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PHL - SYD

Find cheap flights from Philadelphia to Sydney from $803

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Philadelphia to Sydney departing on 8/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Fri 6/7
Fri 6/14

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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Philadelphia to Sydney.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Philadelphia to Sydney.
In the last 7 days travelers have searched 43,968,530 times on KAYAK, and here is why:

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Cheap flight deals from Philadelphia to Sydney (PHL-SYD)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Philadelphia to Sydney that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
6:18 pm - 8:45 amPHL-SYD
24h 27m2 stops
9:55 am - 10:30 pmSYD-PHL
26h 35m2 stops
$1,364Air New Zealand
Find Deal
Mon, Aug 26 - Mon, Sep 9
6:00 am - 8:45 amPHL-SYD
36h 45m2 stops
11:50 am - 5:32 pmSYD-PHL
43h 42m2 stops
$1,409Air New Zealand
Find Deal
Thu, Aug 8 - Mon, Aug 26
10:05 am - 7:20 amPHL-SYD
31h 15m2 stops
9:20 am - 9:34 pmSYD-PHL
26h 14m2 stops
$1,536Air Canada
Find Deal
Sun, Aug 4 - Thu, Aug 15
4:10 pm - 7:20 amPHL-SYD
49h 10m3 stops
9:20 am - 9:34 pmSYD-PHL
26h 14m2 stops
$1,541Air Canada
Find Deal
Sat, Aug 3 - Thu, Aug 15
12:44 pm - 6:55 amPHL-SYD
28h 11m2 stops
10:20 am - 5:33 pmSYD-PHL
21h 13m1 stop
$1,566United Airlines
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Mon, Aug 5 - Wed, Aug 21
6:38 pm - 7:00 amPHL-SYD
22h 22m1 stop
10:20 am - 5:32 pmSYD-PHL
21h 12m1 stop
$1,567United Airlines
Find Deal
Wed, Sep 11 - Sun, Sep 22
6:49 pm - 7:05 amPHL-SYD
22h 16m1 stop
9:15 am - 10:59 pmSYD-PHL
27h 44m1 stop
$1,717Qantas Airways
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Sun, Aug 4 - Wed, Aug 21
6:50 pm - 7:05 amPHL-SYD
22h 15m1 stop
9:15 am - 10:59 pmSYD-PHL
27h 44m1 stop
$1,747Qantas Airways
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Thu, Aug 8 - Mon, Aug 26
6:49 pm - 7:05 amPHL-SYD
22h 16m1 stop
9:15 am - 9:09 amSYD-PHL
37h 54m1 stop
$2,085American Airlines
Find Deal
Thu, Aug 1 - Mon, Aug 19
3:50 pm - 7:05 amPHL-SYD
25h 15m2 stops
9:15 am - 9:26 pmSYD-PHL
26h 11m2 stops
$2,121American Airlines
Find Deal
Sat, Aug 3 - Sat, Aug 17

Flights from Philadelphia to Sydney - Travel Insights & Trends

Get data-powered insights and trends into flights from Philadelphia to Sydney to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Philadelphia to Sydney?

The average price of all flights from Philadelphia to Sydney clicked on KAYAK for each day over the last 12 months.
If your flying dates are flexible, you should consider flying to Sydney on a Friday, as we generally find the cheapest rates on that day for this route. On the other hand, Thursday is the most expensive day to fly from Philadelphia to Sydney. For your return ticket, we recommend flying on a Tuesday and avoiding Saturdays for the best deals.

What is the cheapest month to fly from Philadelphia to Sydney?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Philadelphia to Sydney, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Philadelphia to Sydney is February, where tickets cost $1,328 on average. On the other hand, the most expensive months are July and December, where the average cost of tickets is $2,346 and $2,232 respectively.

How far in advance should I book a flight from Philadelphia to Sydney?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Philadelphia to Sydney, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Philadelphia to Sydney, you should book around 2 days before departure. For the absolute cheapest price, our data suggests you should book 27 days before departure.

