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Cheap flights from Sydney to Philadelphia from $1,079

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 29/4. 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 - 09:48
SYD
-
PHL
38h 28m
2 stops
Air Canada Logo
10:05 - 07:20
PHL
-
SYD
31h 15m
2 stops
$1,354Air Canada
Wed, 20 May - Thu, 4 Jun
Air Canada Logo
09:20 - 09:48
SYD
-
PHL
38h 28m
2 stops
Air Canada Logo
10:05 - 07:20
PHL
-
SYD
31h 15m
3 stops
$1,373Air Canada
Wed, 20 May - Thu, 4 Jun
Air Canada Logo
09:20 - 14:46
SYD
-
PHL
43h 26m
2 stops
Air Canada Logo
09:55 - 07:20
PHL
-
SYD
31h 25m
2 stops
$1,413Air Canada
Tue, 21 Apr - Tue, 12 May
Air Canada Logo
09:20 - 14:46
SYD
-
PHL
43h 26m
2 stops
Air Canada Logo
10:05 - 07:20
PHL
-
SYD
55h 15m
2 stops
$1,417Air Canada
Tue, 21 Apr - Mon, 11 May
Air Canada Logo
09:20 - 23:43
SYD
-
PHL
52h 23m
2 stops
Air Canada Logo
10:05 - 07:20
PHL
-
SYD
55h 15m
2 stops
$1,420Air Canada
Thu, 23 Apr - Mon, 11 May
Air Canada Logo
09:20 - 14:46
SYD
-
PHL
43h 26m
2 stops
Air Canada Logo
10:25 - 07:20
PHL
-
SYD
30h 55m
2 stops
$1,424Air Canada
Tue, 21 Apr - Thu, 14 May
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
$1,433Air Canada
Thu, 16 Apr - Wed, 13 May
Multiple Airlines Logo
09:20 - 23:43
SYD
-
PHL
28h 23m
2 stops
Multiple Airlines Logo
10:05 - 07:20
PHL
-
SYD
31h 15m
2 stops
$1,435Multiple Airlines
Fri, 17 Apr - Tue, 5 May
Multiple Airlines Logo
09:20 - 22:25
SYD
-
PHL
27h 05m
2 stops
Multiple Airlines Logo
10:05 - 07:20
PHL
-
SYD
31h 15m
2 stops
$1,437Multiple Airlines
Fri, 17 Apr - Wed, 13 May
Multiple Airlines Logo
09:20 - 22:25
SYD
-
PHL
27h 05m
2 stops
Multiple Airlines Logo
10:05 - 07:20
PHL
-
SYD
31h 15m
2 stops
$1,443Multiple Airlines
Fri, 17 Apr - Mon, 4 May

Air Canada flights from Sydney to Philadelphia

Our best Air Canada deals on Sydney to Philadelphia flight tickets
Air Canada
20 May
SYD09:20Sydney Kingsford Smith
38h 28m
2 stops
PHL09:48Philadelphia
4 June
PHL10:05Philadelphia
31h 15m
2 stops
SYD07:20Sydney Kingsford Smith
$1,354
Air Canada
20 May
SYD09:20Sydney Kingsford Smith
38h 28m
2 stops
PHL09:48Philadelphia
4 June
PHL10:05Philadelphia
31h 15m
3 stops
SYD07:20Sydney Kingsford Smith
$1,373
Air Canada
21 Apr
SYD09:20Sydney Kingsford Smith
43h 26m
2 stops
PHL14:46Philadelphia
12 May
PHL09:55Philadelphia
31h 25m
2 stops
SYD07:20Sydney Kingsford Smith
$1,413

American Airlines flights from Sydney to Philadelphia

Our best American Airlines deals on Sydney to Philadelphia flight tickets
American Airlines
1 Apr
SYD18:50Sydney Kingsford Smith
26h 01m
1 stop
PHL05:51Philadelphia
18 Apr
PHL20:10Philadelphia
44h 55m
1 stop
SYD07:05Sydney Kingsford Smith
$3,645
American Airlines
2 Apr
SYD13:00Sydney Kingsford Smith
38h 55m
1 stop
PHL12:55Philadelphia
22 Apr
PHL18:32Philadelphia
22h 23m
1 stop
SYD06:55Sydney Kingsford Smith
$3,655
American Airlines
1 Apr
SYD18:50Sydney Kingsford Smith
28h 13m
1 stop
PHL08:03Philadelphia
23 Apr
PHL14:15Philadelphia
26h 50m
1 stop
SYD07:05Sydney Kingsford Smith
$3,719

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 23 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

Wed 20/5

09:20-09:48

2 stops38h 28m

Philadelphia

Thu 4/6

10:05-07:20

2 stops31h 15m

$1,354

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 20/5

09:20-09:48

2 stops38h 28m

Philadelphia

Thu 4/6

10:05-07:20

3 stops31h 15m

$1,373

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 21/4

09:20-14:46

2 stops43h 26m

Philadelphia

Tue 12/5

09:55-07:20

2 stops31h 25m

$1,413

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 21/4

09:20-14:46

2 stops43h 26m

Philadelphia

Mon 11/5

10:05-07:20

2 stops55h 15m

$1,417

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 23/4

09:20-23:43

2 stops52h 23m

Philadelphia

Mon 11/5

10:05-07:20

2 stops55h 15m

$1,420

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 21/4

09:20-14:46

2 stops43h 26m

Philadelphia

Thu 14/5

10:25-07:20

2 stops30h 55m

$1,424

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 16/4

09:20-22:43

2 stops27h 23m

Philadelphia

Wed 13/5

10:05-07:20

2 stops31h 15m

$1,433

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 17/4

09:20-23:43

2 stops28h 23m

Philadelphia

Tue 5/5

10:05-07:20

2 stops31h 15m

$1,435
Fastest return journey

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 17/4

09:20-22:25

2 stops27h 05m

Philadelphia

Wed 13/5

10:05-07:20

2 stops31h 15m

$1,437

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 17/4

09:20-22:25

2 stops27h 05m

Philadelphia

Mon 4/5

10:05-07:20

2 stops31h 15m

$1,442

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 $1,640.

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 $2,018 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 $1,642 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

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

  • 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 $606Free cancellationRating
7.4
9,459 reviews
Search United Airlines flights
Air CanadaPriceFrom $1,369Free cancellationRating
7.1
10,834 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,571Free cancellationRating
7.5
1,007 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,709Free cancellationRating
7.1
11,488 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.
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