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Cheap flights from Sydney to Philadelphia from $1,031

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 18/5. 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
1 adult, Economy, 0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
09:20 - 14:49
SYD
-
PHL
43h 29m
2 stops
Air Canada Logo
10:05 - 07:20
PHL
-
SYD
31h 15m
2 stops
$1,408Air Canada
Thu, 18 Jun - Sun, 28 Jun
Air Canada Logo
09:20 - 14:49
SYD
-
PHL
43h 29m
3 stops
Air Canada Logo
10:05 - 07:20
PHL
-
SYD
31h 15m
2 stops
$1,419Air Canada
Thu, 18 Jun - Sun, 28 Jun
Air Canada Logo
09:20 - 23:43
SYD
-
PHL
28h 23m
2 stops
Air Canada Logo
15:30 - 07:20
PHL
-
SYD
49h 50m
2 stops
$1,480Air Canada
Wed, 22 Apr - Sat, 25 Apr
Air Canada Logo
09:20 - 22:43
SYD
-
PHL
27h 23m
2 stops
Air Canada Logo
10:05 - 07:20
PHL
-
SYD
31h 15m
2 stops
$1,495Air Canada
Fri, 1 May - Fri, 8 May
Air Canada Logo
09:20 - 21:33
SYD
-
PHL
26h 13m
2 stops
Air Canada Logo
10:05 - 07:20
PHL
-
SYD
31h 15m
3 stops
$1,502Air Canada
Fri, 1 May - Fri, 8 May
Air Canada Logo
09:20 - 15:39
SYD
-
PHL
44h 19m
2 stops
Air Canada Logo
06:00 - 07:20
PHL
-
SYD
35h 20m
2 stops
$1,527Air Canada
Thu, 18 Jun - Sun, 28 Jun
Multiple Airlines Logo
09:20 - 22:34
SYD
-
PHL
27h 14m
2 stops
Multiple Airlines Logo
15:25 - 07:20
PHL
-
SYD
49h 55m
2 stops
$1,559Multiple Airlines
Sat, 2 May - Sat, 9 May
Air Canada Logo
09:20 - 23:43
SYD
-
PHL
28h 23m
2 stops
Air Canada Logo
15:30 - 07:20
PHL
-
SYD
49h 50m
2 stops
$1,568Air Canada
Wed, 22 Apr - Sat, 25 Apr
Multiple Airlines Logo
09:20 - 22:34
SYD
-
PHL
27h 14m
2 stops
Multiple Airlines Logo
10:05 - 07:20
PHL
-
SYD
31h 15m
3 stops
$1,570Multiple Airlines
Sat, 2 May - Sat, 9 May
Air Canada Logo
09:20 - 14:46
SYD
-
PHL
43h 26m
3 stops
Air Canada Logo
15:30 - 07:20
PHL
-
SYD
49h 50m
2 stops
$1,577Air Canada
Wed, 22 Apr - Sat, 25 Apr

Qantas Airways flights from Sydney to Philadelphia

Our best Qantas Airways deals on Sydney to Philadelphia flight tickets
Qantas Airways
18 June
SYD09:10Sydney Kingsford Smith
23h 15m
1 stop
PHL18:25Philadelphia
28 June
PHL17:43Philadelphia
23h 22m
1 stop
SYD07:05Sydney Kingsford Smith
$2,230
Qantas Airways
18 June
SYD09:10Sydney Kingsford Smith
23h 15m
1 stop
PHL18:25Philadelphia
28 June
PHL17:43Philadelphia
23h 22m
1 stop
SYD07:05Sydney Kingsford Smith
$2,250
Qantas Airways
18 June
SYD09:10Sydney Kingsford Smith
23h 25m
1 stop
PHL18:35Philadelphia
28 June
PHL17:43Philadelphia
27h 42m
2 stops
SYD11:25Sydney Kingsford Smith
$2,391

Delta flights from Sydney to Philadelphia

Our best Delta deals on Sydney to Philadelphia flight tickets
Delta
18 June
SYD09:15Sydney Kingsford Smith
37h 21m
2 stops
PHL08:36Philadelphia
28 June
PHL06:15Philadelphia
34h 35m
2 stops
SYD06:50Sydney Kingsford Smith
$2,289
Delta
18 June
SYD09:15Sydney Kingsford Smith
37h 21m
2 stops
PHL08:36Philadelphia
28 June
PHL06:15Philadelphia
34h 35m
2 stops
SYD06:50Sydney Kingsford Smith
$2,306
Delta
18 June
SYD09:15Sydney Kingsford Smith
37h 21m
2 stops
PHL08:36Philadelphia
28 June
PHL06:15Philadelphia
34h 35m
2 stops
SYD06:50Sydney Kingsford Smith
$2,412

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 18 March 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 18/6

09:20-14:49

2 stops43h 29m

Philadelphia

Sun 28/6

10:05-07:20

2 stops31h 15m

$1,408

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 18/6

09:20-14:49

3 stops43h 29m

Philadelphia

Sun 28/6

10:05-07:20

2 stops31h 15m

$1,419

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 22/4

09:20-23:43

2 stops28h 23m

Philadelphia

Sat 25/4

15:30-07:20

2 stops49h 50m

$1,480

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 1/5

09:20-22:43

2 stops27h 23m

Philadelphia

Fri 8/5

10:05-07:20

2 stops31h 15m

$1,495
Fastest return journey

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 1/5

09:20-21:33

2 stops26h 13m

Philadelphia

Fri 8/5

10:05-07:20

3 stops31h 15m

$1,502

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 18/6

09:20-15:39

2 stops44h 19m

Philadelphia

Sun 28/6

06:00-07:20

2 stops35h 20m

$1,527

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 2/5

09:20-22:34

2 stops27h 14m

Philadelphia

Sat 9/5

15:25-07:20

2 stops49h 55m

$1,559

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 22/4

09:20-23:43

2 stops28h 23m

Philadelphia

Sat 25/4

15:30-07:20

2 stops49h 50m

$1,568

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 2/5

09:20-22:34

2 stops27h 14m

Philadelphia

Sat 9/5

10:05-07:20

3 stops31h 15m

$1,570

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 22/4

09:20-14:46

3 stops43h 26m

Philadelphia

Sat 25/4

15:30-07:20

2 stops49h 50m

$1,577

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 $1,625.

How far in advance should I book a flight to Philadelphia?

You are more likely to see cheaper flights to Philadelphia from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $1,999 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 Sydney for as low as $1,626 on momondo.

Can stopping save me money on Sydney to Philadelphia flights?

You could potentially save up to 3% 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 March 2026, prices for Sydney to Philadelphia flights are approximately 0% 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

22h 58m

Direct flights

None
The fastest flight from Sydney to Philadelphia takes 22h 58m
There are no direct flights from Sydney to Philadelphia. There are no popular flight routes from Sydney to Philadelphia.
Search flight deals

  • 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 22h 58m.

  • 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 $601Free cancellationRating
7.4
9,435 reviews
Search United Airlines flights
Air CanadaPriceFrom $1,356Free cancellationRating
7.1
10,814 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,556Free cancellationRating
7.5
1,006 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,693Free cancellationRating
7.1
11,469 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
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