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Cheap flights from Pennsylvania to Adelaide from $503

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to Adelaide departing on 8/15. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Pennsylvania to Adelaide

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:00 pm - 11:05 am
EWR
-
ADL
28h 35m
2 stops
United Airlines Logo
6:05 am - 8:09 pm
ADL
-
EWR
27h 34m
2 stops
$1,336United Airlines
Tue, Aug 4 - Tue, Aug 11
Air Canada Logo
6:05 pm - 1:55 pm
EWR
-
ADL
30h 20m
2 stops
Air Canada Logo
7:00 pm - 4:33 pm
ADL
-
EWR
35h 03m
2 stops
$1,362Air Canada
Sun, Aug 9 - Sun, Aug 16
American Airlines Logo
7:20 pm - 1:40 pm
JFK
-
ADL
28h 50m
2 stops
American Airlines Logo
1:25 pm - 6:01 am
ADL
-
JFK
30h 06m
2 stops
$1,374American Airlines
Sun, Aug 9 - Sun, Aug 16
Qatar Airways Logo
9:30 pm - 9:10 pm
PHL
-
ADL
34h 10m
2 stops
Qatar Airways Logo
10:00 pm - 3:05 pm
ADL
-
PHL
30h 35m
1 stop
$1,375Qatar Airways
Sat, Aug 8 - Sat, Aug 15
Qatar Airways Logo
9:30 pm - 3:00 pm
PHL
-
ADL
28h 00m
1 stop
Qatar Airways Logo
7:40 am - 3:05 pm
ADL
-
PHL
44h 55m
2 stops
$1,377Qatar Airways
Wed, Aug 5 - Wed, Aug 12
Multiple Airlines Logo
11:00 am - 11:50 am
EWR
-
ADL
35h 20m
3 stops
Multiple Airlines Logo
5:15 pm - 4:33 pm
ADL
-
EWR
36h 48m
2 stops
$1,377Multiple Airlines
Tue, Aug 4 - Tue, Aug 11
Air Canada Logo
11:00 am - 11:50 am
EWR
-
ADL
35h 20m
3 stops
Air Canada Logo
8:00 pm - 10:35 pm
ADL
-
EWR
40h 05m
3 stops
$1,387Air Canada
Tue, Aug 4 - Tue, Aug 11
Air New Zealand Logo
8:20 am - 10:55 am
DCA
-
ADL
36h 05m
2 stops
Air New Zealand Logo
12:05 pm - 9:53 pm
ADL
-
DCA
25h 18m
2 stops
$1,390Air New Zealand
Wed, Oct 21 - Wed, Nov 18
Air New Zealand Logo
12:52 pm - 10:55 am
IAD
-
ADL
31h 33m
2 stops
Air New Zealand Logo
12:05 pm - 12:36 am
ADL
-
IAD
28h 01m
2 stops
$1,390Air New Zealand
Wed, Oct 21 - Wed, Nov 18
Multiple Airlines Logo
6:05 pm - 1:55 pm
EWR
-
ADL
30h 20m
2 stops
Multiple Airlines Logo
5:15 pm - 4:33 pm
ADL
-
EWR
36h 48m
2 stops
$1,407Multiple Airlines
Thu, Aug 6 - Sat, Aug 29

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United Airlines flights from Pennsylvania to Adelaide

Our best United Airlines deals on Pennsylvania to Adelaide flight tickets
United Airlines
Aug 9
EWR8:15 amNewark
40h 00m
2 stops
ADL1:45 pmAdelaide
Aug 16
ADL6:05 amAdelaide
29h 10m
2 stops
EWR9:45 pmNewark
$1,365
United Airlines
Aug 6
PIT5:23 pmPittsburgh
30h 52m
2 stops
ADL1:45 pmAdelaide
Aug 13
ADL8:00 pmAdelaide
34h 16m
2 stops
PIT4:46 pmPittsburgh
$1,473
United Airlines
Sep 29
PIT3:44 pmPittsburgh
29h 41m
2 stops
ADL10:55 amAdelaide
Oct 12
ADL6:00 amAdelaide
25h 16m
2 stops
PIT4:46 pmPittsburgh
$1,498

