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Cheap flights from Philadelphia to Adelaide from $1,864

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 7/11. 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 return flights

Enter your travel dates to find the best prices.
Air Canada Logo
16:35 - 18:10
PHL
-
ADL
58h 05m
3 stops
Air Canada Logo
18:55 - 15:51
ADL
-
PHL
60h 26m
3 stops
$1,864Air Canada
Sat, 7 Nov - Sat, 14 Nov
Air Canada Logo
16:35 - 18:10
PHL
-
ADL
58h 05m
3 stops
Air Canada Logo
18:55 - 15:51
ADL
-
PHL
60h 26m
3 stops
$1,865Air Canada
Sat, 7 Nov - Sat, 14 Nov
Multiple Airlines Logo
18:23 - 13:45
PHL
-
ADL
29h 52m
2 stops
Multiple Airlines Logo
07:15 - 01:23
ADL
-
PHL
31h 38m
2 stops
$2,094Multiple Airlines
Mon, 29 Jun - Mon, 6 Jul
Multiple Airlines Logo
18:23 - 18:10
PHL
-
ADL
34h 17m
2 stops
Multiple Airlines Logo
06:05 - 05:31
ADL
-
PHL
36h 56m
3 stops
$2,102Multiple Airlines
Wed, 24 Jun - Wed, 29 Jul
Multiple Airlines Logo
18:23 - 16:40
PHL
-
ADL
32h 47m
2 stops
Multiple Airlines Logo
06:05 - 05:31
ADL
-
PHL
36h 56m
2 stops
$2,111Multiple Airlines
Wed, 24 Jun - Wed, 29 Jul
United Airlines Logo
09:25 - 11:10
PHL
-
ADL
36h 15m
2 stops
United Airlines Logo
06:00 - 17:17
ADL
-
PHL
24h 47m
2 stops
$2,121United Airlines
Wed, 29 Jul - Wed, 5 Aug
Multiple Airlines Logo
18:20 - 11:05
PHL
-
ADL
27h 15m
2 stops
Multiple Airlines Logo
07:15 - 01:23
ADL
-
PHL
31h 38m
2 stops
$2,150Multiple Airlines
Thu, 2 Jul - Mon, 13 Jul
Multiple Airlines Logo
18:20 - 19:10
PHL
-
ADL
35h 20m
2 stops
Multiple Airlines Logo
06:05 - 05:31
ADL
-
PHL
36h 56m
3 stops
$2,172Multiple Airlines
Thu, 2 Jul - Mon, 13 Jul
Qantas Airways Logo
15:55 - 16:25
PHL
-
ADL
33h 00m
2 stops
Qantas Airways Logo
16:10 - 07:24
ADL
-
PHL
54h 44m
2 stops
$2,226Qantas Airways
Sat, 7 Nov - Sat, 14 Nov
United Airlines Logo
18:13 - 13:00
PHL
-
ADL
27h 17m
2 stops
United Airlines Logo
08:40 - 21:20
ADL
-
PHL
28h 10m
2 stops
$2,251United Airlines
Sat, 7 Nov - Sat, 14 Nov

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Air Canada flights from Philadelphia to Adelaide

Our best Air Canada deals on Philadelphia to Adelaide flight tickets
Air Canada
7 Nov
PHL16:35Philadelphia
58h 05m
3 stops
ADL18:10Adelaide
14 Nov
ADL18:55Adelaide
60h 26m
3 stops
PHL15:51Philadelphia
$1,864
Air Canada
7 Nov
PHL16:35Philadelphia
58h 05m
3 stops
ADL18:10Adelaide
14 Nov
ADL18:55Adelaide
60h 26m
3 stops
PHL15:51Philadelphia
$1,865
Air Canada
16 June
PHL10:25Philadelphia
35h 55m
3 stops
ADL11:50Adelaide
10 July
ADL20:00Adelaide
51h 34m
3 stops
PHL10:04Philadelphia
$2,202

United Airlines flights from Philadelphia to Adelaide

Our best United Airlines deals on Philadelphia to Adelaide flight tickets
United Airlines
29 July
PHL09:25Philadelphia
36h 15m
2 stops
ADL11:10Adelaide
5 Aug
ADL06:00Adelaide
24h 47m
2 stops
PHL17:17Philadelphia
$2,121
United Airlines
7 Nov
PHL18:13Philadelphia
27h 17m
2 stops
ADL13:00Adelaide
14 Nov
ADL08:40Adelaide
28h 10m
2 stops
PHL21:20Philadelphia
$2,251
United Airlines
25 July
PHL18:23Philadelphia
27h 12m
2 stops
ADL11:05Adelaide
1 Aug
ADL06:00Adelaide
32h 53m
2 stops
PHL01:23Philadelphia
$2,261

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 14 June 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

Sat 7/11

16:35-18:10

3 stops58h 05m

Adelaide

Sat 14/11

18:55-15:51

3 stops60h 26m

$1,864

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sat 7/11

16:35-18:10

3 stops58h 05m

Adelaide

Sat 14/11

18:55-15:51

3 stops60h 26m

$1,865

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Mon 29/6

18:23-13:45

2 stops29h 52m

Adelaide

Mon 6/7

07:15-01:23

2 stops31h 38m

$2,094

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Wed 24/6

18:23-18:10

2 stops34h 17m

Adelaide

Wed 29/7

06:05-05:31

3 stops36h 56m

$2,102

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Wed 24/6

18:23-16:40

2 stops32h 47m

Adelaide

Wed 29/7

06:05-05:31

2 stops36h 56m

$2,111

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Wed 29/7

09:25-11:10

2 stops36h 15m

Adelaide

Wed 5/8

06:00-17:17

2 stops24h 47m

$2,121

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Thu 2/7

18:20-11:05

2 stops27h 15m

Adelaide

Mon 13/7

07:15-01:23

2 stops31h 38m

$2,150

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Thu 2/7

18:20-19:10

2 stops35h 20m

Adelaide

Mon 13/7

06:05-05:31

3 stops36h 56m

$2,172

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sat 7/11

15:55-16:25

2 stops33h 00m

Adelaide

Sat 14/11

16:10-07:24

2 stops54h 44m

$2,226
Fastest return journey

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sat 7/11

18:13-13:00

2 stops27h 17m

Adelaide

Sat 14/11

08:40-21:20

2 stops28h 10m

$2,251

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

27h 12m

Direct flights

None
The fastest flight from Philadelphia to Adelaide takes 27h 12m
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 27h 12m.

  • 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.

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