Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Sydney to Philadelphia from $891

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Philadelphia departing on 8/6. 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 Sydney to Philadelphia

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
09:30 - 21:19
SYD
-
PHL
25h 49m
2 stops
United Airlines Logo
16:14 - 07:00
PHL
-
SYD
24h 46m
2 stops
$1,440United Airlines
Thu, 16 Jul - Mon, 27 Jul
United Airlines Logo
09:30 - 21:19
SYD
-
PHL
25h 49m
2 stops
United Airlines Logo
13:35 - 06:55
PHL
-
SYD
27h 20m
2 stops
$1,442United Airlines
Mon, 10 Aug - Wed, 2 Sep
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
$1,507United Airlines
Sat, 18 Jul - Tue, 28 Jul
United Airlines Logo
09:30 - 19:25
SYD
-
PHL
23h 55m
2 stops
United Airlines Logo
13:35 - 06:55
PHL
-
SYD
27h 20m
2 stops
$1,511United Airlines
Fri, 28 Aug - Wed, 9 Sep
United Airlines Logo
10:20 - 21:27
SYD
-
PHL
25h 07m
2 stops
United Airlines Logo
15:48 - 07:00
PHL
-
SYD
25h 12m
2 stops
$1,581United Airlines
Fri, 28 Aug - Fri, 11 Sep
Multiple Airlines Logo
06:15 - 06:27
SYD
-
PHL
38h 12m
3 stops
Multiple Airlines Logo
08:30 - 22:10
PHL
-
SYD
47h 40m
3 stops
$1,633Multiple Airlines
Tue, 23 Jun - Tue, 30 Jun
Virgin Australia Logo
10:20 - 17:17
SYD
-
PHL
20h 57m
1 stop
Virgin Australia Logo
18:23 - 06:55
PHL
-
SYD
22h 32m
1 stop
$1,731Virgin Australia
Thu, 16 Jul - Mon, 27 Jul
United Airlines Logo
09:30 - 20:55
SYD
-
PHL
25h 25m
2 stops
United Airlines Logo
13:06 - 06:55
PHL
-
SYD
27h 49m
2 stops
$1,828United Airlines
Wed, 26 Aug - Sun, 30 Aug
United Airlines Logo
09:30 - 20:55
SYD
-
PHL
25h 25m
2 stops
United Airlines Logo
13:35 - 06:55
PHL
-
SYD
27h 20m
2 stops
$1,830United Airlines
Wed, 26 Aug - Sun, 30 Aug
United Airlines Logo
09:30 - 01:29
SYD
-
PHL
29h 59m
2 stops
United Airlines Logo
06:00 - 06:55
PHL
-
SYD
34h 55m
1 stop
$1,846United Airlines
Wed, 24 Jun - Wed, 1 Jul

American Airlines flights from Sydney to Philadelphia

Our best American Airlines deals on Sydney to Philadelphia flight tickets
American Airlines
16 July
SYD09:10Sydney Kingsford Smith
21h 18m
1 stop
PHL16:28Philadelphia
27 July
PHL16:22Philadelphia
24h 43m
2 stops
SYD07:05Sydney Kingsford Smith
$1,885
American Airlines
26 Aug
SYD09:10Sydney Kingsford Smith
42h 33m
2 stops
PHL13:43Philadelphia
30 Aug
PHL09:47Philadelphia
31h 18m
1 stop
SYD07:05Sydney Kingsford Smith
$2,988
American Airlines
6 Aug
SYD09:10Sydney Kingsford Smith
27h 12m
2 stops
PHL22:22Philadelphia
10 Aug
PHL14:32Philadelphia
26h 33m
2 stops
SYD07:05Sydney Kingsford Smith
$3,054

Air Canada flights from Sydney to Philadelphia

Our best Air Canada deals on Sydney to Philadelphia flight tickets
Air Canada
13 Oct
SYD10:20Sydney Kingsford Smith
43h 27m
3 stops
PHL14:47Philadelphia
22 Oct
PHL10:05Philadelphia
31h 15m
3 stops
SYD08:20Sydney Kingsford Smith
$2,710
Air Canada
16 July
SYD09:20Sydney Kingsford Smith
26h 14m
2 stops
PHL21:34Philadelphia
27 July
PHL10:05Philadelphia
31h 15m
3 stops
SYD07:20Sydney Kingsford Smith
$2,742
Air Canada
18 July
SYD09:20Sydney Kingsford Smith
26h 14m
2 stops
PHL21:34Philadelphia
28 July
PHL10:05Philadelphia
31h 15m
3 stops
SYD07:20Sydney Kingsford Smith
$2,751

momondo Fare Finder

 
Customise your flight search to find flights from Sydney to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 30 May 2026.
Use the filters below to find and compare flights from Sydney to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 16/7

