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Cheap flights from Sydney to Philadelphia from $984

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 4/12. 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.
Air New Zealand Logo
09:55 - 22:45SYD-PHL
28h 50m2 stops
Air New Zealand Logo
06:15 - 10:30PHL-SYD
36h 15m2 stops
$1,616Air New Zealand
Find Deal
Thu, 4 Dec - Sat, 6 Dec
Air New Zealand Logo
11:45 - 21:33SYD-PHL
25h 48m2 stops
Air New Zealand Logo
08:28 - 08:45PHL-SYD
33h 17m2 stops
$1,623Air New Zealand
Find Deal
Wed, 4 Mar - Mon, 16 Mar
Air Canada Logo
11:20 - 22:46SYD-PHL
27h 26m2 stops
Air Canada Logo
15:30 - 08:35PHL-SYD
26h 05m2 stops
$1,983Air Canada
Find Deal
Sat, 7 Mar - Tue, 10 Mar
Multiple Airlines Logo
09:55 - 14:07SYD-PHL
44h 12m3 stops
Multiple Airlines Logo
06:15 - 10:30PHL-SYD
36h 15m2 stops
$1,994Multiple Airlines
Find Deal
Thu, 4 Dec - Sat, 6 Dec
Multiple Airlines Logo
11:45 - 14:22SYD-PHL
42h 37m3 stops
Multiple Airlines Logo
08:28 - 08:45PHL-SYD
33h 17m2 stops
$2,003Multiple Airlines
Find Deal
Wed, 4 Mar - Mon, 16 Mar
Multiple Airlines Logo
13:55 - 00:26SYD-PHL
26h 31m3 stops
Multiple Airlines Logo
06:00 - 08:45PHL-SYD
35h 45m2 stops
$2,012Multiple Airlines
Find Deal
Thu, 5 Mar - Wed, 18 Mar
Air New Zealand Logo
09:55 - 07:45SYD-PHL
35h 50m2 stops
Air New Zealand Logo
06:10 - 08:45PHL-SYD
36h 35m2 stops
$2,119Air New Zealand
Find Deal
Mon, 4 May - Tue, 9 Jun
Air Canada Logo
11:20 - 14:49SYD-PHL
43h 29m2 stops
Air Canada Logo
15:30 - 08:35PHL-SYD
50h 05m2 stops
$2,289Air Canada
Find Deal
Sat, 7 Mar - Tue, 10 Mar
Multiple Airlines Logo
11:50 - 14:22SYD-PHL
40h 32m3 stops
Multiple Airlines Logo
06:10 - 10:35PHL-SYD
38h 25m2 stops
$2,297Multiple Airlines
Find Deal
Mon, 4 May - Tue, 9 Jun
Air Canada Logo
11:20 - 14:49SYD-PHL
43h 29m2 stops
Air Canada Logo
15:30 - 08:35PHL-SYD
50h 05m2 stops
$2,300Air Canada
Find Deal
Sat, 7 Mar - Tue, 10 Mar

Air New Zealand flights from Sydney to Philadelphia

Our best Air New Zealand deals on Sydney to Philadelphia flight tickets
Air New Zealand
4 Mar
SYD11:45Sydney Kingsford Smith
25h 48m
2 stops
PHL21:33Philadelphia
16 Mar
PHL08:28Philadelphia
33h 17m
2 stops
SYD08:45Sydney Kingsford Smith
$1,623
Find similar
Air New Zealand
4 Dec
SYD11:45Sydney Kingsford Smith
27h 00m
2 stops
PHL22:45Philadelphia
7 Dec
PHL06:15Philadelphia
34h 30m
2 stops
SYD08:45Sydney Kingsford Smith
$1,750
Find similar
Air New Zealand
23 Dec
SYD19:15Sydney Kingsford Smith
43h 41m
2 stops
PHL22:56Philadelphia
29 Jan
PHL08:35Philadelphia
32h 10m
2 stops
SYD08:45Sydney Kingsford Smith
$3,362
Find similar

American Airlines flights from Sydney to Philadelphia

Our best American Airlines deals on Sydney to Philadelphia flight tickets
American Airlines
5 Mar
SYD11:20Sydney Kingsford Smith
35h 35m
1 stop
PHL06:55Philadelphia
18 Mar
PHL17:05Philadelphia
24h 55m
2 stops
SYD09:00Sydney Kingsford Smith
$2,369
Find similar
American Airlines
4 May
SYD09:10Sydney Kingsford Smith
22h 43m
2 stops
PHL17:53Philadelphia
15 May
PHL18:03Philadelphia
23h 02m
1 stop
SYD07:05Sydney Kingsford Smith
$2,442
Find similar
American Airlines
4 May
SYD09:10Sydney Kingsford Smith
22h 43m
2 stops
PHL17:53Philadelphia
15 May
PHL16:16Philadelphia
27h 04m
2 stops
SYD09:20Sydney Kingsford Smith
$2,483
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 12 November 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

Thu 4/12

09:55-22:45

2 stops28h 50m

Philadelphia

Sat 6/12

06:15-10:30

2 stops36h 15m

$1,616

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 4/3

11:45-21:33

2 stops25h 48m

Philadelphia

Mon 16/3

08:28-08:45

2 stops33h 17m

$1,623

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 7/3

11:20-22:46

2 stops27h 26m

Philadelphia

Tue 10/3

15:30-08:35

2 stops26h 05m

$1,983

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 4/12

09:55-14:07

3 stops44h 12m

Philadelphia

Sat 6/12

06:15-10:30

2 stops36h 15m

$1,994

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 4/3

11:45-14:22

3 stops42h 37m

Philadelphia

Mon 16/3

08:28-08:45

2 stops33h 17m

$2,003

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 5/3

13:55-00:26

3 stops26h 31m

Philadelphia

Wed 18/3

06:00-08:45

2 stops35h 45m

$2,012

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 4/5

09:55-07:45

2 stops35h 50m

Philadelphia

Tue 9/6

06:10-08:45

2 stops36h 35m

$2,119

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 7/3

11:20-14:49

2 stops43h 29m

Philadelphia

Tue 10/3

15:30-08:35

2 stops50h 05m

$2,289

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 4/5

11:50-14:22

3 stops40h 32m

Philadelphia

Tue 9/6

06:10-10:35

2 stops38h 25m

$2,297

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 7/3

11:20-14:49

2 stops43h 29m

Philadelphia

Tue 10/3

15:30-08:35

2 stops50h 05m

$2,300

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 February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,215.

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 $1,975. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $2,478. 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 $1,667 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 $2,347.

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 $2,134 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 $1,258 on momondo.

Can stopping save me money on Sydney to Philadelphia flights?

You could potentially save up to 15% on your flight if you consider stops on a Sydney to Philadelphia flight.

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.
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  • 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 51m.

  • 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 $1,178Free cancellationRating
7.9
8,007 reviews
Search Delta flights
United AirlinesPriceFrom $1,225Free cancellationRating
7.4
9,015 reviews
Search United Airlines flights
Air CanadaPriceFrom $1,471Free cancellationRating
7.1
10,444 reviews
Search Air Canada flights
Air New ZealandPriceFrom $1,683Free cancellationRating
8.0
526 reviews
Search Air New Zealand flights
Qantas AirwaysPriceFrom $1,710Free cancellationRating
7.5
933 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,856Free cancellationRating
7.2
11,050 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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