Which airlines provide the cheapest flights from Philadelphia to Sydney?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
The best deals for a one-way ticket found by KAYAK users over the last 3 days were on Air Canada ($1,101) and American Airlines ($1,287). The cheapest round-trip tickets were found on Air New Zealand ($1,364) and Air Canada ($1,536).

Good to know

Low season

April

High season

December

Cheapest flight

$803
Best time to beat the crowds with an average 16% drop in price.
Most popular time to fly with an average 29% increase in price.
Flight from Philadelphia to Sydney

When to book flights from Philadelphia to Sydney

Are your dates flexible? Find out the best times to travel from Philadelphia to Sydney based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Philadelphia to Sydney

  • Can I pre-select my seat when flying Qantas Airways from Philadelphia to Sydney?

    Yes, when flying Qantas Airways from Philadelphia to Sydney, you can pre-select your seat. Qantas allows passengers to choose their seats in advance during the booking process or at a later time through their website or mobile app.

  • How does Qantas Airways support sustainable travel on flights from Philadelphia to Sydney?

    Qantas Airways supports sustainable travel on flights from Philadelphia to Sydney by implementing fuel-efficient aircraft, promoting carbon offset programs for passengers, and investing in renewable energy projects. They also prioritize waste reduction and recycling efforts to minimize their environmental impact.

  • Can I rent a car after my flight from Philadelphia to Sydney?

    Yes, you can rent a car after your flight from Philadelphia to Sydney. Several rental companies operate in Sydney, including major international brands such as Hertz, Avis, Budget, Enterprise, and Europcar. These companies offer a wide range of vehicles to choose from, ensuring you can find a car that suits your needs and preferences. Simply check with the respective rental company for availability, rates, and booking details.

  • What are the in-flight entertainment amenities available on American Airlines flights from Philadelphia to Sydney?

    American Airlines offers a range of in-flight entertainment amenities on flights from Philadelphia to Sydney. Passengers can enjoy a variety of movies, TV shows, music, and games on personal seatback screens, along with free internet connectivity for browsing and streaming content.

  • What is the cheapest flight from Philadelphia to Sydney?

    In the last 3 days, the lowest price for a flight from Philadelphia to Sydney was $803 for a one-way ticket and $1,364 for a round-trip.

  • Do I need a passport to fly between Philadelphia and Sydney?

    Yes

  • Which airports will I be using when flying from Philadelphia to Sydney?

    Philadelphia and Sydney are both served by 1 main airport. You will leave Philadelphia from Philadelphia and will be arriving at Sydney Kingsford Smith.

  • Which aircraft models fly most regularly from Philadelphia to Sydney?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Philadelphia to Sydney?

    Star Alliance, and oneworld are the airline alliances operating flights between Philadelphia and Sydney, with Star Alliance being the most commonly used for this route.

  • What is the most popular layover when flying to Sydney from Philadelphia?

    Los Angeles is the most popular layover city among KAYAK users traveling from Philadelphia to Sydney.

  • Which is the best airline for flights from Philadelphia to Sydney, Air New Zealand or Qantas Airways?

    The two airlines most popular with KAYAK users for flights from Philadelphia to Sydney are Air New Zealand and Qantas Airways. With an average price for the route of $1,703 and an overall rating of 8.2, Air New Zealand is the most popular choice. Qantas Airways is also a great choice for the route, with an average price of $2,104 and an overall rating of 7.6.

  • How does KAYAK find such low prices on flights from Philadelphia to Sydney?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Philadelphia to Sydney.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Philadelphia to Sydney?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sydney from Philadelphia is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Philadelphia to Sydney?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Sydney with an airline and back to Philadelphia with another airline. Booking your flights between Philadelphia and SYD can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Philadelphia to Sydney?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sydney from Philadelphia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding a cheap flight from PHL to Sydney

