Question 1

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

Accepted Answer

According to our current data, Qantas Airways ($1,719), and Qatar Airways ($2,373) offers the cheapest pricing from Adelaide to Philadelphia.

Question 2

E

Accepted Answer

In terms of precipitation, rainfall in Philadelphia ranges from 69.0 - 112.0 inches per month. July is typically the wettest month, when rainfall can reach 112.0 mm. February is typically the driest time to visit Philadelphia when rainfall is around 69.0 mm.

Question 3

E

Accepted Answer

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

Question 4

What is the cheapest time of day to fly from ADL to PHL?

Accepted Answer

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Adelaide to Philadelphia as you normally would.

Question 5

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

Accepted Answer

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

Question 6

How can I find direct flights from Adelaide to Philadelphia?

Accepted Answer

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

Question 7

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

Accepted Answer

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.

Question 8

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

Accepted Answer

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.

Question 9

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

Accepted Answer

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.

Question 10

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

Accepted Answer

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.

Question 11

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

Accepted Answer

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.

Airline	Cheapest	Average	Flexibility	On-time
Qantas Airways	Cheapest$1,719	Average$1,963	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights
Qatar Airways	Cheapest$2,373	Average$2,608	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights

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.

Reviews of airlines servicing Philadelphia

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.

Related info for your journey

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

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

How can I find direct flights from Adelaide to Philadelphia?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Adelaide to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Philadelphia by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Adelaide to Philadelphia by cabin class

Find flights from Adelaide to Philadelphia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Adelaide and Philadelphia flights

Browse other Adelaide and Philadelphia flight options. Last updated on 9 November 2026.

Other flights from Adelaide

Browse through other flights departing from Adelaide. Flights are based on user searches made on Cheapflights and were last updated on 9 November 2026.

Other flights to Philadelphia

Explore flights to Philadelphia departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 9 November 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 2 airlines flying from Adelaide to Philadelphia

Fly with Cheapflights

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

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

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

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

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Cheap flights from Adelaide to Philadelphia

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.

Reviews of airlines servicing Philadelphia

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.

Related info for your journey

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

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

How can I find direct flights from Adelaide to Philadelphia?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Adelaide to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Philadelphia by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Adelaide to Philadelphia by cabin class

Find flights from Adelaide to Philadelphia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Adelaide and Philadelphia flights

Browse other Adelaide and Philadelphia flight options. Last updated on 9 November 2026.

Other flights from Adelaide

Browse through other flights departing from Adelaide. Flights are based on user searches made on Cheapflights and were last updated on 9 November 2026.

Other flights to Philadelphia

Explore flights to Philadelphia departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 9 November 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 2 airlines flying from Adelaide to Philadelphia

Fly with Cheapflights

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

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

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

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

100% Free

Book with flexibility

Travel Smart