$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 30/9. 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
24 Aug — 31 Aug1
1 adult

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 19 August 2025.

Wed 15/1013:00ABE - SYD
2 stops27h 55mUnited Airlines
Wed 29/1011:50SYD - ABE
2 stops24h 51mUnited Airlines
Deal found 16/8$2,124
Sat 25/1017:28ABE - SYD
2 stops46h 32mUnited Airlines
Mon 3/1112:10SYD - ABE
2 stops25h 31mUnited Airlines
Deal found 16/8$2,149
Tue 14/1017:28ABE - SYD
2 stops47h 27mUnited Airlines
Mon 27/1011:50SYD - ABE
2 stops24h 51mUnited Airlines
Deal found 16/8$2,153
Wed 15/1013:00ABE - SYD
2 stops27h 55mUnited Airlines
Thu 30/1011:50SYD - ABE
2 stops24h 51mUnited Airlines
Deal found 16/8$2,181
Tue 14/1017:28ABE - SYD
2 stops47h 27mUnited Airlines
Fri 31/1012:10SYD - ABE
2 stops24h 31mUnited Airlines
Deal found 16/8$2,210
Sat 18/1017:28ABE - SYD
2 stops47h 32mUnited Airlines
Sat 25/1010:30SYD - ABE
2 stops26h 24mUnited Airlines
Deal found 16/8$2,230
Fri 17/1017:28ABE - SYD
2 stops47h 32mUnited Airlines
Tue 28/1010:20SYD - ABE
2 stops26h 21mUnited Airlines
Deal found 16/8$2,349
Fri 17/1017:28ABE - SYD
2 stops47h 32mUnited Airlines
Thu 30/1010:20SYD - ABE
2 stops26h 21mUnited Airlines
Deal found 16/8$2,406
Mon 13/1018:00ABE - SYD
2 stops46h 35mDelta
Mon 27/1009:40SYD - ABE
2 stops22h 40mDelta
Deal found 16/8$2,429
Mon 13/1006:00ABE - SYD
2 stops58h 35mDelta
Sun 26/1010:25SYD - ABE
2 stops45h 55mDelta
Deal found 16/8$2,458
Thu 2/1013:00ABE - SYD
2 stops28h 00mUnited Airlines
Thu 9/1010:30SYD - ABE
2 stops26h 24mUnited Airlines
Deal found 18/8$2,475
Tue 28/1014:43ABE - SYD
2 stops27h 17mAmerican Airlines
Fri 7/1111:15SYD - ABE
2 stops27h 37mAmerican Airlines
Deal found 16/8$2,478

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 19 August 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

Wed 15/10

13:00-07:55

2 stops27h 55m

Sydney Kingsford Smith

Sun 26/10

10:30-21:41

2 stops26h 11m

$2,124

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Wed 22/10

12:46-07:35

2 stops27h 49m

Sydney Kingsford Smith

Mon 3/11

10:40-17:20

2 stops22h 40m

$2,124

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Wed 15/10

06:30-07:55

2 stops34h 25m

Sydney Kingsford Smith

Mon 27/10

11:50-21:41

2 stops24h 51m

$2,124

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Tue 28/10

12:46-07:30

2 stops27h 44m

Sydney Kingsford Smith

Mon 3/11

10:40-22:15

2 stops27h 35m

$2,124

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Wed 15/10

13:00-07:55

2 stops27h 55m

Sydney Kingsford Smith

Tue 28/10

11:50-21:41

2 stops24h 51m

$2,124

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Tue 28/10

12:46-07:30

2 stops27h 44m

Sydney Kingsford Smith

Wed 5/11

10:40-22:15

2 stops27h 35m

$2,124

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Mon 15/9

12:48-06:35

2 stops27h 47m

Sydney Kingsford Smith

Tue 30/9

09:25-22:41

2 stops27h 16m

$2,124

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sun 26/10

12:46-07:30

2 stops27h 44m

Sydney Kingsford Smith

Mon 3/11

10:40-22:15

2 stops27h 35m

$2,124

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Sun 26/10

12:46-07:30

2 stops27h 44m

Sydney Kingsford Smith

Sun 2/11

10:40-23:15

2 stops27h 35m

$2,124

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Wed 22/10

12:46-07:35

2 stops27h 49m

Sydney Kingsford Smith

Wed 5/11

10:40-22:15

2 stops27h 35m

$2,124

Flights are sorted by cheapest return flights first.

Deals found on 19/8

Showing 1-10 of 14 results
1
2

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 $1,280). Flying from Allentown in January will prove the most costly (average of $1,480). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Direct flights from Pennsylvania

Book a direct flight from one of these other cities located in Pennsylvania.
Direct flights from Philadelphia
Direct flights from Pittsburgh

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 19 August 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 Sanford Intl Airport, Orlando. 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!

See more FAQs

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.