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Cheap flights from Philadelphia to Sydney from $643

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Philadelphia to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
10:05 am - 8:20 amPHL  Philadelphia-SYD Sydney Kingsford Smith
31h 15m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Vancouver Intl
Air Canada Logo
10:20 am - 2:44 pmSYD  Sydney Kingsford Smith-PHL Philadelphia
43h 24m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
$1,120Air Canada
Wed, Oct 21 - Wed, Oct 28
Air Canada Logo
3:20 pm - 8:35 amPHL  Philadelphia-SYD Sydney Kingsford Smith
26h 15m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
Air Canada Logo
11:20 am - 2:44 pmSYD  Sydney Kingsford Smith-PHL Philadelphia
43h 24m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
$1,143Air Canada
Mon, Oct 26 - Mon, Nov 9
Qantas Airways Logo
5:17 pm - 8:50 pmPHL  Philadelphia-SYD Sydney Kingsford Smith
35h 33m2 stops Dallas/Fort Worth Auckland Intl
Qantas Airways Logo
11:20 am - 8:35 pmSYD  Sydney Kingsford Smith-PHL Philadelphia
25h 15m1 stop Los Angeles
$1,162Qantas Airways
Mon, Feb 1 - Wed, Feb 10
Multiple Airlines Logo
1:20 pm - 9:35 amPHL  Philadelphia-SYD Sydney Kingsford Smith
28h 15m3 stops Chicago O'Hare Intl Denver Intl Vancouver Intl
Multiple Airlines Logo
10:20 am - 2:42 pmSYD  Sydney Kingsford Smith-PHL Philadelphia
43h 22m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
$1,178Multiple Airlines
Tue, Nov 17 - Tue, Mar 16
Multiple Airlines Logo
1:20 pm - 9:35 amPHL  Philadelphia-SYD Sydney Kingsford Smith
28h 15m3 stops Chicago O'Hare Intl Denver Intl Vancouver Intl
Multiple Airlines Logo
11:20 am - 2:44 pmSYD  Sydney Kingsford Smith-PHL Philadelphia
43h 24m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
$1,178Multiple Airlines
Tue, Nov 3 - Wed, Nov 11
Qantas Airways Logo
2:14 pm - 10:20 amPHL  Philadelphia-SYD Sydney Kingsford Smith
28h 06m2 stops Los Angeles Brisbane
Qantas Airways Logo
2:05 pm - 7:48 pmSYD  Sydney Kingsford Smith-PHL Philadelphia
21h 43m1 stop Dallas/Fort Worth
$1,269Qantas Airways
Wed, Feb 17 - Wed, Feb 24
American Airlines Logo
5:35 pm - 8:05 amPHL  Philadelphia-SYD Sydney Kingsford Smith
23h 30m2 stops Phoenix Sky Harbor Intl Los Angeles
American Airlines Logo
11:15 am - 6:44 pmSYD  Sydney Kingsford Smith-PHL Philadelphia
22h 29m1 stop Los Angeles
$1,448American Airlines
Mon, Oct 19 - Mon, Oct 26
United Airlines Logo
9:45 am - 9:20 amPHL  Philadelphia-SYD Sydney Kingsford Smith
31h 35m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
9:20 am - 6:41 pmSYD  Sydney Kingsford Smith-PHL Philadelphia
25h 21m1 stop Houston George Bush Intcntl
$1,460United Airlines
Sun, Nov 1 - Tue, Nov 10
United Airlines Logo
10:10 am - 6:20 amPHL  Philadelphia-SYD Sydney Kingsford Smith
28h 10m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
11:50 am - 4:58 pmSYD  Sydney Kingsford Smith-PHL Philadelphia
21h 08m1 stop San Francisco
$1,460United Airlines
Sun, Feb 21 - Tue, Mar 2
American Airlines Logo
4:56 pm - 7:05 amPHL  Philadelphia-SYD Sydney Kingsford Smith
24h 09m2 stops Charlotte Douglas Los Angeles
American Airlines Logo
10:10 am - 8:38 pmSYD  Sydney Kingsford Smith-PHL Philadelphia
25h 28m1 stop Los Angeles
$1,461American Airlines
Mon, Sep 28 - Tue, Oct 13

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Qantas Airways flights from Philadelphia to Sydney

Our best Qantas Airways deals on Philadelphia to Sydney flight tickets
Qantas Airways
Feb 1
PHL5:17 pmPhiladelphia
35h 33m
2 stops
SYD8:50 pmSydney Kingsford Smith
Feb 10
SYD11:20 amSydney Kingsford Smith
25h 15m
1 stop
PHL8:35 pmPhiladelphia
$1,162
Qantas Airways
Feb 17
PHL2:14 pmPhiladelphia
28h 06m
2 stops
SYD10:20 amSydney Kingsford Smith
Feb 24
SYD2:05 pmSydney Kingsford Smith
21h 43m
1 stop
PHL7:48 pmPhiladelphia
$1,269
Qantas Airways
Nov 3
PHL12:34 pmPhiladelphia
26h 21m
1 stop
SYD6:55 amSydney Kingsford Smith
Nov 11
SYD11:05 amSydney Kingsford Smith
25h 09m
2 stops
PHL8:14 pmPhiladelphia
$1,278

Qatar Airways flights from Philadelphia to Sydney

Our best Qatar Airways deals on Philadelphia to Sydney flight tickets
Qatar Airways
Jan 12
PHL8:45 pmPhiladelphia
30h 35m
1 stop
SYD7:20 pmSydney Kingsford Smith
Feb 11
SYD3:50 pmSydney Kingsford Smith
39h 00m
1 stop
PHL2:50 pmPhiladelphia
$1,248
Qatar Airways
Feb 10
PHL8:45 pmPhiladelphia
30h 35m
1 stop
SYD7:20 pmSydney Kingsford Smith
Feb 25
SYD10:10 pmSydney Kingsford Smith
32h 40m
1 stop
PHL2:50 pmPhiladelphia
$1,249
Qatar Airways
Nov 10
PHL8:45 pmPhiladelphia
42h 05m
1 stop
SYD6:50 amSydney Kingsford Smith
Nov 18
SYD3:50 pmSydney Kingsford Smith
39h 00m
1 stop
PHL2:50 pmPhiladelphia
$1,265

momondo Fare Finder

 
Use the filters below to find and compare flights from Philadelphia to Sydney that are best for you.

