$300+ 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 3/12. 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
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

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Enter your travel dates to find the best prices.

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 31 October 2025.

Sat 7/206:15ABE - SYD
2 stops56h 45mUnited Airlines
Sun 22/211:50SYD - ABE
2 stops38h 08mUnited Airlines
Deal found 30/10$1,955
Thu 13/1112:56ABE - SYD
2 stops27h 34mDelta
Mon 17/1110:40SYD - ABE
2 stops27h 32mDelta
Deal found 28/10$2,007
Thu 13/1113:00ABE - SYD
2 stops28h 15mUnited Airlines
Mon 17/1111:20SYD - ABE
2 stops25h 56mUnited Airlines
Deal found 29/10$2,121
Sun 14/1213:00ABE - SYD
2 stops28h 05mUnited Airlines
Sun 21/1211:50SYD - ABE
2 stops25h 57mUnited Airlines
Deal found 30/10$3,455
Sat 13/1217:22ABE - SYD
2 stops45h 38mUnited Airlines
Sat 20/1212:10SYD - ABE
2 stops25h 37mUnited Airlines
Deal found 29/10$3,492
Sat 13/1206:10ABE - SYD
2 stops32h 45mAmerican Airlines
Sat 20/1214:05SYD - ABE
3 stops25h 24mAmerican Airlines
Deal found 29/10$21,238

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 31 October 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

06:15-07:00

2 stops56h 45m

Sydney Kingsford Smith

Sun 22/2

11:50-09:58

2 stops38h 08m

$1,955

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Thu 13/11

12:56-08:30

2 stops27h 34m

Sydney Kingsford Smith

Mon 17/11

10:40-22:12

2 stops27h 32m

$2,007

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Thu 13/11

13:00-09:15

2 stops28h 15m

Sydney Kingsford Smith

Mon 17/11

11:20-21:16

2 stops25h 56m

$2,121

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sun 14/12

13:00-09:05

2 stops28h 05m

Sydney Kingsford Smith

Sun 21/12

11:50-21:47

2 stops25h 57m

$3,455

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sat 13/12

17:22-07:00

2 stops45h 38m

Sydney Kingsford Smith

Sat 20/12

12:10-21:47

2 stops25h 37m

$3,492

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sat 13/12

06:10-06:55

2 stops32h 45m

Sydney Kingsford Smith

Sat 20/12

14:05-23:29

3 stops25h 24m

$21,238

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Wed 24/12

17:07-09:05

2 stops47h 58m

$1,603

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Mon 22/12

17:07-06:20

2 stops69h 13m

$1,751

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Wed 24/12

14:58-14:40

3 stops55h 42m

$1,875

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sat 20/12

16:53-19:45

3 stops58h 52m

$1,902

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Showing 1-10 of 12 results
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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 $1,270). Flying from Allentown in January will prove the most costly (average of $1,459). 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 31 October 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, Myrtle Beach. 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

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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