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Cheap flights from Sydney to Philadelphia from $890

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 4/8. 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

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.
United Airlines Logo
09:30 - 18:57
SYD
-
PHL
23h 27m
2 stops
United Airlines Logo
13:30 - 06:55
PHL
-
SYD
27h 25m
2 stops
$1,441United Airlines
Tue, 28 Jul - Wed, 12 Aug
United Airlines Logo
09:30 - 18:57
SYD
-
PHL
23h 27m
2 stops
United Airlines Logo
13:30 - 06:55
PHL
-
SYD
27h 25m
2 stops
$1,442United Airlines
Tue, 28 Jul - Wed, 12 Aug
United Airlines Logo
10:20 - 21:19
SYD
-
PHL
24h 59m
2 stops
United Airlines Logo
13:30 - 06:55
PHL
-
SYD
27h 25m
2 stops
$1,443United Airlines
Mon, 10 Aug - Mon, 17 Aug
Lufthansa Logo
09:30 - 12:23
SYD
-
PHL
40h 53m
2 stops
Lufthansa Logo
18:36 - 06:55
PHL
-
SYD
22h 19m
1 stop
$1,455Lufthansa
Mon, 24 Aug - Mon, 31 Aug
United Airlines Logo
10:20 - 22:29
SYD
-
PHL
26h 09m
2 stops
United Airlines Logo
15:05 - 06:55
PHL
-
SYD
25h 50m
2 stops
$1,511United Airlines
Wed, 29 Jul - Thu, 13 Aug
United Airlines Logo
10:20 - 17:24
SYD
-
PHL
21h 04m
1 stop
United Airlines Logo
09:27 - 06:55
PHL
-
SYD
31h 28m
1 stop
$1,513United Airlines
Sun, 9 Aug - Mon, 17 Aug
United Airlines Logo
09:30 - 22:31
SYD
-
PHL
27h 01m
2 stops
United Airlines Logo
09:27 - 06:55
PHL
-
SYD
31h 28m
1 stop
$1,583United Airlines
Sat, 22 Aug - Sat, 29 Aug
Multiple Airlines Logo
13:15 - 05:39
SYD
-
PHL
30h 24m
3 stops
Multiple Airlines Logo
08:30 - 22:25
PHL
-
SYD
47h 55m
3 stops
$1,593Multiple Airlines
Thu, 13 Aug - Tue, 18 Aug
Air New Zealand Logo
09:30 - 19:25
SYD
-
PHL
23h 55m
2 stops
Air New Zealand Logo
19:40 - 07:00
PHL
-
SYD
45h 20m
2 stops
$1,603Air New Zealand
Mon, 17 Aug - Wed, 26 Aug
United Airlines Logo
09:30 - 22:29
SYD
-
PHL
26h 59m
2 stops
United Airlines Logo
13:31 - 07:00
PHL
-
SYD
27h 29m
2 stops
$1,669United Airlines
Thu, 6 Aug - Mon, 10 Aug

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Virgin Australia flights from Sydney to Philadelphia

Our best Virgin Australia deals on Sydney to Philadelphia flight tickets
Virgin Australia
10 Aug
SYD10:20Sydney Kingsford Smith
20h 53m
1 stop
PHL17:13Philadelphia
17 Aug
PHL18:36Philadelphia
22h 19m
1 stop
SYD06:55Sydney Kingsford Smith
$1,743
Virgin Australia
24 Aug
SYD10:20Sydney Kingsford Smith
21h 10m
1 stop
PHL17:30Philadelphia
31 Aug
PHL18:36Philadelphia
22h 19m
1 stop
SYD06:55Sydney Kingsford Smith
$1,745
Virgin Australia
29 July
SYD10:20Sydney Kingsford Smith
35h 30m
1 stop
PHL07:50Philadelphia
13 Aug
PHL18:36Philadelphia
22h 19m
1 stop
SYD06:55Sydney Kingsford Smith
$1,845

United Airlines flights from Sydney to Philadelphia

Our best United Airlines deals on Sydney to Philadelphia flight tickets
United Airlines
28 July
SYD09:30Sydney Kingsford Smith
23h 27m
2 stops
PHL18:57Philadelphia
12 Aug
PHL13:30Philadelphia
27h 25m
2 stops
SYD06:55Sydney Kingsford Smith
$1,441
United Airlines
28 July
SYD10:20Sydney Kingsford Smith
20h 57m
1 stop
PHL17:17Philadelphia
12 Aug
PHL10:30Philadelphia
30h 25m
2 stops
SYD06:55Sydney Kingsford Smith
$1,442
United Airlines
10 Aug
SYD10:20Sydney Kingsford Smith
24h 59m
2 stops
PHL21:19Philadelphia
17 Aug
PHL13:30Philadelphia
27h 25m
2 stops
SYD06:55Sydney Kingsford Smith
$1,443

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 12 July 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
Fastest return journey

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 28/7

09:30-18:57

2 stops23h 27m

Philadelphia

Wed 12/8

13:30-06:55

2 stops27h 25m

$1,441

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 28/7

09:30-18:57

2 stops23h 27m

Philadelphia

Wed 12/8

13:30-06:55

2 stops27h 25m

$1,442

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 10/8

10:20-21:19

2 stops24h 59m

Philadelphia

Mon 17/8

13:30-06:55

2 stops27h 25m

$1,443

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 24/8

09:30-12:23

2 stops40h 53m

Philadelphia

Mon 31/8

18:36-06:55

1 stop22h 19m

$1,455

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 29/7

10:20-22:29

2 stops26h 09m

Philadelphia

Thu 13/8

15:05-06:55

2 stops25h 50m

$1,511

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 9/8

10:20-17:24

1 stop21h 04m

Philadelphia

Mon 17/8

09:27-06:55

1 stop31h 28m

$1,512

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 22/8

09:30-22:31

2 stops27h 01m

Philadelphia

Sat 29/8

09:27-06:55

1 stop31h 28m

$1,583

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 13/8

13:15-05:39

3 stops30h 24m

Philadelphia

Tue 18/8

08:30-22:25

3 stops47h 55m

$1,593

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 17/8

09:30-19:25

2 stops23h 55m

Philadelphia

Wed 26/8

19:40-07:00

2 stops45h 20m

$1,603

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 6/8

09:30-22:29

2 stops26h 59m

Philadelphia

Mon 10/8

13:31-07:00

2 stops27h 29m

$1,669

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 July, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $1,656.

Can stopping save me money on Sydney to Philadelphia flights?

You could potentially save up to 19% 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 July 2026, prices for Sydney to Philadelphia flights are approximately 19% 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

26h 09m

Direct flights

None
The fastest flight from Sydney to Philadelphia takes 26h 09m
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 26h 09m.

  • 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
Qantas AirwaysPriceFrom $1,580Free cancellationRating
7.5
1,061 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,725Free cancellationRating
7.1
11,804 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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