sep 10 - Thu, Sep 17
Qatar Airways Logo
8:40 pm - 5:05 pm
PHL
-
ADL
28h 55m
1 stop
Qatar Airways Logo
9:40 pm - 3:05 pm
ADL
-
PHL
30h 55m
1 stop
$1,197Qatar Airways
Thu, Jan 14 - Fri, Apr 30
Multiple Airlines Logo
8:40 pm - 5:05 pm
PHL
-
ADL
28h 55m
1 stop
Multiple Airlines Logo
6:20 pm - 3:05 pm
ADL
-
PHL
34h 15m
2 stops
$1,197Multiple Airlines
Thu, Jan 14 - Fri, Apr 30
Qatar Airways Logo
9:30 pm - 3:00 pm
PHL
-
ADL
28h 00m
1 stop
Qatar Airways Logo
10:00 pm - 2:30 pm
ADL
-
PHL
30h 00m
1 stop
$1,223Qatar Airways
Sun, Sep 6 - Sun, Sep 13
Multiple Airlines Logo
9:30 pm - 3:00 pm
PHL
-
ADL
28h 00m
1 stop
Multiple Airlines Logo
8:40 am - 2:30 pm
ADL
-
PHL
43h 20m
2 stops
$1,230Multiple Airlines
Sun, Sep 6 - Sun, Sep 13
Qatar Airways Logo
8:40 pm - 10:00 am
PHL
-
ADL
45h 50m
2 stops
Qatar Airways Logo
6:20 pm - 3:05 pm
ADL
-
PHL
34h 15m
2 stops
$1,241Qatar Airways
Thu, Jan 14 - Fri, Apr 30
Multiple Airlines Logo
9:30 pm - 10:05 am
PHL
-
ADL
47h 05m
2 stops
Multiple Airlines Logo
10:00 pm - 2:30 pm
ADL
-
PHL
30h 00m
1 stop
$1,267Multiple Airlines
Thu, Sep 10 - Thu, Sep 17
Qatar Airways Logo
9:30 pm - 3:00 pm
PHL
-
ADL
28h 00m
1 stop
Qatar Airways Logo
10:00 pm - 2:30 pm
ADL
-
PHL
30h 00m
1 stop
$1,276Qatar Airways
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
9:30 pm - 3:00 pm
PHL
-
ADL
28h 00m
1 stop
Multiple Airlines Logo
12:15 pm - 2:30 pm
ADL
-
PHL
39h 45m
2 stops
$1,315Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
4:25 pm - 5:05 pm
PHL
-
ADL
33h 10m
2 stops
Multiple Airlines Logo
9:40 pm - 3:05 pm
ADL
-
PHL
30h 55m
1 stop
$1,329Multiple Airlines
Sun, Jan 10 - Fri, Apr 30

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Air Canada flights from Philadelphia to Adelaide

Our best Air Canada deals on Philadelphia to Adelaide flight tickets
Air Canada
Oct 31
PHL9:15 amPhiladelphia
42h 25m
3 stops
ADL6:10 pmAdelaide
Nov 4
ADL6:00 amAdelaide
32h 26m
3 stops
PHL10:56 pmPhiladelphia
$1,422
Air Canada
Oct 17
PHL10:35 amPhiladelphia
41h 20m
3 stops
ADL6:25 pmAdelaide
Oct 21
ADL6:00 amAdelaide
31h 16m
3 stops
PHL10:46 pmPhiladelphia
$1,597
Air Canada
Oct 17
PHL10:35 amPhiladelphia
41h 20m
3 stops
ADL6:25 pmAdelaide
Oct 21
ADL6:00 amAdelaide
31h 16m
3 stops
PHL10:46 pmPhiladelphia
$2,353

JetBlue flights from Philadelphia to Adelaide

Our best JetBlue deals on Philadelphia to Adelaide flight tickets
JetBlue
Dec 24
PHL8:40 pmPhiladelphia
28h 20m
1 stop
ADL4:30 pmAdelaide
Dec 30
ADL10:00 pmAdelaide
32h 30m
1 stop
PHL3:00 pmPhiladelphia
$2,013
JetBlue
Dec 23
PHL8:40 pmPhiladelphia
28h 20m
1 stop
ADL4:30 pmAdelaide
Jan 2
ADL10:00 pmAdelaide
32h 30m
1 stop
PHL3:00 pmPhiladelphia
$4,628

momondo 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, momondo users made 832,500 searches. Data last updated July 28, 2026.
Use the filters below to find and compare flights from Philadelphia to Adelaide that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Thu 9/10

9:30 pm-3:00 pm

1 stop28h 00m

Adelaide

Thu 9/17

10:00 pm-2:30 pm

1 stop30h 00m

$1,184

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Thu 1/14

8:40 pm-5:05 pm

1 stop28h 55m

Adelaide

Fri 4/30

9:40 pm-3:05 pm

1 stop30h 55m

$1,197

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Thu 1/14

8:40 pm-5:05 pm

1 stop28h 55m

Adelaide

Fri 4/30

6:20 pm-3:05 pm

2 stops34h 15m

$1,197

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 9/6

9:30 pm-3:00 pm

1 stop28h 00m

Adelaide

Sun 9/13

10:00 pm-2:30 pm

1 stop30h 00m

$1,223

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 9/6

9:30 pm-3:00 pm

1 stop28h 00m

Adelaide

Sun 9/13

8:40 am-2:30 pm

2 stops43h 20m

$1,230

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Thu 1/14

8:40 pm-10:00 am

2 stops45h 50m

Adelaide

Fri 4/30

6:20 pm-3:05 pm

2 stops34h 15m

$1,241

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Thu 9/10

9:30 pm-10:05 am

2 stops47h 05m

Adelaide

Thu 9/17

10:00 pm-2:30 pm

1 stop30h 00m

$1,267

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Wed 9/9

9:30 pm-3:00 pm

1 stop28h 00m

Adelaide

Wed 9/16

10:00 pm-2:30 pm

1 stop30h 00m

$1,276

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Wed 9/9

9:30 pm-3:00 pm

1 stop28h 00m

Adelaide

Wed 9/16

12:15 pm-2:30 pm

2 stops39h 45m

$1,315

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 1/10

4:25 pm-5:05 pm

2 stops33h 10m

Adelaide

Fri 4/30

9:40 pm-3:05 pm

1 stop30h 55m

$1,329

Flights are sorted by cheapest round-trip flights first.

Sorted 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

Fastest flight time

28h 00m

Direct flights

None
The fastest flight from Philadelphia to Adelaide takes 28h 00m
There are no direct flights from Philadelphia to Adelaide. There are no popular flight routes from Philadelphia to Adelaide.
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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 00m.

  • 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 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.

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.

Traveling to a place near Adelaide?

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