What is the cheapest flight from Philadelphia to Adelaide?

In the last 3 days, the lowest price for a flight from Philadelphia to Adelaide was $1,251 for a round-trip ticket. Visit our flight page for the latest deals!>/a>

Do I need a passport to fly between Philadelphia and Adelaide?

Yes, you’ll need a passport to travel to Adelaide from Philadelphia. Visit our flight page for the latest deals!>/a>

Which aircraft models fly most regularly from Philadelphia to Adelaide?

We unfortunately don’t have that data for this specific route.

How does KAYAK find such low prices on flights from Philadelphia to Adelaide?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Philadelphia to Adelaide. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Philadelphia to Adelaide?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Adelaide from Philadelphia is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Philadelphia to Adelaide?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Adelaide with an airline and back to Philadelphia with another airline. Booking your flights between Philadelphia and ADL can sometimes prove cheaper using this method. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Philadelphia to Adelaide?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Adelaide from Philadelphia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

What are the most popular airlines flying to Adelaide?

The most popular airline among KAYAK users flying to Adelaide is United Airlines, followed by Qantas Airways.

$1,251 CHEAP FLIGHTS from Philadelphia to Adelaide (PHL - ADL)

PHL - ADL

KAYAK searches hundreds of travel sites at once for deals on flights to Adelaide

...and more

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41 299 237 searches in the past 7 days on KAYAK

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Track pricesNot ready to book? Create a price alert for when prices drop.

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$1,251

Qantas Airways

Di 3/24Fr 4/10

PHL - ADL • 2 stops

Cheapest one-way

$10,001

United Airlines

Sa 1/31

PHL - ADL • 2 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Adelaide!

Flight Deals

Cheap Flights from Philadelphia to Adelaide (PHL-ADL)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Philadelphia to Adelaide that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Philadelphia to Adelaide

Di, Mrz 24 - Fr, Apr 10

5:17 pm - 11:50 am

PHL

ADL

28h 03m2 stops

6:25 am - 6:51 pm

ADL

PHL

25h 56m2 stops

$1,251Qantas Airways

Di, Mrz 24 - Fr, Apr 10

3:42 pm - 11:50 am

PHL

ADL

29h 38m2 stops

5:10 pm - 7:40 am

ADL

PHL

28h 00m2 stops

$1,252Qantas Airways

So, Mrz 22 - Fr, Mrz 27

6:59 pm - 4:25 pm

PHL

ADL

30h 56m2 stops

9:00 am - 7:25 pm

ADL

PHL

24h 55m2 stops

$1,321Qantas Airways

Fr, Mrz 20 - Do, Mrz 26

2:16 pm - 6:25 pm

PHL

ADL

37h 39m2 stops

7:00 pm - 11:50 pm

ADL

PHL

43h 20m2 stops

$1,342Qantas Airways

Mi, Feb 25 - So, Mrz 1

4:00 pm - 10:55 am

PHL

ADL

27h 25m2 stops

7:10 pm - 7:47 pm

ADL

PHL

40h 07m2 stops

$1,343Qantas Airways

Fr, Mrz 20 - Mo, Mrz 30

3:42 pm - 10:55 am

PHL

ADL

28h 43m2 stops

8:00 pm - 7:05 am

ADL

PHL

49h 35m2 stops

$1,355Qantas Airways

So, Mrz 22 - Fr, Mrz 27

5:17 pm - 12:40 pm

PHL

ADL

28h 53m2 stops

9:00 am - 7:25 pm

ADL

PHL

24h 55m2 stops

$1,371Multiple Airlines

Sa, Mrz 21 - Sa, Mrz 28

12:25 pm - 6:50 pm

PHL

ADL

39h 55m2 stops

6:25 am - 11:50 pm

ADL

PHL

31h 55m2 stops

$1,438Qantas Airways

Sa, Mrz 21 - So, Mrz 29

4:01 pm - 6:50 pm

PHL

ADL

36h 19m2 stops

2:25 pm - 7:05 am

ADL

PHL

31h 10m2 stops

$1,439Qantas Airways

Di, Mrz 24 - Fr, Apr 10

4:33 pm - 1:40 pm

PHL

ADL

30h 37m3 stops

6:25 am - 6:51 pm

ADL

PHL

25h 56m2 stops

$1,626Multiple Airlines

Booking Insights

Cheapest flight	$1,251

Flight from Philadelphia to Adelaide

When to book flights from Philadelphia to Adelaide

Are your dates flexible? Find out the best times to travel from Philadelphia to Adelaide based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What is the cheapest flight from Philadelphia to Adelaide?
In the last 3 days, the lowest price for a flight from Philadelphia to Adelaide was $1,251 for a round-trip ticket.
Do I need a passport to fly between Philadelphia and Adelaide?
Yes, you’ll need a passport to travel to Adelaide from Philadelphia.
Which aircraft models fly most regularly from Philadelphia to Adelaide?
We unfortunately don’t have that data for this specific route.
How does KAYAK find such low prices on flights from Philadelphia to Adelaide?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Philadelphia to Adelaide.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Philadelphia to Adelaide?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Adelaide from Philadelphia is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Philadelphia to Adelaide?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Adelaide with an airline and back to Philadelphia with another airline. Booking your flights between Philadelphia and ADL can sometimes prove cheaper using this method.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Philadelphia to Adelaide?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Adelaide from Philadelphia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Philadelphia to Adelaide

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Information on your arrival and departure airports

Philadelphia (PHL)

Adelaide (ADL)

PHL - ADL

$1,251 Find Cheap Flights from Philadelphia to Adelaide

KAYAK searches hundreds of travel sites at once for deals on flights to Adelaide

Everything you should know

Cheap Flights from Philadelphia to Adelaide (PHL-ADL)

Recent round-trip flight deals from Philadelphia to Adelaide

Recent one-way flight deals from Philadelphia to Adelaide

Good to know

When to book flights from Philadelphia to Adelaide

FAQs for booking flights from Philadelphia to Adelaide

What is the cheapest flight from Philadelphia to Adelaide?

In the last 3 days, the lowest price for a flight from Philadelphia to Adelaide was $1,251 for a round-trip ticket.

Do I need a passport to fly between Philadelphia and Adelaide?

Yes, you’ll need a passport to travel to Adelaide from Philadelphia.

Which aircraft models fly most regularly from Philadelphia to Adelaide?

We unfortunately don’t have that data for this specific route.

How does KAYAK find such low prices on flights from Philadelphia to Adelaide?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Philadelphia to Adelaide.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Philadelphia to Adelaide?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Adelaide from Philadelphia is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Philadelphia to Adelaide?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Philadelphia to Adelaide?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Adelaide from Philadelphia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Philadelphia to Adelaide

Information on your arrival and departure airports

Cabin class types available on flights from Philadelphia to Adelaide

Complete your trip to Adelaide with a hotel stay or car rental

Find direct flights to and from Philadelphia and Adelaide

Flights to other popular destinations

Flights from domestic origins to Adelaide

Choose which airport to fly into in Adelaide