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Cheap flights from Allentown to Sydney from $1,295

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Allentown to Sydney departing on 2/11. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:15 am - 9:15 amABE-SYD
35h 00m2 stops
United Airlines Logo
11:50 am - 9:01 pmSYD-ABE
25h 11m2 stops
$1,295United Airlines
Find Deal
Wed, Feb 11 - Tue, Mar 3
United Airlines Logo
6:15 am - 7:00 amABE-SYD
56h 45m2 stops
United Airlines Logo
11:50 am - 9:01 pmSYD-ABE
25h 11m2 stops
$1,310United Airlines
Find Deal
Sat, Feb 7 - Sun, Feb 22
Delta Logo
12:56 pm - 8:30 amABE-SYD
27h 34m2 stops
Delta Logo
10:40 am - 10:11 pmSYD-ABE
27h 31m2 stops
$1,345Delta
Find Deal
Sat, Nov 22 - Sun, Dec 7
United Airlines Logo
11:30 am - 6:20 amABE-SYD
26h 50m2 stops
United Airlines Logo
12:10 pm - 9:01 pmSYD-ABE
24h 51m3 stops
$1,445United Airlines
Find Deal
Wed, Feb 11 - Tue, Mar 3
Delta Logo
12:49 pm - 6:50 amABE-SYD
26h 01m2 stops
Delta Logo
10:40 am - 10:52 pmSYD-ABE
28h 12m2 stops
$1,565Delta
Find Deal
Tue, Dec 30 - Sun, Jan 11
Delta Logo
12:56 pm - 8:30 amABE-SYD
27h 34m2 stops
Delta Logo
10:40 am - 10:12 pmSYD-ABE
27h 32m2 stops
$1,657Delta
Find Deal
Thu, Nov 13 - Mon, Nov 17
Delta Logo
6:25 am - 8:30 amABE-SYD
34h 05m2 stops
Delta Logo
10:40 am - 10:11 pmSYD-ABE
27h 31m2 stops
$1,727Delta
Find Deal
Fri, Dec 5 - Fri, Dec 12
Delta Logo
6:25 am - 8:30 amABE-SYD
34h 05m2 stops
Delta Logo
10:40 am - 10:11 pmSYD-ABE
27h 31m2 stops
$1,771Delta
Find Deal
Fri, Dec 5 - Fri, Dec 12
United Airlines Logo
1:00 pm - 7:00 amABE-SYD
26h 00m2 stops
United Airlines Logo
12:10 pm - 11:48 amSYD-ABE
39h 38m2 stops
$2,266United Airlines
Find Deal
Tue, Nov 11 - Fri, Nov 21
American Airlines Logo
1:48 pm - 6:55 amABE-SYD
25h 07m2 stops
American Airlines Logo
2:05 pm - 10:58 pmSYD-ABE
24h 53m3 stops
$14,011American Airlines
Find Deal
Fri, Dec 5 - Fri, Dec 12

Delta flights from Allentown to Sydney

Our best Delta deals on Allentown to Sydney flight tickets
Delta
Nov 22
ABE12:56 pmAllentown-Bethlehem
27h 34m
2 stops
SYD8:30 amSydney Kingsford Smith
Dec 7
SYD10:40 amSydney Kingsford Smith
27h 31m
2 stops
ABE10:11 pmAllentown-Bethlehem
$1,345
Find similar
Delta
Nov 1
ABE6:00 amAllentown-Bethlehem
34h 30m
2 stops
SYD7:30 amSydney Kingsford Smith
Nov 15
SYD10:40 amSydney Kingsford Smith
27h 32m
2 stops
ABE10:12 pmAllentown-Bethlehem
$1,395
Find similar
Delta
Dec 30
ABE12:49 pmAllentown-Bethlehem
26h 01m
2 stops
SYD6:50 amSydney Kingsford Smith
Jan 11
SYD10:40 amSydney Kingsford Smith
28h 12m
2 stops
ABE10:52 pmAllentown-Bethlehem
$1,565
Find similar

