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Look for other cheap flights to Philadelphia

$896 Cheap flights to Philadelphia

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Philadelphia departing on 26/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Australia to Philadelphia

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
09:30 - 00:57
MEL
-
PHL
29h 27m
2 stops
United Airlines Logo
06:00 - 08:15
PHL
-
MEL
36h 15m
1 stop
$1,354United Airlines
Wed, 29 Jul - Thu, 6 Aug
United Airlines Logo
10:20 - 17:17
SYD
-
PHL
20h 57m
1 stop
United Airlines Logo
06:00 - 06:55
PHL
-
SYD
34h 55m
1 stop
$1,449United Airlines
Thu, 16 Jul - Tue, 28 Jul
United Airlines Logo
10:20 - 17:17
SYD
-
PHL
20h 57m
1 stop
United Airlines Logo
06:10 - 06:55
PHL
-
SYD
34h 45m
2 stops
$1,454United Airlines
Tue, 21 Jul - Tue, 28 Jul
American Airlines Logo
10:10 - 05:35
SYD
-
PHL
34h 25m
2 stops
American Airlines Logo
11:00 - 06:55
PHL
-
SYD
28h 55m
1 stop
$1,689American Airlines
Thu, 22 Oct - Mon, 26 Oct
Air New Zealand Logo
10:20 - 01:23
SYD
-
PHL
29h 03m
1 stop
Air New Zealand Logo
06:00 - 06:55
PHL
-
SYD
34h 55m
1 stop
$1,694Air New Zealand
Sun, 5 Jul - Thu, 23 Jul
American Airlines Logo
09:40 - 07:44
BNE
-
PHL
37h 04m
2 stops
American Airlines Logo
17:07 - 06:30
PHL
-
BNE
22h 23m
1 stop
$1,917American Airlines
Thu, 12 Nov - Mon, 16 Nov
Qantas Airways Logo
20:35 - 18:42
BNE
-
PHL
36h 07m
1 stop
Qantas Airways Logo
15:55 - 05:50
PHL
-
BNE
22h 55m
1 stop
$2,042Qantas Airways
Thu, 1 Oct - Mon, 2 Nov
Air New Zealand Logo
12:10 - 01:23
MEL
-
PHL
27h 13m
2 stops
Air New Zealand Logo
13:04 - 10:55
PHL
-
MEL
31h 51m
2 stops
$2,046Air New Zealand
Fri, 10 Jul - Fri, 31 Jul
Qantas Airways Logo
07:45 - 07:00
PER
-
PHL
35h 15m
2 stops
Qantas Airways Logo
15:35 - 12:05
PHL
-
PER
32h 30m
2 stops
$2,384Qantas Airways
Wed, 15 Jul - Wed, 22 Jul
Qatar Airways Logo
22:45 - 15:05
PER
-
PHL
28h 20m
1 stop
Qatar Airways Logo
21:30 - 18:35
PHL
-
PER
33h 05m
1 stop
$2,560Qatar Airways
Sun, 2 Aug - Sun, 9 Aug

momondo Fare Finder

 
Locate flights to Philadelphia that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 78,305 searches and data was last updated on 19 June 2026.
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

MelbournePhiladelphia

MEL - PHL

MELPHL

Melbourne

Wed 29/7

09:30-00:57

2 stops29h 27m

Philadelphia

Thu 6/8

06:00-08:15

1 stop36h 15m

$1,354

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 16/7

10:20-17:17

1 stop20h 57m

Philadelphia

Tue 28/7

06:00-06:55

1 stop34h 55m

$1,449
Fastest return journey

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 21/7

10:20-17:17

1 stop20h 57m

Philadelphia

Tue 28/7

06:10-06:55

2 stops34h 45m

$1,454

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 22/10

10:10-05:35

2 stops34h 25m

Philadelphia

Mon 26/10

11:00-06:55

1 stop28h 55m

$1,689

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 5/7

10:20-01:23

1 stop29h 03m

Philadelphia

Thu 23/7

06:00-06:55

1 stop34h 55m

$1,694

BrisbanePhiladelphia

BNE - PHL

BNEPHL

Brisbane

Thu 12/11

09:40-07:44

2 stops37h 04m

Philadelphia

Mon 16/11

17:07-06:30

1 stop22h 23m

$1,917

BrisbanePhiladelphia

BNE - PHL

BNEPHL

Brisbane

Thu 1/10

20:35-18:42

1 stop36h 07m

Philadelphia

Mon 2/11

15:55-05:50

1 stop22h 55m

$2,042

MelbournePhiladelphia

MEL - PHL

MELPHL

Melbourne

Fri 10/7

12:10-01:23

2 stops27h 13m

Philadelphia

Fri 31/7

13:04-10:55

2 stops31h 51m

$2,046

PerthPhiladelphia

PER - PHL

PERPHL

Perth

Wed 15/7

07:45-07:00

2 stops35h 15m

Philadelphia

Wed 22/7

15:35-12:05

2 stops32h 30m

$2,384

PerthPhiladelphia

PER - PHL

PERPHL

Perth

Sun 2/8

22:45-15:05

1 stop28h 20m

Philadelphia

Sun 9/8

21:30-18:35

1 stop33h 05m

$2,560

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 November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,780.

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 SYDNEYNovember24% cheaperFlying from Sydney to Philadelphia costs on average just $1,640 in November
MOST EXPENSIVE MONTH TO FLY TO PHILADELPHIA FROM SYDNEYSeptember54% more expensiveIt costs about $3,325 for flights to Philadelphia from Sydney in September
MOST POPULAR MONTH TO FLY TO PHILADELPHIA FROM SYDNEYAugust380% more users visitedMore momondo users searched in flights to Philadelphia from Sydney in August than any other month

Cheap Philadelphia flight deals and tips

Summary info about Philadelphia flight prices, duration and airlines

Best One-Way Price

$896

Best Round-Trip Price

$1,354

Fastest flight time

21h 10m

Popular in

July
The best one-way flight price to Philadelphia from Australia in the last 5 days is $896 (Sydney Kingsford Smith to Philadelphia).
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The best round-trip flight price to Philadelphia from Australia in the last 5 days is $1,354 (Melbourne to Philadelphia).
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The fastest flight to Philadelphia from Australia takes 21h 10m (Sydney Kingsford Smith to Philadelphia).
Search Deals
July has the highest demand for flights to Philadelphia, with a 13% 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 $184 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 Los Angeles found flights 46% 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 6 as of June 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
Rehoboth Beach
Elkton
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

Popular routes according to searches in the past day on momondo
Melbourne to Philadelphia Flightsfrom $1,198
Sydney Kingsford Smith to Philadelphia Flightsfrom $1,018
Adelaide to Philadelphia Flightsfrom $1,340
Brisbane to Philadelphia Flightsfrom $1,156
Perth to Philadelphia Flightsfrom $1,638
Darwin to Philadelphia Flightsfrom $2,246