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Cheap flights from Philadelphia to Adelaide from $1,640

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.
Multiple Airlines Logo
18:23 - 11:05
PHL
-
ADL
27h 12m
2 stops
Multiple Airlines Logo
06:05 - 05:31
ADL
-
PHL
36h 56m
2 stops
$1,640Multiple Airlines
Sun, 14 Jun - Wed, 8 Jul
Air New Zealand Logo
18:23 - 11:05
PHL
-
ADL
27h 12m
2 stops
Air New Zealand Logo
06:00 - 17:17
ADL
-
PHL
24h 47m
2 stops
$1,648Air New Zealand
Sun, 14 Jun - Wed, 8 Jul
EVA Air Logo
18:23 - 11:05
PHL
-
ADL
27h 12m
2 stops
EVA Air Logo
06:05 - 01:23
ADL
-
PHL
32h 48m
2 stops
$1,707EVA Air
Sun, 14 Jun - Thu, 9 Jul
United Airlines Logo
09:25 - 11:05
PHL
-
ADL
36h 10m
2 stops
United Airlines Logo
20:00 - 07:50
ADL
-
PHL
49h 20m
2 stops
$1,733United Airlines
Sat, 13 Jun - Sun, 5 Jul
ANA Logo
10:25 - 13:55
PHL
-
ADL
38h 00m
2 stops
ANA Logo
20:00 - 15:41
ADL
-
PHL
57h 11m
2 stops
$1,885ANA
Sun, 14 Jun - Wed, 8 Jul
Multiple Airlines Logo
10:25 - 13:55
PHL
-
ADL
38h 00m
2 stops
Multiple Airlines Logo
19:00 - 10:04
ADL
-
PHL
52h 34m
2 stops
$1,896Multiple Airlines
Sun, 14 Jun - Thu, 9 Jul
Multiple Airlines Logo
06:00 - 13:55
PHL
-
ADL
42h 25m
2 stops
Multiple Airlines Logo
20:00 - 10:04
ADL
-
PHL
51h 34m
2 stops
$1,948Multiple Airlines
Fri, 12 Jun - Fri, 10 Jul
Air Canada Logo
06:00 - 11:50
PHL
-
ADL
40h 20m
3 stops
Air Canada Logo
19:00 - 15:41
ADL
-
PHL
58h 11m
3 stops
$2,008Air Canada
Sun, 14 Jun - Mon, 6 Jul
United Airlines Logo
18:23 - 11:05
PHL
-
ADL
27h 12m
2 stops
United Airlines Logo
06:40 - 01:23
ADL
-
PHL
32h 13m
2 stops
$2,053United Airlines
Sun, 14 Jun - Mon, 6 Jul
United Airlines Logo
18:23 - 11:05
PHL
-
ADL
27h 12m
2 stops
United Airlines Logo
06:40 - 01:23
ADL
-
PHL
32h 13m
2 stops
$2,055United Airlines
Sun, 14 Jun - Mon, 6 Jul

Air New Zealand flights from Philadelphia to Adelaide

Our best Air New Zealand deals on Philadelphia to Adelaide flight tickets
Air New Zealand
14 June
PHL18:23Philadelphia
27h 12m
2 stops
ADL11:05Adelaide
8 July
ADL06:00Adelaide
24h 47m
2 stops
PHL17:17Philadelphia
$1,648
Air New Zealand
13 May
PHL08:05Philadelphia
37h 20m
2 stops
ADL10:55Adelaide
20 May
ADL19:10Adelaide
43h 49m
2 stops
PHL01:29Philadelphia
$3,016

United Airlines flights from Philadelphia to Adelaide

Our best United Airlines deals on Philadelphia to Adelaide flight tickets
United Airlines
13 June
PHL09:25Philadelphia
36h 10m
2 stops
ADL11:05Adelaide
5 July
ADL20:00Adelaide
49h 20m
2 stops
PHL07:50Philadelphia
$1,733
United Airlines
14 June
PHL09:25Philadelphia
36h 10m
2 stops
ADL11:05Adelaide
8 July
ADL06:05Adelaide
36h 56m
3 stops
PHL05:31Philadelphia
$2,053
United Airlines
14 June
PHL18:23Philadelphia
27h 12m
2 stops
ADL11:05Adelaide
6 July
ADL06:40Adelaide
32h 13m
2 stops
PHL01:23Philadelphia
$2,055

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 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

18:23-11:05

2 stops27h 12m

Adelaide

Wed 8/7

06:05-05:31

2 stops36h 56m

$1,640
Fastest return journey

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 14/6

18:23-11:05

2 stops27h 12m

Adelaide

Wed 8/7

06:00-17:17

2 stops24h 47m

$1,648

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 14/6

18:23-11:05

2 stops27h 12m

Adelaide

Thu 9/7

06:05-01:23

2 stops32h 48m

$1,707

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sat 13/6

09:25-11:05

2 stops36h 10m

Adelaide

Sun 5/7

20:00-07:50

2 stops49h 20m

$1,733

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 14/6

10:25-13:55

2 stops38h 00m

Adelaide

Wed 8/7

20:00-15:41

2 stops57h 11m

$1,885

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 14/6

10:25-13:55

2 stops38h 00m

Adelaide

Thu 9/7

19:00-10:04

2 stops52h 34m

$1,896

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Fri 12/6

06:00-13:55

2 stops42h 25m

Adelaide

Fri 10/7

20:00-10:04

2 stops51h 34m

$1,948

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 14/6

06:00-11:50

3 stops40h 20m

Adelaide

Mon 6/7

19:00-15:41

3 stops58h 11m

$2,008

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 14/6

18:23-11:05

2 stops27h 12m

Adelaide

Mon 6/7

06:40-01:23

2 stops32h 13m

$2,053

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 14/6

18:23-11:05

2 stops27h 12m

Adelaide

Mon 6/7

06:40-01:23

2 stops32h 13m

$2,055

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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

36h 10m

Direct flights

None
The fastest flight from Philadelphia to Adelaide takes 36h 10m
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 36h 10m.

  • 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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