What is the cheapest airline that flies from Allentown-Bethlehem to Sydney Kingsford Smith?

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

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.

$1,206 Cheap Flights from Allentown to Sydney in 2026

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Find the cheapest flights from Allentown to Sydney

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One-way

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Cheap return flights

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06:15 - 06:55

ABE

SYD

34h 40m

2 stops

09:30 - 20:58

SYD

ABE

25h 28m

2 stops

$2,236United Airlines

Fri, 1 May - Fri, 8 May

06:15 - 06:55

ABE

SYD

34h 40m

2 stops

09:30 - 21:07

SYD

ABE

25h 37m

2 stops

$2,325United Airlines

Tue, 16 Jun - Mon, 6 Jul

10:38 - 06:55

ABE

SYD

30h 17m

2 stops

10:20 - 09:38

SYD

ABE

37h 18m

2 stops

$3,248United Airlines

Wed, 27 May - Sun, 31 May

06:15 - 07:00

ABE

SYD

34h 45m

2 stops

10:20 - 09:38

SYD

ABE

37h 18m

2 stops

$3,250United Airlines

Wed, 27 May - Sun, 31 May

14:25 - 06:55

ABE

SYD

26h 30m

2 stops

10:20 - 09:48

SYD

ABE

37h 28m

2 stops

$3,251United Airlines

Wed, 6 May - Sun, 10 May

United Airlines flights from Allentown to Sydney

Our best United Airlines deals on Allentown to Sydney flight tickets

United Airlines

16 June

ABE06:15Allentown-Bethlehem

34h 40m

2 stops

SYD06:55Sydney Kingsford Smith

6 July

SYD09:30Sydney Kingsford Smith

25h 37m

2 stops

ABE21:07Allentown-Bethlehem

$2,325

United Airlines

27 May

ABE10:38Allentown-Bethlehem

30h 17m

2 stops

SYD06:55Sydney Kingsford Smith

31 May

SYD10:20Sydney Kingsford Smith

37h 18m

2 stops

ABE09:38Allentown-Bethlehem

$3,248

United Airlines

27 May

ABE06:15Allentown-Bethlehem

34h 45m

2 stops

SYD07:00Sydney Kingsford Smith

31 May

SYD10:20Sydney Kingsford Smith

37h 18m

2 stops

ABE09:38Allentown-Bethlehem

$3,250

American Airlines flights from Allentown to Sydney

Our best American Airlines deals on Allentown to Sydney flight tickets

American Airlines

24 Mar

ABE12:45Allentown-Bethlehem

29h 15m

2 stops

SYD09:00Sydney Kingsford Smith

31 Mar

SYD21:25Sydney Kingsford Smith

29h 05m

2 stops

ABE11:30Allentown-Bethlehem

$4,150

American Airlines

24 Mar

ABE12:45Allentown-Bethlehem

27h 10m

2 stops

SYD06:55Sydney Kingsford Smith

31 Mar

SYD13:00Sydney Kingsford Smith

25h 31m

3 stops

ABE23:31Allentown-Bethlehem

$20,003

American Airlines

27 Mar

ABE12:00Allentown-Bethlehem

29h 05m

2 stops

SYD08:05Sydney Kingsford Smith

23 May

SYD09:10Sydney Kingsford Smith

28h 09m

2 stops

ABE23:19Allentown-Bethlehem

$30,810

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Fri 1/5

06:15-06:55

2 stops34h 40m

Sydney Kingsford Smith

Fri 8/5

09:30-20:58

2 stops25h 28m

$2,236

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Tue 16/6

06:15-06:55

2 stops34h 40m

Sydney Kingsford Smith

Mon 6/7

09:30-21:07

2 stops25h 37m

$2,325

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Wed 27/5

10:38-06:55

2 stops30h 17m

Sydney Kingsford Smith

Sun 31/5

10:20-09:38

2 stops37h 18m

$3,248

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Wed 27/5

06:15-07:00

2 stops34h 45m

Sydney Kingsford Smith

Sun 31/5

10:20-09:38

2 stops37h 18m

$3,250

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Wed 6/5

14:25-06:55

2 stops26h 30m

Sydney Kingsford Smith

Sun 10/5

10:20-09:48

2 stops37h 28m

$3,251

Cheapest one-way

Fastest single journey

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sun 26/7

13:00-06:50

2 stops27h 50m

$1,206

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sat 1/8

17:41-06:55

2 stops47h 14m

$1,246

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Thu 30/7

06:30-06:50

2 stops34h 20m

$1,298

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Wed 29/7

06:15-08:20

3 stops36h 05m

$1,567

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Tue 28/7

06:15-08:20

3 stops60h 05m

$1,607

Flights are sorted by cheapest return flights first.

Showing 1-10 of 11 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

Prices

Airlines

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Wednesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,965. The most expensive day to fly to Sydney is Sunday, with ticket prices averaging around $2,652.

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

Fastest flight time	29h 15m
Direct flights	None

The fastest flight from Allentown to Sydney takes 29h 15m

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 29h 15m, 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.

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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.