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Everything you should know

Cheapest return flight
$1,782
Typical prices: $1,731-$2,765
American Airlines
Sun 4/2Thu 8/2
SYD - PHL • 2 stops
Cheapest one-way flight
$675
Typical prices: $1,257-$2,222
Multiple Airlines
Wed 28/2
SYD - PHL • 3 stops
Top airlines
Best reviews • 7.5 score
Airline reviews
Airline reviews
Top routes
Cheapest • 16% average savings
Most popular
Insights
Insights
When to travel
Cheapest • 19% price drop
Most popular
Good to know
+1
Good to know
+1
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Flight Deals

Cheap Flights to Philadelphia

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

Recent return flight deals to Philadelphia

Thu, 4 Feb - Mon, 8 Feb
American Airlines Logo
11:20 - 05:11SYD  Sydney Kingsford Smith-PHL Philadelphia
33h 51m2 stops Los Angeles Phoenix Sky Harbor Intl
American Airlines Logo
05:00 - 06:55PHL  Philadelphia-SYD Sydney Kingsford Smith
33h 55m1 stop Dallas/Fort Worth
$1,782American Airlines
Thu, 26 Nov - Thu, 3 Dec
Multiple Airlines Logo
11:15 - 06:01SYD  Sydney Kingsford Smith-PHL Philadelphia
34h 46m2 stops Los Angeles Las Vegas Harry Reid Intl
Multiple Airlines Logo
07:34 - 06:25PHL  Philadelphia-SYD Sydney Kingsford Smith
30h 51m2 stops Atlanta Hartsfield-Jackson Los Angeles
$1,827Multiple Airlines
Fri, 5 Feb - Mon, 8 Feb
American Airlines Logo
23:10 - 14:39PER  Perth-PHL Philadelphia
52h 29m2 stops Brisbane Los Angeles
American Airlines Logo
07:10 - 14:10PHL  Philadelphia-PER Perth
42h 00m2 stops Dallas/Fort Worth Brisbane
$1,849American Airlines
Tue, 24 Nov - Tue, 1 Dec
Delta Logo
10:40 - 05:43SYD  Sydney Kingsford Smith-PHL Philadelphia
35h 03m2 stops Los Angeles Seattle/Tacoma Intl
Delta Logo
05:34 - 08:30PHL  Philadelphia-SYD Sydney Kingsford Smith
34h 56m2 stops Minneapolis St Paul Los Angeles
$1,988Delta
Thu, 19 Nov - Fri, 8 Jan
United Airlines Logo
09:10 - 18:41SYD  Sydney Kingsford Smith-PHL Philadelphia
25h 31m1 stop Houston George Bush Intcntl
United Airlines Logo
18:14 - 09:05PHL  Philadelphia-SYD Sydney Kingsford Smith
46h 51m2 stops San Francisco Los Angeles
$2,062United Airlines
Thu, 19 Nov - Fri, 8 Jan
United Airlines Logo
11:50 - 17:15SYD  Sydney Kingsford Smith-PHL Philadelphia
21h 25m1 stop San Francisco
United Airlines Logo
18:14 - 09:05PHL  Philadelphia-SYD Sydney Kingsford Smith
46h 51m2 stops San Francisco Los Angeles
$2,062United Airlines
Fri, 27 Nov - Fri, 4 Dec
Qantas Airways Logo
06:25 - 19:11ADL  Adelaide-PHL Philadelphia
28h 16m2 stops Sydney Kingsford Smith Dallas/Fort Worth
Qantas Airways Logo
18:35 - 11:00PHL  Philadelphia-ADL Adelaide
48h 55m2 stops Los Angeles Sydney Kingsford Smith
$2,156Qantas Airways
Fri, 27 Nov - Fri, 4 Dec
Qantas Airways Logo
06:25 - 19:11ADL  Adelaide-PHL Philadelphia
28h 16m2 stops Sydney Kingsford Smith Dallas/Fort Worth
Qantas Airways Logo
18:35 - 11:00PHL  Philadelphia-ADL Adelaide
48h 55m2 stops Los Angeles Sydney Kingsford Smith
$2,159Qantas Airways
Fri, 5 Feb - Mon, 8 Feb
Qatar Airways Logo
22:45 - 14:50PER  Perth-PHL Philadelphia
29h 05m1 stop Doha Hamad Intl
Qatar Airways Logo
20:45 - 18:45PHL  Philadelphia-PER Perth
33h 00m1 stop Doha Hamad Intl
$2,824Qatar Airways
Fri, 5 Feb - Mon, 8 Feb
Qatar Airways Logo
22:45 - 14:50PER  Perth-PHL Philadelphia
29h 05m1 stop Doha Hamad Intl
Qatar Airways Logo
20:45 - 18:45PHL  Philadelphia-PER Perth
33h 00m1 stop Doha Hamad Intl
$2,826Qatar Airways
Booking Insights

Price, demand, and travel trends for flights to Philadelphia

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

What is the cheapest flight to Philadelphia?

