Which airlines fly to Philadelphia?

When flying to Philadelphia from Australia, momondo travellers will most often fly with one of these popular airlines: Qantas Airways, Air Canada, United Airlines or Cathay Pacific. Depending on what airport in Australia you fly from, you may be able to find flights with any of these popular airlines.

Qantas Airways Flights to Philadelphia

Qantas Airways will jet to Philadelphia around 18 times in an average week. Where you fly from will dictate what kind of deals you can get for Qantas Airways, but prices as low as $1,455 have been found from Adelaide to Philadelphia. Qantas Airways has scored 7.5/10 in momondo user reviews.

Virgin Australia Flights to Philadelphia

Virgin Australia flies to Philadelphia 12 times per week usually, making it a popular airline to fly with, particularly when heading to Philadelphia from San Francisco. Virgin Australia (rating: 7.5, 416 reviews) varies in price depending on when and where you want to fly to Philadelphia from. The best Virgin Australia ticket price found on momondo to Philadelphia was from Adelaide ($2,199 return).

How long does it take to fly to Philadelphia?

The flight from Australia to Philadelphia depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Sydney Kingsford Smith (a popular airport in Australia) to New York John F Kennedy Intl (the most popular airport in Philadelphia), then the flight time is 20h 40m on average. If you fly from Melbourne (another popular airport in Australia) to New York John F Kennedy Intl, then the average flight time is 25h 29m.

