$295+ 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 21/2. 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
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Find flights from Allentown

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 18 September 2025.

Sat 7/213:39ABE - SYD
2 stops27h 21mAmerican Airlines
Sun 22/214:05SYD - ABE
2 stops26h 11mAmerican Airlines
Deal found 16/9$2,160
Tue 30/913:00ABE - SYD
2 stops27h 55mUnited Airlines
Tue 7/1010:30SYD - ABE
2 stops26h 24mUnited Airlines
Deal found 16/9$2,184
Thu 12/210:33ABE - SYD
2 stops28h 27mUnited Airlines
Fri 20/212:10SYD - ABE
2 stops25h 37mUnited Airlines
Deal found 17/9$2,341
Thu 13/1113:00ABE - SYD
2 stops28h 15mUnited Airlines
Mon 17/1111:20SYD - ABE
2 stops40h 28mUnited Airlines
Deal found 17/9$2,481
Sun 21/1206:17ABE - SYD
2 stops34h 48mUnited Airlines
Sun 28/1212:10SYD - ABE
2 stops44h 20mUnited Airlines
Deal found 17/9$3,627
Mon 22/1217:07ABE - SYD
2 stops45h 53mUnited Airlines
Sun 28/1211:50SYD - ABE
2 stops25h 57mUnited Airlines
Deal found 17/9$3,849
Thu 25/1206:00ABE - SYD
2 stops34h 30mDelta
Sun 28/1210:40SYD - ABE
2 stops22h 36mDelta
Deal found 17/9$3,873
Wed 24/1206:00ABE - SYD
2 stops58h 30mDelta
Sun 28/1210:40SYD - ABE
2 stops41h 30mDelta
Deal found 17/9$3,923
Mon 22/1217:07ABE - SYD
2 stops45h 13mUnited Airlines
Fri 26/1214:00SYD - ABE
2 stops23h 47mUnited Airlines
Deal found 17/9$3,924
Sat 20/1217:15ABE - SYD
2 stops47h 45mAmerican Airlines
Sun 28/1211:20SYD - ABE
2 stops28h 09mAmerican Airlines
Deal found 17/9$4,049

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 18 September 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

13:39-09:00

2 stops27h 21m

Sydney Kingsford Smith

Sun 22/2

14:05-00:16

2 stops26h 11m

$2,160

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Tue 30/9

13:00-06:55

2 stops27h 55m

Sydney Kingsford Smith

Tue 7/10

11:20-10:38

2 stops38h 18m

$2,184

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Thu 12/2

10:33-07:00

2 stops28h 27m

Sydney Kingsford Smith

Fri 20/2

12:10-21:47

2 stops25h 37m

$2,341

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Thu 13/11

13:00-09:05

2 stops28h 05m

Sydney Kingsford Smith

Mon 17/11

11:20-11:48

2 stops40h 28m

$2,512

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sun 21/12

06:17-09:05

2 stops34h 48m

Sydney Kingsford Smith

Sun 28/12

12:10-16:30

2 stops44h 20m

$3,627

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Tue 23/12

06:17-09:15

2 stops34h 58m

Sydney Kingsford Smith

Sun 28/12

11:20-21:47

2 stops26h 27m

$3,849

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Wed 24/12

06:00-08:30

2 stops58h 30m

Sydney Kingsford Smith

Sun 28/12

10:40-12:10

2 stops41h 30m

$3,923

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Mon 22/12

17:07-06:20

2 stops45h 13m

Sydney Kingsford Smith

Sat 27/12

14:00-21:47

2 stops23h 47m

$3,924

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Tue 2/12

12:54-08:30

2 stops27h 36m

$1,193

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sat 21/2

13:00-08:30

2 stops27h 30m

$10,409

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 11 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 $1,249). Flying from Allentown in January will prove the most costly (average of $1,443). 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 18 September 2025.

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

    For the current month, the most popular flights from Allentown are Myrtle Beach, Orlando, Nashville. Orlando, Myrtle Beach, Orlando Airport 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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