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Cheap flights from Sydney to Philadelphia from $771

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Sydney to Philadelphia

Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
11:10 - 07:08SYD  Sydney Kingsford Smith-PHL Philadelphia
35h 58m1 stop Los Angeles
American Airlines Logo
10:30 - 09:00PHL  Philadelphia-SYD Sydney Kingsford Smith
30h 30m1 stop Los Angeles
$1,984American Airlines
Tue, 24 Nov - Tue, 1 Dec
Delta Logo
10:40 - 05:43SYD  Sydney Kingsford Smith-PHL Philadelphia
35h 03m2 stops Los Angeles Seattle/Tacoma Intl
Delta Logo
05:34 - 08:30PHL  Philadelphia-SYD Sydney Kingsford Smith
34h 56m2 stops Minneapolis St Paul Los Angeles
$1,989Delta
Tue, 24 Nov - Tue, 1 Dec
American Airlines Logo
11:10 - 07:08SYD  Sydney Kingsford Smith-PHL Philadelphia
35h 58m1 stop Los Angeles
American Airlines Logo
18:39 - 09:00PHL  Philadelphia-SYD Sydney Kingsford Smith
22h 21m1 stop Los Angeles
$2,120American Airlines
Fri, 20 Nov - Fri, 27 Nov
Delta Logo
10:40 - 05:43SYD  Sydney Kingsford Smith-PHL Philadelphia
35h 03m2 stops Los Angeles Seattle/Tacoma Intl
Delta Logo
12:31 - 08:30PHL  Philadelphia-SYD Sydney Kingsford Smith
27h 59m2 stops Detroit Metropolitan Wayne County Los Angeles
$2,254Delta
Wed, 18 Nov - Wed, 6 Jan
Multiple Airlines Logo
09:55 - 12:19SYD  Sydney Kingsford Smith-PHL Philadelphia
42h 24m3 stops Auckland Intl Los Angeles Chicago O'Hare Intl
Multiple Airlines Logo
12:40 - 08:45PHL  Philadelphia-SYD Sydney Kingsford Smith
29h 05m2 stops Houston George Bush Intcntl Auckland Intl
$2,288Multiple Airlines
Sat, 6 Mar - Wed, 31 Mar
United Airlines Logo
11:50 - 17:15SYD  Sydney Kingsford Smith-PHL Philadelphia
21h 25m1 stop San Francisco
United Airlines Logo
17:45 - 06:20PHL  Philadelphia-SYD Sydney Kingsford Smith
44h 35m2 stops Houston George Bush Intcntl San Francisco
$2,334United Airlines
Wed, 18 Nov - Wed, 6 Jan
United Airlines Logo
11:20 - 18:41SYD  Sydney Kingsford Smith-PHL Philadelphia
23h 21m2 stops Los Angeles Houston George Bush Intcntl
United Airlines Logo
17:45 - 06:20PHL  Philadelphia-SYD Sydney Kingsford Smith
44h 35m2 stops Houston George Bush Intcntl San Francisco
$2,334United Airlines
Wed, 18 Nov - Wed, 6 Jan
Qantas Airways Logo
11:20 - 17:08SYD  Sydney Kingsford Smith-PHL Philadelphia
21h 48m1 stop Los Angeles
Qantas Airways Logo
16:00 - 08:05PHL  Philadelphia-SYD Sydney Kingsford Smith
25h 05m1 stop Los Angeles
$2,466Qantas Airways
Mon, 1 Mar - Mon, 29 Mar
Qantas Airways Logo
11:20 - 17:08SYD  Sydney Kingsford Smith-PHL Philadelphia
21h 48m1 stop Los Angeles
Qantas Airways Logo
16:00 - 09:25PHL  Philadelphia-SYD Sydney Kingsford Smith
26h 25m2 stops Los Angeles Brisbane
$2,493Qantas Airways
Mon, 1 Mar - Mon, 29 Mar
American Airlines Logo
11:10 - 19:30SYD  Sydney Kingsford Smith-PHL Philadelphia
48h 20m1 stop Los Angeles
American Airlines Logo
14:29 - 09:00PHL  Philadelphia-SYD Sydney Kingsford Smith
26h 31m1 stop Los Angeles
$2,541American Airlines
Thu, 24 Dec - Thu, 28 Jan

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American Airlines flights from Sydney to Philadelphia

