Look for other cheap flights to Philadelphia

$923 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 21/1. 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

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Find the cheapest flights from Australia to Philadelphia

Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
09:40 - 11:10
BNE
-
PHL
40h 30m2 stops
American Airlines Logo
20:07 - 05:00
PHL
-
BNE
41h 53m2 stops
$1,928American Airlines
Wed, 4 Feb - Sun, 8 Feb
American Airlines Logo
09:40 - 11:10
BNE
-
PHL
40h 30m2 stops
American Airlines Logo
20:07 - 05:00
PHL
-
BNE
41h 53m2 stops
$1,931American Airlines
Wed, 4 Feb - Sun, 8 Feb
Air New Zealand Logo
15:00 - 22:25
MEL
-
PHL
45h 25m2 stops
Air New Zealand Logo
06:10 - 13:45
PHL
-
MEL
41h 35m2 stops
$2,017Air New Zealand
Fri, 5 Jun - Fri, 7 Aug
Air Canada Logo
11:20 - 14:47
SYD
-
PHL
43h 27m2 stops
Air Canada Logo
15:30 - 09:35
PHL
-
SYD
26h 05m2 stops
$2,083Air Canada
Wed, 25 Feb - Sun, 1 Mar
Air Canada Logo
11:20 - 14:47
SYD
-
PHL
43h 27m2 stops
Air Canada Logo
15:30 - 09:35
PHL
-
SYD
26h 05m2 stops
$2,088Air Canada
Wed, 25 Feb - Sun, 1 Mar
Air Canada Logo
10:45 - 22:46
BNE
-
PHL
27h 01m2 stops
Air Canada Logo
16:35 - 08:45
PHL
-
BNE
25h 10m2 stops
$2,095Air Canada
Fri, 23 Jan - Fri, 30 Jan
Qatar Airways Logo
20:45 - 18:31
SYD
-
PHL
35h 46m2 stops
Qatar Airways Logo
20:30 - 17:10
PHL
-
SYD
30h 40m1 stop
$2,522Qatar Airways
Tue, 21 Apr - Sat, 25 Apr
Qatar Airways Logo
22:00 - 09:00
ADL
-
PHL
50h 30m1 stop
Qatar Airways Logo
19:45 - 17:05
PHL
-
ADL
29h 50m1 stop
$2,695Qatar Airways
Wed, 4 Feb - Sun, 8 Feb
Qantas Airways Logo
17:45 - 20:41
PER
-
PHL
39h 56m2 stops
Qantas Airways Logo
15:35 - 14:15
PHL
-
PER
33h 40m2 stops
$2,772Qantas Airways
Wed, 21 Jan - Wed, 28 Jan
United Airlines Logo
14:55 - 21:52
ADL
-
PHL
22h 27m1 stop
United Airlines Logo
19:45 - 09:30
PHL
-
ADL
46h 15m2 stops
$3,208United Airlines
Wed, 4 Feb - Sun, 8 Feb

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 9 December 2025.
Use the filters below to find and compare flights to Philadelphia that are best for you.

Fly from

Route

Depart

Return

Price

BrisbanePhiladelphia

BNE - PHL

BNEPHL

Brisbane

Wed 4/2

09:40-11:10

2 stops40h 30m

Philadelphia

Sun 8/2

20:07-05:00

2 stops41h 53m

$1,928

BrisbanePhiladelphia

BNE - PHL

BNEPHL

Brisbane

Wed 4/2

09:40-11:10

2 stops40h 30m

Philadelphia

Sun 8/2

20:07-05:00

2 stops41h 53m

$1,931

MelbournePhiladelphia

MEL - PHL

MELPHL

Melbourne

Fri 5/6

15:00-22:25

2 stops45h 25m

Philadelphia

Fri 7/8

06:10-13:45

2 stops41h 35m

$2,017

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 25/2

11:20-14:47

2 stops43h 27m

Philadelphia

Sun 1/3

15:30-09:35

2 stops26h 05m

$2,083

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 25/2

11:20-14:47

2 stops43h 27m

Philadelphia

Sun 1/3

15:30-09:35

2 stops26h 05m

$2,088

BrisbanePhiladelphia

BNE - PHL

BNEPHL

Brisbane

Fri 23/1

10:45-22:46

2 stops27h 01m

Philadelphia

Fri 30/1

16:35-08:45

2 stops25h 10m

$2,095

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 21/4

20:45-18:31

2 stops35h 46m

Philadelphia

Sat 25/4

20:30-17:10

1 stop30h 40m

$2,522

AdelaidePhiladelphia

ADL - PHL

ADLPHL

Adelaide

Wed 4/2

22:00-09:00

1 stop50h 30m

Philadelphia

Sun 8/2

19:45-17:05

1 stop29h 50m

$2,695

PerthPhiladelphia

PER - PHL

PERPHL

Perth

Wed 21/1

17:45-20:41

2 stops39h 56m

Philadelphia

Wed 28/1

15:35-14:15

2 stops33h 40m

$2,772

AdelaidePhiladelphia

ADL - PHL

ADLPHL

Adelaide

Wed 4/2

14:55-21:52

1 stop22h 27m

Philadelphia

Sun 8/2

19:45-09:30

2 stops46h 15m

$3,208

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 February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,196.

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 $1,945. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $2,440. 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 $1,642 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 $2,310.

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 $2,020 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 $1,255 on momondo.

Cheapest flights to Philadelphia

Find the cheapest flights to Philadelphia from your nearest city or airport
CHEAPEST MONTH TO FLY TO PHILADELPHIA FROM SYDNEYFebruary42% cheaperFlying from Sydney to Philadelphia costs on average just $1,181 in February
MOST EXPENSIVE MONTH TO FLY TO PHILADELPHIA FROM SYDNEYMay42% more expensiveIt costs about $2,873 for flights to Philadelphia from Sydney in May
MOST POPULAR MONTH TO FLY TO PHILADELPHIA FROM SYDNEYFebruary966% more users visitedMore momondo users searched in flights to Philadelphia from Sydney in February than any other month

Cheap Philadelphia flight deals and tips

Summary info about Philadelphia flight prices, duration and airlines

Best One-Way Price

$923

Best Round-Trip Price

$1,928

Fastest flight time

34h 14m

Popular in

January
The best one-way flight price to Philadelphia from Australia in the last 72 hours is $923 (Brisbane to Philadelphia).
The best round-trip flight price to Philadelphia from Australia in the last 72 hours is $1,928 (Brisbane to Philadelphia).
The fastest flight to Philadelphia from Australia takes 34h 14m (Sydney Kingsford Smith to Philadelphia).
January has the highest demand for flights to Philadelphia, with a 14% price increase on average.

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 $2,020. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as $1,139.

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 90% 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?

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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1 adult
Thu 8/1
Thu 15/1

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Popular Flights to Philadelphia

Popular routes according to searches in the past day on momondo