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Cheap flights from Sydney to Philadelphia from $841

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 15/8. 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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Find the cheapest flights from Sydney to Philadelphia

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
13:15 - 12:25
SYD
-
PHL
37h 10m
3 stops
Multiple Airlines Logo
10:11 - 11:50
PHL
-
SYD
35h 39m
3 stops
$1,474Multiple Airlines
Tue, 12 May - Tue, 19 May
Air Canada Logo
09:20 - 22:43
SYD
-
PHL
27h 23m
2 stops
Air Canada Logo
15:40 - 07:20
PHL
-
SYD
25h 40m
2 stops
$1,729Air Canada
Tue, 21 Apr - Tue, 28 Apr
Air Canada Logo
09:20 - 15:39
SYD
-
PHL
44h 19m
2 stops
Air Canada Logo
10:05 - 07:20
PHL
-
SYD
55h 15m
2 stops
$1,795Air Canada
Thu, 18 Jun - Sun, 28 Jun
Qantas Airways Logo
09:10 - 18:54
SYD
-
PHL
23h 44m
1 stop
Qantas Airways Logo
15:29 - 07:05
PHL
-
SYD
25h 36m
1 stop
$1,840Qantas Airways
Sat, 2 May - Mon, 25 May
Multiple Airlines Logo
09:10 - 07:12
SYD
-
PHL
36h 02m
2 stops
Multiple Airlines Logo
07:00 - 07:05
PHL
-
SYD
34h 05m
2 stops
$1,866Multiple Airlines
Sat, 9 May - Sat, 16 May
Multiple Airlines Logo
17:50 - 17:34
SYD
-
PHL
37h 44m
2 stops
Multiple Airlines Logo
07:00 - 07:30
PHL
-
SYD
34h 30m
2 stops
$1,895Multiple Airlines
Thu, 30 Apr - Mon, 11 May
Multiple Airlines Logo
17:50 - 06:05
SYD
-
PHL
26h 15m
2 stops
Multiple Airlines Logo
17:37 - 07:05
PHL
-
SYD
23h 28m
1 stop
$1,924Multiple Airlines
Tue, 21 Apr - Tue, 28 Apr
Qantas Airways Logo
21:25 - 07:08
SYD
-
PHL
23h 43m
1 stop
Qantas Airways Logo
15:51 - 06:25
PHL
-
SYD
24h 34m
1 stop
$1,940Qantas Airways
Tue, 21 Apr - Tue, 28 Apr
Multiple Airlines Logo
17:50 - 05:25
SYD
-
PHL
25h 35m
2 stops
Multiple Airlines Logo
19:50 - 07:30
PHL
-
SYD
45h 40m
1 stop
$1,988Multiple Airlines
Sat, 2 May - Mon, 25 May
Air Canada Logo
09:20 - 14:49
SYD
-
PHL
43h 29m
3 stops
Air Canada Logo
10:05 - 07:20
PHL
-
SYD
55h 15m
2 stops
$2,066Air Canada
Thu, 18 Jun - Sun, 28 Jun

Air Canada flights from Sydney to Philadelphia

Our best Air Canada deals on Sydney to Philadelphia flight tickets
Air Canada
21 Apr
SYD09:20Sydney Kingsford Smith
27h 23m
2 stops
PHL22:43Philadelphia
28 Apr
PHL15:40Philadelphia
25h 40m
2 stops
SYD07:20Sydney Kingsford Smith
$1,729
Air Canada
1 June
SYD09:20Sydney Kingsford Smith
26h 13m
2 stops
PHL21:33Philadelphia
23 June
PHL10:05Philadelphia
31h 15m
3 stops
SYD07:20Sydney Kingsford Smith
$2,670
Air Canada
18 June
SYD09:20Sydney Kingsford Smith
43h 29m
2 stops
PHL14:49Philadelphia
28 June
PHL10:05Philadelphia
31h 15m
2 stops
SYD07:20Sydney Kingsford Smith
$2,702

Qantas Airways flights from Sydney to Philadelphia

Our best Qantas Airways deals on Sydney to Philadelphia flight tickets
Qantas Airways
2 May
SYD09:10Sydney Kingsford Smith
23h 44m
1 stop
PHL18:54Philadelphia
25 May
PHL15:29Philadelphia
25h 36m
1 stop
SYD07:05Sydney Kingsford Smith
$1,840
Qantas Airways
21 Apr
SYD21:25Sydney Kingsford Smith
23h 43m
1 stop
PHL07:08Philadelphia
28 Apr
PHL15:51Philadelphia
24h 34m
1 stop
SYD06:25Sydney Kingsford Smith
$1,940
Qantas Airways
20 Apr
SYD09:10Sydney Kingsford Smith
34h 42m
1 stop
PHL05:52Philadelphia
3 May
PHL15:51Philadelphia
24h 34m
1 stop
SYD06:25Sydney Kingsford Smith
$2,496

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 28 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

Tue 12/5

13:15-12:25

3 stops37h 10m

Philadelphia

Tue 19/5

10:11-11:50

3 stops35h 39m

$1,474

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 21/4

09:20-22:43

2 stops27h 23m

Philadelphia

Tue 28/4

15:40-07:20

2 stops25h 40m

$1,729

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 18/6

09:20-15:39

2 stops44h 19m

Philadelphia

Sun 28/6

10:05-07:20

2 stops55h 15m

$1,794

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 2/5

09:10-18:54

1 stop23h 44m

Philadelphia

Mon 25/5

15:29-07:05

1 stop25h 36m

$1,840

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 9/5

09:10-07:12

2 stops36h 02m

Philadelphia

Sat 16/5

07:00-07:05

2 stops34h 05m

$1,866

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 30/4

17:50-17:34

2 stops37h 44m

Philadelphia

Mon 11/5

07:00-07:30

2 stops34h 30m

$1,895

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 21/4

17:50-06:05

2 stops26h 15m

Philadelphia

Tue 28/4

17:37-07:05

1 stop23h 28m

$1,924
Fastest return journey

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 21/4

21:25-07:08

1 stop23h 43m

Philadelphia

Tue 28/4

15:51-06:25

1 stop24h 34m

$1,940

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 2/5

17:50-05:25

2 stops25h 35m

Philadelphia

Mon 25/5

19:50-07:30

1 stop45h 40m

$1,988

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 stops55h 15m

$2,066

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 $1,673.

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 $2,057 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 $1,674 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

27h 40m

Direct flights

None
The fastest flight from Sydney to Philadelphia takes 27h 40m
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 27h 40m.

  • 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 $618Free cancellationRating
7.4
9,499 reviews
Search United Airlines flights
Air CanadaPriceFrom $1,396Free cancellationRating
7.1
10,853 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,601Free cancellationRating
7.5
1,013 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,742Free cancellationRating
7.1
11,520 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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