Sydney to Philadelphia is the cheapest route at $1,782 return, found in the past 5 days on KAYAK. KAYAK data shows this is also the most popular route.

How much is a flight to Philadelphia?

On average, a return flight from Australia to Philadelphia costs $2,146, based on KAYAK data over the past 12 months. Return fares from Sydney average $1,863, while Melbourne runs a bit higher at $1,903.

What is the cheapest day to fly to Philadelphia?

Sunday is the cheapest day to fly to Philadelphia at $1,762 return on average over the past 12 months on KAYAK. Friday is the most expensive at $2,524.

What is the cheapest month to fly to Philadelphia?

•November is the cheapest month to fly to Philadelphia with an average price of $1,742 return.
•June ($2,700) and April ($2,409) are the most expensive.

Based on KAYAK data over the past 12 months.

What is the cheapest time of day to fly to Philadelphia?

Morning flights to Philadelphia are the cheapest at $2,169 return on average. Night flights are the most expensive at $2,511.

What is a good deal for flights to Philadelphia?

Flights under $1,731 are considered a good deal. 25% of KAYAK users found return flights to Philadelphia at or below these prices, with the lowest fares from:
•Melbourne $1,603
•Sydney $1,637.

Key details for flights to Philadelphia

Low season

February

Cheapest flight

$675
Beat the crowds with an average 59% drop in travellers.
The most popular month to fly with an average 46% increase in travellers.
One-way flight from Sydney to Philadelphia

When to book flights to Philadelphia

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

Your questions about flights to Philadelphia, answered

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

  • How do I know if a flight to Philadelphia is a good deal?

    A good deal on a flight to Philadelphia is around $1,731 return. This fare is in the lowest 25% of return flight prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.

  • What is the difference between the most popular and the most frequent airline at Philadelphia?

    Delta operates the most flights from Australia to Philadelphia at 0 per week, while Qantas Airways is the airline most often selected by KAYAK users searching for flights from Australia to Philadelphia. The two are often different because flight volume reflects an airline's schedule, while popularity reflects traveller choice.

Your guide to booking Philadelphia flights

From booking to airport arrival, find tips to help you plan your flight with more confidence.
  • For flights to Philadelphia, a good return fare is around $1,731. If you find a fare below that, you're getting a strong deal.
  • If your travel dates are flexible, consider flying to Philadelphia in November. Return fares historically average $1,742, making November the cheapest month to travel based on KAYAK data from the last 12 months.
  • Before you book:

    • Check the route's typical price range so you can spot a deal.
    • Confirm baggage fees and seat selection costs on budget carriers.
    • Verify whether you need any travel documents beyond an ID.
    • Pick a departure airport, since your nearest may not be the cheapest origin.
  • Shift your departure to morning to save up to $343 on a return flight. Morning flights to Philadelphia average $2,169 compared to $2,511 for evening flights.
  • Once you arrive in Philadelphia, a few great places to start are University of Pennsylvania and Rittenhouse Square. These are popular with first-time visitors and can give you a good feel for the area.

Reviews of the top 4 airlines flying to Philadelphia

 
Need help choosing which airline to fly with to Philadelphia? 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.
7.5
Qantas AirwaysOverall score based on 1122 reviews
7.5Comfort
7.2Entertainment
7.7Boarding
8.1Crew
7.0Food
Airline reviews

Overall, it was a very good experience. I would have given it a 10/10, especially based on our flight from SFO to Melbourne. The cabin crew on that flight were wonderful and incredibly attentive. They took extra care when setting up our beds so we could sleep comfortably without being disturbed. Dinner was served promptly and smoothly. I woke up quite late, when the flight was already preparing for landing, and the crew still made sure I was taken care of. They brought me English tea in a proper cup, and when it was time to prepare the cabin for landing, they thoughtfully transferred it into a takeaway cup so I could continue enjoying it along with some breakfast. Those small, thoughtful gestures made the long flight feel much more comfortable and special. The service from the SFO to Melbourne crew was truly excellent.

