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Cheap flights from Allentown to Sydney from $1,040

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 17/10. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SYD
23 Jul — 30 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Allentown to Sydney

Enter your travel dates to find the best prices.

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 23 June 2026.

Tue 4/806:16
ABE
-
SYD
2 stops34h 34m
Delta
Tue 11/809:15
SYD
-
ABE
2 stops27h 08m
Delta
Deal found 19/6$1,718
Fri 21/806:15
ABE
-
SYD
2 stops34h 40m
United Airlines
Wed 2/910:20
SYD
-
ABE
2 stops37h 37m
United Airlines
Deal found 23/6$1,789
Thu 6/806:15
ABE
-
SYD
2 stops34h 45m
United Airlines
Thu 13/810:20
SYD
-
ABE
2 stops37h 37m
United Airlines
Deal found 22/6$1,861
Sat 1/806:15
ABE
-
SYD
2 stops34h 45m
United Airlines
Sat 8/809:30
SYD
-
ABE
2 stops25h 37m
United Airlines
Deal found 21/6$2,379
Tue 25/810:32
ABE
-
SYD
2 stops30h 23m
United Airlines
Wed 2/910:20
SYD
-
ABE
2 stops37h 37m
United Airlines
Deal found 23/6$2,479
Wed 26/810:32
ABE
-
SYD
2 stops30h 28m
United Airlines
Wed 2/910:20
SYD
-
ABE
2 stops37h 37m
United Airlines
Deal found 23/6$2,572
Sun 23/818:01
ABE
-
SYD
2 stops46h 59m
United Airlines
Wed 2/910:20
SYD
-
ABE
2 stops37h 37m
United Airlines
Deal found 23/6$2,611
Mon 2/1110:37
ABE
-
SYD
2 stops28h 23m
United Airlines
Thu 5/1109:20
SYD
-
ABE
2 stops27h 37m
United Airlines
Deal found 22/6$3,432
Mon 19/1010:37
ABE
-
SYD
2 stops30h 18m
Air New Zealand
Mon 26/1010:20
SYD
-
ABE
2 stops25h 37m
Air New Zealand
Deal found 21/6$5,010
Thu 6/809:36
ABE
-
SYD
2 stops41h 34m
Multiple Airlines
Thu 13/819:00
SYD
-
ABE
3 stops41h 40m
Multiple Airlines
Deal found 22/6$5,265
Tue 4/806:01
ABE
-
SYD
2 stops45h 09m
Multiple Airlines
Tue 11/817:00
SYD
-
ABE
3 stops43h 40m
Multiple Airlines
Deal found 19/6$5,545

Find 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 23 June 2026.

Round-trip from

$1,718

One-way from

$1,040
Delta
  • Delta
  • 4/8-11/8
  • 4 total stops
  • 61h 42m total
  • Allentown to Sydney
Search Deals
United Airlines
  • United Airlines
  • 17/10
  • 2 total stops
  • 47h 14m total
  • Allentown to Sydney
Search Deals

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 23 June 2026.
Use the filters below to find and compare flights from Allentown to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Tue 4/8

06:16-06:50

2 stops34h 34m

Sydney Kingsford Smith

Tue 11/8

09:15-22:23

2 stops27h 08m

$1,718

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Fri 21/8

06:15-06:55

2 stops34h 40m

Sydney Kingsford Smith

Wed 2/9

10:20-09:57

2 stops37h 37m

$1,789

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Thu 6/8

06:15-07:00

2 stops34h 45m

Sydney Kingsford Smith

Thu 13/8

10:20-09:57

2 stops37h 37m

$1,861

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sat 1/8

06:15-07:00

2 stops34h 45m

Sydney Kingsford Smith

Sat 8/8

09:30-21:07

2 stops25h 37m

$2,379

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Tue 25/8

10:32-06:55

2 stops30h 23m

Sydney Kingsford Smith

Wed 2/9

10:20-09:57

2 stops37h 37m

$2,479

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Mon 2/11

10:37-07:00

2 stops28h 23m

Sydney Kingsford Smith

Thu 5/11

09:20-20:57

2 stops27h 37m

$3,432
Fastest return journey

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Mon 19/10

10:37-07:55

2 stops30h 18m

Sydney Kingsford Smith

Mon 26/10

10:20-20:57

2 stops25h 37m

$5,010

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Thu 6/8

09:36-17:10

2 stops41h 34m

Sydney Kingsford Smith

Thu 13/8

19:00-22:40

3 stops41h 40m

$5,265
Cheapest one-way

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sat 17/10

17:46-08:00

2 stops47h 14m

$1,040
Fastest single journey

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Fri 16/10

13:00-07:50

2 stops27h 50m

$1,092

Flights are sorted by cheapest return flights first.

Deals found on 22/6

Showing 1-10 of 12 resultsSorted by cheapest first
1
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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.

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 34h 34m. 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.

See more FAQs

Travelling to a place near Sydney?

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

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How does Cheapflights help users find flights from Allentown to Sydney?

Cheapflights helps you search for flights from Allentown to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to Sydney from Allentown by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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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