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Cheap flights from Philadelphia to Adelaide from $1,839

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Adelaide departing on 14/6. 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
15:29 - 11:15
PHL
-
ADL
30h 16m
2 stops
Qantas Airways Logo
06:00 - 18:39
ADL
-
PHL
26h 09m
2 stops
$1,839Qantas Airways
Sun, 14 Jun - Wed, 8 Jul
Qantas Airways Logo
15:29 - 22:35
PHL
-
ADL
41h 36m
2 stops
Qantas Airways Logo
06:00 - 18:39
ADL
-
PHL
26h 09m
2 stops
$1,853Qantas Airways
Sun, 14 Jun - Wed, 8 Jul
Qantas Airways Logo
15:29 - 22:35
PHL
-
ADL
41h 36m
2 stops
Qantas Airways Logo
06:00 - 18:39
ADL
-
PHL
26h 09m
2 stops
$1,854Qantas Airways
Sun, 14 Jun - Wed, 8 Jul
Qantas Airways Logo
15:29 - 11:15
PHL
-
ADL
30h 16m
2 stops
Qantas Airways Logo
10:10 - 22:17
ADL
-
PHL
25h 37m
2 stops
$1,878Qantas Airways
Sun, 14 Jun - Wed, 8 Jul
Multiple Airlines Logo
10:25 - 11:50
PHL
-
ADL
35h 55m
2 stops
Multiple Airlines Logo
16:30 - 15:41
ADL
-
PHL
60h 41m
2 stops
$1,899Multiple Airlines
Sun, 14 Jun - Wed, 8 Jul
American Airlines Logo
15:29 - 11:15
PHL
-
ADL
30h 16m
2 stops
American Airlines Logo
13:15 - 07:00
ADL
-
PHL
31h 15m
2 stops
$1,967American Airlines
Sun, 14 Jun - Wed, 8 Jul
Qantas Airways Logo
17:43 - 13:00
PHL
-
ADL
28h 47m
2 stops
Qantas Airways Logo
07:50 - 19:05
ADL
-
PHL
26h 45m
2 stops
$1,973Qantas Airways
Fri, 30 Oct - Sun, 8 Nov
Air Canada Logo
10:25 - 11:50
PHL
-
ADL
35h 55m
3 stops
Air Canada Logo
20:00 - 15:41
ADL
-
PHL
57h 11m
3 stops
$1,975Air Canada
Sun, 14 Jun - Mon, 6 Jul
Air Canada Logo
16:35 - 13:55
PHL
-
ADL
54h 50m
3 stops
Air Canada Logo
06:00 - 22:56
ADL
-
PHL
32h 26m
3 stops
$2,001Air Canada
Fri, 30 Oct - Sun, 8 Nov
Qantas Airways Logo
17:40 - 11:05
PHL
-
ADL
27h 55m
2 stops
Qantas Airways Logo
06:00 - 18:39
ADL
-
PHL
26h 09m
2 stops
$2,012Qantas Airways
Mon, 15 Jun - Wed, 8 Jul

United Airlines flights from Philadelphia to Adelaide

Our best United Airlines deals on Philadelphia to Adelaide flight tickets
United Airlines
15 June
PHL09:25Philadelphia
36h 10m
2 stops
ADL11:05Adelaide
6 July
ADL06:40Adelaide
32h 13m
2 stops
PHL01:23Philadelphia
$2,074
United Airlines
14 June
PHL18:23Philadelphia
27h 17m
2 stops
ADL11:10Adelaide
8 July
ADL06:05Adelaide
36h 56m
3 stops
PHL05:31Philadelphia
$2,079
United Airlines
14 June
PHL18:23Philadelphia
27h 17m
2 stops
ADL11:10Adelaide
8 July
ADL06:05Adelaide
36h 56m
3 stops
PHL05:31Philadelphia
$2,080

Air Canada flights from Philadelphia to Adelaide

Our best Air Canada deals on Philadelphia to Adelaide flight tickets
Air Canada
14 June
PHL10:25Philadelphia
35h 55m
3 stops
ADL11:50Adelaide
6 July
ADL20:00Adelaide
57h 11m
3 stops
PHL15:41Philadelphia
$1,975
Air Canada
30 Oct
PHL16:35Philadelphia
54h 50m
3 stops
ADL13:55Adelaide
8 Nov
ADL06:00Adelaide
32h 26m
3 stops
PHL22:56Philadelphia
$2,001
Air Canada
14 June
PHL10:25Philadelphia
35h 55m
3 stops
ADL11:50Adelaide
9 July
ADL20:00Adelaide
57h 11m
3 stops
PHL15:41Philadelphia
$2,045

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 30 May 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 return flight

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 14/6

15:29-11:15

2 stops30h 16m

Adelaide

Wed 8/7

06:00-18:39

2 stops26h 09m

$1,839

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 14/6

15:29-22:35

2 stops41h 36m

Adelaide

Wed 8/7

06:00-18:39

2 stops26h 09m

$1,853

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 14/6

15:29-22:35

2 stops41h 36m

Adelaide

Wed 8/7

06:00-18:39

2 stops26h 09m

$1,854

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 14/6

15:29-11:15

2 stops30h 16m

Adelaide

Wed 8/7

10:10-22:17

2 stops25h 37m

$1,878

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 14/6

10:25-11:50

2 stops35h 55m

Adelaide

Wed 8/7

16:30-15:41

2 stops60h 41m

$1,899

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 14/6

15:29-11:15

2 stops30h 16m

Adelaide

Wed 8/7

13:15-07:00

2 stops31h 15m

$1,967

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Fri 30/10

17:43-13:00

2 stops28h 47m

Adelaide

Sun 8/11

07:50-19:05

2 stops26h 45m

$1,973

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 14/6

10:25-11:50

3 stops35h 55m

Adelaide

Mon 6/7

20:00-15:41

3 stops57h 11m

$1,975

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Fri 30/10

16:35-13:55

3 stops54h 50m

Adelaide

Sun 8/11

06:00-22:56

3 stops32h 26m

$2,001
Fastest return journey

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Mon 15/6

17:40-11:05

2 stops27h 55m

Adelaide

Wed 8/7

06:00-18:39

2 stops26h 09m

$2,012

Flights are sorted by cheapest return 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 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

28h 47m

Direct flights

None
The fastest flight from Philadelphia to Adelaide takes 28h 47m
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?

    There are 16989.8 km between Philadelphia and Adelaide. A reasonable flight in good conditions will take 28h 47m.

  • 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.

Frequently asked questions about flying from Philadelphia to Adelaide

  • How do I get Price Alerts for flights from Philadelphia to Adelaide?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Philadelphia from Adelaide. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Philadelphia to Adelaide with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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.

An easier way to manage your Adelaide trip

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