  • Upon arrival at Sydney Airport, you can use various public transportation means to reach your destination. Options include the Airport Link train, which provides a direct connection to the city center and surrounding suburbs. Additionally, buses operated by Sydney Buses and private shuttle services are available.
  • U.S. citizens traveling from Philadelphia to Sydney require a valid passport with at least six months of validity beyond the intended stay. Additionally, they must obtain an Electronic Travel Authority (ETA) or a Visitor Visa (subclass 600) prior to departure. The ETA allows for stays up to 90 days, while the Visitor Visa permits longer stays.
  • You can change your seat on Delta for flights from Philadelphia to Sydney. Delta provides various seat selection options, including the ability to choose your seat during the booking process or later through its website or mobile app. Additionally, Delta offers upgrade options such as Delta Comfort+ and Delta One for enhanced comfort and amenities during your journey. Contact Delta directly or manage your booking online to explore seat change and upgrade possibilities.
  • Delta Airlines offers a range of kid-friendly options on flights from Philadelphia to Sydney. These include in-flight entertainment with a variety of movies, TV shows, and games suitable for children, as well as kid-friendly meals and special amenities to make the journey more enjoyable for young travelers.
  • Delta Airlines has specific pet restrictions for flights from Philadelphia to Sydney. Only small dogs, cats, and household birds are allowed as cabin pets. The maximum weight for cabin pets is 20 lb. Larger dogs and other animals must be transported as cargo.
See more tips

Top 5 airlines serving from Philadelphia to Sydney

 
See real verified KAYAK customer reviews for airlines flying from Philadelphia to Sydney. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Philadelphia to Sydney? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.2
Air New ZealandOverall score based on 635 reviews
7.6Food
7.9Entertainment
8.8Crew
8.4Boarding
8.1Comfort
Airline reviews

All was good, the only thing was it didn't run on time.

8.0 ExcellentDaniel, Apr 2024ZQN - SYD
Read more about Air New Zealand reviews

All was good, the only thing was it didn't run on time.

Overall excellent but the Captain kept the seat belt sign on for far too long, especially at the beginning and end of the flight. It was 2 hours after take-off before the crew were able to start the service (on an 11 hour night flight, reducing our sleeping time) and the seat belt sign on went on during breakfast (90 mins before landing) and was not turned off again until we landed. This made for an uncomfortable journey of trying to limit fluid intake because it was unclear when the toilets would be available for use.

United flight from SFO to PDX was cancelled. I will ask for a refund. Had to book on Alaska

The recline on the seat in front of me came back so that I was staring at the top of the man’s head in front of me the whole trip. He refused to bring his seat back up twice every time he was instructed to do so and only relented when he had a tray of good in front of him. And then right back in my lap!!! Horrible man!! I complained to the staff multiple times, but no one would address the issue. Otherwise, it would have been a perfect flight.

There was a snafu with confirming seats at check which left us in limbo for the second leg of our trip. I believe the ANZ app is not well integrated with the systems at the terminal resulting in this disconcerting error.

Carring crew, nice ambiance of the cabin, comfortable beds, good food well served. We liked everything.

The pilot tried to make up for lost time due to delays that were out of her control. She communicated the issues openly and clearly and made every effort to do what she could to alleviate issues.

2 of the 6 economy toilets were out of order. Drinks were not offered often enough - you have to order on-screen, which is often unavailable. Snacks and Milo ran out very early. Crew was fine but I think there was a sticking issue

Just a hiccup being added to the NZ Traveller Declaration a bit late.

The only thing that was less than excellent was the food server at dinner. (I had the chicken.) It wasn't that it was poorly heated or in difficult-to-open containers; it was just that it had a very peculiar taste. And I use that to describe not just the main course but the dessert as well. Very odd flavours for what seemed to be a mainstream item. I did like that the airline offered us a free glass of wine. The breakfast omelette wasn't bad, although it was quite bland.

flight delayed, wait in crowded gate. staff inattentive. had to remind them to get my coat from their closet. not many new movies, media choices were limited (nothing compared to Emirates.) Lounge was crowded

flight delayed, wait in crowded gate. staff inattentive. had to remind them to get my coat from their closet. not many new movies, media choices were limited (nothing compared to Emirates.)

Initial flight was cancelled so moved to an alternative flight. As a result, stuck in a middle seat. Flight then place in holding pattern prior to landing resulting in a very late trip home.

There was nothing I didn’t like, prices a little lower would help

Flight delay was informed at the last minute. Food quality is not up to Qantas standard I was unable to book an online boarding pass on any of my 6 flights.

