Cheap flights from Pennsylvania to Sydney from $1,082
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to Sydney departing on 17/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
PhiladelphiaSydney
PHL Philadelphia - SYD Sydney Kingsford Smith
PHLSYD
Philadelphia
Tue 16/2
20:45-18:20
1 stop29h 35m
Sydney Kingsford Smith
Tue 23/2
22:10-14:50
1 stop32h 40m
PhiladelphiaSydney
PHL Philadelphia - SYD Sydney Kingsford Smith
PHLSYD
Philadelphia
Mon 8/3
20:45-18:20
1 stop29h 35m
Sydney Kingsford Smith
Mon 15/3
22:10-15:50
1 stop32h 40m
PhiladelphiaSydney
PHL Philadelphia - SYD Sydney Kingsford Smith
PHLSYD
Philadelphia
Wed 31/3
21:30-18:05
1 stop29h 35m
Sydney Kingsford Smith
Thu 22/4
15:50-15:05
1 stop37h 15m
PhiladelphiaSydney
PHL Philadelphia - SYD Sydney Kingsford Smith
PHLSYD
Philadelphia
Wed 17/2
20:45-18:20
1 stop29h 35m
Sydney Kingsford Smith
Wed 24/2
22:10-14:50
1 stop32h 40m
PhiladelphiaSydney
PHL Philadelphia - SYD Sydney Kingsford Smith
PHLSYD
Philadelphia
Sun 28/2
20:45-18:20
1 stop29h 35m
Sydney Kingsford Smith
Mon 8/3
22:10-14:50
1 stop32h 40m
PhiladelphiaSydney
PHL Philadelphia - SYD Sydney Kingsford Smith
PHLSYD
Philadelphia
Wed 17/2
20:45-18:20
1 stop29h 35m
Sydney Kingsford Smith
Thu 25/2
22:10-14:50
1 stop32h 40m
PhiladelphiaSydney
PHL Philadelphia - SYD Sydney Kingsford Smith
PHLSYD
Philadelphia
Wed 28/10
15:57-18:00
2 stops35h 03m
Sydney Kingsford Smith
Wed 4/11
21:25-07:20
1 stop25h 55m
PhiladelphiaSydney
PHL Philadelphia - SYD Sydney Kingsford Smith
PHLSYD
Philadelphia
Wed 28/10
17:30-18:00
2 stops33h 30m
Sydney Kingsford Smith
Wed 4/11
14:05-18:58
1 stop20h 53m
PhiladelphiaSydney
PHL Philadelphia - SYD Sydney Kingsford Smith
PHLSYD
Philadelphia
Sun 8/11
13:47-10:20
2 stops28h 33m
Sydney Kingsford Smith
Wed 18/11
14:05-18:58
1 stop20h 53m
PhiladelphiaSydney
PHL Philadelphia - SYD Sydney Kingsford Smith
PHLSYD
Philadelphia
Sun 1/11
16:46-06:55
1 stop22h 09m
Sydney Kingsford Smith
Tue 10/11
06:05-20:14
2 stops30h 09m
See travel insights to Sydney from
How to get the cheapest flight ticket from Pennsylvania 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 cheapest month to fly to Sydney?
The month of February is, on average, the cheapest month to fly to Sydney from Pennsylvania, with most prices found around $1,582. If you aren’t able to travel to Sydney 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 $1,772.
How far in advance should I book a flight from Pennsylvania to Sydney?
You are more likely to see cheaper flights to Sydney from Pennsylvania when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,038 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Pennsylvania for as low as $1,645 on momondo.
Cheap Pennsylvania to Sydney flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Pennsylvania to Sydney
Frequently asked questions about flying from Pennsylvania to Sydney
When did momondo last update prices for flights from Pennsylvania to Sydney Kingsford Smith Airport?
Prices for flights from Pennsylvania to Sydney Kingsford Smith Airport were last updated today.
How many operators does momondo search for flights from Pennsylvania to Sydney Kingsford Smith Airport?
As of October 2026, there is 1 operator available to choose from for flights from Pennsylvania to Sydney Kingsford Smith Airport.
How old do you have to be to fly from Pennsylvania to Sydney Kingsford Smith Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Pennsylvania to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The necessary travel and health documents for your Sydney Kingsford Smith 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.
Best airlines flying from Pennsylvania to Sydney
Compare and see reviews for airlines that fly from Pennsylvania to Sydney with momondo
| Airline | Rating | Free cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $1,964 | Free cancellation | Rating 7.5 1,107 reviews |
Travelling to a place near Sydney?
Book flights to Sydney if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Pennsylvania to Sydney?
Finding the right flight to Sydney from Pennsylvania 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 Pennsylvania to Sydney with flexible booking policies on momondo?
Flights from Pennsylvania to Sydney 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 Pennsylvania to Sydney?
momondo helps you find the best flight between Pennsylvania and Sydney by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Pennsylvania to Sydney right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Pennsylvania to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.