8.0 ExcellentAnonymous, Aug 2026
Read more Qantas Airways reviews

Overall, it was a very good experience. I would have given it a 10/10, especially based on our flight from SFO to Melbourne. The cabin crew on that flight were wonderful and incredibly attentive. They took extra care when setting up our beds so we could sleep comfortably without being disturbed. Dinner was served promptly and smoothly. I woke up quite late, when the flight was already preparing for landing, and the crew still made sure I was taken care of. They brought me English tea in a proper cup, and when it was time to prepare the cabin for landing, they thoughtfully transferred it into a takeaway cup so I could continue enjoying it along with some breakfast. Those small, thoughtful gestures made the long flight feel much more comfortable and special. The service from the SFO to Melbourne crew was truly excellent.

Great food and good entertainment options for the long flight.

Loved the food and beverages available, spacious economy class, excellent entertainment

Very good overall. Highly recommend for all flying to Australia

We had bulkhead seats in a A380 in the upper deck in seats 31 D and E. Storage was very limited other than in overhead bin - which is not within reach when in seat. Yet paying same price as others in premium economy who have a lot more storage within arm’s reach. Seems very unfair.

Good check in and helpful staff. Delayed for 1 hour. Took about 45 Mins to get baggage’s at DFW . Food was average ( Hindu meal ) . Overall it was good experience

When I originally booked this flight, I was expecting to travel on Qantas. When the itinerary changed and the long-haul segment was operated by American Airlines, we were disappointed but remained open-minded. Unfortunately, the overall service experience fell far short of expectations. This was a long-haul international flight. Getting up periodically to use the restroom or stretch is inevitable, especially on flights of this duration. However, each time we stood up, we felt as though we were inconveniencing the crew. The tone and body language often suggested that we were in the way or disrupting something simply by moving about the cabin. As a result, I avoided getting up as often as I needed to and was physically very sore upon arrival. Meal service was similarly impersonal. The options were presented in single words “beef or veggie,” “pasta or beef” without any description of what was actually being served. There was little engagement or courtesy beyond that. Even simple expressions of gratitude were often not acknowledged. I am accustomed to no-frills travel and do not expect luxury. What was disappointing was not the absence of extras, but the absence of basic warmth and professionalism. On a long-haul international flight, small moments of courtesy and humanity make a significant difference. In this case, the experience felt transactional and dismissive rather than welcoming. I hope this feedback is taken constructively, as there is a meaningful difference between efficient service and indifferent service.

Business seats not as comfortable or private as most competitors (e.g. Qantas was outstanding), and movie selection was much more limited than Qantas or United has been recently

Hard to move and get out of my seat when the passenger in front is in recline position.

After flying Quantas (Prem Econ - SYD-SFO) which was Spectacular, we boarded AA flight SFO/PHL.. Prem Econ was NOT available on this flight so we were stuck in Econ - even though we paid $2600 EACH/ONE WAY for this ticket. I even had to BUY extra legroom seats - this AT LEAST should have been included on the AA flight. There were no screens in seatbacks, forcing passengers to use phones for entertainment. No water bottles were provided - only cups of water. The Quantas flight was FAR superior to the AA flight - even though we purchased Prem Econ for the FULL trip....

When we checked in at the Siem Reap Airport in Cambodia, we were only given three boarding passes and told that we would have to check in with American when we arrived in Boston. This was a source of stress for us. After we landed in Boston, we had a long passage from Terminal E to Terminal B (American Airline ticketing counter). Because the electronic ticketing kiosks for check-in would not recognize our Confirmation Code, we had to wait for an hour in a long line where only two AA reps were taking care of Special Services passengers. In many years of both business and recreational travel, I have never had this experience. I would expect more from AA being in partnership with other airlines to do a better job with this.

It was very good. It was a long flight and being a tight with little leg room.

Nothing to complain. The staff and flight was good especially the seats which was better compared than the cloth ones on Qatar airways

First keep the airline as you promise. Reason for travelling from Orlando to Tampa is to go with Qatar Airline. We end up with American Airline. As expected the service was horrible.

