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Cheap flights from Philadelphia to Adelaide from $1,181

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Adelaide departing on 28/8. 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.
Multiple Airlines Logo
20:30 - 16:30-
28h 30m
Multiple Airlines Logo
22:00 - 14:40-
32h 10m
$1,701Multiple Airlines
Sun, 1 Nov - Fri, 13 Nov
Qatar Airways Logo
20:40 - 17:05-
28h 55m
Qatar Airways Logo
18:20 - 15:05-
34h 15m
$1,703Qatar Airways
Thu, 14 Jan - Fri, 30 Apr
Qatar Airways Logo
20:40 - 17:05-
28h 55m
Qatar Airways Logo
21:40 - 15:05-
30h 55m
$1,704Qatar Airways
Thu, 14 Jan - Fri, 30 Apr
Multiple Airlines Logo
20:30 - 16:30-
28h 30m
Multiple Airlines Logo
18:20 - 14:40-
35h 50m
$1,717Multiple Airlines
Sun, 1 Nov - Fri, 13 Nov
Qatar Airways Logo
20:30 - 16:30-
28h 30m
Qatar Airways Logo
22:00 - 14:40-
32h 10m
$1,738Qatar Airways
Sun, 1 Nov - Sat, 14 Nov
Qatar Airways Logo
20:30 - 16:30-
28h 30m
Qatar Airways Logo
22:00 - 14:40-
32h 10m
$1,740Qatar Airways
Sun, 1 Nov - Sat, 14 Nov
Qatar Airways Logo
21:30 - 16:30-
28h 30m
Qatar Airways Logo
22:00 - 14:40-
32h 10m
$1,741Qatar Airways
Sun, 25 Oct - Sun, 8 Nov
Multiple Airlines Logo
20:30 - 16:30-
28h 30m
Multiple Airlines Logo
22:00 - 14:40-
32h 10m
$1,751Multiple Airlines
Tue, 3 Nov - Mon, 16 Nov
Multiple Airlines Logo
20:30 - 16:30-
28h 30m
Multiple Airlines Logo
22:00 - 14:40-
32h 10m
$1,758Multiple Airlines
Mon, 2 Nov - Sat, 14 Nov
Multiple Airlines Logo
20:30 - 16:30-
28h 30m
Multiple Airlines Logo
22:00 - 14:40-
32h 10m
$1,767Multiple Airlines
Sun, 1 Nov - Mon, 16 Nov

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Qatar Airways flights from Philadelphia to Adelaide

Our best Qatar Airways deals on Philadelphia to Adelaide flight tickets
Qatar Airways
14 Jan
PHL20:40Philadelphia
28h 55m
1 stop
ADL17:05Adelaide
30 Apr
ADL18:20Adelaide
34h 15m
2 stops
PHL15:05Philadelphia
$1,703
Qatar Airways
14 Jan
PHL20:40Philadelphia
28h 55m
1 stop
ADL17:05Adelaide
30 Apr
ADL21:40Adelaide
30h 55m
1 stop
PHL15:05Philadelphia
$1,704
Qatar Airways
1 Nov
PHL20:30Philadelphia
28h 30m
1 stop
ADL16:30Adelaide
14 Nov
ADL22:00Adelaide
32h 10m
1 stop
PHL14:40Philadelphia
$1,738

Air Canada flights from Philadelphia to Adelaide

Our best Air Canada deals on Philadelphia to Adelaide flight tickets
Air Canada
1 Nov
PHL09:15Philadelphia
37h 10m
3 stops
ADL13:55Adelaide
15 Nov
ADL06:00Adelaide
32h 26m
3 stops
PHL22:56Philadelphia
$1,868
Air Canada
31 Oct
PHL09:15Philadelphia
38h 10m
3 stops
ADL13:55Adelaide
13 Nov
ADL06:00Adelaide
32h 26m
3 stops
PHL22:56Philadelphia
$1,974
Air Canada
2 Nov
PHL17:05Philadelphia
53h 20m
3 stops
ADL13:55Adelaide
11 Nov
ADL06:00Adelaide
49h 51m
3 stops
PHL16:21Philadelphia
$2,062

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 4 August 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 1/11

20:30-16:30

1 stop28h 30m

Adelaide

Fri 13/11

22:00-14:40

1 stop32h 10m

$1,701

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Thu 14/1

20:40-17:05

1 stop28h 55m

Adelaide

Fri 30/4

18:20-15:05

2 stops34h 15m

$1,703
Fastest return journey

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Thu 14/1

20:40-17:05

1 stop28h 55m

Adelaide

Fri 30/4

21:40-15:05

1 stop30h 55m

$1,704

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 1/11

20:30-16:30

1 stop28h 30m

Adelaide

Fri 13/11

18:20-14:40

2 stops35h 50m

$1,717

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 1/11

20:30-16:30

1 stop28h 30m

Adelaide

Sat 14/11

22:00-14:40

1 stop32h 10m

$1,738

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 1/11

20:30-16:30

1 stop28h 30m

Adelaide

Sat 14/11

22:00-14:40

1 stop32h 10m

$1,740

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 25/10

21:30-16:30

1 stop28h 30m

Adelaide

Sun 8/11

22:00-14:40

1 stop32h 10m

$1,741

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Tue 3/11

20:30-16:30

1 stop28h 30m

Adelaide

Mon 16/11

22:00-14:40

1 stop32h 10m

$1,751

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Mon 2/11

20:30-16:30

1 stop28h 30m

Adelaide

Sat 14/11

22:00-14:40

1 stop32h 10m

$1,758

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 1/11

20:30-16:30

1 stop28h 30m

Adelaide

Mon 16/11

22:00-14:40

1 stop32h 10m

$1,767

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
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See travel insights to Adelaide from

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?

Qatar Airways 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

23h 47m

Direct flights

None
The fastest flight from Philadelphia to Adelaide takes 23h 47m
There are no direct flights from Philadelphia to Adelaide. There are no popular flight routes from Philadelphia to Adelaide.
Search flight deals

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 23h 47m.

  • 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.

Travelling to a place near Adelaide?

Book flights to Adelaide if you plan to visit one of these locations
Glenelg
Stirling

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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