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Price

Cheapest round-trip

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 10/21

10:05 am-8:20 am

3 stops31h 15m

Sydney Kingsford Smith

Wed 10/28

10:20 am-2:44 pm

3 stops43h 24m

$1,120

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 10/26

3:20 pm-8:35 am

2 stops26h 15m

Sydney Kingsford Smith

Mon 11/9

11:20 am-2:44 pm

2 stops43h 24m

$1,143

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 2/1

5:17 pm-8:50 pm

2 stops35h 33m

Sydney Kingsford Smith

Wed 2/10

11:20 am-8:35 pm

1 stop25h 15m

$1,162

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Tue 11/17

1:20 pm-9:35 am

3 stops28h 15m

Sydney Kingsford Smith

Tue 3/16

10:20 am-2:42 pm

2 stops43h 22m

$1,178

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Tue 11/3

1:20 pm-9:35 am

3 stops28h 15m

Sydney Kingsford Smith

Wed 11/11

11:20 am-2:44 pm

2 stops43h 24m

$1,178

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 2/17

2:14 pm-10:20 am

2 stops28h 06m

Sydney Kingsford Smith

Wed 2/24

2:05 pm-7:48 pm

1 stop21h 43m

$1,269
Quickest round-trip

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 10/19

5:35 pm-8:05 am

2 stops23h 30m

Sydney Kingsford Smith

Mon 10/26

11:15 am-6:44 pm

1 stop22h 29m

$1,448

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 11/1

9:45 am-9:20 am

2 stops31h 35m

Sydney Kingsford Smith

Tue 11/10

9:20 am-6:41 pm

1 stop25h 21m

$1,460

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 2/21

10:10 am-6:20 am

2 stops28h 10m

Sydney Kingsford Smith

Tue 3/2

11:50 am-4:58 pm

1 stop21h 08m

$1,460

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 9/28

4:56 pm-7:05 am

2 stops24h 09m

Sydney Kingsford Smith

Tue 10/13

10:10 am-8:38 pm

1 stop25h 28m

$1,461

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sydney from

How to get the cheapest flight ticket from Philadelphia to Sydney

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 Philadelphia and Sydney?

Prices are currently low for flights on this route.

Typical prices usually range from $1,255 to $1,554.
The lowest price recently found on this route was $1,120.

What is the cheapest month to fly to Sydney?

In general, February is the cheapest month to fly from Philadelphia to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,047. If you are unable to visit Sydney during the month of February, then departing from Philadelphia during the month March is also very affordable. Most momondo users find prices during this month for around $1,106.

How far in advance should I book a flight from Philadelphia to Sydney?

You are more likely to see cheaper flights to Sydney from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,421 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Philadelphia for as low as $957 on momondo.

Can stopping save me money on Philadelphia to Sydney flights?

You could potentially save up to 3% on your flight if you consider stops on a Philadelphia to Sydney flight.

How have Philadelphia to Sydney flight prices changed over time?

When to book flights from Philadelphia to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Philadelphia to Sydney (PHL to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Sydney

Best Price Found

$643

Fastest flight time

25h 05m

Direct flights

None
The best one-way flight to Sydney from Philadelphia in the past 72 hours is $643. The best round-trip flight deal from Philadelphia to Sydney found on momondo in the last 72 hours is $1,120.
The fastest flight from Philadelphia to Sydney takes 25h 05m
There are no direct flights from Philadelphia to Sydney. There are no popular flight routes from Philadelphia to Sydney.
Search flight deals

Frequently asked questions about flying from Philadelphia to Sydney

  • How far is Philadelphia to Sydney Kingsford Smith by plane?

    Philadelphia and Sydney Kingsford Smith are 9863.8 mi apart from one another. Flights usually cover this in 25h 05m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Philadelphia Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Philadelphia Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Philadelphia Airport to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Philadelphia Airport to Sydney Kingsford Smith Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Philadelphia to Sydney?

Best airlines flying from Philadelphia to Sydney

Compare and see reviews for airlines that fly from Philadelphia to Sydney with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $843Free CancellationRating
7.4
10,190 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $1,046Free CancellationRating
7.5
1,091 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,159Free CancellationRating
7.1
12,045 reviews
Search American Airlines flights
Air CanadaPriceFrom $1,210Free CancellationRating
7.1
11,603 reviews
Search Air Canada flights

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Bondi Beach
Wollongong
Penrith
Katoomba
Coogee
Cronulla
Leura
Randwick
Manly
Terrigal
Lithgow
Charlestown
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Sydney?

Finding the right flight to Sydney from Philadelphia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sydney quick and easy, saving you time and money.

Can I find flights from Philadelphia to Sydney with flexible booking policies on momondo?

Yes. All flights to Sydney from Philadelphia on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Philadelphia to Sydney?

Once you have performed a search for Philadelphia to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Philadelphia to Sydney right now. Can momondo alert me if prices change?

Price alerts on flights to Sydney from Philadelphia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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