United Airlines flights from Allentown to Sydney

Our best United Airlines deals on Allentown to Sydney flight tickets
United Airlines
Feb 11
ABE6:15 amAllentown-Bethlehem
35h 00m
2 stops
SYD9:15 amSydney Kingsford Smith
Mar 3
SYD11:50 amSydney Kingsford Smith
25h 11m
2 stops
ABE9:01 pmAllentown-Bethlehem
$1,295
Find similar
United Airlines
Feb 7
ABE6:15 amAllentown-Bethlehem
56h 45m
2 stops
SYD7:00 amSydney Kingsford Smith
Feb 22
SYD11:50 amSydney Kingsford Smith
25h 11m
2 stops
ABE9:01 pmAllentown-Bethlehem
$1,310
Find similar
United Airlines
Feb 11
ABE11:30 amAllentown-Bethlehem
26h 50m
2 stops
SYD6:20 amSydney Kingsford Smith
Mar 3
SYD12:10 pmSydney Kingsford Smith
24h 51m
3 stops
ABE9:01 pmAllentown-Bethlehem
$1,445
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated October 23, 2025.
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

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Wed 2/11

6:15 am-9:15 am

2 stops35h 00m

Sydney Kingsford Smith

Tue 3/3

11:50 am-9:01 pm

2 stops25h 11m

$1,295

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sat 2/7

6:15 am-7:00 am

2 stops56h 45m

Sydney Kingsford Smith

Sun 2/22

11:50 am-9:01 pm

2 stops25h 11m

$1,310

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sat 11/22

12:56 pm-8:30 am

2 stops27h 34m

Sydney Kingsford Smith

Sun 12/7

10:40 am-10:11 pm

2 stops27h 31m

$1,345

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Wed 2/11

11:30 am-6:20 am

2 stops26h 50m

Sydney Kingsford Smith

Tue 3/3

12:10 pm-9:01 pm

3 stops24h 51m

$1,445

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Tue 12/30

12:49 pm-6:50 am

2 stops26h 01m

Sydney Kingsford Smith

Sun 1/11

10:40 am-10:52 pm

2 stops28h 12m

$1,565

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Thu 11/13

12:56 pm-8:30 am

2 stops27h 34m

Sydney Kingsford Smith

Mon 11/17

10:40 am-10:12 pm

2 stops27h 32m

$1,657

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Fri 12/5

6:25 am-8:30 am

2 stops34h 05m

Sydney Kingsford Smith

Fri 12/12

10:40 am-10:11 pm

2 stops27h 31m

$1,727

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Fri 12/5

6:25 am-8:30 am

2 stops34h 05m

Sydney Kingsford Smith

Fri 12/12

10:40 am-10:11 pm

2 stops27h 31m

$1,771

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Tue 11/11

1:00 pm-7:00 am

2 stops26h 00m

Sydney Kingsford Smith

Fri 11/21

12:10 pm-11:48 am

2 stops39h 38m

$2,266

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Fri 12/5

1:48 pm-6:55 am

2 stops25h 07m

Sydney Kingsford Smith

Fri 12/12

2:05 pm-10:58 pm

3 stops24h 53m

$14,011

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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See travel insights to Sydney from

How to get the cheapest flight ticket from Allentown 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 airline that flies from Allentown-Bethlehem to Sydney Kingsford Smith?

United Airlines is the most popular carrier operating from Allentown-Bethlehem to Sydney Kingsford Smith

What airlines fly to Sydney?

United Airlines, Air Canada and American Airlines are the top three most popular airlines that fly to Sydney from Allentown according to our data. United Airlines is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 7 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

When to book flights from Allentown to Sydney

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

Cheap Allentown to Sydney (ABE to SYD) flight deals and tips

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

Direct flights

None
There are no direct flights from Allentown to Sydney. There are no popular flight routes from Allentown to Sydney.
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  • How far is Allentown-Bethlehem to Sydney Kingsford Smith by plane?

    There are 9851.4 mi between Allentown-Bethlehem and Sydney Kingsford Smith. 25h 07m is a normal flight duration for this route.

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

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

  • How old do you have to be to fly from Allentown-Bethlehem Airport to Sydney Kingsford Smith Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Allentown-Bethlehem Airport 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 license 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.

Traveling to a place near Sydney?

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

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Allentown to Sydney. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Sydney from Allentown which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Allentown to Sydney.

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

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from Allentown and alert you when they change.

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