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$1,090 Cheap flights to Philadelphia

1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Australia to Philadelphia

Cheap return flights

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Multiple Airlines Logo
14:15 - 07:18SYD  Sydney Kingsford Smith-PHL Philadelphia
32h 03m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl
Multiple Airlines Logo
08:30 - 12:35PHL  Philadelphia-SYD Sydney Kingsford Smith
36h 05m3 stops Atlanta Hartsfield-Jackson Los Angeles Los Angeles Nadi
$1,795Multiple Airlines
Thu, 22 Oct - Wed, 4 Nov
American Airlines Logo
09:45 - 06:41MEL  Melbourne-PHL Philadelphia
35h 56m2 stops Los Angeles Los Angeles Phoenix Sky Harbor Intl
American Airlines Logo
18:40 - 05:00PHL  Philadelphia-MEL Melbourne
43h 20m1 stop Dallas/Fort Worth
$1,846American Airlines
Thu, 22 Oct - Mon, 26 Oct
American Airlines Logo
09:45 - 06:41MEL  Melbourne-PHL Philadelphia
35h 56m2 stops Los Angeles Los Angeles Phoenix Sky Harbor Intl
American Airlines Logo
18:40 - 05:00PHL  Philadelphia-MEL Melbourne
43h 20m1 stop Dallas/Fort Worth
$1,849American Airlines
Thu, 22 Oct - Mon, 26 Oct
Multiple Airlines Logo
10:00 - 01:16BNE  Brisbane-PHL Philadelphia
29h 16m3 stops Vancouver Intl Los Angeles Los Angeles Denver Intl
Multiple Airlines Logo
05:50 - 07:05PHL  Philadelphia-BNE Brisbane
35h 15m3 stops Denver Intl Los Angeles Los Angeles Vancouver Intl
$1,876Multiple Airlines
Tue, 13 Oct - Tue, 20 Oct
United Airlines Logo
11:55 - 23:20MEL  Melbourne-PHL Philadelphia
26h 25m2 stops San Francisco Denver Intl
United Airlines Logo
18:34 - 09:15PHL  Philadelphia-MEL Melbourne
23h 41m1 stop San Francisco
$2,226United Airlines
Sat, 10 Oct - Sat, 17 Oct
United Airlines Logo
11:55 - 21:29MEL  Melbourne-PHL Philadelphia
24h 34m2 stops San Francisco Chicago O'Hare Intl
United Airlines Logo
08:00 - 09:15PHL  Philadelphia-MEL Melbourne
34h 15m2 stops Denver Intl San Francisco
$2,226United Airlines
Sat, 10 Oct - Sat, 17 Oct
Qatar Airways Logo
22:00 - 14:30ADL  Adelaide-PHL Philadelphia
31h 00m1 stop Doha Hamad Intl
Qatar Airways Logo
21:30 - 16:00PHL  Philadelphia-ADL Adelaide
28h 00m1 stop Doha Hamad Intl
$2,329Qatar Airways
Mon, 12 Oct - Mon, 19 Oct
Qatar Airways Logo
19:20 - 14:30ADL  Adelaide-PHL Philadelphia
33h 40m2 stops Perth Doha Hamad Intl
Qatar Airways Logo
21:30 - 16:00PHL  Philadelphia-ADL Adelaide
28h 00m1 stop Doha Hamad Intl
$2,417Qatar Airways
Mon, 12 Oct - Mon, 19 Oct
Qantas Airways Logo
21:50 - 14:49SYD  Sydney Kingsford Smith-PHL Philadelphia
32h 59m2 stops Brisbane Dallas/Fort Worth
Qantas Airways Logo
16:24 - 09:00PHL  Philadelphia-SYD Sydney Kingsford Smith
24h 36m1 stop Los Angeles Los Angeles
$3,097Qantas Airways
Wed, 23 Dec - Sat, 9 Jan
Qantas Airways Logo
21:50 - 14:49SYD  Sydney Kingsford Smith-PHL Philadelphia
32h 59m2 stops Brisbane Dallas/Fort Worth
Qantas Airways Logo
12:08 - 11:05PHL  Philadelphia-SYD Sydney Kingsford Smith
30h 57m2 stops Dallas/Fort Worth Brisbane
$3,129Qantas Airways
Wed, 23 Dec - Sat, 9 Jan

momondo Fare Finder

 
Use the filters below to find and compare flights to Philadelphia that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 22/10

