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Cheap flights from Philadelphia to Adelaide from $1,921

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
06:00 - 15:51
ADL
-
PHL
49h 21m
3 stops
$1,921Air Canada
Sat, 7 Nov - Fri, 13 Nov
Air Canada Logo
09:15 - 16:10
PHL
-
ADL
39h 25m
3 stops
Air Canada Logo
06:00 - 22:56
ADL
-
PHL
32h 26m
3 stops
$1,975Air Canada
Thu, 5 Nov - Fri, 13 Nov
Air Canada Logo
09:15 - 18:10
PHL
-
ADL
41h 25m
3 stops
Air Canada Logo
06:00 - 22:56
ADL
-
PHL
32h 26m
3 stops
$2,063Air Canada
Tue, 3 Nov - Wed, 11 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
$2,111United Airlines
Wed, 4 Nov - Sun, 15 Nov
United Airlines Logo
12:51 - 13:55
PHL
-
ADL
33h 34m
2 stops
United Airlines Logo
07:15 - 21:20
ADL
-
PHL
29h 35m
2 stops
$2,121United Airlines
Tue, 3 Nov - Wed, 11 Nov
Air Canada Logo
09:15 - 18:10
PHL
-
ADL
41h 25m
3 stops
Air Canada Logo
19:55 - 15:51
ADL
-
PHL
59h 26m
3 stops
$2,134Air Canada
Sun, 8 Nov - Wed, 11 Nov
United Airlines Logo
18:35 - 13:55
PHL
-
ADL
51h 50m
3 stops
United Airlines Logo
08:40 - 21:20
ADL
-
PHL
28h 10m
2 stops
$2,144United Airlines
Sat, 7 Nov - Tue, 17 Nov
United Airlines Logo
09:30 - 13:00
PHL
-
ADL
36h 00m
2 stops
United Airlines Logo
08:40 - 21:20
ADL
-
PHL
28h 10m
2 stops
$2,182United Airlines
Wed, 4 Nov - Fri, 13 Nov
Multiple Airlines Logo
09:30 - 13:00
PHL
-
ADL
36h 00m
2 stops
Multiple Airlines Logo
18:55 - 16:56
ADL
-
PHL
37h 31m
2 stops
$2,185Multiple Airlines
Fri, 6 Nov - Sat, 14 Nov
United Airlines Logo
08:15 - 13:55
PHL
-
ADL
38h 10m
2 stops
United Airlines Logo
08:40 - 21:20
ADL
-
PHL
28h 10m
2 stops
$2,192United Airlines
Tue, 3 Nov - Thu, 12 Nov

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Qantas Airways flights from Philadelphia to Adelaide

Our best Qantas Airways deals on Philadelphia to Adelaide flight tickets
Qantas Airways
8 Nov
PHL15:40Philadelphia
29h 50m
2 stops
ADL13:00Adelaide
14 Nov
ADL16:10Adelaide
42h 25m
2 stops
PHL19:05Philadelphia
$2,351
Qantas Airways
7 Nov
PHL17:07Philadelphia
28h 23m
2 stops
ADL13:00Adelaide
16 Nov
ADL19:00Adelaide
40h 33m
2 stops
PHL20:03Philadelphia
$2,412
Qantas Airways
9 Nov
PHL15:55Philadelphia
29h 35m
2 stops
ADL13:00Adelaide
15 Nov
ADL19:00Adelaide
40h 33m
2 stops
PHL20:03Philadelphia
$2,422

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
13 Nov
ADL06:00Adelaide
49h 21m
3 stops
PHL15:51Philadelphia
$1,921
Air Canada
5 Nov
PHL09:15Philadelphia
39h 25m
3 stops
ADL16:10Adelaide
13 Nov
ADL06:00Adelaide
32h 26m
3 stops
PHL22:56Philadelphia
$1,975
Air Canada
3 Nov
PHL09:15Philadelphia
41h 25m
3 stops
ADL18:10Adelaide
11 Nov
ADL06:00Adelaide
32h 26m
3 stops
PHL22:56Philadelphia
$2,063

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 9 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

Fri 13/11

06:00-15:51

3 stops49h 21m

$1,921

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Thu 5/11

09:15-16:10

3 stops39h 25m

Adelaide

Fri 13/11

06:00-22:56

3 stops32h 26m

$1,975

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Tue 3/11

09:15-18:10

3 stops41h 25m

Adelaide

Wed 11/11

06:00-22:56

3 stops32h 26m

$2,063
Fastest return journey

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Wed 4/11

18:13-13:00

2 stops27h 17m

Adelaide

Sun 15/11

08:40-21:20

2 stops28h 10m

$2,111

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Tue 3/11

12:51-13:55

2 stops33h 34m

Adelaide

Wed 11/11

07:15-21:20

2 stops29h 35m

$2,121

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 8/11

09:15-18:10

3 stops41h 25m

Adelaide

Wed 11/11

19:55-15:51

3 stops59h 26m

$2,134

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sat 7/11

18:35-13:55

3 stops51h 50m

Adelaide

Tue 17/11

08:40-21:20

2 stops28h 10m

$2,144

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Wed 4/11

09:30-13:00

2 stops36h 00m

Adelaide

Fri 13/11

08:40-21:20

2 stops28h 10m

$2,182

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Fri 6/11

09:30-13:00

2 stops36h 00m

Adelaide

Sat 14/11

18:55-16:56

2 stops37h 31m

$2,185

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Tue 3/11

08:15-13:55

2 stops38h 10m

Adelaide

Thu 12/11

08:40-21:20

2 stops28h 10m

$2,192

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 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.
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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 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?

    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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