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.

$1,251 Cheap Flights from Philadelphia to Adelaide in 2025/26

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Find the cheapest flights from Philadelphia to Adelaide

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5:17 pm - 11:50 am

PHL

ADL

28h 03m2 stops

6:00 am - 6:51 pm

ADL

PHL

26h 21m2 stops

$1,251Qantas Airways

Tue, Mar 24 - Fri, Apr 10

12:08 pm - 11:50 am

PHL

ADL

32h 12m2 stops

7:00 pm - 8:16 pm

ADL

PHL

40h 46m2 stops

$1,341Qantas Airways

Fri, Feb 6 - Tue, Feb 10

4:33 pm - 1:40 pm

PHL

ADL

30h 37m3 stops

6:25 am - 6:51 pm

ADL

PHL

25h 56m2 stops

$1,625Multiple Airlines

Tue, Mar 24 - Fri, Apr 10

8:50 pm - 12:40 pm

PHL

ADL

49h 20m2 stops

9:40 pm - 9:00 am

ADL

PHL

48h 50m1 stop

$1,939Qatar Airways

Tue, Mar 24 - Fri, Apr 10

7:50 am - 12:40 pm

PHL

ADL

38h 20m3 stops

8:00 pm - 10:43 pm

ADL

PHL

40h 13m3 stops

$1,991Multiple Airlines

Tue, Mar 24 - Fri, Apr 10

8:50 pm - 8:40 pm

PHL

ADL

33h 20m2 stops

9:40 pm - 9:00 am

ADL

PHL

48h 50m1 stop

$2,071Qatar Airways

Tue, Mar 24 - Fri, Apr 10

6:59 pm - 1:45 pm

PHL

ADL

28h 16m2 stops

6:00 am - 10:06 pm

ADL

PHL

29h 36m3 stops

$2,149Multiple Airlines

Tue, Mar 24 - Fri, Apr 10

7:45 pm - 8:40 pm

PHL

ADL

33h 25m2 stops

10:00 pm - 9:30 am

ADL

PHL

51h 00m1 stop

$2,352Qatar Airways

Fri, Feb 6 - Tue, Feb 10

7:50 am - 1:55 pm

PHL

ADL

38h 35m3 stops

6:00 am - 10:46 pm

ADL

PHL

32h 16m3 stops

$2,416Air Canada

Fri, Feb 6 - Tue, Feb 10

Qantas Airways flights from Philadelphia to Adelaide

Our best Qantas Airways deals on Philadelphia to Adelaide flight tickets

Qantas Airways

Mar 24

PHL5:17 pmPhiladelphia

28h 03m

2 stops

ADL11:50 amAdelaide

Apr 10

ADL6:00 amAdelaide

26h 21m

2 stops

PHL6:51 pmPhiladelphia

$1,251

Find similar

Qantas Airways

Feb 6

PHL12:08 pmPhiladelphia

32h 12m

2 stops

ADL11:50 amAdelaide

Feb 10

ADL7:00 pmAdelaide

40h 46m

2 stops

PHL8:16 pmPhiladelphia

$1,341

Find similar

Qatar Airways flights from Philadelphia to Adelaide

Our best Qatar Airways deals on Philadelphia to Adelaide flight tickets

Qatar Airways

Mar 24

PHL8:50 pmPhiladelphia

49h 20m

2 stops

ADL12:40 pmAdelaide

Apr 10

ADL9:40 pmAdelaide

48h 50m

1 stop

PHL9:00 amPhiladelphia

$1,939

Find similar

Qatar Airways

Mar 24

PHL8:50 pmPhiladelphia

33h 20m

2 stops

ADL8:40 pmAdelaide

Apr 10

ADL9:40 pmAdelaide

48h 50m

1 stop

PHL9:00 amPhiladelphia

$2,071

Find similar

Qatar Airways

Feb 6

PHL7:45 pmPhiladelphia

33h 25m

2 stops

ADL8:40 pmAdelaide

Feb 10

ADL10:00 pmAdelaide

51h 00m

1 stop

PHL9:30 amPhiladelphia

$2,352

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Tue 3/24

5:17 pm-11:50 am

2 stops28h 03m

Adelaide

Fri 4/10

6:00 am-6:51 pm

2 stops26h 21m

$1,251

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Fri 2/6

12:08 pm-11:50 am

2 stops32h 12m

Adelaide

Tue 2/10

7:00 pm-8:16 pm

2 stops40h 46m

$1,341

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Tue 3/24

4:33 pm-1:40 pm

3 stops30h 37m

Adelaide

Fri 4/10

6:25 am-6:51 pm

2 stops25h 56m

$1,625

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Tue 3/24

8:50 pm-12:40 pm

2 stops49h 20m

Adelaide

Fri 4/10

9:40 pm-9:00 am

1 stop48h 50m

$1,939

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Tue 3/24

7:50 am-12:40 pm

3 stops38h 20m

Adelaide

Fri 4/10

8:00 pm-10:43 pm

3 stops40h 13m

$1,991

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Tue 3/24

8:50 pm-8:40 pm

2 stops33h 20m

Adelaide

Fri 4/10

9:40 pm-9:00 am

1 stop48h 50m

$2,071

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Tue 3/24

6:59 pm-1:45 pm

2 stops28h 16m

Adelaide

Fri 4/10

6:00 am-10:06 pm

3 stops29h 36m

$2,149

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Fri 2/6

7:45 pm-8:40 pm

2 stops33h 25m

Adelaide

Tue 2/10

10:00 pm-9:30 am

1 stop51h 00m

$2,352

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Fri 2/6

7:50 am-1:55 pm

3 stops38h 35m

Adelaide

Tue 2/10

6:00 am-10:46 pm

3 stops32h 16m

$2,416

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 day to depart on your flight to Adelaide?

The cheapest day to depart on your flight to Adelaide is on a Monday when prices can be found for as low as $1,492. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Adelaide is Saturday, with ticket prices averaging around $2,548.

What is the cheapest time of day to depart on your flight to Adelaide?

According to our data, the cheapest time of day to fly to Adelaide is in the evening. momondo users have found flights departing from Philadelphia to Adelaide in the evening for as low as $2,151. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Adelaide are more costly in the afternoon, with an average ticket price of $2,508. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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	23h 35m
Direct flights	None

The fastest flight from Philadelphia to Adelaide takes 23h 35m

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

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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 23h 35m.
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.

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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.