How do I get Price Alerts for flights from Allentown to Sydney?

Search flight deals from Allentown to Sydney . While viewing offers you’ll have the option to create a Price Alert.

How can I save money on flights from Allentown to Sydney with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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.

$1,910 Cheap Flights from Allentown to Sydney in 2026

Find the cheapest flights from Allentown to Sydney

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

14:25 - 07:05ABE Allentown-Bethlehem-SYD Sydney Kingsford Smith

26h 40m2 stops Charlotte Douglas Los Angeles Los Angeles

13:00 - 23:25SYD Sydney Kingsford Smith-ABE Allentown-Bethlehem

25h 25m2 stops Dallas/Fort Worth Charlotte Douglas

$1,910American Airlines

Tue, 29 Sep - Tue, 6 Oct

06:30 - 08:30ABE Allentown-Bethlehem-SYD Sydney Kingsford Smith

34h 00m2 stops Atlanta Hartsfield-Jackson Los Angeles Los Angeles

10:40 - 22:27SYD Sydney Kingsford Smith-ABE Allentown-Bethlehem

27h 47m2 stops Los Angeles Los Angeles Atlanta Hartsfield-Jackson

$1,951Delta

Tue, 24 Nov - Thu, 3 Dec

17:43 - 07:00ABE Allentown-Bethlehem-SYD Sydney Kingsford Smith

46h 17m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

09:20 - 17:00SYD Sydney Kingsford Smith-ABE Allentown-Bethlehem

23h 40m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$1,973United Airlines

Sat, 24 Oct - Sat, 7 Nov

06:15 - 09:05ABE Allentown-Bethlehem-SYD Sydney Kingsford Smith

34h 50m2 stops Chicago O'Hare Intl Los Angeles Los Angeles

09:20 - 16:56SYD Sydney Kingsford Smith-ABE Allentown-Bethlehem

23h 36m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$2,022United Airlines

Thu, 26 Nov - Thu, 3 Dec

06:15 - 07:00ABE Allentown-Bethlehem-SYD Sydney Kingsford Smith

32h 45m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

11:50 - 10:06SYD Sydney Kingsford Smith-ABE Allentown-Bethlehem

37h 16m2 stops San Francisco Chicago O'Hare Intl

$2,248United Airlines

Wed, 11 Nov - Wed, 17 Mar

06:15 - 07:00ABE Allentown-Bethlehem-SYD Sydney Kingsford Smith

32h 45m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

10:20 - 10:06SYD Sydney Kingsford Smith-ABE Allentown-Bethlehem

38h 46m2 stops Los Angeles Los Angeles Chicago O'Hare Intl

$2,418United Airlines

Thu, 12 Nov - Thu, 18 Mar

05:37 - 06:50ABE Allentown-Bethlehem-SYD Sydney Kingsford Smith

57h 13m2 stops Chicago O'Hare Intl Doha Hamad Intl

15:50 - 22:24SYD Sydney Kingsford Smith-ABE Allentown-Bethlehem

46h 34m2 stops Doha Hamad Intl Chicago O'Hare Intl

$3,155Qatar Airways

Wed, 4 Nov - Sun, 8 Nov

05:37 - 06:50ABE Allentown-Bethlehem-SYD Sydney Kingsford Smith

57h 13m2 stops Chicago O'Hare Intl Doha Hamad Intl

15:50 - 22:24SYD Sydney Kingsford Smith-ABE Allentown-Bethlehem

46h 34m2 stops Doha Hamad Intl Chicago O'Hare Intl

$3,156Qatar Airways

Wed, 4 Nov - Sun, 8 Nov

09:13 - 17:10ABE Allentown-Bethlehem-SYD Sydney Kingsford Smith

41h 57m2 stops Chicago O'Hare Intl Doha Hamad Intl

17:00 - 22:12SYD Sydney Kingsford Smith-ABE Allentown-Bethlehem

44h 12m3 stops Brisbane Doha Hamad Intl Chicago O'Hare Intl

$3,288Multiple Airlines

Tue, 29 Sep - Tue, 6 Oct

05:37 - 19:20ABE Allentown-Bethlehem-SYD Sydney Kingsford Smith

45h 43m2 stops Chicago O'Hare Intl Doha Hamad Intl

18:30 - 22:59SYD Sydney Kingsford Smith-ABE Allentown-Bethlehem

44h 29m3 stops Brisbane Doha Hamad Intl Chicago O'Hare Intl

$3,334Multiple Airlines

Wed, 25 Nov - Thu, 3 Dec

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United Airlines flights from Allentown to Sydney