$827 Cheap Flights to Philadelphia in 2025/26

Look for other cheap flights to Philadelphia

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Australia to Philadelphia

Round-trip

One-way

Cheap return flights

18:45 - 05:55SYD-PHL

26h 10m1 stop

21:14 - 07:30PHL-SYD

43h 16m2 stops

$1,431Multiple Airlines

Find Deal

Mon, 6 Oct - Tue, 21 Oct

10:20 - 15:49SYD-PHL

44h 29m2 stops

15:25 - 08:20PHL-SYD

25h 55m2 stops

$1,551Air Canada

Find Deal

Mon, 6 Oct - Tue, 21 Oct

13:00 - 05:18MEL-PHL

32h 18m1 stop

15:05 - 10:00PHL-MEL

26h 55m2 stops

$1,646United Airlines

Find Deal

Thu, 20 Nov - Fri, 5 Dec

11:30 - 06:18MEL-PHL

33h 48m2 stops

15:00 - 10:00PHL-MEL

27h 00m2 stops

$1,647United Airlines

Find Deal

Sun, 2 Nov - Sun, 9 Nov

10:10 - 00:59SYD-PHL

29h 49m1 stop

15:45 - 08:05PHL-SYD

25h 20m1 stop

$1,722Qantas Airways

Find Deal

Mon, 6 Oct - Tue, 21 Oct

10:10 - 18:19MEL-PHL

24h 09m2 stops

19:20 - 08:00PHL-MEL

45h 40m2 stops

$2,268Delta

Find Deal

Fri, 6 Mar - Tue, 10 Mar

10:40 - 20:37SYD-PHL

25h 57m2 stops

13:30 - 06:05PHL-SYD

25h 35m2 stops

$2,392Delta

Find Deal

Sat, 7 Mar - Tue, 10 Mar

21:55 - 09:05BNE-PHL

50h 10m1 stop

19:40 - 17:30PHL-BNE

30h 50m1 stop

$2,583Qatar Airways

Find Deal

Mon, 3 Nov - Fri, 7 Nov

12:30 - 17:55CBR-PHL

45h 25m3 stops

19:50 - 13:40PHL-CBR

49h 50m2 stops

$2,649Qatar Airways

Find Deal

Wed, 18 Feb - Sun, 22 Feb

12:00 - 23:46MEL-PHL

27h 46m1 stop

11:45 - 05:00PHL-MEL

25h 15m1 stop

$2,954Qantas Airways

Find Deal

Thu, 20 Nov - Fri, 5 Dec

Fly from

Route

Depart

Return

Price

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 6/10

18:45-05:55

1 stop26h 10m

Philadelphia

Tue 21/10

21:14-07:30

2 stops43h 16m

$1,431

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 6/10

10:20-15:49

2 stops44h 29m

Philadelphia

Tue 21/10

15:25-08:20

2 stops25h 55m

$1,551

MelbournePhiladelphia

MEL - PHL

MELPHL

Melbourne

Thu 20/11

13:00-05:18

1 stop32h 18m

Philadelphia

Fri 5/12

15:05-10:00

2 stops26h 55m

$1,646

MelbournePhiladelphia

MEL - PHL

MELPHL

Melbourne

Sun 2/11

11:30-06:18

2 stops33h 48m

Philadelphia

Sun 9/11

15:00-10:00

2 stops27h 00m

$1,647

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 6/10

10:10-00:59

1 stop29h 49m

Philadelphia

Tue 21/10

15:45-08:05

1 stop25h 20m

$1,722

MelbournePhiladelphia

MEL - PHL

MELPHL

Melbourne

Fri 6/3

10:10-18:19

2 stops24h 09m

Philadelphia

Tue 10/3

19:20-08:00

2 stops45h 40m

$2,268

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 7/3

10:40-20:37

2 stops25h 57m

Philadelphia

Tue 10/3

13:30-06:05

2 stops25h 35m

$2,392

BrisbanePhiladelphia

BNE - PHL

BNEPHL

Brisbane

Mon 3/11

21:55-09:05

1 stop50h 10m

Philadelphia

Fri 7/11

19:40-17:30

1 stop30h 50m

$2,583

CanberraPhiladelphia

CBR - PHL

CBRPHL

Canberra

Wed 18/2

12:30-17:55

3 stops45h 25m

Philadelphia

Sun 22/2

19:50-13:40

2 stops49h 50m

$2,649

MelbournePhiladelphia

MEL - PHL

MELPHL

Melbourne

Thu 20/11

12:00-23:46

1 stop27h 46m

Philadelphia

Fri 5/12

11:45-05:00

1 stop25h 15m

$2,954

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Philadelphia flights insights and trends

Explore insights for your Philadelphia flight to craft the best travel plan

Prices

Other information

What is the cheapest month to fly to Philadelphia?

If you aren’t able to travel to Philadelphia during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,190.

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from Australia to Philadelphia is on a Thursday when prices can be found for as low as $1,935. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $2,428. These prices are subject to change though, so be sure to set up a Price Alert for flights to Philadelphia.

What is the cheapest time of day to depart on your flight to Philadelphia?

Flying to Philadelphia from Australia in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,633 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Philadelphia is in the afternoon when prices are around $2,299.

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

You are more likely to see cheaper flights to Philadelphia from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $2,077 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Australia for as low as $1,249 on momondo.

Cheapest flights to Philadelphia

Find the cheapest flights to Philadelphia from your nearest city or airport

Find flights from Sydney to Philadelphia

CHEAPEST MONTH TO FLY TO PHILADELPHIA FROM SYDNEY	February	44% cheaper	Flying from Sydney to Philadelphia costs on average just $1,175 in February
MOST EXPENSIVE MONTH TO FLY TO PHILADELPHIA FROM SYDNEY	December	44% more expensive	It costs about $3,007 for flights to Philadelphia from Sydney in December
MOST POPULAR MONTH TO FLY TO PHILADELPHIA FROM SYDNEY	May	415% more users visited	More momondo users searched in flights to Philadelphia from Sydney in May than any other month

Cheap Philadelphia flight deals and tips

Summary info about Philadelphia flight prices, duration and airlines

Best One-Way Price	$827
Best Round-Trip Price	$1,431
Fastest flight time	22h 36m
Popular in	December

The best one-way flight price to Philadelphia from Australia in the last 72 hours is $827 (Sydney Kingsford Smith to Philadelphia).

Search Deals

The best round-trip flight price to Philadelphia from Australia in the last 72 hours is $1,431 (Sydney Kingsford Smith to Philadelphia).

Search Deals

The fastest flight to Philadelphia from Australia takes 22h 36m (Melbourne to Philadelphia).

Search Deals

December has the highest demand for flights to Philadelphia, with a 9% price increase on average.

Search Deals

Frequently asked questions about flying to Philadelphia

When is it best to fly to Philadelphia to go sightseeing?

Most momondo users would consider April, May, and September to be the best times to fly to Philadelphia to see sights like University of Pennsylvania. Typically, the weather in Philadelphia is under 70 degrees Fahrenheit (21°C) but still warm and the chance of rain is only moderate.

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

The ideal time to book your flight to Philadelphia is 59 days in advance, when prices tend to average $2,077. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as $1,133.

Is there an alternative airport near Philadelphia?

Those flying to Philadelphia could potentially find better pricing at Philadelphia Airport (11 km from Philadelphia city centre), Trenton-Mercer Airport (46 km from Philadelphia city centre), Greater Wilmington Airport (49 km from Philadelphia city centre), Atlantic City Airport (74 km from Philadelphia city centre) or Newark Airport (117 km from Philadelphia city centre) depending on the month and departure airport.

Is there a cheaper alternative to flying into Philadelphia?

Atlantic City Airport has an average price of $130 per person and is typically the cheapest airport to fly into when visiting Philadelphia. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

What is the absolute cheapest flight to Philadelphia?

Users booking trips to Philadelphia from Orlando found flights 84% cheaper than the average price of flights to Philadelphia. To find the cheapest price to Philadelphia from your area, use momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to Philadelphia Airport?

Prices for flights to Philadelphia Airport are updated daily.

How many operators does momondo search for flights to Philadelphia Airport?

The number of operators available for flights to Philadelphia Airport is 8 as of September 2025.

How old do you have to be to fly to Philadelphia Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to Philadelphia Airport.

What documentation or ID do you need to fly to Philadelphia Airport?

The necessary travel and health documents for your Philadelphia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Rehoboth Beach

Elkton

Why use momondo?

Why should I use momondo to find a flight deal to Philadelphia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights to Philadelphia. Millions of users trust and use momondo every year so you are in good company.

Can I find flights to Philadelphia with flexible booking policies on momondo?

All flight searches to Philadelphia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights to Philadelphia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as filter your options to help you make an informed choice when booking flights to Philadelphia.

I’m not ready to book a flight to Philadelphia right now. Can momondo alert me if prices change?

Price alerts on flights to Philadelphia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.