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Cheap flights from Sydney to Philadelphia from $942

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 10/10. 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

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Find the cheapest flights from Sydney to Philadelphia

Cheap return flights

Logo
17:45 - 07:02SYD-PHL
28h 17m1 stop
Logo
07:40 - 07:25PHL-SYD
31h 45m2 stops
$1,484
Find Deal
Mon, 27 Oct - Mon, 3 Nov
Air Canada Logo
10:20 - 14:47SYD-PHL
43h 27m2 stops
Air Canada Logo
09:20 - 09:35PHL-SYD
32h 15m2 stops
$1,491Air Canada
Find Deal
Tue, 28 Oct - Tue, 4 Nov
Qantas Airways Logo
11:20 - 20:19SYD-PHL
23h 59m1 stop
Qantas Airways Logo
15:55 - 09:00PHL-SYD
25h 05m1 stop
$1,514Qantas Airways
Find Deal
Tue, 28 Oct - Tue, 4 Nov
Air Canada Logo
10:20 - 14:47SYD-PHL
43h 27m3 stops
Air Canada Logo
09:20 - 09:35PHL-SYD
32h 15m2 stops
$1,538Air Canada
Find Deal
Tue, 28 Oct - Tue, 4 Nov
Air Canada Logo
10:20 - 14:47SYD-PHL
43h 27m3 stops
Air Canada Logo
09:20 - 09:35PHL-SYD
32h 15m2 stops
$1,539Air Canada
Find Deal
Tue, 28 Oct - Tue, 4 Nov
American Airlines Logo
11:20 - 23:04SYD-PHL
26h 44m1 stop
American Airlines Logo
14:10 - 09:00PHL-SYD
26h 50m2 stops
$1,581American Airlines
Find Deal
Tue, 28 Oct - Tue, 4 Nov
American Airlines Logo
11:20 - 20:07SYD-PHL
23h 47m2 stops
American Airlines Logo
19:02 - 09:00PHL-SYD
21h 58m1 stop
$1,583American Airlines
Find Deal
Tue, 28 Oct - Tue, 4 Nov
Japan Airlines Logo
09:15 - 19:42SYD-PHL
50h 27m2 stops
Japan Airlines Logo
06:00 - 06:50PHL-SYD
32h 50m2 stops
$8,007Japan Airlines
Find Deal
Mon, 24 Nov - Fri, 12 Dec
Japan Airlines Logo
09:55 - 14:50SYD-PHL
43h 55m2 stops
Japan Airlines Logo
07:35 - 06:50PHL-SYD
55h 15m2 stops
$8,314Japan Airlines
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Tue, 7 Oct - Sun, 16 Nov
United Airlines Logo
12:10 - 17:10SYD-PHL
21h 00m1 stop
United Airlines Logo
12:45 - 07:00PHL-SYD
26h 15m1 stop
$10,483United Airlines
Find Deal
Mon, 24 Nov - Fri, 12 Dec

Air Canada flights from Sydney to Philadelphia

Our best Air Canada deals on Sydney to Philadelphia flight tickets
Air Canada
28 Oct
SYD10:20Sydney Kingsford Smith
43h 27m
2 stops
PHL14:47Philadelphia
4 Nov
PHL09:20Philadelphia
32h 15m
2 stops
SYD09:35Sydney Kingsford Smith
$1,491
Find similar
Air Canada
28 Oct
SYD10:20Sydney Kingsford Smith
43h 27m
3 stops
PHL14:47Philadelphia
4 Nov
PHL09:20Philadelphia
32h 15m
2 stops
SYD09:35Sydney Kingsford Smith
$1,538
Find similar
Air Canada
28 Oct
SYD10:20Sydney Kingsford Smith
43h 27m
3 stops
PHL14:47Philadelphia
4 Nov
PHL09:20Philadelphia
32h 15m
2 stops
SYD09:35Sydney Kingsford Smith
$1,539
Find similar

Qantas Airways flights from Sydney to Philadelphia

Our best Qantas Airways deals on Sydney to Philadelphia flight tickets
Qantas Airways
28 Oct
SYD11:20Sydney Kingsford Smith
23h 59m
1 stop
PHL20:19Philadelphia
4 Nov
PHL15:55Philadelphia
25h 05m
1 stop
SYD09:00Sydney Kingsford Smith
$1,514
Find similar
Qantas Airways
18 Sept
SYD09:10Sydney Kingsford Smith
22h 32m
1 stop
PHL17:42Philadelphia
17 Oct
PHL15:45Philadelphia
24h 45m
1 stop
SYD07:30Sydney Kingsford Smith
$1,959
Find similar

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 14 September 2025.
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

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 27/10

17:45-07:02

1 stop28h 17m

Philadelphia

Mon 3/11

07:40-07:25

2 stops31h 45m

$1,484

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 28/10

10:20-14:47

2 stops43h 27m

Philadelphia

Tue 4/11

09:20-09:35

2 stops32h 15m

$1,491

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 28/10

11:20-20:19

1 stop23h 59m

Philadelphia

Tue 4/11

15:55-09:00

1 stop25h 05m

$1,514

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 28/10

10:20-14:47

3 stops43h 27m

Philadelphia

Tue 4/11

09:20-09:35

2 stops32h 15m

$1,538

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 28/10

10:20-14:47

3 stops43h 27m

Philadelphia

Tue 4/11

09:20-09:35

2 stops32h 15m

$1,539

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 28/10

11:20-23:04

1 stop26h 44m

Philadelphia

Tue 4/11

14:10-09:00

2 stops26h 50m

$1,581

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 28/10

11:20-20:07

2 stops23h 47m

Philadelphia

Tue 4/11

19:02-09:00

1 stop21h 58m

$1,583

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 24/11

09:15-19:42

2 stops50h 27m

Philadelphia

Fri 12/12

06:00-06:50

2 stops32h 50m

$8,007

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 7/10

09:55-14:50

2 stops43h 55m

Philadelphia

Sun 16/11

07:35-06:50

2 stops55h 15m

$8,314

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 24/11

12:10-17:10

1 stop21h 00m

Philadelphia

Fri 12/12

12:45-07:00

1 stop26h 15m

$10,483

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 cheapest month to fly to Philadelphia?

If you aren’t able to travel to Philadelphia during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,193.

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from Sydney to Philadelphia is on a Thursday when prices can be found for as low as $1,941. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $2,434. These prices are subject to change though, so be sure to set up a Price Alert for flights to Philadelphia.

What is the cheapest time of day to depart on your flight to Philadelphia?

Flying to Philadelphia from Sydney in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,638 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Philadelphia is in the afternoon when prices are around $2,305.

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 $2,083 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 $1,252 on momondo.

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

Direct flights

None
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 50m.

  • 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
DeltaPriceFrom $1,157Free cancellationRating
7.9
7,959 reviews
Search Delta flights
United AirlinesPriceFrom $1,203Free cancellationRating
7.4
8,934 reviews
Search United Airlines flights
Air CanadaPriceFrom $1,452Free cancellationRating
7.1
10,000 reviews
Search Air Canada flights
Air New ZealandPriceFrom $1,653Free cancellationRating
8.0
505 reviews
Search Air New Zealand flights
Qantas AirwaysPriceFrom $1,705Free cancellationRating
7.5
905 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,823Free cancellationRating
7.2
10,000 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

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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