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$1,283+ Cheap flights from Lehigh Valley to Sydney (SYD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SYD
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Cheap 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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,569
(American Airlines)

One-way from

$1,507
(United Airlines)
Provider with most accurate pricing for Allentown-Bethlehem-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Allentown-Bethlehem-Sydney Kingsford Smith flights.
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From Lehigh Valley to Sydney Kingsford Smith
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One-way flight from Lehigh Valley to Sydney Kingsford Smith
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Find 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 November 6, 2025.

This Delta deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:56 pmABE - SYD
2 stops27h 34mDelta
Mon 11/1710:40 amSYD - ABE
2 stops27h 32mDelta
Deal found 11/4$1,318
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:00 amABE - SYD
2 stops34h 30mDelta
Mon 11/1010:40 amSYD - ABE
2 stops22h 39mDelta
Deal found 11/3$1,319
This Delta deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:25 amABE - SYD
2 stops34h 05mDelta
Sat 12/272:15 pmSYD - ABE
2 stops24h 31mDelta
Deal found 11/5$2,946
This Delta deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2112:49 pmABE - SYD
2 stops26h 01mDelta
Wed 12/3110:40 amSYD - ABE
2 stops28h 06mDelta
Deal found 11/4$6,377
This Delta deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/412:54 pmABE - SYD
2 stops27h 36mDelta
Fri 12/1210:40 amSYD - ABE
2 stops27h 31mDelta
Deal found 11/4$9,332
This American Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2011:50 amABE - SYD
2 stops27h 05mAmerican Airlines
Sat 12/277:05 amSYD - ABE
3 stops25h 28mAmerican Airlines
Deal found 11/5$14,185
This Delta deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/612:46 pmABE - SYD
2 stops27h 44mDelta
Thu 11/1310:40 amSYD - ABE
2 stops27h 32mDelta
Deal found 11/5$16,102

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lehigh Valley to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from Lehigh Valley to Sydney that are best for you.

Fly from

Lehigh Valley

Fly to

Sydney

Route

Depart

Return

Price

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sat 2/7

11:30 am-7:00 am

2 stops51h 30m

Sydney Kingsford Smith

Sun 2/22

11:50 am-9:58 am

2 stops38h 08m

$1,283

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sun 3/1

12:47 pm-8:30 am

2 stops27h 43m

Sydney Kingsford Smith

Sun 3/8

10:40 am-9:52 pm

2 stops27h 12m

$1,388

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sat 2/7

1:02 pm-9:00 am

2 stops27h 58m

Sydney Kingsford Smith

Sun 2/22

2:05 pm-12:28 am

2 stops26h 23m

$1,569

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sat 12/20

6:25 am-8:30 am

2 stops34h 05m

Sydney Kingsford Smith

Sat 12/27

2:15 pm-10:46 pm

2 stops24h 31m

$2,946

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sun 12/21

12:49 pm-6:50 am

2 stops26h 01m

Sydney Kingsford Smith

Wed 12/31

10:40 am-10:46 pm

2 stops28h 06m

$6,377

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Tue 2/10

12:47 pm-6:50 am

2 stops26h 03m

Sydney Kingsford Smith

Thu 3/12

1:15 pm-10:52 pm

2 stops24h 37m

$9,158

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Thu 12/4

12:54 pm-8:30 am

2 stops27h 36m

Sydney Kingsford Smith

Fri 12/12

10:40 am-10:11 pm

2 stops27h 31m

$9,332

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Fri 3/6

10:33 am-7:00 am

2 stops28h 27m

Sydney Kingsford Smith

Fri 3/13

10:20 am-9:47 pm

3 stops26h 27m

$9,479

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sat 12/20

11:50 am-6:55 am

2 stops27h 05m

Sydney Kingsford Smith

Sat 12/27

7:05 am-4:33 pm

3 stops25h 28m

$14,185

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sun 2/1

12:47 pm-6:50 am

2 stops26h 03m

Sydney Kingsford Smith

Wed 2/11

10:40 am-10:50 pm

2 stops28h 10m

$17,429

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 11 results
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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.

Cheapflights Insights

Everything you need to know about your flight from Lehigh Valley to Sydney
No data available for this route at this time. Please check back soon.

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?

    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, Delta, and American Airlines can get you from Lehigh Valley to Sydney in just under 27h 43m. Your travel time can differ by up to 23h 47m. There are 9857 mi between Lehigh Valley and Sydney. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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.

See more FAQs

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Manly
Coogee

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