Latest deals
Insights
When to book
FAQs
Price Alerts
Look for other cheap flights to Philadelphia

$654 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 6/5. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Australia to Philadelphia

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:40 - 00:52
BNE
-
PHL
28h 12m
2 stops
Multiple Airlines Logo
05:05 - 06:30
PHL
-
BNE
35h 25m
2 stops
$1,642Multiple Airlines
Wed, 11 Mar - Wed, 18 Mar
Air Canada Logo
09:20 - 21:33
SYD
-
PHL
26h 13m
2 stops
Air Canada Logo
10:05 - 07:20
PHL
-
SYD
55h 15m
2 stops
$1,722Air Canada
Mon, 25 May - Tue, 16 Jun
American Airlines Logo
09:10 - 18:25
SYD
-
PHL
23h 15m
1 stop
American Airlines Logo
17:43 - 07:05
PHL
-
SYD
23h 22m
1 stop
$1,734American Airlines
Mon, 25 May - Tue, 16 Jun
American Airlines Logo
06:25 - 18:25
SYD
-
PHL
26h 00m
2 stops
American Airlines Logo
17:43 - 07:05
PHL
-
SYD
23h 22m
1 stop
$1,767American Airlines
Mon, 25 May - Tue, 16 Jun
Qantas Airways Logo
13:35 - 20:34
MEL
-
PHL
20h 59m
1 stop
Qantas Airways Logo
15:42 - 06:45
PHL
-
MEL
25h 03m
1 stop
$1,774Qantas Airways
Fri, 17 Apr - Sun, 10 May
Qantas Airways Logo
09:45 - 18:54
MEL
-
PHL
23h 09m
1 stop
Qantas Airways Logo
15:42 - 06:45
PHL
-
MEL
25h 03m
1 stop
$1,924Qantas Airways
Fri, 8 May - Wed, 20 May
Qatar Airways Logo
22:45 - 09:00
PER
-
PHL
46h 15m
1 stop
Qatar Airways Logo
20:40 - 18:35
PHL
-
PER
33h 55m
1 stop
$2,712Qatar Airways
Sun, 22 Mar - Mon, 6 Apr
Qatar Airways Logo
22:40 - 09:00
PER
-
PHL
46h 20m
1 stop
Qatar Airways Logo
20:30 - 18:35
PHL
-
PER
34h 05m
1 stop
$2,741Qatar Airways
Tue, 4 Aug - Tue, 18 Aug
United Airlines Logo
06:40 - 01:26
ADL
-
PHL
32h 16m
2 stops
United Airlines Logo
09:25 - 11:05
PHL
-
ADL
36h 10m
2 stops
$3,275United Airlines
Fri, 19 Jun - Wed, 15 Jul
United Airlines Logo
06:05 - 01:26
ADL
-
PHL
32h 51m
2 stops
United Airlines Logo
09:25 - 11:05
PHL
-
ADL
36h 10m
2 stops
$3,280United Airlines
Fri, 19 Jun - Wed, 15 Jul

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 13 February 2026.
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 11/3

10:40-00:52

2 stops28h 12m

Philadelphia

Wed 18/3

05:05-06:30

2 stops35h 25m

$1,642

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 25/5

09:20-21:33

2 stops26h 13m

Philadelphia

Tue 16/6

10:05-07:20

2 stops55h 15m

$1,722

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 25/5

09:10-18:25

1 stop23h 15m

Philadelphia

Tue 16/6

17:43-07:05

1 stop23h 22m

$1,734

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 25/5

06:25-18:25

2 stops26h 00m

Philadelphia

Tue 16/6

17:43-07:05

1 stop23h 22m

$1,767

MelbournePhiladelphia

MEL - PHL

MELPHL

Melbourne

Fri 17/4

13:35-20:34

1 stop20h 59m

Philadelphia

Sun 10/5

15:42-06:45

1 stop25h 03m

$1,774

MelbournePhiladelphia

MEL - PHL

MELPHL

Melbourne

Fri 8/5

09:45-18:54

1 stop23h 09m

Philadelphia

Wed 20/5

15:42-06:45

1 stop25h 03m

$1,924

PerthPhiladelphia

PER - PHL

PERPHL

Perth

Sun 22/3

22:45-09:00

1 stop46h 15m

Philadelphia

Mon 6/4

20:40-18:35

1 stop33h 55m

$2,712

PerthPhiladelphia

PER - PHL

PERPHL

Perth

Tue 4/8

22:40-09:00

1 stop46h 20m

Philadelphia

Tue 18/8

20:30-18:35

1 stop34h 05m

$2,741

AdelaidePhiladelphia

ADL - PHL

ADLPHL

Adelaide

Fri 19/6

06:40-01:26

2 stops32h 16m

Philadelphia

Wed 15/7

09:25-11:05

2 stops36h 10m

$3,275

AdelaidePhiladelphia

ADL - PHL

ADLPHL

Adelaide

Fri 19/6

06:05-01:26

2 stops32h 51m

Philadelphia

Wed 15/7

09:25-11:05

2 stops36h 10m

$3,280

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 February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,114.

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 $1,896 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 $1,100 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 SYDNEYFebruary42% cheaperFlying from Sydney to Philadelphia costs on average just $1,102 in February
MOST EXPENSIVE MONTH TO FLY TO PHILADELPHIA FROM SYDNEYMay41% more expensiveIt costs about $2,680 for flights to Philadelphia from Sydney in May
MOST POPULAR MONTH TO FLY TO PHILADELPHIA FROM SYDNEYMay480% more users visitedMore 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

$654

Best Round-Trip Price

$1,642

Fastest flight time

30h 24m

Popular in

July
The best one-way flight price to Philadelphia from Australia in the last 72 hours is $654 (Sydney Kingsford Smith to Philadelphia).
Search Deals
The best round-trip flight price to Philadelphia from Australia in the last 72 hours is $1,642 (Brisbane to Philadelphia).
Search Deals
The fastest flight to Philadelphia from Australia takes 30h 24m (Sydney Kingsford Smith to Philadelphia).
Search Deals
July has the highest demand for flights to Philadelphia, with a 18% 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 17 days in advance, when prices tend to average $1,896. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as $1,082.

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 York LaGuardia Airport has an average price of $306 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 Dallas found flights 89% 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 February 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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 15/3
Sun 22/3
By creating a price alert you accept our terms of use and privacy policy.

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 $1,262
Brisbane to Philadelphia Flightsfrom $1,168
Sydney Kingsford Smith to Philadelphia Flightsfrom $1,280
Perth to Philadelphia Flightsfrom $1,877
Adelaide to Philadelphia Flightsfrom $2,136
Darwin to Philadelphia Flightsfrom $2,382