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Cheap flights from Philadelphia to Adelaide from $835

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 10/14. 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.
Air Canada Logo
9:15 am - 6:10 pm
PHL
-
ADL
42h 25m
3 stops
Air Canada Logo
6:00 am - 10:56 pm
ADL
-
PHL
32h 26m
3 stops
$1,422Air Canada
Sat, Oct 31 - Wed, Nov 4
Qatar Airways Logo
9:30 pm - 2:10 pm
PHL
-
ADL
50h 10m
2 stops
Qatar Airways Logo
10:00 pm - 2:40 pm
ADL
-
PHL
32h 10m
1 stop
$1,449Qatar Airways
Sat, Oct 31 - Wed, Nov 4
United Airlines Logo
1:22 pm - 12:00 pm
PHL
-
ADL
32h 08m
3 stops
United Airlines Logo
7:55 pm - 5:09 pm
ADL
-
PHL
36h 44m
2 stops
$1,466United Airlines
Sat, Oct 31 - Wed, Nov 4
Qatar Airways Logo
9:30 pm - 4:30 pm
PHL
-
ADL
28h 30m
1 stop
Qatar Airways Logo
10:00 pm - 2:40 pm
ADL
-
PHL
32h 10m
1 stop
$1,486Qatar Airways
Sat, Oct 31 - Wed, Nov 4
Air Canada Logo
9:15 am - 6:10 pm
PHL
-
ADL
42h 25m
3 stops
Air Canada Logo
6:00 am - 10:56 pm
ADL
-
PHL
32h 26m
3 stops
$1,501Air Canada
Sat, Oct 31 - Wed, Nov 4
Qatar Airways Logo
9:30 pm - 8:40 pm
PHL
-
ADL
32h 40m
2 stops
Qatar Airways Logo
6:20 pm - 2:40 pm
ADL
-
PHL
35h 50m
2 stops
$1,530Qatar Airways
Sat, Oct 31 - Wed, Nov 4
Qantas Airways Logo
12:25 pm - 11:15 am
PHL
-
ADL
31h 20m
2 stops
Qantas Airways Logo
1:20 pm - 7:28 am
ADL
-
PHL
57h 38m
2 stops
$1,824Qantas Airways
Thu, Dec 24 - Wed, Dec 30
United Airlines Logo
6:13 pm - 9:30 am
PHL
-
ADL
23h 47m
1 stop
United Airlines Logo
2:30 pm - 5:51 am
ADL
-
PHL
54h 51m
2 stops
$2,012United Airlines
Thu, Dec 24 - Wed, Dec 30
United Airlines Logo
1:12 pm - 2:10 pm
PHL
-
ADL
33h 28m
3 stops
United Airlines Logo
2:30 pm - 5:51 am
ADL
-
PHL
54h 51m
2 stops
$2,098United Airlines
Thu, Dec 24 - Wed, Dec 30
United Airlines Logo
1:12 pm - 2:10 pm
PHL
-
ADL
33h 28m
3 stops
United Airlines Logo
2:30 pm - 12:25 pm
ADL
-
PHL
61h 25m
3 stops
$2,220United Airlines
Thu, Dec 24 - Wed, Dec 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 31
PHL9:15 amPhiladelphia
42h 25m
3 stops
ADL6:10 pmAdelaide
Nov 4
ADL6:00 amAdelaide
32h 26m
3 stops
PHL10:56 pmPhiladelphia
$1,501

Qatar Airways flights from Philadelphia to Adelaide

Our best Qatar Airways deals on Philadelphia to Adelaide flight tickets
Qatar Airways
Oct 31
PHL9:30 pmPhiladelphia
50h 10m
2 stops
ADL2:10 pmAdelaide
Nov 4
ADL10:00 pmAdelaide
32h 10m
1 stop
PHL2:40 pmPhiladelphia
$1,449
Qatar Airways
Oct 31
PHL9:30 pmPhiladelphia
28h 30m
1 stop
ADL4:30 pmAdelaide
Nov 4
ADL10:00 pmAdelaide
32h 10m
1 stop
PHL2:40 pmPhiladelphia
$1,486
Qatar Airways
Oct 31
PHL9:30 pmPhiladelphia
32h 40m
2 stops
ADL8:40 pmAdelaide
Nov 4
ADL6:20 pmAdelaide
35h 50m
2 stops
PHL2:40 pmPhiladelphia
$1,530

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 23, 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

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sat 10/31

9:15 am-6:10 pm

3 stops42h 25m

Adelaide

Wed 11/4

6:00 am-10:56 pm

3 stops32h 26m

$1,422

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sat 10/31

9:30 pm-2:10 pm

2 stops50h 10m

Adelaide

Wed 11/4

10:00 pm-2:40 pm

1 stop32h 10m

$1,449

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sat 10/31

1:22 pm-12:00 pm

3 stops32h 08m

Adelaide

Wed 11/4

7:55 pm-5:09 pm

2 stops36h 44m

$1,466
Quickest round-trip

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sat 10/31

9:30 pm-4:30 pm

1 stop28h 30m

Adelaide

Wed 11/4

10:00 pm-2:40 pm

1 stop32h 10m

$1,486

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sat 10/31

9:15 am-6:10 pm

3 stops42h 25m

Adelaide

Wed 11/4

6:00 am-10:56 pm

3 stops32h 26m

$1,501

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sat 10/31

9:30 pm-8:40 pm

2 stops32h 40m

Adelaide

Wed 11/4

6:20 pm-2:40 pm

2 stops35h 50m

$1,530

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Thu 12/24

12:25 pm-11:15 am

2 stops31h 20m

Adelaide

Wed 12/30

1:20 pm-7:28 am

2 stops57h 38m

$1,824

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Thu 12/24

6:13 pm-9:30 am

1 stop23h 47m

Adelaide

Wed 12/30

2:30 pm-5:51 am

2 stops54h 51m

$2,012

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Thu 12/24

1:12 pm-2:10 pm

3 stops33h 28m

Adelaide

Wed 12/30

2:30 pm-5:51 am

2 stops54h 51m

$2,098

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Thu 12/24

1:12 pm-2:10 pm

3 stops33h 28m

Adelaide

Wed 12/30

2:30 pm-12:25 pm

3 stops61h 25m

$2,220

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Adelaide from

How to get the cheapest flight ticket from Philadelphia to Adelaide

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Philadelphia to Adelaide?

Qatar Airways is the most popular carrier operating from Philadelphia to Adelaide

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

31h 20m

Direct flights

None
The fastest flight from Philadelphia to Adelaide takes 31h 20m
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 31h 20m.

  • 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.

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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