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$1,269 Cheap flights to Philadelphia

1 adult
1 adult, Economy, 0 bags

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Cheap return flights

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Air Canada Logo
10:20 - 14:44SYD  Sydney Kingsford Smith-PHL Philadelphia
43h 24m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
15:20 - 09:35PHL  Philadelphia-SYD Sydney Kingsford Smith
26h 15m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
$1,318Air Canada
Wed, 28 Oct - Wed, 4 Nov
Air Canada Logo
10:20 - 21:32SYD  Sydney Kingsford Smith-PHL Philadelphia
50h 12m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
15:20 - 08:35PHL  Philadelphia-SYD Sydney Kingsford Smith
26h 15m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
$1,318Air Canada
Mon, 19 Oct - Mon, 26 Oct
Qantas Airways Logo
11:10 - 20:38SYD  Sydney Kingsford Smith-PHL Philadelphia
24h 28m1 stop Los Angeles Los Angeles
Qantas Airways Logo
15:55 - 09:00PHL  Philadelphia-SYD Sydney Kingsford Smith
25h 05m1 stop Los Angeles Los Angeles
$1,652Qantas Airways
Wed, 28 Oct - Wed, 4 Nov
Qantas Airways Logo
10:10 - 16:19SYD  Sydney Kingsford Smith-PHL Philadelphia
21h 09m1 stop Los Angeles Los Angeles
Qantas Airways Logo
17:30 - 09:00PHL  Philadelphia-SYD Sydney Kingsford Smith
24h 30m1 stop Los Angeles Los Angeles
$1,654Qantas Airways
Mon, 19 Oct - Mon, 26 Oct
American Airlines Logo
11:10 - 20:38SYD  Sydney Kingsford Smith-PHL Philadelphia
24h 28m1 stop Los Angeles Los Angeles
American Airlines Logo
15:14 - 09:00PHL  Philadelphia-SYD Sydney Kingsford Smith
25h 46m2 stops Dallas/Fort Worth Los Angeles Los Angeles
$1,666American Airlines
Wed, 28 Oct - Wed, 4 Nov
American Airlines Logo
11:10 - 20:14SYD  Sydney Kingsford Smith-PHL Philadelphia
25h 04m1 stop Los Angeles Los Angeles
American Airlines Logo
19:37 - 09:00PHL  Philadelphia-SYD Sydney Kingsford Smith
45h 23m2 stops Miami Los Angeles Los Angeles
$1,666American Airlines
Thu, 5 Nov - Mon, 9 Nov
United Airlines Logo
11:50 - 22:49SYD  Sydney Kingsford Smith-PHL Philadelphia
26h 59m1 stop San Francisco
United Airlines Logo
19:53 - 07:00PHL  Philadelphia-SYD Sydney Kingsford Smith
43h 07m1 stop Houston George Bush Intcntl
$1,671United Airlines
Thu, 5 Nov - Mon, 9 Nov
United Airlines Logo
11:20 - 23:39SYD  Sydney Kingsford Smith-PHL Philadelphia
28h 19m2 stops Los Angeles Los Angeles Denver Intl
United Airlines Logo
19:53 - 07:00PHL  Philadelphia-SYD Sydney Kingsford Smith
43h 07m1 stop Houston George Bush Intcntl
$1,671United Airlines
Thu, 5 Nov - Mon, 9 Nov
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
$2,848Qatar Airways
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 - 22:30PHL  Philadelphia-ADL Adelaide
34h 30m2 stops Doha Hamad Intl Brisbane
$2,910Qatar Airways
Sat, 10 Oct - Sat, 17 Oct

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

Wed 28/10

10:20-14:44

3 stops43h 24m

Philadelphia

Wed 4/11

15:20-09:35

2 stops26h 15m

$1,318

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Mon 19/10

10:20-21:32

3 stops50h 12m

Philadelphia

Mon 26/10

15:20-08:35

2 stops26h 15m

$1,318

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Wed 28/10

11:10-20:38

1 stop24h 28m

Philadelphia

Wed 4/11

15:55-09:00

1 stop25h 05m

$1,652
Fastest return journey

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Mon 19/10

10:10-16:19

1 stop21h 09m

Philadelphia

Mon 26/10

17:30-09:00

1 stop24h 30m

$1,654

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Wed 28/10

11:10-20:38

1 stop24h 28m

Philadelphia

Wed 4/11

15:14-09:00

2 stops25h 46m

$1,666

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 5/11

11:10-20:14

1 stop25h 04m

Philadelphia

Mon 9/11

19:37-09:00

2 stops45h 23m

$1,666

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 5/11

11:50-22:49

1 stop26h 59m

Philadelphia

Mon 9/11

19:53-07:00

1 stop43h 07m

$1,671

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 5/11

11:20-23:39

2 stops28h 19m

Philadelphia

Mon 9/11

19:53-07:00

1 stop43h 07m

$1,671

AdelaidePhiladelphia

ADL Adelaide - PHL Philadelphia

ADLPHL

Adelaide

Sat 10/10

22:00-14:30

1 stop31h 00m

Philadelphia

Sat 17/10

21:30-16:00

1 stop28h 00m

$2,848

AdelaidePhiladelphia

ADL Adelaide - PHL Philadelphia

ADLPHL

Adelaide

Sat 10/10

22:00-14:30

1 stop31h 00m

Philadelphia

Sat 17/10

21:30-22:30

2 stops34h 30m

$2,910

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $1,568.

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 SYDNEYJuly30% cheaperFlying from Sydney to Philadelphia costs on average just $1,464 in July
MOST EXPENSIVE MONTH TO FLY TO PHILADELPHIA FROM SYDNEYSeptember64% more expensiveIt costs about $3,412 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

$1,276

Best Round-Trip Price

$1,318

Fastest flight time

32h 11m
The best one-way flight price to Philadelphia from Australia in the last 5 days is $1,276 (Perth to Philadelphia).
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The best return flight price to Philadelphia from Australia in the last 5 days is $1,318 (Sydney Kingsford Smith to Philadelphia).
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The fastest flight to Philadelphia from Australia takes 32h 11m (Darwin to Philadelphia).
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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 $163 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 83% 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 September 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 $941
Melbourne to Philadelphia Flightsfrom $1,080
Brisbane to Philadelphia Flightsfrom $1,121
Perth to Philadelphia Flightsfrom $1,535
Darwin to Philadelphia Flightsfrom $2,767
Adelaide to Philadelphia Flightsfrom $1,246