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Cheap flights from Adelaide to Philadelphia from $1,983

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — PHL
30 Mar — 6 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Adelaide to Philadelphia

Enter your travel dates to find the best prices.

Cheapest flights from Adelaide to Philadelphia
Explore the most affordable flight options available from Adelaide to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 February 2026.

Tue 4/818:30
ADL
-
PHL
2 stops40h 00m
Multiple Airlines
Mon 31/815:20
PHL
-
ADL
2 stops27h 10m
Multiple Airlines
Deal found 27/2$1,983
Thu 5/307:50
ADL
-
PHL
3 stops42h 39m
Multiple Airlines
Fri 17/420:41
PHL
-
ADL
3 stops49h 04m
Multiple Airlines
Deal found 24/2$2,102
Tue 16/619:45
ADL
-
PHL
2 stops48h 45m
Multiple Airlines
Mon 14/912:50
PHL
-
ADL
2 stops29h 40m
Multiple Airlines
Deal found 25/2$2,226
Fri 22/513:25
ADL
-
PHL
2 stops62h 26m
American Airlines
Mon 25/507:05
PHL
-
ADL
2 stops38h 30m
American Airlines
Deal found 26/2$2,456
Tue 4/821:40
ADL
-
PHL
2 stops35h 39m
Qatar Airways
Mon 31/820:30
PHL
-
ADL
1 stop29h 50m
Qatar Airways
Deal found 27/2$2,787
Thu 5/311:55
ADL
-
PHL
2 stops34h 50m
Air New Zealand
Fri 17/406:12
PHL
-
ADL
2 stops39h 13m
Air New Zealand
Deal found 24/2$2,834
Tue 16/621:40
ADL
-
PHL
1 stop48h 50m
Qatar Airways
Mon 14/920:30
PHL
-
ADL
1 stop29h 50m
Qatar Airways
Deal found 25/2$3,058
Fri 19/613:25
ADL
-
PHL
2 stops39h 26m
American Airlines
Wed 15/712:50
PHL
-
ADL
2 stops32h 45m
American Airlines
Deal found 24/2$3,089

Find flight deals from Adelaide to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Adelaide (ADL) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 February 2026.

Round-trip from

$1,983

Popular in

January

Cheapest in

June

Average price

$2,106
4/8-31/8
  • 4/8-31/8
  • 4 total stops
  • 67h 10m total
  • Adelaide to Philadelphia
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($335 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($116 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Adelaide to Philadelphia 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, Cheapflights users made 647,157 searches. Data last updated 28 February 2026.
Use the filters below to find and compare flights from Adelaide to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AdelaidePhiladelphia

