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£122+ Cheap flights from Allentown

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/1. 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 — LHR
21 Feb — 28 Feb1
1 adult
1 adult, Economy, 0 bags

Find flights from Allentown

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 22 January 2026.

Sat 14/214:55
ABE
-
ORD
Nonstop2h 32m
United Airlines
Wed 18/207:00
ORD
-
ABE
Nonstop2h 01m
United Airlines
Deal found 19/1£156
Wed 18/217:58
ABE
-
ORD
1 stop6h 58m
Delta
Wed 25/205:25
ORD
-
ABE
1 stop5h 40m
Delta
Deal found 21/1£170
Wed 25/306:32
ABE
-
ORD
2 stops11h 11m
Delta
Tue 31/313:57
ORD
-
ABE
2 stops7h 59m
Delta
Deal found 21/1£179
Thu 19/210:36
ABE
-
ORD
Nonstop2h 34m
United Airlines
Thu 26/207:00
ORD
-
ABE
Nonstop2h 01m
United Airlines
Deal found 20/1£179
Tue 5/506:15
ABE
-
ORD
Nonstop2h 25m
United Airlines
Sun 10/507:00
ORD
-
ABE
Nonstop2h 00m
United Airlines
Deal found 21/1£182
Wed 4/211:30
ABE
-
ORD
Nonstop2h 43m
United Airlines
Sat 7/207:30
ORD
-
ABE
Nonstop2h 11m
United Airlines
Deal found 21/1£185
Thu 12/210:36
ABE
-
ORD
Nonstop2h 34m
United Airlines
Mon 16/207:00
ORD
-
ABE
Nonstop2h 01m
United Airlines
Deal found 20/1£188
Wed 25/306:32
ABE
-
ORD
2 stops11h 11m
Delta
Wed 1/409:40
ORD
-
ABE
1 stop6h 37m
Delta
Deal found 21/1£189
Wed 25/206:28
ABE
-
ORD
2 stops11h 13m
Delta
Wed 4/306:30
ORD
-
ABE
2 stops9h 42m
Delta
Deal found 21/1£194
Sat 6/617:32
ABE
-
ORD
Nonstop2h 14m
United Airlines
Sun 14/610:44
ORD
-
ABE
Nonstop2h 11m
United Airlines
Deal found 19/1£196
Wed 4/217:59
ABE
-
ORD
1 stop6h 57m
Delta
Sat 7/205:30
ORD
-
ABE
1 stop6h 31m
Delta
Deal found 20/1£200
Sat 30/517:32
ABE
-
MCO
1 stop6h 13m
United Airlines
Wed 3/607:10
MCO
-
ABE
1 stop6h 45m
United Airlines
Deal found 20/1£200

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 22 January 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Fri 20/2

17:23-18:55

Nonstop2h 32m

Chicago O'Hare Intl

Mon 23/2

07:00-10:01

Nonstop2h 01m

£156

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Sat 14/2

14:55-16:27

Nonstop2h 32m

Chicago O'Hare Intl

Wed 18/2

07:00-10:01

Nonstop2h 01m

£156

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Sat 14/2

14:55-16:27

Nonstop2h 32m

Chicago O'Hare Intl

Tue 17/2

07:00-10:01

Nonstop2h 01m

£156

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Thu 19/2

12:47-16:49

1 stop5h 02m

Chicago O'Hare Intl

Thu 26/2

05:25-12:05

1 stop5h 40m

£170

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Wed 22/4

12:47-20:16

1 stop8h 29m

Chicago O'Hare Intl

Sat 25/4

09:45-17:19

1 stop6h 34m

£170

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Sat 7/3

18:30-19:59

Nonstop2h 29m

Chicago O'Hare Intl

Sat 14/3

07:00-09:56

Nonstop1h 56m

£179

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Sat 14/2

14:00-19:19

1 stop6h 19m

Chicago O'Hare Intl

Tue 17/2

05:25-12:05

1 stop5h 40m

£185

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Fri 6/2

16:57-18:40

Nonstop2h 43m

Chicago O'Hare Intl

Tue 10/2

07:30-10:41

Nonstop2h 11m

£185

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Wed 11/3

18:51-20:20

Nonstop2h 29m

Chicago O'Hare Intl

Sat 14/3

07:00-09:56

Nonstop1h 56m

£188

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Wed 10/6

06:30-12:09

1 stop6h 39m

Chicago O'Hare Intl

Sat 13/6

10:35-22:56

2 stops11h 21m

£189

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 60 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, November is the cheapest month in which you can book a flight from Allentown (average of £341). Flying from Allentown in June will prove the most costly (average of £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 22 January 2026.

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

    This month, the top selected destinations from Allentown are Orlando Sanford Intl Airport, Orlando, Orlando Airport. Throughout the year, Orlando Sanford Intl Airport, Orlando, Myrtle Beach are some of the top choices made by users flying from Allentown.

  • What is the cheapest month to fly from Allentown?

    At the present moment the cheapest month to fly from Allentown is currently November; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • 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 helps you find that perfect flight from Allentown by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

    Users can book flights with no change fees policies with our dedicated filters. Book flights from Allentown flexibly with Cheapflights today.

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

    Not ready to book yet? You can track prices for flights from Allentown on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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 helps you find that perfect flight from Allentown by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Allentown with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Allentown flexibly with Cheapflights today.

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

Not ready to book yet? You can track prices for flights from Allentown on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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