09:30-21:19

2 stops25h 49m

Philadelphia

Mon 27/7

16:14-07:00

2 stops24h 46m

$1,440

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 10/8

09:30-21:19

2 stops25h 49m

Philadelphia

Wed 2/9

13:35-06:55

2 stops27h 20m

$1,442

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 18/7

10:20-17:17

1 stop20h 57m

Philadelphia

Tue 28/7

06:00-06:55

1 stop34h 55m

$1,507

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 28/8

09:30-19:25

2 stops23h 55m

Philadelphia

Wed 9/9

13:35-06:55

2 stops27h 20m

$1,511

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 28/8

10:20-21:27

2 stops25h 07m

Philadelphia

Fri 11/9

15:48-07:00

2 stops25h 12m

$1,581

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 23/6

06:15-06:27

3 stops38h 12m

Philadelphia

Tue 30/6

08:30-22:10

3 stops47h 40m

$1,632
Fastest return journey

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 16/7

10:20-17:17

1 stop20h 57m

Philadelphia

Mon 27/7

18:23-06:55

1 stop22h 32m

$1,731

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 26/8

09:30-20:55

2 stops25h 25m

Philadelphia

Sun 30/8

13:06-06:55

2 stops27h 49m

$1,828

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 26/8

09:30-20:55

2 stops25h 25m

Philadelphia

Sun 30/8

13:35-06:55

2 stops27h 20m

$1,830

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 24/6

09:30-01:29

2 stops29h 59m

Philadelphia

Wed 1/7

06:00-06:55

1 stop34h 55m

$1,846

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

How to get the cheapest flight ticket from Sydney to Philadelphia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Sydney and Philadelphia?

What is the cheapest month to fly to Philadelphia?

If you aren’t able to travel to Philadelphia during the month of October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $1,588.

Can stopping save me money on Sydney to Philadelphia flights?

You could potentially save up to 37% on your flight if you consider stops on a Sydney to Philadelphia flight.

How have Sydney to Philadelphia flight prices changed over time?

As of May 2026, prices for Sydney to Philadelphia flights are approximately 35% cheaper when compared to flights at the same time last year.

When to book flights from Sydney to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Sydney to Philadelphia (SYD to PHL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sydney to Philadelphia

Fastest flight time

20h 57m

Direct flights

None
The fastest flight from Sydney to Philadelphia takes 20h 57m
There are no direct flights from Sydney to Philadelphia. There are no popular flight routes from Sydney to Philadelphia.
Search flight deals

Frequently asked questions about flying from Sydney to Philadelphia

  • How far is Sydney Kingsford Smith to Philadelphia by plane?

    Sydney Kingsford Smith and Philadelphia are 15874.2 km apart from one another. A reasonable flight in good conditions will take 20h 57m.

  • When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Philadelphia Airport?

    Prices for flights from Sydney Kingsford Smith Airport to Philadelphia Airport refresh daily.

  • How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Philadelphia Airport?

  • How old do you have to be to fly from Sydney Kingsford Smith Airport to Philadelphia Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sydney Kingsford Smith Airport 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.

  • What is the most popular airline from Sydney to Philadelphia?

Best airlines flying from Sydney to Philadelphia

Compare and see reviews for airlines that fly from Sydney to Philadelphia with momondo
Airline
Rating
Free cancellation
Price
United AirlinesPriceFrom $594Free cancellationRating
7.4
9,767 reviews
Search United Airlines flights
Air CanadaPriceFrom $1,297Free cancellationRating
7.1
11,105 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,419Free cancellationRating
7.5
1,042 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,673Free cancellationRating
7.1
11,642 reviews
Search American Airlines flights

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 from Sydney to Philadelphia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Philadelphia from Sydney.

Can I find flights from Sydney to Philadelphia with flexible booking policies on momondo?

Flights from Sydney to Philadelphia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Sydney to Philadelphia?

momondo provides multiple filters to help you find the best flight to Philadelphia from Sydney. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Sydney to Philadelphia right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Philadelphia, momondo offers a useful price alert feature which will track prices for flights to Philadelphia from Sydney and alert you when they change.

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
Mon 29/6
Mon 6/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing Pennsylvania

Pittsburgh Airport