Our best United Airlines deals on Allentown to Sydney flight tickets

United Airlines

24 Oct

ABE17:43Allentown-Bethlehem

46h 17m

2 stops

SYD07:00Sydney Kingsford Smith

7 Nov

SYD09:20Sydney Kingsford Smith

23h 40m

2 stops

ABE17:00Allentown-Bethlehem

$1,973

United Airlines

26 Nov

ABE06:15Allentown-Bethlehem

34h 50m

2 stops

SYD09:05Sydney Kingsford Smith

3 Dec

SYD09:20Sydney Kingsford Smith

23h 36m

2 stops

ABE16:56Allentown-Bethlehem

$2,022

United Airlines

11 Nov

ABE06:15Allentown-Bethlehem

32h 45m

2 stops

SYD07:00Sydney Kingsford Smith

17 Mar

SYD11:50Sydney Kingsford Smith

37h 16m

2 stops

ABE10:06Allentown-Bethlehem

$2,248

Qatar Airways flights from Allentown to Sydney

Our best Qatar Airways deals on Allentown to Sydney flight tickets

Qatar Airways

4 Nov

ABE05:37Allentown-Bethlehem

57h 13m

2 stops

SYD06:50Sydney Kingsford Smith

8 Nov

SYD15:50Sydney Kingsford Smith

46h 34m

2 stops

ABE22:24Allentown-Bethlehem

$3,155

Qatar Airways

4 Nov

ABE05:37Allentown-Bethlehem

57h 13m

2 stops

SYD06:50Sydney Kingsford Smith

8 Nov

SYD15:50Sydney Kingsford Smith

46h 34m

2 stops

ABE22:24Allentown-Bethlehem

$3,156

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

AllentownSydney

ABE Allentown-Bethlehem - SYD Sydney Kingsford Smith

ABESYD

Allentown-Bethlehem

Tue 29/9

14:25-07:05

2 stops26h 40m

Sydney Kingsford Smith

Tue 6/10

13:00-23:25

2 stops25h 25m

$1,910

AllentownSydney

ABE Allentown-Bethlehem - SYD Sydney Kingsford Smith

ABESYD

Allentown-Bethlehem

Tue 24/11

06:30-08:30

2 stops34h 00m

Sydney Kingsford Smith

Thu 3/12

10:40-22:27

2 stops27h 47m

$1,951

AllentownSydney

ABE Allentown-Bethlehem - SYD Sydney Kingsford Smith

ABESYD

Allentown-Bethlehem

Sat 24/10

17:43-07:00

2 stops46h 17m

Sydney Kingsford Smith

Sat 7/11

09:20-17:00

2 stops23h 40m

$1,973

AllentownSydney

ABE Allentown-Bethlehem - SYD Sydney Kingsford Smith

ABESYD

Allentown-Bethlehem

Thu 26/11

06:15-09:05

2 stops34h 50m

Sydney Kingsford Smith

Thu 3/12

09:20-16:56

2 stops23h 36m

$2,022

AllentownSydney

ABE Allentown-Bethlehem - SYD Sydney Kingsford Smith

ABESYD

Allentown-Bethlehem

Wed 11/11

06:15-07:00

2 stops32h 45m

Sydney Kingsford Smith

Wed 17/3

11:50-10:06

2 stops37h 16m

$2,248

AllentownSydney

ABE Allentown-Bethlehem - SYD Sydney Kingsford Smith

ABESYD

Allentown-Bethlehem

Thu 12/11

06:15-07:00

2 stops32h 45m

Sydney Kingsford Smith

Thu 18/3

10:20-10:06

2 stops38h 46m

$2,418

AllentownSydney

ABE Allentown-Bethlehem - SYD Sydney Kingsford Smith

ABESYD

Allentown-Bethlehem

Wed 4/11

05:37-06:50

2 stops57h 13m

Sydney Kingsford Smith

Sun 8/11

15:50-22:24

2 stops46h 34m

$3,155

AllentownSydney

ABE Allentown-Bethlehem - SYD Sydney Kingsford Smith

ABESYD

Allentown-Bethlehem

Wed 4/11

05:37-06:50

2 stops57h 13m

Sydney Kingsford Smith

Sun 8/11

15:50-22:24

2 stops46h 34m

$3,156

AllentownSydney

ABE Allentown-Bethlehem - SYD Sydney Kingsford Smith

ABESYD

Allentown-Bethlehem

Tue 29/9

09:13-17:10

2 stops41h 57m

Sydney Kingsford Smith

Tue 6/10

17:00-22:12

3 stops44h 12m

$3,288

AllentownSydney

ABE Allentown-Bethlehem - SYD Sydney Kingsford Smith

ABESYD

Allentown-Bethlehem

Wed 25/11

05:37-19:20

2 stops45h 43m

Sydney Kingsford Smith

Thu 3/12

18:30-22:59

3 stops44h 29m

$3,334

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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	46h 17m
Direct flights	None

The fastest flight from Allentown to Sydney takes 46h 17m

There are no direct flights from Allentown to Sydney. There are no popular flight routes from Allentown to Sydney.

Search flight deals

Frequently asked questions about flying from Allentown to Sydney

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 46h 17m, 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.

Frequently asked questions about flying from Allentown to Sydney

How do I get Price Alerts for flights from Allentown to Sydney?
Search flight deals from Allentown to Sydney. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Allentown to Sydney with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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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.