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£72+ 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 6/5. 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
6 Mar — 13 Mar1
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 4 February 2026.

Sat 28/217:58
ABE
-
ORD
1 stop6h 58m
Delta
Mon 2/305:25
ORD
-
ABE
1 stop5h 40m
Delta
Deal found 3/2£150
Sat 28/206:28
ABE
-
ORD
Nonstop2h 32m
United Airlines
Mon 2/307:00
ORD
-
ABE
Nonstop2h 01m
United Airlines
Deal found 3/2£153
Wed 4/312:47
ABE
-
ORD
1 stop5h 04m
Delta
Wed 11/309:50
ORD
-
ABE
1 stop6h 27m
Delta
Deal found 2/2£167
Thu 26/217:58
ABE
-
ORD
1 stop6h 58m
Delta
Tue 3/305:25
ORD
-
ABE
1 stop5h 40m
Delta
Deal found 3/2£173
Fri 10/713:00
ABE
-
ORD
1 stop8h 18m
Delta
Sat 18/713:35
ORD
-
ABE
2 stops8h 21m
Delta
Deal found 3/2£174
Tue 17/217:58
ABE
-
ORD
1 stop6h 58m
Delta
Mon 23/209:48
ORD
-
ABE
1 stop6h 24m
Delta
Deal found 2/2£182
Wed 4/306:28
ABE
-
ORD
Nonstop2h 32m
United Airlines
Wed 11/307:00
ORD
-
ABE
Nonstop1h 56m
United Airlines
Deal found 2/2£183
Thu 12/306:20
ABE
-
ORD
Nonstop2h 32m
United Airlines
Sat 14/307:00
ORD
-
ABE
Nonstop1h 56m
United Airlines
Deal found 2/2£184
Fri 10/713:00
ABE
-
ORD
1 stop8h 18m
Delta
Tue 14/706:00
ORD
-
ABE
1 stop5h 10m
Delta
Deal found 3/2£186
Thu 12/306:32
ABE
-
SJC
1 stop8h 36m
Delta
Mon 16/322:50
SJC
-
ABE
1 stop10h 26m
Delta
Deal found 2/2£284
Tue 3/310:36
ABE
-
MCO
1 stop7h 46m
United Airlines
Fri 6/320:40
MCO
-
ABE
1 stop13h 16m
United Airlines
Deal found 2/2£294
Wed 11/317:58
ABE
-
MCO
1 stop5h 04m
Delta
Wed 18/306:15
MCO
-
ABE
1 stop6h 01m
Delta
Deal found 1/2£297

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 4 February 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

Wed 18/3

18:51-20:20

Nonstop2h 29m

Chicago O'Hare Intl

Tue 24/3

07:00-09:56

Nonstop1h 56m

£153

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Sat 7/3

17:58-23:56

1 stop6h 58m

Chicago O'Hare Intl

Mon 9/3

09:50-17:17

1 stop6h 27m

£182

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Thu 19/2

10:36-12:10

Nonstop2h 34m

Chicago O'Hare Intl

Sat 21/2

08:45-11:50

Nonstop2h 05m

£182

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Fri 29/5

18:16-23:59

1 stop6h 43m

Chicago O'Hare Intl

Sat 6/6

09:10-17:23

1 stop7h 13m

£182

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Wed 4/3

06:28-08:00

Nonstop2h 32m

Chicago O'Hare Intl

Wed 11/3

07:00-09:56

Nonstop1h 56m

£183

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Thu 12/3

06:20-07:52

Nonstop2h 32m

Chicago O'Hare Intl

Sat 14/3

07:00-09:56

Nonstop1h 56m

£184

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Sat 21/3

06:20-07:52

Nonstop2h 32m

Chicago O'Hare Intl

Sat 28/3

07:00-09:56

Nonstop1h 56m

£204

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Tue 24/2

17:23-18:55

Nonstop2h 32m

Chicago O'Hare Intl

Sun 1/3

07:00-10:01

Nonstop2h 01m

£204

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Wed 25/2

17:23-18:55

Nonstop2h 32m

Chicago O'Hare Intl

Sun 1/3

07:00-10:01

Nonstop2h 01m

£204

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Thu 23/4

12:52-20:16

1 stop8h 24m

Chicago O'Hare Intl

Tue 28/4

14:25-23:00

1 stop7h 35m

£208

Flights are sorted by cheapest return flights first.

Deals found on 3/2

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 £335). Flying from Allentown in June will prove the most costly (average of £453). 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 4 February 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, Fort Lauderdale. 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

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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 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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