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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 18/3. 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

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Cheap return flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
15:43 - 11:55
PHL
-
ADL
30h 42m
2 stops
Qantas Airways Logo
12:40 - 05:52
ADL
-
PHL
30h 42m
2 stops
$2,091Qantas Airways
Wed, 15 Apr - Wed, 22 Apr
Qantas Airways Logo
14:18 - 09:50
PHL
-
ADL
29h 02m
2 stops
Qantas Airways Logo
13:25 - 05:52
ADL
-
PHL
29h 57m
2 stops
$2,097Qantas Airways
Tue, 24 Mar - Fri, 10 Apr
Qantas Airways Logo
14:18 - 09:50
PHL
-
ADL
29h 02m
2 stops
Qantas Airways Logo
13:25 - 05:52
ADL
-
PHL
29h 57m
2 stops
$2,098Qantas Airways
Tue, 24 Mar - Fri, 10 Apr
Qantas Airways Logo
14:18 - 13:00
PHL
-
ADL
32h 12m
2 stops
Qantas Airways Logo
11:50 - 05:52
ADL
-
PHL
31h 32m
2 stops
$2,120Qantas Airways
Tue, 24 Mar - Fri, 10 Apr
Qantas Airways Logo
14:18 - 09:50
PHL
-
ADL
29h 02m
2 stops
Qantas Airways Logo
17:10 - 07:08
ADL
-
PHL
27h 28m
2 stops
$2,128Qantas Airways
Tue, 24 Mar - Fri, 10 Apr
Multiple Airlines Logo
12:55 - 10:55
PHL
-
ADL
32h 30m
2 stops
Multiple Airlines Logo
12:05 - 14:16
ADL
-
PHL
39h 41m
3 stops
$2,245Multiple Airlines
Wed, 15 Apr - Wed, 22 Apr
Qatar Airways Logo
20:30 - 11:30
PHL
-
ADL
49h 30m
2 stops
Qatar Airways Logo
21:40 - 09:05
ADL
-
PHL
48h 55m
1 stop
$2,679Qatar Airways
Wed, 15 Apr - Wed, 22 Apr
Qatar Airways Logo
20:45 - 12:40
PHL
-
ADL
49h 25m
2 stops
Qatar Airways Logo
21:40 - 09:05
ADL
-
PHL
48h 55m
1 stop
$3,073Qatar Airways
Tue, 24 Mar - Fri, 10 Apr
Qatar Airways Logo
20:45 - 12:40
PHL
-
ADL
49h 25m
2 stops
Qatar Airways Logo
21:40 - 09:05
ADL
-
PHL
48h 55m
1 stop
$3,074Qatar Airways
Tue, 24 Mar - Fri, 10 Apr
Multiple Airlines Logo
09:15 - 11:50
PHL
-
ADL
37h 05m
3 stops
Multiple Airlines Logo
17:15 - 22:43
ADL
-
PHL
42h 58m
3 stops
$3,120Multiple Airlines
Wed, 15 Apr - Wed, 22 Apr

Qantas Airways flights from Philadelphia to Adelaide

Our best Qantas Airways deals on Philadelphia to Adelaide flight tickets
Qantas Airways
15 Apr
PHL15:43Philadelphia
30h 42m
2 stops
ADL11:55Adelaide
22 Apr
ADL12:40Adelaide
30h 42m
2 stops
PHL05:52Philadelphia
$2,091
Qantas Airways
24 Mar
PHL14:18Philadelphia
29h 02m
2 stops
ADL09:50Adelaide
10 Apr
ADL13:25Adelaide
29h 57m
2 stops
PHL05:52Philadelphia
$2,097
Qantas Airways
24 Mar
PHL14:18Philadelphia
29h 02m
2 stops
ADL09:50Adelaide
10 Apr
ADL13:25Adelaide
29h 57m
2 stops
PHL05:52Philadelphia
$2,098

Qatar Airways flights from Philadelphia to Adelaide

Our best Qatar Airways deals on Philadelphia to Adelaide flight tickets
Qatar Airways
15 Apr
PHL20:30Philadelphia
49h 30m
2 stops
ADL11:30Adelaide
22 Apr
ADL21:40Adelaide
48h 55m
1 stop
PHL09:05Philadelphia
$2,679
Qatar Airways
24 Mar
PHL20:45Philadelphia
49h 25m
2 stops
ADL12:40Adelaide
10 Apr
ADL21:40Adelaide
48h 55m
1 stop
PHL09:05Philadelphia
$3,073
Qatar Airways
24 Mar
PHL20:45Philadelphia
49h 25m
2 stops
ADL12:40Adelaide
10 Apr
ADL21:40Adelaide
48h 55m
1 stop
PHL09:05Philadelphia
$3,074

momondo Fare Finder

 
Customise 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 78,305 searches. Data last updated 2 March 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

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Wed 15/4

15:43-11:55

2 stops30h 42m

Adelaide

Wed 22/4

12:40-05:52

2 stops30h 42m

$2,091

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Tue 24/3

14:18-09:50

2 stops29h 02m

Adelaide

Fri 10/4

13:25-05:52

2 stops29h 57m

$2,097

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Tue 24/3

14:18-09:50

2 stops29h 02m

Adelaide

Fri 10/4

13:25-05:52

2 stops29h 57m

$2,098

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Tue 24/3

14:18-13:00

2 stops32h 12m

Adelaide

Fri 10/4

11:50-05:52

2 stops31h 32m

$2,120

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Tue 24/3

14:18-09:50

2 stops29h 02m

Adelaide

Fri 10/4

17:10-07:08

2 stops27h 28m

$2,128

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Wed 15/4

12:55-10:55

2 stops32h 30m

Adelaide

Wed 22/4

12:05-14:16

3 stops39h 41m

$2,245

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Wed 15/4

20:30-11:30

2 stops49h 30m

Adelaide

Wed 22/4

21:40-09:05

1 stop48h 55m

$2,679

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Tue 24/3

20:45-12:40

2 stops49h 25m

Adelaide

Fri 10/4

21:40-09:05

1 stop48h 55m

$3,073

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Tue 24/3

20:45-12:40

2 stops49h 25m

Adelaide

Fri 10/4

21:40-09:05

1 stop48h 55m

$3,074

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Wed 15/4

09:15-11:50

3 stops37h 05m

Adelaide

Wed 22/4

17:15-22:43

3 stops42h 58m

$3,120

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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?

Qantas Airways, Air New Zealand, and Qatar Airways 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 return 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

30h 42m

Direct flights

None
The fastest flight from Philadelphia to Adelaide takes 30h 42m
There are no direct flights from Philadelphia to Adelaide. There are no popular flight routes from Philadelphia to Adelaide.
Search flight deals

  • How far is Philadelphia to Adelaide by plane?

    There are 16989.8 km between Philadelphia and Adelaide. A reasonable flight in good conditions will take 30h 42m.

  • 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify 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 required travel and health documents for your Adelaide Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Adelaide Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling 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?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Adelaide from Philadelphia.

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

All flight searches from Philadelphia to Adelaide on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Philadelphia to Adelaide flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Adelaide, momondo offers a useful price alert feature which will track prices for flights to Adelaide from Philadelphia and alert you when they change.

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