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Cheap flights from Sydney to Philadelphia from $1,070

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 25/5. 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

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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
17:50 - 06:21
SYD
-
PHL
26h 31m
2 stops
Multiple Airlines Logo
06:30 - 07:30
PHL
-
SYD
35h 00m
2 stops
$1,817Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
17:50 - 09:16
SYD
-
PHL
29h 26m
1 stop
Multiple Airlines Logo
20:37 - 07:30
PHL
-
SYD
44h 53m
2 stops
$1,867Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
17:50 - 09:16
SYD
-
PHL
29h 26m
1 stop
Multiple Airlines Logo
11:06 - 07:30
PHL
-
SYD
30h 24m
2 stops
$1,915Multiple Airlines
Wed, 10 Jun - Wed, 17 Jun
Virgin Australia Logo
10:20 - 07:50
SYD
-
PHL
35h 30m
1 stop
Virgin Australia Logo
18:23 - 06:55
PHL
-
SYD
22h 32m
1 stop
$2,186Virgin Australia
Wed, 10 Jun - Wed, 17 Jun
Delta Logo
09:15 - 19:20
SYD
-
PHL
24h 05m
2 stops
Delta Logo
07:23 - 06:50
PHL
-
SYD
33h 27m
2 stops
$2,385Delta
Wed, 10 Jun - Wed, 17 Jun
Qantas Airways Logo
09:10 - 18:28
SYD
-
PHL
23h 18m
1 stop
Qantas Airways Logo
18:01 - 07:05
PHL
-
SYD
23h 04m
1 stop
$2,618Qantas Airways
Wed, 15 Jul - Wed, 22 Jul
Qantas Airways Logo
17:50 - 07:05
SYD
-
PHL
27h 15m
1 stop
Qantas Airways Logo
17:40 - 07:05
PHL
-
SYD
23h 25m
1 stop
$2,629Qantas Airways
Thu, 18 Jun - Sun, 28 Jun
Qantas Airways Logo
09:10 - 18:35
SYD
-
PHL
23h 25m
1 stop
Qantas Airways Logo
17:40 - 07:05
PHL
-
SYD
23h 25m
1 stop
$2,632Qantas Airways
Thu, 18 Jun - Sun, 28 Jun
Qantas Airways Logo
09:10 - 18:35
SYD
-
PHL
23h 25m
1 stop
Qantas Airways Logo
17:40 - 07:05
PHL
-
SYD
23h 25m
1 stop
$2,639Qantas Airways
Thu, 18 Jun - Sun, 28 Jun
Qantas Airways Logo
09:10 - 18:35
SYD
-
PHL
23h 25m
1 stop
Qantas Airways Logo
17:40 - 07:05
PHL
-
SYD
23h 25m
1 stop
$2,640Qantas Airways
Thu, 18 Jun - Sun, 28 Jun

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Air Canada flights from Sydney to Philadelphia

Our best Air Canada deals on Sydney to Philadelphia flight tickets
Air Canada
18 June
SYD09:20Sydney Kingsford Smith
26h 14m
2 stops
PHL21:34Philadelphia
28 June
PHL10:05Philadelphia
31h 15m
3 stops
SYD07:20Sydney Kingsford Smith
$3,355
Air Canada
8 July
SYD09:20Sydney Kingsford Smith
43h 29m
3 stops
PHL14:49Philadelphia
14 July
PHL15:25Philadelphia
25h 55m
2 stops
SYD07:20Sydney Kingsford Smith
$3,356
Air Canada
18 June
SYD09:20Sydney Kingsford Smith
26h 14m
2 stops
PHL21:34Philadelphia
28 June
PHL10:05Philadelphia
31h 15m
3 stops
SYD07:20Sydney Kingsford Smith
$3,365

Qantas Airways flights from Sydney to Philadelphia

Our best Qantas Airways deals on Sydney to Philadelphia flight tickets
Qantas Airways
15 July
SYD09:10Sydney Kingsford Smith
23h 18m
1 stop
PHL18:28Philadelphia
22 July
PHL18:01Philadelphia
23h 04m
1 stop
SYD07:05Sydney Kingsford Smith
$2,618
Qantas Airways
18 June
SYD17:50Sydney Kingsford Smith
27h 15m
1 stop
PHL07:05Philadelphia
28 June
PHL17:40Philadelphia
23h 25m
1 stop
SYD07:05Sydney Kingsford Smith
$2,629
Qantas Airways
18 June
SYD09:10Sydney Kingsford Smith
23h 25m
1 stop
PHL18:35Philadelphia
28 June
PHL17:40Philadelphia
23h 25m
1 stop
SYD07:05Sydney Kingsford Smith
$2,632

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 27 April 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

Mon 8/6

17:50-06:21

2 stops26h 31m

Philadelphia

Mon 15/6

06:30-07:30

2 stops35h 00m

$1,817

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 8/6

17:50-09:16

1 stop29h 26m

Philadelphia

Mon 15/6

20:37-07:30

2 stops44h 53m

$1,867

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 10/6

17:50-09:16

1 stop29h 26m

Philadelphia

Wed 17/6

11:06-07:30

2 stops30h 24m

$1,915

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 10/6

10:20-07:50

1 stop35h 30m

Philadelphia

Wed 17/6

18:23-06:55

1 stop22h 32m

$2,186

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 10/6

09:15-19:20

2 stops24h 05m

Philadelphia

Wed 17/6

07:23-06:50

2 stops33h 27m

$2,384
Fastest return journey

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 15/7

09:10-18:28

1 stop23h 18m

Philadelphia

Wed 22/7

18:01-07:05

1 stop23h 04m

$2,618

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 18/6

17:50-07:05

1 stop27h 15m

Philadelphia

Sun 28/6

17:40-07:05

1 stop23h 25m

$2,629

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 18/6

09:10-18:35

1 stop23h 25m

Philadelphia

Sun 28/6

17:40-07:05

1 stop23h 25m

$2,632

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 18/6

09:10-18:35

1 stop23h 25m

Philadelphia

Sun 28/6

17:40-07:05

1 stop23h 25m

$2,639

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 18/6

09:10-18:35

1 stop23h 25m

Philadelphia

Sun 28/6

17:40-07:05

1 stop23h 25m

$2,640

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?

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 $1,611.

How far in advance should I book a flight from Sydney 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 $2,055 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 $1,613 on momondo.

Can stopping save me money on Sydney to Philadelphia flights?

You could potentially save up to 1% 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 April 2026, prices for Sydney to Philadelphia flights are approximately 10% 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

23h 18m

Direct flights

None
The fastest flight from Sydney to Philadelphia takes 23h 18m
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 23h 18m.

  • 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 $596Free cancellationRating
7.4
9,672 reviews
Search United Airlines flights
Air CanadaPriceFrom $1,301Free cancellationRating
7.1
10,975 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,537Free cancellationRating
7.5
1,028 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,678Free cancellationRating
7.1
11,673 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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