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$787+ Cheap flights from Allentown (ABE) to Sydney (SYD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SYD
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheap flight deals from Allentown to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Allentown (ABE) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated septiembre 11, 2025.

Round-trip from

$1,440
(American Airlines)

One-way from

$787
(American Airlines)
From Allentown-Bethlehem to Sydney Kingsford Smith
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One-way flight from Allentown-Bethlehem to Sydney Kingsford Smith
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Find flight deals from Allentown to Sydney

Cheapest flights from Allentown to Sydney
Explore the most affordable flight options available from Allentown to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/131:00 pmABE - SYD
2 stops28h 05mUnited Airlines
lun. 11/1711:20 amSYD - ABE
2 stops40h 28mUnited Airlines
Deal found 9/10$1,675

Cheapflights Fare Finder

 
Customize your flight search to find flights from Allentown to Sydney 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, Cheapflights users made 2,558,603 searches. Data last updated septiembre 11, 2025.
Use the filters below to find and compare flights from Allentown to Sydney that are best for you.

Fly from

Allentown

Fly to

Sydney

Route

Depart

Return

Price

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

sáb. 2/7

1:39 pm-9:00 am

2 stops27h 21m

Sydney Kingsford Smith

dom. 2/22

9:25 pm-10:47 am

2 stops29h 22m

$1,440

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

sáb. 2/7

11:30 am-6:20 am

2 stops26h 50m

Sydney Kingsford Smith

dom. 2/22

11:50 am-1:55 pm

2 stops42h 05m

$1,472

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

jue. 11/13

6:32 am-9:05 am

2 stops34h 33m

Sydney Kingsford Smith

lun. 11/17

11:20 am-11:48 am

2 stops40h 28m

$1,675

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

sáb. 2/7

1:39 pm-9:00 am

2 stops27h 21m

$787

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

jue. 9/25

1:00 pm-7:00 am

2 stops28h 00m

$895

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

vie. 2/6

1:00 pm-8:30 am

2 stops27h 30m

$11,869

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Best time to book a flight from Allentown to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Allentown with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Allentown to Sydney

What is the cheapest month to book a flight from Allentown to Sydney?

Currently, February is the cheapest month in which you can book a flight from Allentown to Sydney (average of $1,035). Flying from Allentown to Sydney in December is currently the most expensive (average of $1,626). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Allentown to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Allentown to Sydney?

    A quick flight from Allentown to Sydney can take about 26h 50m. American Airlines provides one of the quickest options available for as low as $1,472. Allentown and Sydney are separated by a distance of 9857 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Allentown to Sydney one-way?

    The cheapest airlines for a one-way flight from Allentown to Sydney are American Airlines ($787), United Airlines ($895), and Delta ($11,869).

  • Can I find deals for flights from Allentown to Sydney that include hotel bookings?

    Yes. In addition to deals on Allentown to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Allentown to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Allentown to Sydney.

  • Can I find deals for business class flights from Allentown to Sydney?

    Yes. Cheapflights offers flight deals from Allentown to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Allentown to Sydney?

    Currently, February is the cheapest month in which you can book a flight from Allentown to Sydney (average of $1,035). Flying from Allentown to Sydney in December is currently the most expensive (average of $1,626). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Manly
Coogee

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