Not sure how we end up with American Airlines instead of Qatar Airways. From Philadelphia to Qatar they boarded us then they asked us to unload. After 30 minutes later they board us again. The inside the plane it was burning hot and we were sweating like crazy. Crew members are absolute rude. The way they served the passengers were horrible. One of the crew members hit my knee with food cart and kept going. I was holding an ice pack for almost 2 hours. I am still with the pain.

I felt that when I was rerouted it should have been to business class.

Seating is terrible, having seats so crammed is unacceptable for a 15-hour journey. I cannot stress enough how uncomfortable it is to sit in such an aircraft. Leg space is roomier in a domestic aircraft. I have not experienced this kind of crammy seating in domestic flights either in the US or other international airlines overseas.

It was a really long flight from Doha to Philadelphia and it was overall a good one. The one area that I would comment on is that there is a lot of single-use plastic and disposables in the meal service for American Airlines. It would be great to see more circular options in the meal service to reduce the amount of waste.

The crew was great and the food and liquor offerings were good. Seats were a bit cramped. Flight arrived early at destination. That's a plus.

I had already opted for Vegan food before 2 months yet they say we have no record for it,

Uncomfortable plastic seats even in premium economy. No free wifi. Even paid wifi was spotty to nonexistent. Bad food. Much worse than economy on foreign carriers like Qantas.

United didn’t even try to hold the flight for me. They knew I had a tight connection and when I arrived at the gate less than 10 mins after final boarding the flight had already gone. The gate agent wasn’t even notified that I was on my way. She was told I wasn’t at the airport

Everything went well except the turbulence what no one have a control of but pilot and crew handled very good!

Good flight. However, when booked flight with United, assumed the layover included by United in San Francisco of 1 hr and 40 minutes was sufficient . Not so and would recommend at least 2 hours or more. Needed to go through US immigration (very long lineups), then pick up bags, take all the way to another terminal, running because we did not have sufficient time. We made the flight because they held the door for us but luggage didn’t follow.

It was good but only meal served is very less. Meantime good to add rice and chicken in one of meal

I still prefer Delta, but Delta doesn’t fly to State College PA.

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.

Nothing bad to say about the actual crew or airline. It was nice to have a complimentary FULL can of soda, as well as a snack. Blankets and earbuds were also provided at no cost for this red eye flight. I especially appreciated the free WiFi and movie selection with the Bluetooth option. It helped the flight pass more quickly. No matter who you fly, boarding and disembarking are always SUCH a pain. As I mentioned, this is on the passengers and not the crew!!

Flight attendants rude and impolite… flight delayed by almost 5 hours.

Ok so apparently the new policy on United Airlines is that customers in the main cabin should NEVER be served more than once and besides picking up trash there should NEVER be another interaction with the customer for any reason.

We waitied for 2 hours for flights to take off. Make us to seat 2 hours in small space is not good.

Wheel Chair Access sucked. I had a guy from Bangaldesh drop me off without taking me to the gate

comfy and spacious seats for premium economy, nice flight attendants. only problem was the wifi did not work, and my entertainment screen was locked in Arabic language and all kids shows with no way of seemingly changing it. but the flight was fine and I arrived with no issues

It was hot. Need more A/C blowing with more pressure from the overhead vents.

Although it was a smaller plane, the flight was quick and uneventful.

My wife and I caught horrible sinus infections while flying from Athens to Philadelphia

Cabin was bone dry, no humidity whatsoever, and pretty warm; and beverage service didn't start for at least an hour. I had to go to the back for water and the FAs tried telling me it was always this way for all Miami flights, which is complete nonsense. Avoid the MAX8 like the plague.

Flight was 2+ hours delayed and they “misplaced” all 3 of our checked-in bags.

These was no gate agent until the last minute when the flight was ready to board, an hour late. The status board at the gate was not updated, had the wrong times on it, and nobody knew what was going on or if the flight would even actually take place since there was no gate agent to provide any information. When the agent finally arrived, there was no explanation why we were an hour late.

Flight was very good. For most part on-flight customer service was great, though online entertainment didn't work. What wasn't good was American Airlines service in Philadelphia. Our plane was delayed out of Naples due to weather, which was understansdable. But customer service to help us make connections to Kansas City was non existent, even though we were told there would be AA reps at the airport to help direct us where to go. When we asked for help, directions were conflicting. As a result we barely made our KC connection. And our bags didn't arrive until next day. For all their app technology, their human service was a bit lacking.

Travelling to a place near Philadelphia?

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