14:15-07:18

3 stops32h 03m

Philadelphia

Wed 4/11

08:30-12:35

3 stops36h 05m

$1,795

MelbournePhiladelphia

MEL Melbourne - PHL Philadelphia

MELPHL

Melbourne

Thu 22/10

09:45-06:41

2 stops35h 56m

Philadelphia

Mon 26/10

18:40-05:00

1 stop43h 20m

$1,846

MelbournePhiladelphia

MEL Melbourne - PHL Philadelphia

MELPHL

Melbourne

Thu 22/10

09:45-06:41

2 stops35h 56m

Philadelphia

Mon 26/10

18:40-05:00

1 stop43h 20m

$1,849

BrisbanePhiladelphia

BNE Brisbane - PHL Philadelphia

BNEPHL

Brisbane

Tue 13/10

10:00-01:16

3 stops29h 16m

Philadelphia

Tue 20/10

05:50-07:05

3 stops35h 15m

$1,876
Fastest return journey

MelbournePhiladelphia

MEL Melbourne - PHL Philadelphia

MELPHL

Melbourne

Sat 10/10

11:55-23:20

2 stops26h 25m

Philadelphia

Sat 17/10

18:34-09:15

1 stop23h 41m

$2,226

MelbournePhiladelphia

MEL Melbourne - PHL Philadelphia

MELPHL

Melbourne

Sat 10/10

11:55-21:29

2 stops24h 34m

Philadelphia

Sat 17/10

08:00-09:15

2 stops34h 15m

$2,226

AdelaidePhiladelphia

ADL Adelaide - PHL Philadelphia

ADLPHL

Adelaide

Mon 12/10

22:00-14:30

1 stop31h 00m

Philadelphia

Mon 19/10

21:30-16:00

1 stop28h 00m

$2,329

AdelaidePhiladelphia

ADL Adelaide - PHL Philadelphia

ADLPHL

Adelaide

Mon 12/10

19:20-14:30

2 stops33h 40m

Philadelphia

Mon 19/10

21:30-16:00

1 stop28h 00m

$2,417

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Wed 23/12

21:50-14:49

2 stops32h 59m

Philadelphia

Sat 9/1

16:24-09:00

1 stop24h 36m

$3,097

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Wed 23/12

21:50-14:49

2 stops32h 59m

Philadelphia

Sat 9/1

12:08-11:05

2 stops30h 57m

$3,129

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Philadelphia from

Philadelphia flights insights and trends

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

What is the cheapest month to fly to Philadelphia?

If you aren’t able to travel to Philadelphia during the month of July, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,562.

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 SYDNEYJuly28% cheaperFlying from Sydney to Philadelphia costs on average just $1,458 in July
MOST EXPENSIVE MONTH TO FLY TO PHILADELPHIA FROM SYDNEYSeptember51% more expensiveIt costs about $3,070 for flights to Philadelphia from Sydney in September
MOST POPULAR MONTH TO FLY TO PHILADELPHIA FROM SYDNEYJuly475% more users visitedMore momondo users searched in flights to Philadelphia from Sydney in July than any other month

Cheap Philadelphia flight deals and tips

Summary info about Philadelphia flight prices, duration and airlines

Best One-Way Price

$1,090

Best Round-Trip Price

$1,795

Fastest flight time

23h 34m

Popular in

August
The best one-way flight price to Philadelphia from Australia in the last 5 days is $1,090 (Melbourne to Philadelphia).
Search Deals
The best return flight price to Philadelphia from Australia in the last 5 days is $1,795 (Sydney Kingsford Smith to Philadelphia).
Search Deals
The fastest flight to Philadelphia from Australia takes 23h 34m (Sydney Kingsford Smith to Philadelphia).
Search Deals
August has the highest demand for flights to Philadelphia, with a 10% 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.

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?

New Windsor Stewart Airport has an average price of $162 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 Atlanta found flights 82% 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 4 as of August 2026.

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.

Travelling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Elkton
Rehoboth Beach
Cherry Hill

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.

An easier way to manage your Philadelphia trip

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Find better results for your trip to Philadelphia

Popular Flights to Philadelphia

Sydney Kingsford Smith to Philadelphia Flightsfrom $1,286
Melbourne to Philadelphia Flightsfrom $1,382
Brisbane to Philadelphia Flightsfrom $1,344
Perth to Philadelphia Flightsfrom $1,981
Darwin to Philadelphia Flightsfrom $2,521
Adelaide to Philadelphia Flightsfrom $1,745