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.

$1,877 Cheap Flights from Philadelphia to Adelaide in 2026

1 adult

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Find the cheapest flights from Philadelphia to Adelaide

Round-trip

One-way

Cheap return flights

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12:08 - 10:55

PHL

ADL

31h 17m2 stops

12:35 - 23:50

ADL

PHL

26h 45m2 stops

$1,877Qantas Airways

Tue, 27 Jan - Thu, 19 Feb

14:30 - 11:50

PHL

ADL

29h 50m2 stops

09:00 - 20:49

ADL

PHL

27h 19m2 stops

$1,879Qantas Airways

Wed, 4 Feb - Wed, 18 Feb

15:54 - 10:55

PHL

ADL

28h 31m2 stops

06:25 - 20:32

ADL

PHL

27h 37m2 stops

$1,990Qantas Airways

Tue, 24 Mar - Fri, 10 Apr

15:35 - 10:55

PHL

ADL

27h 50m2 stops

17:10 - 20:16

ADL

PHL

42h 36m2 stops

$1,996Qantas Airways

Fri, 6 Feb - Tue, 10 Feb

17:39 - 18:50

PHL

ADL

33h 41m2 stops

19:00 - 23:48

ADL

PHL

44h 18m2 stops

$2,081Qantas Airways

Fri, 6 Feb - Tue, 10 Feb

16:00 - 11:50

PHL

ADL

28h 20m2 stops

09:00 - 21:44

ADL

PHL

28h 14m2 stops

$2,106Qantas Airways

Fri, 20 Feb - Fri, 27 Feb

15:35 - 10:55

PHL

ADL

27h 50m2 stops

19:00 - 23:48

ADL

PHL

44h 18m2 stops

$2,108Qantas Airways

Fri, 6 Feb - Tue, 10 Feb

19:40 - 12:40

PHL

ADL

49h 30m2 stops

22:00 - 09:00

ADL

PHL

50h 30m1 stop

$2,475Qatar Airways

Fri, 20 Feb - Fri, 27 Feb

07:50 - 13:55

PHL

ADL

38h 35m3 stops

06:00 - 22:46

ADL

PHL

32h 16m3 stops

$2,515Air Canada

Tue, 27 Jan - Thu, 19 Feb

20:45 - 12:40

PHL

ADL

49h 25m2 stops

21:40 - 09:00

ADL

PHL

48h 50m1 stop

$2,682Qatar Airways

Tue, 24 Mar - Fri, 10 Apr

Qantas Airways flights from Philadelphia to Adelaide

Our best Qantas Airways deals on Philadelphia to Adelaide flight tickets

Qantas Airways

27 Jan

PHL12:08Philadelphia

31h 17m

2 stops

ADL10:55Adelaide

19 Feb

ADL12:35Adelaide

26h 45m

2 stops

PHL23:50Philadelphia

$1,877

Find similar

Qantas Airways

4 Feb

PHL14:30Philadelphia

29h 50m

2 stops

ADL11:50Adelaide

18 Feb

ADL09:00Adelaide

27h 19m

2 stops

PHL20:49Philadelphia

$1,879

Find similar

Qantas Airways

24 Mar

PHL15:54Philadelphia

28h 31m

2 stops

ADL10:55Adelaide

10 Apr

ADL06:25Adelaide

27h 37m

2 stops

PHL20:32Philadelphia

$1,990

Find similar

Qatar Airways flights from Philadelphia to Adelaide

Our best Qatar Airways deals on Philadelphia to Adelaide flight tickets

Qatar Airways

20 Feb

PHL19:40Philadelphia

49h 30m

2 stops

ADL12:40Adelaide

27 Feb

ADL22:00Adelaide

50h 30m

1 stop

PHL09:00Philadelphia

$2,475

Find similar

Qatar Airways

24 Mar

PHL20:45Philadelphia

49h 25m

2 stops

ADL12:40Adelaide

10 Apr

ADL21:40Adelaide

48h 50m

1 stop

PHL09:00Philadelphia

$2,682

Find similar

Qatar Airways

24 Mar

PHL20:45Philadelphia

49h 25m

2 stops

ADL12:40Adelaide

10 Apr

ADL21:40Adelaide

48h 50m

1 stop

PHL09:00Philadelphia

$2,753

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Tue 27/1

12:08-10:55

2 stops31h 17m

Adelaide

Thu 19/2

12:35-23:50

2 stops26h 45m

$1,877

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Wed 4/2

14:30-11:50

2 stops29h 50m

Adelaide

Wed 18/2

09:00-20:49

2 stops27h 19m

$1,879

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Tue 24/3

15:54-10:55

2 stops28h 31m

Adelaide

Fri 10/4

06:25-20:32

2 stops27h 37m

$1,990

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Fri 6/2

15:35-10:55

2 stops27h 50m

Adelaide

Tue 10/2

17:10-20:16

2 stops42h 36m

$1,996

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Fri 6/2

17:39-18:50

2 stops33h 41m

Adelaide

Tue 10/2

19:00-23:48

2 stops44h 18m

$2,081

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Fri 20/2

16:00-11:50

2 stops28h 20m

Adelaide

Fri 27/2

09:00-21:44

2 stops28h 14m

$2,106

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Fri 6/2

15:35-10:55

2 stops27h 50m

Adelaide

Tue 10/2

19:00-23:48

2 stops44h 18m

$2,108

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Fri 20/2

19:40-12:40

2 stops49h 30m

Adelaide

Fri 27/2

22:00-09:00

1 stop50h 30m

$2,475

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Tue 27/1

07:50-13:55

3 stops38h 35m

Adelaide

Thu 19/2

06:00-22:46

3 stops32h 16m

$2,515

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Tue 24/3

20:45-12:40

2 stops49h 25m

Adelaide

Fri 10/4

21:40-09:00

1 stop48h 50m

$2,682

Flights are sorted by cheapest return flights first.

Showing 1-10 of 11 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 41m
Direct flights	None

The fastest flight from Philadelphia to Adelaide takes 28h 41m

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 41m.
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.