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Cheap flights from Allentown to Sydney from $2,159

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SYD
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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 17 September 2025.

Round-trip from

$2,159
American Airlines
  • American Airlines
  • 7/2-22/2
  • 4 total stops
  • 53h 32m total
  • Allentown to Sydney
Search Deals

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 17 September 2025.

Tue 30/913:00ABE - SYD
2 stops27h 55mUnited Airlines
Tue 7/1010:30SYD - ABE
2 stops26h 24mUnited Airlines
Deal found 16/9$2,183
Thu 30/1017:22ABE - SYD
2 stops24h 43mUnited Airlines
Thu 6/1111:50SYD - ABE
2 stops39h 58mUnited Airlines
Deal found 15/9$2,207
Sun 14/1206:30ABE - SYD
2 stops34h 35mUnited Airlines
Thu 1/114:00SYD - ABE
2 stops39h 55mUnited Airlines
Deal found 15/9$2,415
Thu 13/1113:00ABE - SYD
2 stops28h 05mUnited Airlines
Mon 17/1111:20SYD - ABE
2 stops40h 28mUnited Airlines
Deal found 14/9$2,511
Sun 14/1206:30ABE - SYD
2 stops31h 50mUnited Airlines
Tue 6/111:50SYD - ABE
2 stops38h 51mUnited Airlines
Deal found 15/9$2,700
Mon 15/1216:30ABE - SYD
2 stops24h 30mAmerican Airlines
Wed 7/111:15SYD - ABE
2 stops39h 39mAmerican Airlines
Deal found 15/9$2,730
Tue 16/1206:30ABE - SYD
2 stops34h 35mUnited Airlines
Wed 7/111:20SYD - ABE
2 stops25h 55mUnited Airlines
Deal found 15/9$2,865
Mon 15/1213:00ABE - SYD
2 stops52h 05mUnited Airlines
Thu 1/114:00SYD - ABE
2 stops39h 55mUnited Airlines
Deal found 15/9$2,902
Sun 14/1206:30ABE - SYD
2 stops31h 50mUnited Airlines
Fri 2/114:00SYD - ABE
2 stops39h 55mUnited Airlines
Deal found 15/9$2,917
Tue 16/1206:30ABE - SYD
2 stops34h 35mUnited Airlines
Mon 5/111:20SYD - ABE
2 stops39h 21mUnited Airlines
Deal found 15/9$3,150
Sun 14/1213:00ABE - SYD
2 stops50h 00mUnited Airlines
Sun 4/111:50SYD - ABE
2 stops42h 05mUnited Airlines
Deal found 15/9$3,181

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 17 September 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

Sat 7/2

13:39-09:00

2 stops27h 21m

Sydney Kingsford Smith

Sun 22/2

14:05-00:16

2 stops26h 11m

$2,159

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Tue 30/9

13:00-06:55

2 stops27h 55m

Sydney Kingsford Smith

Tue 7/10

10:30-21:54

2 stops26h 24m

$2,183

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sun 14/12

06:30-09:05

2 stops34h 35m

Sydney Kingsford Smith

Wed 7/1

11:20-21:15

2 stops25h 55m

$2,415

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Thu 13/11

13:00-09:05

2 stops28h 05m

Sydney Kingsford Smith

Mon 17/11

11:20-11:48

2 stops40h 28m

$2,511

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sun 14/12

06:30-06:20

2 stops31h 50m

Sydney Kingsford Smith

Tue 6/1

11:50-10:41

2 stops38h 51m

$2,700

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sun 14/12

06:30-06:20

2 stops31h 50m

Sydney Kingsford Smith

Mon 5/1

11:20-10:41

2 stops39h 21m

$2,700

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Tue 16/12

06:30-09:05

2 stops34h 35m

Sydney Kingsford Smith

Wed 7/1

11:20-21:15

2 stops25h 55m

$2,865

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Tue 16/12

06:30-09:05

2 stops34h 35m

Sydney Kingsford Smith

Thu 1/1

14:00-13:55

2 stops39h 55m

$2,865

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Mon 15/12

13:00-09:05

2 stops52h 05m

Sydney Kingsford Smith

Thu 1/1

14:00-13:55

2 stops39h 55m

$2,902

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sat 21/2

13:00-08:30

2 stops27h 30m

$10,405

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 11 results
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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 return 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, May is the cheapest month in which you can book a flight from Allentown to Sydney (average of $129). Flying from Allentown to Sydney in October is currently the most expensive (average of $171). 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?

    Departing from Allentown to Sydney will take you 27h 21m. The distance from Allentown to Sydney is about 15863 km. This flight may include one or multiple stops.

  • 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 holiday 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, May is the cheapest month in which you can book a flight from Allentown to Sydney (average of $129). Flying from Allentown to Sydney in October is currently the most expensive (average of $171). 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

Travelling to a place near Sydney?

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

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Why should you use Cheapflights to find cheap flight tickets from Allentown to Sydney?

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Can Cheapflights find flights from Allentown to Sydney with no change fees?

Yes, we can. To see specific flights from Allentown to Sydney with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Allentown to Sydney become cheaper?

Yes! Start tracking prices for Allentown to Sydney flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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