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 52% 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.

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

Delta is the most popular carrier 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 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.

$1,568 Cheap Flights from Allentown to Sydney in 2025

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Find the cheapest flights from Allentown to Sydney

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Cheap round-trip flights

These are some of the best round-trip flight deals from Allentown to Sydney that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Allentown to Sydney.

Cheap last minute flights

Planning a quick getaway from Allentown to Sydney? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Sydney, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Allentown to Sydney

Find recent round-trip train or bus tickets from Allentown to Sydney.

All round-trip flight deals to Sydney

The cheapest plane tickets to Sydney found on KAYAK recently.

1:00 pm - 6:35 amABE-SYD

27h 35m2 stops

9:25 am - 11:25 pmSYD-ABE

28h 00m2 stops

$1,568Delta

Find Deal

Sun, Apr 20 - Fri, May 2

6:30 am - 6:35 amABE-SYD

34h 05m2 stops

9:25 am - 11:25 pmSYD-ABE

28h 00m2 stops

$1,618Delta

Find Deal

Sat, Apr 19 - Thu, May 1

6:20 am - 7:00 amABE-SYD

32h 40m2 stops

11:20 am - 9:24 pmSYD-ABE

26h 04m2 stops

$1,759United Airlines

Find Deal

Fri, Feb 21 - Fri, Feb 28

1:00 pm - 6:20 amABE-SYD

51h 20m2 stops

7:55 am - 11:25 pmSYD-ABE

53h 30m2 stops

$2,538

Find Deal

Mon, Apr 21 - Fri, May 2

5:40 pm - 6:20 amABE-SYD

46h 40m2 stops

7:55 am - 11:25 pmSYD-ABE

53h 30m2 stops

$2,547

Find Deal

Sun, Apr 20 - Sat, May 3

5:40 pm - 6:20 amABE-SYD

46h 40m2 stops

7:55 am - 11:25 pmSYD-ABE

29h 30m2 stops

$2,588

Find Deal

Sat, Apr 19 - Sat, May 3

6:30 am - 6:20 amABE-SYD

33h 50m2 stops

7:55 am - 11:25 pmSYD-ABE

29h 30m2 stops

$2,738

Find Deal

Mon, Apr 21 - Thu, May 1

5:40 pm - 6:20 amABE-SYD

46h 40m2 stops

7:55 am - 11:25 pmSYD-ABE

29h 30m2 stops

$2,747

Find Deal

Sun, Apr 20 - Thu, May 1

5:33 pm - 7:00 amABE-SYD

45h 27m2 stops

12:10 pm - 9:24 pmSYD-ABE

25h 14m2 stops

$4,061United Airlines

Find Deal

Sat, Feb 22 - Mon, Mar 3

6:15 am - 8:35 amABE-SYD

34h 20m2 stops

11:05 am - 10:39 pmSYD-ABE

27h 34m2 stops

$4,249Delta

Find Deal

Sat, Feb 22 - Tue, Mar 4

1:18 pm - 8:35 amABE-SYD

27h 17m2 stops

$2,747Delta

Find Deal

Mon, Feb 24

6:30 am - 9:15 amABE-SYD

34h 45m2 stops

12:10 pm - 9:21 pmSYD-ABE

25h 11m2 stops

$10,660United Airlines

Find Deal

Sun, Jan 12 - Tue, Jan 14

Delta flights from Allentown to Sydney

Our best Delta deals on Allentown to Sydney flight tickets

Delta

Apr 20

ABE1:00 pmAllentown-Bethlehem

27h 35m

2 stops

SYD6:35 amSydney Kingsford Smith

May 2

SYD9:25 amSydney Kingsford Smith

28h 00m

2 stops

ABE11:25 pmAllentown-Bethlehem

$1,568

Find similar

Delta

Apr 19

ABE6:30 amAllentown-Bethlehem

34h 05m

2 stops

SYD6:35 amSydney Kingsford Smith

May 1

SYD9:25 amSydney Kingsford Smith

28h 00m

2 stops

ABE11:25 pmAllentown-Bethlehem

$1,618

Find similar

Delta

Feb 22

ABE6:15 amAllentown-Bethlehem

34h 20m

2 stops

SYD8:35 amSydney Kingsford Smith

Mar 4

SYD11:05 amSydney Kingsford Smith

27h 34m

2 stops

ABE10:39 pmAllentown-Bethlehem

$4,249

Find similar

United Airlines flights from Allentown to Sydney

Our best United Airlines deals on Allentown to Sydney flight tickets

United Airlines

Feb 21

ABE6:20 amAllentown-Bethlehem

32h 40m

2 stops

SYD7:00 amSydney Kingsford Smith

Feb 28

SYD11:20 amSydney Kingsford Smith

26h 04m

2 stops

ABE9:24 pmAllentown-Bethlehem

$1,759

Find similar

United Airlines

Jan 9

ABE5:30 pmAllentown-Bethlehem

44h 50m

2 stops

SYD6:20 amSydney Kingsford Smith

Jan 16

SYD12:10 pmSydney Kingsford Smith

25h 11m

2 stops

ABE9:21 pmAllentown-Bethlehem

$2,611

Find similar

United Airlines

Feb 22

ABE5:33 pmAllentown-Bethlehem

45h 27m

2 stops

SYD7:00 amSydney Kingsford Smith

Mar 3

SYD12:10 pmSydney Kingsford Smith

25h 14m

2 stops

ABE9:24 pmAllentown-Bethlehem

$4,061

Find similar

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 time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the morning. momondo users have found flights departing from Allentown to Sydney in the morning for as low as $1,228. 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 morning, with an average ticket price of $1,228. Departure times in the morning 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

Best Price Found	$2,747
Fastest flight time	27h 17m
Direct flights	None
Airports in Sydney	1 airport

The best one-way flight to Sydney from Allentown in the past 72 hours is $2,747. The best round-trip flight deal from Allentown to Sydney found on momondo in the last 72 hours is $1,568.

The fastest flight from Allentown to Sydney takes 27h 17m

There are no direct flights from Allentown to Sydney. Popular non-direct route for this connection is Allentown-Bethlehem Airport - Sydney Kingsford Smith Airport.

There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

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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. 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.

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.