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 updated daily.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for 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 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.

$2,017 Cheap Flights from Allentown to Sydney in 2025/26

1 adult

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Allentown to Sydney

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

11:30 - 07:00ABE-SYD

51h 30m2 stops

11:50 - 21:01SYD-ABE

25h 11m2 stops

$2,017United Airlines

Find Deal

Sat, 7 Feb - Sun, 22 Feb

12:49 - 06:50ABE-SYD

26h 01m2 stops

10:40 - 22:52SYD-ABE

28h 12m2 stops

$2,409Delta

Find Deal

Tue, 30 Dec - Sun, 11 Jan

06:10 - 08:30ABE-SYD

34h 20m2 stops

10:40 - 22:12SYD-ABE

27h 32m2 stops

$2,551Delta

Find Deal

Thu, 13 Nov - Mon, 17 Nov

06:25 - 08:30ABE-SYD

34h 05m2 stops

10:40 - 22:11SYD-ABE

27h 31m2 stops

$2,727Delta

Find Deal

Fri, 5 Dec - Fri, 12 Dec

06:30 - 09:15ABE-SYD

34h 45m2 stops

11:20 - 21:46SYD-ABE

26h 26m2 stops

$2,794United Airlines

Find Deal

Thu, 4 Dec - Thu, 11 Dec

13:00 - 07:00ABE-SYD

26h 00m2 stops

12:10 - 11:48SYD-ABE

39h 38m2 stops

$3,489United Airlines

Find Deal

Tue, 11 Nov - Fri, 21 Nov

14:00 - 08:30ABE-SYD

26h 30m2 stops

10:40 - 22:52SYD-ABE

28h 12m2 stops

$5,935Delta

Find Deal

Wed, 24 Dec - Fri, 9 Jan

12:56 - 08:30ABE-SYD

27h 34m2 stops

10:40 - 22:11SYD-ABE

27h 31m2 stops

$6,360Delta

Find Deal

Sat, 29 Nov - Wed, 10 Dec

12:56 - 08:30ABE-SYD

27h 34m2 stops

10:40 - 22:11SYD-ABE

27h 31m2 stops

$8,163Delta

Find Deal

Sat, 22 Nov - Fri, 5 Dec

13:48 - 06:55ABE-SYD

25h 07m2 stops

14:05 - 22:58SYD-ABE

24h 53m3 stops

$21,571American Airlines

Find Deal

Fri, 5 Dec - Fri, 12 Dec

Delta flights from Allentown to Sydney

Our best Delta deals on Allentown to Sydney flight tickets

Delta

30 Dec

ABE12:49Allentown-Bethlehem

26h 01m

2 stops

SYD06:50Sydney Kingsford Smith

11 Jan

SYD10:40Sydney Kingsford Smith

28h 12m

2 stops

ABE22:52Allentown-Bethlehem

$2,409

Find similar

Delta

13 Nov

ABE06:10Allentown-Bethlehem

34h 20m

2 stops

SYD08:30Sydney Kingsford Smith

17 Nov

SYD10:40Sydney Kingsford Smith

27h 32m

2 stops

ABE22:12Allentown-Bethlehem

$2,551

Find similar

Delta

5 Dec

ABE06:25Allentown-Bethlehem

34h 05m

2 stops

SYD08:30Sydney Kingsford Smith

12 Dec

SYD10:40Sydney Kingsford Smith

27h 31m

2 stops

ABE22:11Allentown-Bethlehem

$2,727

Find similar

United Airlines flights from Allentown to Sydney

Our best United Airlines deals on Allentown to Sydney flight tickets

United Airlines

7 Feb

ABE11:30Allentown-Bethlehem

51h 30m

2 stops

SYD07:00Sydney Kingsford Smith

22 Feb

SYD11:50Sydney Kingsford Smith

25h 11m

2 stops

ABE21:01Allentown-Bethlehem

$2,017

Find similar

United Airlines

4 Dec

ABE06:30Allentown-Bethlehem

34h 45m

2 stops

SYD09:15Sydney Kingsford Smith

11 Dec

SYD11:20Sydney Kingsford Smith

26h 26m

2 stops

ABE21:46Allentown-Bethlehem

$2,794

Find similar

United Airlines

11 Nov

ABE13:00Allentown-Bethlehem

26h 00m

2 stops

SYD07:00Sydney Kingsford Smith

21 Nov

SYD12:10Sydney Kingsford Smith

39h 38m

2 stops

ABE11:48Allentown-Bethlehem

$3,489

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sat 7/2

11:30-07:00

2 stops51h 30m

Sydney Kingsford Smith

Sun 22/2

11:50-21:01

2 stops25h 11m

$2,017

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Tue 30/12

12:49-06:50

2 stops26h 01m

Sydney Kingsford Smith

Sun 11/1

10:40-22:52

2 stops28h 12m

$2,409

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Thu 13/11

06:10-08:30

2 stops34h 20m

Sydney Kingsford Smith

Mon 17/11

10:40-22:12

2 stops27h 32m

$2,551

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Fri 5/12

06:25-08:30

2 stops34h 05m

Sydney Kingsford Smith

Fri 12/12

10:40-22:11

2 stops27h 31m

$2,727

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Thu 4/12

06:30-09:15

2 stops34h 45m

Sydney Kingsford Smith

Thu 11/12

11:20-21:46

2 stops26h 26m

$2,794

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Tue 11/11

13:00-07:00

2 stops26h 00m

Sydney Kingsford Smith

Fri 21/11

12:10-11:48

2 stops39h 38m

$3,489

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Wed 24/12

14:00-08:30

2 stops26h 30m

Sydney Kingsford Smith

Fri 9/1

10:40-22:52

2 stops28h 12m

$5,935

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sat 29/11

12:56-08:30

2 stops27h 34m

Sydney Kingsford Smith

Wed 10/12

10:40-22:11

2 stops27h 31m

$6,360

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sat 22/11

12:56-08:30

2 stops27h 34m

Sydney Kingsford Smith

Fri 5/12

10:40-22:11

2 stops27h 31m

$8,163

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Fri 5/12

13:48-06:55

2 stops25h 07m

Sydney Kingsford Smith

Fri 12/12

14:05-22:58

3 stops24h 53m

$21,571

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

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?

Delta and United Airlines are the most popular carriers operating from Allentown-Bethlehem to Sydney Kingsford Smith

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 return 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.

Search flight deals

How far is Allentown-Bethlehem to Sydney Kingsford Smith by plane?
Sydney Kingsford Smith is 15854.2 km away from Allentown-Bethlehem. Flights usually cover this in 25h 07m, depending on flying conditions and air traffic around both airports.
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 updated daily.
How old do you have to be to fly from Allentown-Bethlehem Airport to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for 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 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.

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Leura

Manly

Bondi Beach

Coogee

Randwick

Cronulla

Charlestown

Newport

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?

Flights from Allentown 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 Allentown to Sydney?

momondo helps you find the best flight between Allentown 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 Allentown to Sydney right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Allentown 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.