Rescheduled after ticket purchased and issued, not 2 or 3 times and not a fourth but by 5 times, by Qantas, that's right, 5 changes! Forcing an overnight stay in Chile and need for visa. Qantas can no longer provide basic services as a national or international service provider. Professionalism is extinct and the provider needs to be mentored and educated in perfecting who to operate as an airline. Qantas is the spirit of Australian dissatisfaction.

Amazing! Was put on the earlier flight and I requested for an aisle seat and was given it. Thanks Qantas!

The crew were amazing - A great job. They made me feel special and valued.

Boarding was terrible - the ground staff member Fredeya at lax was more military than customer service, have never encountered a customer service representative as rude as her. Apart from that all other staff were wonderful and the flight was good.

The flight met my expectations. It left and landed on time

Flight was delayed 2.5 hours - a big deal on an overnight when you plan to sleep.

I feel like they have upgraded the app since I last flew United and I found it to be super helpful. I had stopped flying United unless absolutely necessary and my experience on this trip indicates they have been working hard to improve their services.

Surprisingly easy! I was hesitant to try this, but the cost swayed me. I actually felt like I had less stress than all the taxiing and possible delays that occur with short regional flights where you spend less time in the air than getting to and from the plane..

This flight was delayed multiple times and eventually canceled around 2-3ish. Original take off time was around 10:30am. By 3, there were no other options out of Houston, so stuck in Houston for from 3pm - 11am the next day.

Should have video screens Plane audio was poor and without wired connection hard to understand crew. Should serve more than just cups of water and pretzels on six hour flight. Did not see crew rest of flight. Fix charging sockets to retain charging blocks.

I paid $380 for my one-way ticket from California to Minnesota. The fair did not include online check-in. I received instructions from their app to check in at a kiosk. At the kiosk, the boarding pass would not print until an actual person came to verify that I had a personal item and not a carry-on item, On the plane, the person next to me was drunk and allowed to continue to order alcohol. United is garbage I’d rather fly spirit.

The plane was dirty and the in seat air wasn't blowing as planes usually do.

Generally good but there wasn’t any staff available when my luggage didn’t appear at baggage claim in Fresno. It took about half an hour to locate a staff member to open up the locked room where it was being kept.

Do not like the feeling of being in the basic economy. Everyone should feel good no matter what.

All flights were on time and boarding was issue free

Great crew. Very comfortable business seats with nice bedding. Good food. We were delayed to let late passengers on the flight, but otherwise great experience.

Not being able to purchase my check in baggage online was a negative.

LATE LATE LATE!!! Plagued by late AA flights on this trip. Such a drag. This one was by far the worst.

Same basket of unhealthy prepackaged snacks (junk food) which was depleted by the time it got to my row!!

We experience delays on departure and connecting flights resulting in 14 hour to our next departure. We were accommodated with a night's stay but was only provided a 12 dollar meals accommodation. The airlines rules state.at least 50 dollars. In any case, it can not make up for the whole day missed on our vacation in Sydney Australia.

The food at Admirals Club was really great Pijamas were a nice feature The flight attendant was very nice and great attitude The aa.com does not work well specially internet service Overall a very good flight .

Flight from PHL to PHX arrived 50 minutes early and a gate was available. First class flight attendant Stephanie was very friendly and polite. Sanitizing wipes should be provided with meals in addition to refresher towels.

flight delayed so missed connection and this had to rebook for next day

Flight departed PHL one hour late due to late arrival of aircraft. On board services were okay. First class menu does not offer any new items; same desserts (cheese & crackers or Mango sorbet). At least there were no credit card promotions during the flight.

Flight a little late. Entertainment system didn’t work for first hour. Toilets dirty after 2 hours. Is there no one assigned to clean them?

First time flying Air Canada and the trip was very pleasant! They did a great job getting us out of Toronto and into Rome (early!) For an international flight it was very enjoyable.

This is not a Business Class equipped airplane and even the crew apologize before take over BUT BUT Air Canada charged full business class fare

All was good, except our baggage was lost for most of a day. We are thankful that it was found quickly and delivered to our hotel. Rouge was fine outside of that problem.

