How long is the flight from Lehigh Valley to Sydney?

United Airlines can get you from Lehigh Valley to Sydney in just under 30h 39m. Your travel time can differ by up to . There are 9857 mi between Lehigh Valley and Sydney.

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

What is the cheapest time of day to fly from YGE to SYD?

When flying from Lehigh Valley to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Sydney from Lehigh Valley?

Most people fly into Sydney Kingsford Smith (SYD) if they book a flight to Sydney from Lehigh Valley. Kingsford Smith is conveniently located just 4.6 mi from Sydney’s city center.

Can I find deals for flights from Lehigh Valley to Sydney that include hotel bookings?

Yes. In addition to deals on Lehigh Valley to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Lehigh Valley to Sydney?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lehigh Valley to Sydney.

Can I find deals for business class flights from Lehigh Valley to Sydney?

Yes. Cheapflights offers flight deals from Lehigh Valley to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$773+ Flights from Lehigh Valley to Sydney

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Cheap flight deals from Lehigh Valley to Sydney

Cheapest flights from Lehigh Valley to Sydney
Explore the most affordable flight options available from Lehigh Valley to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

Sun 8/2311:50 am

ABE

SYD

2 stops29h 10m

United Airlines

Sat 9/510:20 am

SYD

ABE

2 stops24h 45m

United Airlines

Deal found 1/21

$1,570

Wed 2/186:28 am

ABE

SYD

2 stops31h 52m

United Airlines

Sun 2/2212:10 pm

SYD

ABE

2 stops24h 43m

United Airlines

Deal found 1/20

$2,220

Best flights from Lehigh Valley to Sydney
Discover carefully curated flight deals from Lehigh Valley to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 21, 2026.

Wed 2/1810:36 am

ABE

SYD

2 stops30h 39m

United Airlines

Sun 2/2211:50 am

SYD

ABE

2 stops25h 03m

United Airlines

Deal found 1/19

$2,220

Last-minute flights from Lehigh Valley to Sydney
Discover last-minute flight deals from Lehigh Valley to Sydney. Data last updated January 21, 2026 and is based on user searches.

Wed 2/186:28 am

ABE

SYD

2 stops31h 52m

United Airlines

Sun 2/2212:10 pm

SYD

ABE

2 stops24h 43m

United Airlines

Deal found 1/20

$2,220

One-way flights from Lehigh Valley to Sydney
Search for one-way flight options from Lehigh Valley to Sydney. Find affordable one-way fares based on user searches. Data last updated January 21, 2026.

Wed 2/412:48 pm

ABE

SYD

2 stops27h 42m

Delta

Deal found 1/20

$773

Thu 2/512:48 pm

ABE

SYD

2 stops26h 02m

Delta

Deal found 1/20

$843

Find flight deals from Lehigh Valley to Sydney

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 1 star
Round-trip from	$2,220 (United Airlines)
One-way from	$773 (Delta)

Provider with most accurate pricing for Allentown-Bethlehem-Sydney Kingsford Smith flight deals.

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Return

Price

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Wed 2/18

10:36 am-9:15 am

2 stops30h 39m

Sydney Kingsford Smith

Sun 2/22

11:50 am-8:53 pm

2 stops25h 03m

$2,220

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Mon 2/16

12:47 pm-8:30 am

2 stops27h 43m

$773

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Wed 2/4

12:48 pm-8:30 am

2 stops27h 42m

$773

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Mon 2/9

12:48 pm-8:30 am

2 stops27h 42m

$773

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Mon 3/2

12:47 pm-8:30 am

2 stops27h 43m

$773

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Tue 2/10

12:48 pm-8:30 am

2 stops27h 42m

$773

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sat 2/7

2:00 pm-8:30 am

2 stops26h 30m

$843

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Thu 2/5

12:48 pm-8:30 am

2 stops27h 42m

$843

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Fri 2/6

12:48 pm-8:30 am

2 stops27h 42m

$843

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Thu 2/12

12:47 pm-8:30 am

2 stops27h 43m

$843

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Best time to book a flight from Lehigh Valley to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Lehigh Valley with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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Everything you need to know about your flight from Lehigh Valley to Sydney

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Related info for your journey

What airport do you fly into for flights to Sydney from Lehigh Valley?
Most people fly into Sydney Kingsford Smith (SYD) if they book a flight to Sydney from Lehigh Valley. Kingsford Smith is conveniently located just 4.6 mi from Sydney’s city center.
How long is the flight from Lehigh Valley to Sydney?
United Airlines can get you from Lehigh Valley to Sydney in just under 30h 39m. Your travel time can differ by up to . There are 9857 mi between Lehigh Valley and Sydney.
Can I find deals for flights from Lehigh Valley to Sydney that include hotel bookings?
Yes. In addition to deals on Lehigh Valley to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Lehigh Valley to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lehigh Valley to Sydney.
Can I find deals for business class flights from Lehigh Valley to Sydney?
Yes. Cheapflights offers flight deals from Lehigh Valley to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$773+ Cheap flights from Lehigh Valley to Sydney (SYD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Lehigh Valley to Sydney with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Lehigh Valley to Sydney

Cheapest flights from Lehigh Valley to SydneyExplore the most affordable flight options available from Lehigh Valley to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

Explore the most affordable flight options available from Lehigh Valley to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

Find flight deals from Lehigh Valley to Sydney

Keep the following information in mind while searching for Lehigh Valley to Sydney flight deals. Data was last updated January 21, 2026.

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Most trusted provider

Round-trip from

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Use the filters below to find and compare flights from Lehigh Valley to Sydney that are best for you.

Best time to book a flight from Lehigh Valley to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Lehigh Valley with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Lehigh Valley to Sydney

Related info for your journey

Find useful and relevant information for your journey from Lehigh Valley to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Sydney from Lehigh Valley?

How long is the flight from Lehigh Valley to Sydney?

Can I find deals for flights from Lehigh Valley to Sydney that include hotel bookings?

How can I find direct flights from Lehigh Valley to Sydney?

Can I find deals for business class flights from Lehigh Valley to Sydney?

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Cheapest flights from Lehigh Valley to Sydney
Explore the most affordable flight options available from Lehigh Valley to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.