Qantas Airways flights from Pennsylvania to Adelaide

Our best Qantas Airways deals on Pennsylvania to Adelaide flight tickets
Qantas Airways
Aug 6
JFK7:20 pmNew York John F Kennedy Intl
35h 05m
2 stops
ADL7:55 pmAdelaide
Aug 29
ADL12:40 pmAdelaide
45h 50m
2 stops
JFK9:00 pmNew York John F Kennedy Intl
$1,440
Qantas Airways
Aug 7
JFK6:00 amNew York John F Kennedy Intl
37h 55m
2 stops
ADL9:25 amAdelaide
Aug 14
ADL7:45 pmAdelaide
36h 20m
2 stops
JFK6:35 pmNew York John F Kennedy Intl
$1,493
Qantas Airways
Jul 22
JFK7:20 pmNew York John F Kennedy Intl
33h 35m
2 stops
ADL6:25 pmAdelaide
Aug 22
ADL7:45 pmAdelaide
34h 05m
2 stops
JFK4:20 pmNew York John F Kennedy Intl
$1,532

momondo Fare Finder

 
Customize your flight search to find flights from Pennsylvania 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 832,500 searches. Data last updated June 25, 2026.
Use the filters below to find and compare flights from Pennsylvania to Adelaide that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

NewarkAdelaide

EWR - ADL

EWRADL

Newark

Tue 8/4

5:00 pm-11:05 am

2 stops28h 35m

Adelaide

Tue 8/11

6:05 am-8:09 pm

2 stops27h 34m

$1,336

NewarkAdelaide

EWR - ADL

EWRADL

Newark

Sun 8/9

6:05 pm-1:55 pm

2 stops30h 20m

Adelaide

Sun 8/16

7:00 pm-4:33 pm

2 stops35h 03m

$1,362

New YorkAdelaide

JFK - ADL

JFKADL

New York John F Kennedy Intl

Sun 8/9

7:20 pm-1:40 pm

2 stops28h 50m

Adelaide

Sun 8/16

1:25 pm-6:01 am

2 stops30h 06m

$1,374

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sat 8/8

9:30 pm-9:10 pm

2 stops34h 10m

Adelaide

Sat 8/15

10:00 pm-3:05 pm

1 stop30h 35m

$1,375

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Wed 8/5

9:30 pm-3:00 pm

1 stop28h 00m

Adelaide

Wed 8/12

7:40 am-3:05 pm

2 stops44h 55m

$1,377

NewarkAdelaide

EWR - ADL

EWRADL

Newark

Tue 8/4

11:00 am-11:50 am

3 stops35h 20m

Adelaide

Tue 8/11

5:15 pm-4:33 pm

2 stops36h 48m

$1,377

NewarkAdelaide

EWR - ADL

EWRADL

Newark

Tue 8/4

11:00 am-11:50 am

3 stops35h 20m

Adelaide

Tue 8/11

8:00 pm-10:35 pm

3 stops40h 05m

$1,387

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 10/21

8:20 am-10:55 am

2 stops36h 05m

Adelaide

Wed 11/18

12:05 pm-9:53 pm

2 stops25h 18m

$1,390

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Wed 10/21

12:52 pm-10:55 am

2 stops31h 33m

Adelaide

Wed 11/18

12:05 pm-12:36 am

2 stops28h 01m

$1,390

NewarkAdelaide

EWR - ADL

EWRADL

Newark

Thu 8/6

6:05 pm-1:55 pm

2 stops30h 20m

Adelaide

Sat 8/29

5:15 pm-4:33 pm

2 stops36h 48m

$1,407

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Adelaide from

How to get the cheapest flight ticket from Pennsylvania 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 Pennsylvania to Adelaide?

United Airlines, Qantas Airways, and American Airlines are the most popular carriers operating from Pennsylvania to Adelaide

Cheap Pennsylvania to Adelaide flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pennsylvania to Adelaide

Fastest flight time

26h 50m

Direct flights

None
The fastest flight from Pennsylvania to Adelaide takes 26h 50m
There are no direct flights from Pennsylvania to Adelaide. There are no popular flight routes from Pennsylvania to Adelaide.
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Frequently asked questions about flying from Pennsylvania to Adelaide

  • When did momondo last update prices for flights from Pennsylvania to Adelaide Airport?

    Prices for flights from Pennsylvania to Adelaide Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Pennsylvania to Adelaide Airport?

  • How old do you have to be to fly from Pennsylvania to Adelaide Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pennsylvania to Adelaide Airport.

  • What documentation or ID do you need to fly to Adelaide Airport?

    The necessary travel and health documents for your Adelaide Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Pennsylvania to Adelaide

Compare and see reviews for airlines that fly from Pennsylvania to Adelaide with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $647Free CancellationRating
7.4
9,887 reviews
Search United Airlines flights

Traveling 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 Pennsylvania 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 Pennsylvania.

Can I find flights from Pennsylvania to Adelaide with flexible booking policies on momondo?

Yes. All flights to Adelaide from Pennsylvania on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Pennsylvania to Adelaide?

momondo provides multiple filters to help you find the best flight to Adelaide from Pennsylvania. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Pennsylvania to Adelaide right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Pennsylvania to Adelaide flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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