Cheap Flights from Philadelphia (PHL) to Adelaide (ADL)

You can find one-way and return flights from PHL to ADL with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when PHL to ADL ticket fares go up or down.

The cheapest months to fly from PHL to ADL are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

Enter PHL to ADL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

Alaska Airlines is one of the cheapest airlines offering connecting return flights from Philadelphia, PA (PHL-Philadelphia Intl.) to Adelaide, SA (ADL) with a layover in Seattle - Tacoma Intl. (SEA), with tickets starting from around AU$3116 for flights that can be booked for departure within the next year. These prices are per adult, for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

To find a cheap flight from Philadelphia, PA (PHL-Philadelphia Intl.) to Adelaide, SA (ADL), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

There are approximately 14 connecting flights per day from Philadelphia, PA (PHL-Philadelphia Intl.) to Adelaide, SA (ADL). Some common connection points include Los Angeles Intl. (LAX), Pearson Intl. (YYZ), and San Francisco Intl. (SFO).

Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from PHL to ADL. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.

You'll generally find the most flights from Philadelphia, PA (PHL-Philadelphia Intl.) to Adelaide, SA (ADL) on a Monday, with around 35 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include American Airlines, United, and Air Canada.

The most popular departure times for flights from Philadelphia, PA (PHL-Philadelphia Intl.) to Adelaide, SA (ADL) are in the afternoon, from 3pm to 6pm. Many major carriers, including American Airlines, Discover Airlines and United, offer flights during this window. Many travellers prefer this time because it allows for a full day of activities before heading to the airport, and you'll arrive at your destination at a reasonable hour.

There are no nonstop flights from Philadelphia, PA (PHL-Philadelphia Intl.) to Adelaide, SA (ADL). Flights with one stop typically take around 23 hours 48 minutes. This journey covers a distance of approximately 17,000 kilometres. Keep in mind that actual flight times can vary due to factors like routing, weather, and wind patterns, so it's always a good idea to allow for some extra travel time.

Yes, you can fly business class between PHL and ADL. Airlines that offer business class service on this route include:

* Air Canada
* American Airlines

It's easy to earn miles on a Philadelphia, PA (PHL-Philadelphia Intl.) to Adelaide, SA (ADL) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

Typically, booking a last minute flight from Philadelphia, PA (PHL-Philadelphia Intl.) to Adelaide, SA (ADL) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Philadelphia, PA (PHL-Philadelphia Intl.) to Adelaide, SA (ADL) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Philadelphia, PA (PHL-Philadelphia Intl.) to Adelaide, SA (ADL) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.