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.

$1,893 Cheap Flights from Philadelphia to Adelaide in 2025/26

1 adult

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Find the cheapest flights from Philadelphia to Adelaide

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

17:17 - 11:50

PHL

ADL

28h 03m2 stops

06:25 - 18:51

ADL

PHL

25h 56m2 stops

$1,893Qantas Airways

Tue, 24 Mar - Fri, 10 Apr

12:08 - 10:55

PHL

ADL

31h 17m2 stops

06:25 - 19:47

ADL

PHL

28h 52m2 stops

$1,999Qantas Airways

Wed, 14 Jan - Sat, 21 Feb

15:35 - 11:50

PHL

ADL

28h 45m2 stops

06:00 - 19:47

ADL

PHL

29h 17m2 stops

$2,008Qantas Airways

Wed, 14 Jan - Sun, 22 Feb

14:16 - 18:25

PHL

ADL

37h 39m2 stops

19:00 - 23:50

ADL

PHL

43h 20m2 stops

$2,030Qantas Airways

Fri, 20 Mar - Thu, 26 Mar

15:35 - 13:45

PHL

ADL

30h 40m2 stops

06:00 - 19:47

ADL

PHL

29h 17m2 stops

$2,032Qantas Airways

Sun, 18 Jan - Sun, 22 Feb

15:42 - 10:55

PHL

ADL

28h 43m2 stops

20:00 - 07:05

ADL

PHL

49h 35m2 stops

$2,050Qantas Airways

Fri, 20 Mar - Mon, 30 Mar

17:17 - 12:40

PHL

ADL

28h 53m2 stops

09:00 - 19:25

ADL

PHL

24h 55m2 stops

$2,074Multiple Airlines

Sun, 22 Mar - Fri, 27 Mar

12:25 - 18:50

PHL

ADL

39h 55m2 stops

06:25 - 23:50

ADL

PHL

31h 55m2 stops

$2,176Qantas Airways

Sat, 21 Mar - Sat, 28 Mar

16:01 - 18:50

PHL

ADL

36h 19m2 stops

14:25 - 07:05

ADL

PHL

31h 10m2 stops

$2,177Qantas Airways

Sat, 21 Mar - Sun, 29 Mar

16:33 - 13:40

PHL

ADL

30h 37m3 stops

06:25 - 18:51

ADL

PHL

25h 56m2 stops

$2,460Multiple Airlines

Tue, 24 Mar - Fri, 10 Apr

Qatar Airways flights from Philadelphia to Adelaide

Our best Qatar Airways deals on Philadelphia to Adelaide flight tickets

Qatar Airways

21 Mar

PHL20:50Philadelphia

33h 20m

2 stops

ADL20:40Adelaide

28 Mar

ADL22:00Adelaide

49h 30m

1 stop

PHL09:00Philadelphia

$2,654

Find similar

Qatar Airways

22 Mar

PHL20:50Philadelphia

33h 20m

2 stops

ADL20:40Adelaide

30 Mar

ADL22:00Adelaide

49h 30m

1 stop

PHL09:00Philadelphia

$2,661

Find similar

Qatar Airways

21 Mar

PHL20:50Philadelphia

44h 40m

2 stops

ADL08:00Adelaide

30 Mar

ADL22:00Adelaide

49h 30m

1 stop

PHL09:00Philadelphia

$2,717

Find similar

United Airlines flights from Philadelphia to Adelaide

Our best United Airlines deals on Philadelphia to Adelaide flight tickets

United Airlines

23 Mar

PHL18:20Philadelphia

23h 40m

1 stop

ADL08:30Adelaide

30 Mar

ADL06:00Adelaide

25h 28m

2 stops

PHL16:58Philadelphia

$2,607

Find similar

United Airlines

22 Mar

PHL08:41Philadelphia

38h 59m

2 stops

ADL14:10Adelaide

28 Mar

ADL11:35Adelaide

69h 38m

3 stops

PHL18:43Philadelphia

$2,673

Find similar

United Airlines

21 Mar

PHL08:41Philadelphia

33h 19m

1 stop

ADL08:30Adelaide

29 Mar

ADL06:10Adelaide

25h 18m

2 stops

PHL16:58Philadelphia

$2,676

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Tue 24/3

17:17-11:50

2 stops28h 03m

Adelaide

Fri 10/4

06:25-18:51

2 stops25h 56m

$1,893

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Wed 14/1

12:08-10:55

2 stops31h 17m

Adelaide

Sat 21/2

06:25-19:47

2 stops28h 52m

$1,999

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Wed 14/1

15:35-11:50

2 stops28h 45m

Adelaide

Sun 22/2

06:00-19:47

2 stops29h 17m

$2,008

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Fri 20/3

14:16-18:25

2 stops37h 39m

Adelaide

Thu 26/3

19:00-23:50

2 stops43h 20m

$2,030

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 18/1

15:35-13:45

2 stops30h 40m

Adelaide

Sun 22/2

06:00-19:47

2 stops29h 17m

$2,032

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Fri 20/3

15:42-10:55

2 stops28h 43m

Adelaide

Mon 30/3

20:00-07:05

2 stops49h 35m

$2,050

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 22/3

17:17-12:40

2 stops28h 53m

Adelaide

Fri 27/3

09:00-19:25

2 stops24h 55m

$2,074

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sat 21/3

12:25-18:50

2 stops39h 55m

Adelaide

Sat 28/3

06:25-23:50

2 stops31h 55m

$2,176

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sat 21/3

16:01-18:50

2 stops36h 19m

Adelaide

Sun 29/3

14:25-07:05

2 stops31h 10m

$2,177

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Tue 24/3

16:33-13:40

3 stops30h 37m

Adelaide

Fri 10/4

06:25-18:51

2 stops25h 56m

$2,460

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

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?

United Airlines is the most popular carrier 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	28h 20m
Direct flights	None

The fastest flight from Philadelphia to Adelaide takes 28h 20m

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 28h 20m.
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.

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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.