Our best American Airlines deals on Sydney to Philadelphia flight tickets
American Airlines
5 Nov
SYD11:10Sydney Kingsford Smith
34h 05m
2 stops
PHL05:15Philadelphia
9 Nov
PHL07:00Philadelphia
31h 55m
1 stop
SYD06:55Sydney Kingsford Smith
$1,717
American Airlines
5 Nov
SYD11:10Sydney Kingsford Smith
34h 05m
2 stops
PHL05:15Philadelphia
9 Nov
PHL07:00Philadelphia
31h 55m
1 stop
SYD06:55Sydney Kingsford Smith
$1,722
American Airlines
24 Nov
SYD11:10Sydney Kingsford Smith
35h 58m
1 stop
PHL07:08Philadelphia
1 Dec
PHL10:30Philadelphia
30h 30m
1 stop
SYD09:00Sydney Kingsford Smith
$1,984

Delta flights from Sydney to Philadelphia

Our best Delta deals on Sydney to Philadelphia flight tickets
Delta
24 Nov
SYD10:40Sydney Kingsford Smith
35h 03m
2 stops
PHL05:43Philadelphia
1 Dec
PHL05:34Philadelphia
34h 56m
2 stops
SYD08:30Sydney Kingsford Smith
$1,989
Delta
18 Nov
SYD10:40Sydney Kingsford Smith
35h 03m
2 stops
PHL05:43Philadelphia
6 Jan
PHL12:31Philadelphia
27h 59m
2 stops
SYD08:30Sydney Kingsford Smith
$2,254
Delta
6 Dec
SYD10:40Sydney Kingsford Smith
38h 18m
2 stops
PHL08:58Philadelphia
3 Jan
PHL07:10Philadelphia
31h 40m
2 stops
SYD06:50Sydney Kingsford Smith
$2,339

momondo Fare Finder

 
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 Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Tue 24/11

11:10-07:08

1 stop35h 58m

Philadelphia

Tue 1/12

10:30-09:00

1 stop30h 30m

$1,984

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Tue 24/11

10:40-05:43

2 stops35h 03m

Philadelphia

Tue 1/12

05:34-08:30

2 stops34h 56m

$1,989

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Fri 20/11

11:10-07:08

1 stop35h 58m

Philadelphia

Fri 27/11

18:39-09:00

1 stop22h 21m

$2,120

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Wed 18/11

10:40-05:43

2 stops35h 03m

Philadelphia

Wed 6/1

12:31-08:30

2 stops27h 59m

$2,254

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Sat 6/3

09:55-12:19

3 stops42h 24m

Philadelphia

Wed 31/3

12:40-08:45

2 stops29h 05m

$2,288

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Wed 18/11

11:50-17:15

1 stop21h 25m

Philadelphia

Wed 6/1

17:45-06:20

2 stops44h 35m

$2,334

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Wed 18/11

11:20-18:41

2 stops23h 21m

Philadelphia

Wed 6/1

17:45-06:20

2 stops44h 35m

$2,334
Fastest return journey

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Mon 1/3

11:20-17:08

1 stop21h 48m

Philadelphia

Mon 29/3

16:00-08:05

1 stop25h 05m

$2,466

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Mon 1/3

11:20-17:08

1 stop21h 48m

Philadelphia

Mon 29/3

16:00-09:25

2 stops26h 25m

$2,493

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 24/12

11:10-19:30

1 stop48h 20m

Philadelphia

Thu 28/1

14:29-09:00

1 stop26h 31m

$2,541

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

Prices are currently high for flights on this route.

Typical prices usually range from $1,578 to $1,978.
The lowest price recently found on this route was $1,984.

What is the cheapest month to fly to Philadelphia?

If you aren’t able to travel to Philadelphia during the month of July, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,592.

Can stopping save me money on Sydney to Philadelphia flights?

You could potentially save up to 32% 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 October 2026, prices for Sydney to Philadelphia flights are approximately 3% 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

Best price found

$771

Fastest flight time

21h 27m

Direct flights

None
The best one-way flight to Philadelphia from Sydney in the past 72 hours is $771. The best return flight deal from Sydney to Philadelphia found on momondo in the last 72 hours is $1,984.
The fastest flight from Sydney to Philadelphia takes 21h 27m
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 21h 27m.

  • 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
7.3
10,441 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $1,569Free cancellationRating
7.5
1,118 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,837Free cancellationRating
7.0
12,189 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
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

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