PHL - ADL

$1,241 Find Cheap Flights from Philadelphia to Adelaide - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,241
Typical prices: $1,271-$1,526
Multiple Airlines
Mon 11/5Mon 11/12
PHL - ADL • 3 stops
When to travel
February
Cheapest • 20% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top layover airports
San Francisco (SFO)
Cheapest • Avg $1,466 (round-trip)
Doha Hamad Intl (DOH)
Shortest trip • 40h 07m (one-way)
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Flight Deals

Cheap Flights from Philadelphia to Adelaide (PHL-ADL)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Philadelphia to Adelaide

Thu, Nov 5 - Thu, Nov 12
Multiple Airlines Logo
9:15 am - 1:55 pmPHL  Philadelphia-ADL Adelaide
37h 10m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith
Multiple Airlines Logo
6:00 am - 10:56 pmADL  Adelaide-PHL Philadelphia
32h 26m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl
$1,241Multiple Airlines
Wed, Nov 4 - Wed, Nov 11
Qatar Airways Logo
8:45 pm - 8:00 amPHL  Philadelphia-ADL Adelaide
43h 45m2 stops Doha Hamad Intl Melbourne
Qatar Airways Logo
10:00 pm - 2:50 pmADL  Adelaide-PHL Philadelphia
32h 20m1 stop Doha Hamad Intl
$1,252Qatar Airways
Wed, Nov 4 - Wed, Nov 11
Qatar Airways Logo
8:45 pm - 8:00 amPHL  Philadelphia-ADL Adelaide
43h 45m2 stops Doha Hamad Intl Melbourne
Qatar Airways Logo
7:15 am - 2:50 pmADL  Adelaide-PHL Philadelphia
47h 05m2 stops Melbourne Doha Hamad Intl
$1,252Qatar Airways
Wed, Nov 4 - Wed, Nov 11
Air Canada Logo
5:05 pm - 1:55 pmPHL  Philadelphia-ADL Adelaide
53h 20m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith
Air Canada Logo
6:00 am - 4:21 pmADL  Adelaide-PHL Philadelphia
49h 51m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl
$1,331Air Canada
Mon, Nov 2 - Mon, Nov 9
Qatar Airways Logo
8:45 pm - 8:00 amPHL  Philadelphia-ADL Adelaide
43h 45m2 stops Doha Hamad Intl Melbourne
Qatar Airways Logo
7:15 am - 2:50 pmADL  Adelaide-PHL Philadelphia
47h 05m2 stops Melbourne Doha Hamad Intl
$1,334Qatar Airways
Mon, Nov 2 - Mon, Nov 9
Qatar Airways Logo
8:45 pm - 8:00 amPHL  Philadelphia-ADL Adelaide
43h 45m2 stops Doha Hamad Intl Melbourne
Qatar Airways Logo
10:00 pm - 2:50 pmADL  Adelaide-PHL Philadelphia
32h 20m1 stop Doha Hamad Intl
$1,334Qatar Airways
Wed, Nov 4 - Wed, Nov 11
Qatar Airways Logo
8:45 pm - 3:55 pmPHL  Philadelphia-ADL Adelaide
27h 40m1 stop Doha Hamad Intl
Qatar Airways Logo
10:00 pm - 2:50 pmADL  Adelaide-PHL Philadelphia
32h 20m1 stop Doha Hamad Intl
$1,448Qatar Airways
Mon, Nov 2 - Mon, Nov 9
Air Canada Logo
5:05 pm - 6:10 pmPHL  Philadelphia-ADL Adelaide
57h 35m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith
Air Canada Logo
7:55 pm - 4:21 pmADL  Adelaide-PHL Philadelphia
59h 56m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl
$1,454Air Canada
Sat, Nov 7 - Wed, Nov 11
Qatar Airways Logo
8:45 pm - 3:55 pmPHL  Philadelphia-ADL Adelaide
27h 40m1 stop Doha Hamad Intl
Qatar Airways Logo
10:00 pm - 2:50 pmADL  Adelaide-PHL Philadelphia
32h 20m1 stop Doha Hamad Intl
$1,488Qatar Airways
Sat, Nov 7 - Wed, Nov 11
Qatar Airways Logo
8:45 pm - 3:55 pmPHL  Philadelphia-ADL Adelaide
27h 40m1 stop Doha Hamad Intl
Qatar Airways Logo
10:00 pm - 2:50 pmADL  Adelaide-PHL Philadelphia
32h 20m1 stop Doha Hamad Intl
$1,489Qatar Airways
Booking Insights

