Cheap Flights from Adelaide to Philadelphia from AU$ 1,390

Flight FAQs

• Which airlines offer the cheapest flights from Adelaide (ADL) to Philadelphia (PHL)?

  Based on Trip.com data, Qatar Airways offers one-way fares as low as AU$ 1,390 on Cheapest nonstop routes (e.g. ADL to PHL on Fri, Sep 11), while Qatar Airways offers Cheapest nonstop round-trips from AU$ 2,422 departing on Thu, Sep 17 and returning on Tue, Sep 22.

• When is the best time to book flights from Adelaide to Philadelphia?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Adelaide to Philadelphia is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Adelaide to Philadelphia?

  To find best deals on flights from Adelaide to Philadelphia, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Sep 11, with one-way flights priced at just AU$ 1,390.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Qatar Airways.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Philadelphia travel is around December.
  · Get exclusive promo codes for Trip.com app users.

• When is the best time to book a flight from Adelaide to Philadelphia to get the best price?

  The cheapest months to fly from Adelaide to Philadelphia is August, when demand for travel is lower.

• Which upcoming date is the cheapest for flights from Adelaide to Philadelphia?

  After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Adelaide to Philadelphia on August 31, 2026 with Qatar Airways, with prices starting at AU$ 2,420.

• What is the time difference between Adelaide and Philadelphia?

  The time difference between Philadelphia and Adelaide is 14h.

• How can I change or cancel my flight ticket from Adelaide to Philadelphia?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Adelaide to Philadelphia?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Adelaide to Philadelphia is AU$ 1,444. Fares vary by travel date, airline and availability.

• How do I book flights from Adelaide to Philadelphia on Trip.com?

  Enter Adelaide and Philadelphia, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.