$303+ Cheap flights from Allentown

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ABE — SYD
6 Dec — 13 Dec1
1 adult
1 adult, Economy, 0 bags

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Cheapest flights from Allentown
Explore the most affordable flight options available from Allentown. Find the lowest fares based on data from user searches, with prices last updated on 6 November 2025.

Sat 7/211:30ABE - SYD
2 stops51h 30mUnited Airlines
Sun 22/211:50SYD - ABE
2 stops38h 08mUnited Airlines
Deal found 4/11$1,976
Sun 1/312:47ABE - SYD
2 stops27h 43mDelta
Sun 8/310:40SYD - ABE
2 stops27h 12mDelta
Deal found 4/11$2,138
Sat 20/1206:25ABE - SYD
2 stops34h 05mDelta
Sat 27/1214:15SYD - ABE
2 stops24h 31mDelta
Deal found 5/11$4,537
Sun 21/1212:49ABE - SYD
2 stops26h 01mDelta
Wed 31/1210:40SYD - ABE
2 stops28h 06mDelta
Deal found 4/11$9,822
Tue 10/212:47ABE - SYD
2 stops26h 03mDelta
Thu 12/313:15SYD - ABE
2 stops24h 37mDelta
Deal found 5/11$14,105
Thu 4/1212:54ABE - SYD
2 stops27h 36mDelta
Fri 12/1210:40SYD - ABE
2 stops27h 31mDelta
Deal found 4/11$14,373
Sat 20/1211:50ABE - SYD
2 stops27h 05mAmerican Airlines
Sat 27/1207:05SYD - ABE
3 stops25h 28mAmerican Airlines
Deal found 5/11$21,848
Sun 1/212:47ABE - SYD
2 stops26h 03mDelta
Wed 11/210:40SYD - ABE
2 stops28h 10mDelta
Deal found 3/11$26,844

Find flights from Allentown within your budget

 
Find flights departing from Allentown that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 6 November 2025. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sat 7/2

11:30-07:00

2 stops51h 30m

Sydney Kingsford Smith

Sun 22/2

11:50-09:58

2 stops38h 08m

$1,976

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sun 1/3

12:47-08:30

2 stops27h 43m

Sydney Kingsford Smith

Sun 8/3

10:40-21:52

2 stops27h 12m

$2,138

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sat 20/12

06:25-08:30

2 stops34h 05m

Sydney Kingsford Smith

Sat 27/12

14:15-22:46

2 stops24h 31m

$4,537

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sun 21/12

12:49-06:50

2 stops26h 01m

Sydney Kingsford Smith

Wed 31/12

10:40-22:46

2 stops28h 06m

$9,822

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Tue 10/2

12:47-06:50

2 stops26h 03m

Sydney Kingsford Smith

Thu 12/3

13:15-22:52

2 stops24h 37m

$14,105

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Thu 4/12

12:54-08:30

2 stops27h 36m

Sydney Kingsford Smith

Fri 12/12

10:40-22:11

2 stops27h 31m

$14,373

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sat 20/12

11:50-06:55

2 stops27h 05m

Sydney Kingsford Smith

Sat 27/12

07:05-16:33

3 stops25h 28m

$21,848

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sun 1/2

12:47-06:50

2 stops26h 03m

Sydney Kingsford Smith

Wed 11/2

10:40-22:50

2 stops28h 10m

$26,844

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Best time to book a flight from Allentown

Have a flexible travel schedule? Discover the best time to fly from Allentown with our price prediction graph.
Estimated return 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.

Travel insights for flights from Allentown

Get recent, data-driven insights about flights from Allentown including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Allentown?

Currently, February is the cheapest month in which you can book a flight from Allentown (average of $1,285). Flying from Allentown in January will prove the most costly (average of $1,462). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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Related info for your journey

Access useful and relevant information related to your journey from Allentown. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 6 November 2025.

  • What are the most popular destinations to fly to from Allentown?

    For the current month, the most popular flights from Allentown are Orlando Sanford Intl Airport, Orlando, Orlando Airport. Orlando Sanford Intl Airport, Orlando, Myrtle Beach are the most popular locations from Allentown year round.

  • What is the cheapest month to fly from Allentown?

    Currently, the cheapest month for flights from Allentown is February. The most expensive month for flights is January. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • How does Cheapflights help users find flights from Allentown?

    When you search for this flight from Allentown, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

  • Why should you use Cheapflights to find cheap flight tickets from Allentown?

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Allentown for you. Better yet — we are completely free to use.

  • Can Cheapflights find flights from Allentown with no change fees?

    Certainly. Search results for flights from Allentown shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

  • Can Cheapflights notify me if prices for flights from Allentown become cheaper?

    Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from Allentown today and book when you’re ready!

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Fly with Cheapflights

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How does Cheapflights help users find flights from Allentown?

When you search for this flight from Allentown, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

Why should you use Cheapflights to find cheap flight tickets from Allentown?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Allentown for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Allentown with no change fees?

Certainly. Search results for flights from Allentown shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Allentown become cheaper?

Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from Allentown today and book when you’re ready!

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