ADL - PHL

ADLPHL

Adelaide

Fri 22/5

13:25-14:21

2 stops62h 26m

Philadelphia

Mon 25/5

07:05-11:05

2 stops38h 30m

$2,456

AdelaidePhiladelphia

ADL - PHL

ADLPHL

Adelaide

Tue 4/8

21:40-19:49

2 stops35h 39m

Philadelphia

Mon 31/8

20:30-15:50

1 stop29h 50m

$2,787

AdelaidePhiladelphia

ADL - PHL

ADLPHL

Adelaide

Tue 16/6

21:40-09:00

1 stop48h 50m

Philadelphia

Mon 14/9

20:30-15:50

1 stop29h 50m

$3,058

AdelaidePhiladelphia

ADL - PHL

ADLPHL

Adelaide

Fri 19/6

13:25-15:21

2 stops39h 26m

Philadelphia

Wed 15/7

12:50-11:05

2 stops32h 45m

$3,089

AdelaidePhiladelphia

ADL - PHL

ADLPHL

Adelaide

Fri 22/5

18:20-09:00

2 stops52h 10m

Philadelphia

Mon 25/5

20:30-15:50

1 stop29h 50m

$3,113

AdelaidePhiladelphia

ADL - PHL

ADLPHL

Adelaide

Tue 4/8

06:00-21:56

3 stops29h 26m

Philadelphia

Mon 31/8

15:35-09:25

2 stops28h 20m

$3,207

AdelaidePhiladelphia

ADL - PHL

ADLPHL

Adelaide

Fri 19/6

06:40-01:29

2 stops32h 19m

Philadelphia

Wed 15/7

09:25-11:05

2 stops36h 10m

$3,274

AdelaidePhiladelphia

ADL - PHL

ADLPHL

Adelaide

Tue 16/6

14:20-17:17

3 stops40h 27m

Philadelphia

Mon 14/9

18:13-13:45

2 stops30h 02m

$3,300

AdelaidePhiladelphia

ADL - PHL

ADLPHL

Adelaide

Fri 22/5

20:00-22:43

3 stops40h 13m

Philadelphia

Mon 25/5

10:25-11:50

3 stops35h 55m

$3,378

Flights are sorted by cheapest return flights first.

Deals found on 26/2

Sorted by cheapest first

Best time to book a flight from Adelaide to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Adelaide with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

What is the cheapest month to book a flight from Adelaide to Philadelphia?

Currently, August is the cheapest month in which you can book a flight from Adelaide to Philadelphia (average of $256). Flying from Adelaide to Philadelphia in December is currently the most expensive (average of $2,243). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated 28 February 2026.
Get a feel of what it's like to fly with Qantas Airways and Qatar Airways from Adelaide to Philadelphia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
1,000 reviews
Check prices

Overall

7.5

Food

7.0

Boarding

7.7

Entertainment

7.2

Crew

8.1

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
Qantas Airways
7.5
Good
1,000 reviews
Qantas Airways
7.5
Good
1,000 reviews
Check prices

Overall

7.5

Food

7.0

Boarding

7.7

Entertainment

7.2

Crew

8.1

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
Qatar Airways
7.4
Good
3,745 reviews
Qantas Airways
7.5
Good
1,000 reviews
Check prices

Overall

7.5

Food

7.0

Boarding

7.7

Entertainment

7.2

Crew

8.1

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.

Related info for your journey

Find useful and relevant information for your journey from Adelaide to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Adelaide to Philadelphia?

    There are many flights that can get you from Adelaide to Philadelphia in 35h 39m. Fly via American Airlines or Qatar Airways to get the fastest option. Adelaide and Philadelphia are separated by a distance of 16990 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Adelaide to Philadelphia round-trip?

    According to our current data, Qantas Airways ($1,673), and Qatar Airways ($2,345) offers the cheapest pricing from Adelaide to Philadelphia. You may be able to fly from Adelaide to Philadelphia for 32% less than the average price by searching for these airlines.

  • Can I find deals for flights from Adelaide to Philadelphia that include hotel bookings?

    Yes. In addition to deals on Adelaide to Philadelphia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Adelaide to Philadelphia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Adelaide to Philadelphia.

  • Can I find deals for business class flights from Adelaide to Philadelphia?

    Yes. Cheapflights offers flight deals from Adelaide to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Adelaide to Philadelphia?

    Currently, August is the cheapest month in which you can book a flight from Adelaide to Philadelphia (average of $256). Flying from Adelaide to Philadelphia in December is currently the most expensive (average of $2,243). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Adelaide to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
Adelaide to John F Kennedy Intl flights
Adelaide to LaGuardia flights
Adelaide to Newark flights

Top 2 airlines flying from Adelaide to Philadelphia

Discover the top 2 airlines that operate flights from Adelaide to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 28 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,673Average$2,021FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Qatar AirwaysCheapest$2,345Average$2,543FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Adelaide to Philadelphia?

When you search for this flight from Adelaide to Philadelphia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Adelaide to Philadelphia?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Adelaide to Philadelphia for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Adelaide to Philadelphia with no change fees?

Certainly. Search results for flights to Philadelphia from Adelaide shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Adelaide to Philadelphia become cheaper?

Not ready to book yet? You can track prices for flights from Adelaide to Philadelphia on Cheapflights with our Price Alert feature and get notified when better prices are available.

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