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.

$1,835 Cheap Flights from Allentown to Sydney in 2025/26

1 adult

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Find the cheapest flights from Allentown to Sydney

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06:25 - 07:35

ABE

SYD

34h 10m2 stops

09:15 - 12:06

SYD

ABE

40h 51m2 stops

$1,835Delta

Sun, 29 Mar - Mon, 6 Apr

12:46 - 07:35

ABE

SYD

51h 49m2 stops

09:15 - 12:06

SYD

ABE

40h 51m2 stops

$1,862Delta

Sat, 28 Mar - Mon, 6 Apr

17:54 - 07:35

ABE

SYD

46h 41m2 stops

09:15 - 22:47

SYD

ABE

51h 32m2 stops

$1,873Delta

Sat, 28 Mar - Sun, 5 Apr

06:25 - 07:30

ABE

SYD

34h 05m2 stops

09:15 - 12:06

SYD

ABE

40h 51m2 stops

$1,911Delta

Thu, 26 Mar - Mon, 6 Apr

17:32 - 06:55

ABE

SYD

47h 23m2 stops

10:20 - 21:05

SYD

ABE

24h 45m2 stops

$1,936United Airlines

Sat, 16 May - Sat, 30 May

06:25 - 07:30

ABE

SYD

34h 05m2 stops

09:15 - 17:14

SYD

ABE

45h 59m2 stops

$1,938Delta

Thu, 26 Mar - Sun, 5 Apr

12:46 - 07:30

ABE

SYD

27h 44m2 stops

10:15 - 12:06

SYD

ABE

40h 51m2 stops

$1,986Delta

Thu, 26 Mar - Thu, 2 Apr

12:46 - 07:30

ABE

SYD

27h 44m2 stops

10:15 - 12:06

SYD

ABE

40h 51m2 stops

$2,221Delta

Thu, 26 Mar - Sat, 4 Apr

12:46 - 07:35

ABE

SYD

27h 49m2 stops

09:15 - 12:06

SYD

ABE

40h 51m2 stops

$2,396Delta

Mon, 30 Mar - Sun, 5 Apr

12:46 - 07:35

ABE

SYD

27h 49m2 stops

10:15 - 12:06

SYD

ABE

40h 51m2 stops

$2,424Delta

Sat, 28 Mar - Sat, 4 Apr

United Airlines flights from Allentown to Sydney

Our best United Airlines deals on Allentown to Sydney flight tickets

United Airlines

16 May

ABE17:32Allentown-Bethlehem

47h 23m

2 stops

SYD06:55Sydney Kingsford Smith

30 May

SYD10:20Sydney Kingsford Smith

24h 45m

2 stops

ABE21:05Allentown-Bethlehem

$1,936

Find similar

United Airlines

9 Feb

ABE11:30Allentown-Bethlehem

27h 30m

2 stops

SYD07:00Sydney Kingsford Smith

13 Feb

SYD11:50Sydney Kingsford Smith

25h 03m

2 stops

ABE20:53Allentown-Bethlehem

$3,419

Find similar

United Airlines

20 Dec

ABE17:07Allentown-Bethlehem

45h 53m

2 stops

SYD07:00Sydney Kingsford Smith

30 Dec

SYD11:50Sydney Kingsford Smith

25h 57m

2 stops

ABE21:47Allentown-Bethlehem

$7,769

Find similar

Delta flights from Allentown to Sydney

Our best Delta deals on Allentown to Sydney flight tickets

Delta

29 Mar

ABE06:25Allentown-Bethlehem

34h 10m

2 stops

SYD07:35Sydney Kingsford Smith

6 Apr

SYD09:15Sydney Kingsford Smith

40h 51m

2 stops

ABE12:06Allentown-Bethlehem

$1,835

Find similar

Delta

28 Mar

ABE12:46Allentown-Bethlehem

51h 49m

2 stops

SYD07:35Sydney Kingsford Smith

6 Apr

SYD09:15Sydney Kingsford Smith

40h 51m

2 stops

ABE12:06Allentown-Bethlehem

$1,862

Find similar

Delta

28 Mar

ABE17:54Allentown-Bethlehem

46h 41m

2 stops

SYD07:35Sydney Kingsford Smith

5 Apr

SYD09:15Sydney Kingsford Smith

51h 32m

2 stops

ABE22:47Allentown-Bethlehem

$1,873

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sun 29/3

06:25-07:35

2 stops34h 10m

Sydney Kingsford Smith

Mon 6/4

09:15-12:06

2 stops40h 51m

$1,835

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sat 28/3

12:46-07:35

2 stops51h 49m

Sydney Kingsford Smith

Mon 6/4

09:15-12:06

2 stops40h 51m

$1,862

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sat 28/3

17:54-07:35

2 stops46h 41m

Sydney Kingsford Smith

Sun 5/4

09:15-22:47

2 stops51h 32m

$1,873

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Thu 26/3

06:25-07:30

2 stops34h 05m

Sydney Kingsford Smith

Mon 6/4

09:15-12:06

2 stops40h 51m

$1,911

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sat 16/5

17:32-06:55

2 stops47h 23m

Sydney Kingsford Smith

Sat 30/5

10:20-21:05

2 stops24h 45m

$1,936

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Thu 26/3

06:25-07:30

2 stops34h 05m

Sydney Kingsford Smith

Sun 5/4

09:15-17:14

2 stops45h 59m

$1,938

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Thu 26/3

12:46-07:30

2 stops27h 44m

Sydney Kingsford Smith

Thu 2/4

10:15-12:06

2 stops40h 51m

$1,986

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Thu 26/3

12:46-07:30

2 stops27h 44m

Sydney Kingsford Smith

Sat 4/4

10:15-12:06

2 stops40h 51m

$2,221

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Mon 30/3

12:46-07:35

2 stops27h 49m

Sydney Kingsford Smith

Sun 5/4

09:15-12:06

2 stops40h 51m

$2,396

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sat 28/3

12:46-07:35

2 stops27h 49m

Sydney Kingsford Smith

Sat 4/4

10:15-12:06

2 stops40h 51m

$2,424

Flights are sorted by cheapest return flights first.

Sorted 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 day to depart on your flight to Sydney?

Our data shows that Tuesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,914. The most expensive day to fly to Sydney is Sunday, with ticket prices averaging around $2,807.

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

According to our data, the cheapest time of day to fly to Sydney is at midday. momondo users have found flights departing from Allentown to Sydney at midday for as low as $2,534. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $2,667 on average. Flights to Sydney from Allentown in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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	24h 39m
Direct flights	None

The fastest flight from Allentown to Sydney takes 24h 39m

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 24h 39m, 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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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.