You do not have a space for flight cancelled. BUT!!! Air Canada handled it great. Was booked on another airline for the next day. The original flight was booked solid. But he precheck by the maintenance found a mechanical problem and the plane was not safe to fly. It was an inconvenience to have to wait until next day but I would rather arrive safely.

Very good other than we have to wait for one crew and we’re delayed and the pilot and his co- pilot has to make a difference to be right on time arrival. Disappointed about no food service also.

I had written all my complaints on my trip from Grand Junction to Denver so I will repeat it here! I was absolutely appalled that I had to pay for a regular seat that I choose 24 hrs before boarding! Also I checked my large bag which I had to pay for as well, and by the time I boarded all the room in the bins were gone so also had to check that one. I noticed people pulling out oversized suitcases, bigger than the measurements stated for carry on, and also large pack packs stuffed full! So these people were taking up 2 or 3 spaces that the rest of us should have been able to use but couldn’t! NoTV on the flight! Thankfully I had downloaded the United Airlines app and was able to watch movies on my phone. Don’t remember the last time I flew in a plane with no movie screens!

I was appalled to have to pay for just a regular seat when I went to book 24 hrs before my flight! Because it was only an hour flight I didn’t choose a seat from Grand Junction to Denver, but I did for Toronto and had to pay just to choose a regular available seat! In my 60+ years of flying this was the first time I have heard of this. Also, allowing people to bring on “huge “ suitcases, not carry on size, but much bigger, and then a large pack pack stuffed. So they take up all the room in the overhead bins and if we are later boarding, there is no room so we have to check our small carry on. I have already paid for and checked in one bag! I certainly will not choose to fly with United again unless it is the “only” airline available!

Easy boarding, roomy seats, plenty of good food, very helpful snd friendly staff. Very smooth flight! Only thing that could have been better was to have cranberry juice. Women like this as it helps avoid UTI’s and not as sweet as other juices.

The crew was friendly, the seats are too small. Air travel is barely tolerable anymore.

Food was icecold or frozen including breakfast. Hopeless service. Rude crew.

Book cheap flights from Philadelphia to Sydney

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Philadelphia to Sydney found on KAYAK in the last 72 hours.
8/6Tue
3 stops
34h 00mPHL-SYD
$803
6/6Thu
3 stops
41h 50mPHL-SYD
$841
6/6Thu
2 stops
45h 30mPHL-SYD
$872
8/6Tue
2 stops
39h 40mPHL-SYD
$902
6/27Thu
3 stops
41h 46mPHL-SYD
$927
7/3Wed
2 stops
36h 19mPHL-SYD
$970
6/27Thu
2 stops
45h 30mPHL-SYD
$975
5/20Mon
2 stopsAir Canada
31h 15mPHL-SYD
$1,101
6/27Thu
1 stopAmerican Airlines
23h 42mPHL-SYD
$1,287
5/20Mon
1 stopQantas Airways
21h 45mPHL-SYD
$1,435

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Last minute flights from Philadelphia to Sydney

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Philadelphia to Sydney that are departing in the next 10 days.
5/13Mon
multi-stop
30h 10mPHL-SYD
5/23Thu
multi-stop
31h 34mSYD-PHL
$1,809
5/13Mon
multi-stopAir Canada
31h 15mPHL-SYD
5/23Thu
multi-stopAir Canada
44h 08mSYD-PHL
$1,976
5/13Mon
multi-stopAir Canada
31h 15mPHL-SYD
5/23Thu
multi-stopAir Canada
44h 08mSYD-PHL
$1,982
5/13Mon
multi-stopAir New Zealand
34h 40mPHL-SYD
5/23Thu
multi-stopAir New Zealand
26h 35mSYD-PHL
$2,403
5/13Mon
multi-stopAmerican Airlines
32h 20mPHL-SYD
5/23Thu
multi-stopAmerican Airlines
28h 34mSYD-PHL
$2,767

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Philadelphia - Sydney Flights

Departure:

Philadelphia (undefined)United States

Destination:

Sydney (SYD)Australia

Return flight deals:

Sydney - Philadelphia

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