Price, demand and travel trends for Philadelphia to Adelaide flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Philadelphia to Adelaide with more confidence.

What is the cheapest airline to fly from Philadelphia to Adelaide?

Qatar Airways ($1,252) and Air Canada ($1,331) are the cheapest airlines to fly round-trip from Philadelphia to Adelaide according to KAYAK data over the last 5 days.

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Key details for Philadelphia to Adelaide flights

Low season

April

Cheapest flight

$1,241
Flight from Philadelphia to Adelaide

When to book flights from Philadelphia to Adelaide

Are your dates flexible? Find out the best times to travel from Philadelphia to Adelaide based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Philadelphia to Adelaide flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • What cabin classes can I book on flights from Philadelphia to Adelaide?

    Only Economy Class is available on flights from Philadelphia to Adelaide.

  • How long is a flight from Philadelphia to Adelaide?

    There are currently no nonstop flights available from Philadelphia to Adelaide. Flights with 1 layover take between 23h 00m and 40h 07m in total, depending on the connection.

  • Do I need a passport to fly from Philadelphia to Adelaide?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Philadelphia to Adelaide flight?

    Round-trip flights from Philadelphia to Adelaide range from $1,271 to $1,526, with an average of $1,496 over the past 12 months. Anything below $1,271 counts as a good deal.

  • Have flight prices from Philadelphia to Adelaide changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,241 to $11,476. That means the highest observed fare was about 9x higher than the lowest one.

  • What car rental options are available at Adelaide Airport (ADL)?

    Adelaide Airport (ADL) hosts 5 major car rental companies, with daily rates starting from around $11 for economy cars. Top options include:
    • Bargain Car Rentals
    • Simba Car Hire
    • East Coast Car Rentals
    • Europcar
    • Budget

  • Which airports can I use when flying from Philadelphia to Adelaide?

    Flights from Philadelphia to Adelaide usually depart from Philadelphia (PHL) and arrive at Adelaide (ADL).

  • Which airports do connecting flights from Philadelphia to Adelaide pass through?

    Connecting flights from Philadelphia to Adelaide most commonly pass through:

    • San Francisco (SFO) - 75% of one-stop connections
    • Doha Hamad Intl (DOH) - 25% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Philadelphia to Adelaide?

    Yes. Being flexible with your travel dates can save you up to 30% on the Philadelphia to Adelaide route. Wednesday is the cheapest departure day at $1,196 round-trip on average, while Saturday is the most expensive at $1,707, a difference of $511. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Philadelphia to Adelaide?

    Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time at 23h 00m, compared with 40h 07m via Doha Hamad Intl (DOH).

  • What is the time difference between Philadelphia and Adelaide?

    Adelaide is 13 hours ahead of Philadelphia (Central Australia Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Adelaide?

    Some of the most popular sights in Adelaide are Adelaide Convention Centre, Adelaide Oval and Adelaide Festival Centre. These are among the most viewed places in Adelaide on KAYAK.

Your guide to booking Philadelphia to Adelaide flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Saturday. On this route, Wednesday flights average $1,196 - about $511 less than Saturday (30% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Philadelphia to Adelaide trip for February. Fares historically average $1,196 round-trip in that month - typically $511 less than the most expensive month, which is October (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Adelaide Airport.
    - Atura Adelaide Airport
    - Lockleys Hotel

More options for your flight from Philadelphia to Adelaide

Complete your trip to Adelaide with a hotel stay or car rental

Car rentals in Adelaide
Hotels in Adelaide
Vacations in Adelaide