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Cheap flights from Philadelphia to Adelaide from $776

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 9/4. 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
0 bags

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Find the cheapest flights from Philadelphia to Adelaide

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:25 am - 1:55 pm
PHL
-
ADL
38h 00m
2 stops
Multiple Airlines Logo
7:00 pm - 10:04 am
ADL
-
PHL
52h 34m
2 stops
$1,362Multiple Airlines
Sun, Jun 14 - Thu, Jul 9
Multiple Airlines Logo
6:00 am - 1:55 pm
PHL
-
ADL
42h 25m
2 stops
Multiple Airlines Logo
8:00 pm - 10:04 am
ADL
-
PHL
51h 34m
2 stops
$1,400Multiple Airlines
Sat, Jun 13 - Thu, Jul 9
Air Canada Logo
10:25 am - 1:55 pm
PHL
-
ADL
38h 00m
3 stops
Air Canada Logo
4:30 pm - 3:41 pm
ADL
-
PHL
60h 41m
3 stops
$1,455Air Canada
Sun, Jun 14 - Tue, Jul 7
Multiple Airlines Logo
6:23 pm - 5:15 pm
PHL
-
ADL
33h 22m
2 stops
Multiple Airlines Logo
6:05 am - 5:31 am
ADL
-
PHL
36h 56m
2 stops
$1,474Multiple Airlines
Mon, Jun 15 - Wed, Jul 8
Multiple Airlines Logo
6:23 pm - 5:15 pm
PHL
-
ADL
33h 22m
2 stops
Multiple Airlines Logo
6:05 am - 5:31 am
ADL
-
PHL
36h 56m
2 stops
$1,475Multiple Airlines
Mon, Jun 15 - Tue, Jul 7
Multiple Airlines Logo
6:23 pm - 5:15 pm
PHL
-
ADL
33h 22m
2 stops
Multiple Airlines Logo
6:00 am - 5:17 pm
ADL
-
PHL
24h 47m
2 stops
$1,481Multiple Airlines
Mon, Jun 15 - Tue, Jul 7
United Airlines Logo
9:25 am - 11:05 am
PHL
-
ADL
36h 10m
2 stops
United Airlines Logo
6:05 am - 5:31 am
ADL
-
PHL
36h 56m
3 stops
$1,488United Airlines
Mon, Jun 15 - Wed, Jul 8
United Airlines Logo
6:23 pm - 11:05 am
PHL
-
ADL
27h 12m
2 stops
United Airlines Logo
6:40 am - 5:31 am
ADL
-
PHL
36h 21m
3 stops
$1,489United Airlines
Sun, Jun 14 - Mon, Jul 6
United Airlines Logo
9:25 am - 11:10 am
PHL
-
ADL
36h 15m
2 stops
United Airlines Logo
6:40 am - 1:23 am
ADL
-
PHL
32h 13m
2 stops
$1,491United Airlines
Sun, Jun 14 - Mon, Jul 6
Air New Zealand Logo
6:23 pm - 11:05 am
PHL
-
ADL
27h 12m
2 stops
Air New Zealand Logo
6:00 am - 5:17 pm
ADL
-
PHL
24h 47m
2 stops
$1,494Air New Zealand
Mon, Jun 15 - Tue, Jul 7

United Airlines flights from Philadelphia to Adelaide

Our best United Airlines deals on Philadelphia to Adelaide flight tickets
United Airlines
Jun 15
PHL9:25 amPhiladelphia
36h 10m
2 stops
ADL11:05 amAdelaide
Jul 8
ADL6:05 amAdelaide
36h 56m
3 stops
PHL5:31 amPhiladelphia
$1,488
United Airlines
Jun 14
PHL6:23 pmPhiladelphia
27h 12m
2 stops
ADL11:05 amAdelaide
Jul 6
ADL6:40 amAdelaide
36h 21m
3 stops
PHL5:31 amPhiladelphia
$1,489
United Airlines
Jun 14
PHL9:25 amPhiladelphia
36h 15m
2 stops
ADL11:10 amAdelaide
Jul 6
ADL6:40 amAdelaide
32h 13m
2 stops
PHL1:23 amPhiladelphia
$1,491

Air New Zealand flights from Philadelphia to Adelaide

Our best Air New Zealand deals on Philadelphia to Adelaide flight tickets
Air New Zealand
Jun 15
PHL6:23 pmPhiladelphia
27h 12m
2 stops
ADL11:05 amAdelaide
Jul 7
ADL6:00 amAdelaide
24h 47m
2 stops
PHL5:17 pmPhiladelphia
$1,494
Air New Zealand
Jun 15
PHL6:23 pmPhiladelphia
27h 12m
2 stops
ADL11:05 amAdelaide
Jul 9
ADL6:00 amAdelaide
32h 53m
2 stops
PHL1:23 amPhiladelphia
$1,544

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 May 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

Sun 6/14

10:25 am-1:55 pm

2 stops38h 00m

Adelaide

Thu 7/9

7:00 pm-10:04 am

2 stops52h 34m

$1,362

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sat 6/13

6:00 am-1:55 pm

2 stops42h 25m

Adelaide

Thu 7/9

8:00 pm-10:04 am

2 stops51h 34m

$1,400

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 6/14

10:25 am-1:55 pm

3 stops38h 00m

Adelaide

Tue 7/7

4:30 pm-3:41 pm

3 stops60h 41m

$1,455

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Mon 6/15

6:23 pm-5:15 pm

2 stops33h 22m

Adelaide

Wed 7/8

6:05 am-5:31 am

2 stops36h 56m

$1,474

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Mon 6/15

6:23 pm-5:15 pm

2 stops33h 22m

Adelaide

Tue 7/7

6:05 am-5:31 am

2 stops36h 56m

$1,475

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Mon 6/15

6:23 pm-5:15 pm

2 stops33h 22m

Adelaide

Tue 7/7

6:00 am-5:17 pm

2 stops24h 47m

$1,481

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Mon 6/15

9:25 am-11:05 am

2 stops36h 10m

Adelaide

Wed 7/8

6:05 am-5:31 am

3 stops36h 56m

$1,488

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 6/14

6:23 pm-11:05 am

2 stops27h 12m

Adelaide

Mon 7/6

6:40 am-5:31 am

3 stops36h 21m

$1,489

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 6/14

9:25 am-11:10 am

2 stops36h 15m

Adelaide

Mon 7/6

6:40 am-1:23 am

2 stops32h 13m

$1,491
Quickest round-trip

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Mon 6/15

6:23 pm-11:05 am

2 stops27h 12m

Adelaide

Tue 7/7

6:00 am-5:17 pm

2 stops24h 47m

$1,494

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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?

Fiji Airways and United Airlines are the most popular carriers 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

27h 17m

Direct flights

None
The fastest flight from Philadelphia to Adelaide takes 27h 17m
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 27h 17m.

  • 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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