What airlines fly to Sydney?

United Airlines, Air Canada and Qantas Airways 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 62% 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 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.

$1,218 Cheap Flights from Allentown to Sydney in 2025/26

1 adult

0 bags

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Find the cheapest flights from Allentown to Sydney

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5:26 pm - 9:05 am

ABE

SYD

24h 39m2 stops

9:30 am - 9:12 pm

SYD

ABE

25h 42m2 stops

$1,218United Airlines

Tue, Mar 24 - Tue, Apr 7

5:32 pm - 6:55 am

ABE

SYD

47h 23m2 stops

10:20 am - 9:05 pm

SYD

ABE

24h 45m2 stops

$1,285United Airlines

Sat, May 16 - Sat, May 30

6:28 am - 8:30 am

ABE

SYD

34h 02m2 stops

10:40 am - 10:50 pm

SYD

ABE

28h 10m2 stops

$1,318Delta

Fri, Jan 30 - Fri, Feb 6

1:00 pm - 6:35 am

ABE

SYD

27h 35m2 stops

9:15 am - 10:56 pm

SYD

ABE

27h 41m2 stops

$1,660Delta

Mon, May 4 - Sat, May 9

11:30 am - 7:00 am

ABE

SYD

27h 30m2 stops

11:50 am - 8:53 pm

SYD

ABE

25h 03m2 stops

$2,269United Airlines

Mon, Feb 9 - Fri, Feb 13

1:02 pm - 6:55 am

ABE

SYD

25h 53m2 stops

2:05 pm - 10:26 pm

SYD

ABE

24h 21m3 stops

$14,085American Airlines

Fri, Jan 30 - Fri, Feb 6

United Airlines flights from Allentown to Sydney

Our best United Airlines deals on Allentown to Sydney flight tickets

United Airlines

May 16

ABE5:32 pmAllentown-Bethlehem

47h 23m

2 stops

SYD6:55 amSydney Kingsford Smith

May 30

SYD10:20 amSydney Kingsford Smith

24h 45m

2 stops

ABE9:05 pmAllentown-Bethlehem

$1,285

Find similar

United Airlines

Feb 9

ABE6:15 amAllentown-Bethlehem

32h 45m

2 stops

SYD7:00 amSydney Kingsford Smith

Feb 13

SYD2:00 pmSydney Kingsford Smith

22h 53m

2 stops

ABE8:53 pmAllentown-Bethlehem

$2,269

Find similar

United Airlines

Dec 20

ABE5:07 pmAllentown-Bethlehem

45h 53m

2 stops

SYD7:00 amSydney Kingsford Smith

Dec 30

SYD11:50 amSydney Kingsford Smith

25h 57m

2 stops

ABE9:47 pmAllentown-Bethlehem

$5,156

Find similar

Delta flights from Allentown to Sydney

Our best Delta deals on Allentown to Sydney flight tickets

Delta

Mar 29

ABE6:25 amAllentown-Bethlehem

34h 10m

2 stops

SYD7:35 amSydney Kingsford Smith

Apr 6

SYD9:15 amSydney Kingsford Smith

40h 51m

2 stops

ABE12:06 pmAllentown-Bethlehem

$1,218

Find similar

Delta

Mar 28

ABE12:46 pmAllentown-Bethlehem

51h 49m

2 stops

SYD7:35 amSydney Kingsford Smith

Apr 6

SYD9:15 amSydney Kingsford Smith

40h 51m

2 stops

ABE12:06 pmAllentown-Bethlehem

$1,236

Find similar

Delta

Mar 28

ABE5:54 pmAllentown-Bethlehem

46h 41m

2 stops

SYD7:35 amSydney Kingsford Smith

Apr 5

SYD9:15 amSydney Kingsford Smith

51h 32m

2 stops

ABE10:47 pmAllentown-Bethlehem

$1,243

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Tue 3/24

5:26 pm-9:05 am

2 stops24h 39m

Sydney Kingsford Smith

Tue 4/7

9:30 am-9:12 pm

2 stops25h 42m

$1,218

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sat 5/16

5:32 pm-6:55 am

2 stops47h 23m

Sydney Kingsford Smith

Sat 5/30

10:20 am-9:05 pm

2 stops24h 45m

$1,285

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Fri 1/30

6:28 am-8:30 am

2 stops34h 02m

Sydney Kingsford Smith

Fri 2/6

10:40 am-10:50 pm

2 stops28h 10m

$1,318

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Mon 5/4

1:00 pm-6:35 am

2 stops27h 35m

Sydney Kingsford Smith

Sat 5/9

9:15 am-10:56 pm

2 stops27h 41m

$1,660

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Mon 2/9

11:30 am-7:00 am

2 stops27h 30m

Sydney Kingsford Smith

Fri 2/13

11:50 am-8:53 pm

2 stops25h 03m

$2,269

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Fri 1/30

1:02 pm-6:55 am

2 stops25h 53m

Sydney Kingsford Smith

Fri 2/6

2:05 pm-10:26 pm

3 stops24h 21m

$14,085

Flights are sorted by cheapest round-trip 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

Prices

Airlines

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

The cheapest day to depart from Allentown to Sydney is on a Sunday when prices can be found for as low as $1,461. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,930.

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 noon. momondo users have found flights departing from Allentown to Sydney at noon for as low as $1,479. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the afternoon, with an average ticket price of $1,833. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

Fastest flight time	27h 35m
Direct flights	None

The fastest flight from Allentown to Sydney takes 27h 35m

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?
There are 9851.4 mi between Allentown-Bethlehem and Sydney Kingsford Smith. 27h 35m 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.

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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?

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.