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Cheap flights from the United Kingdom to Allentown from £527

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 13/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ABE
4 Mar — 11 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Allentown

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Allentown
Explore the most affordable flight options available from United Kingdom to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 February 2026.

Wed 18/308:40
LHR
-
ABE
2 stops18h 16m
Delta
Wed 25/306:32
ABE
-
LHR
2 stops19h 48m
Delta
Deal found 1/2£592
Thu 19/313:30
MAN
-
ABE
1 stop31h 47m
Virgin Atlantic
Thu 26/306:32
ABE
-
MAN
2 stops19h 58m
Virgin Atlantic
Deal found 2/2£684
Fri 3/708:35
EDI
-
ABE
2 stops20h 44m
American Airlines
Mon 13/717:18
ABE
-
EDI
2 stops18h 17m
American Airlines
Deal found 31/1£727
Wed 18/307:40
LHR
-
ABE
1 stop13h 11m
United Airlines
Wed 25/310:31
ABE
-
LHR
1 stop15h 24m
United Airlines
Deal found 1/2£727
Thu 4/611:10
LHR
-
ABE
1 stop16h 05m
Multiple Airlines
Mon 8/617:18
ABE
-
LHR
1 stop12h 57m
Multiple Airlines
Deal found 1/2£743
Wed 1/711:20
EDI
-
ABE
2 stops29h 50m
Delta
Mon 13/706:30
ABE
-
EDI
2 stops29h 00m
Delta
Deal found 31/1£751
Wed 1/711:20
EDI
-
ABE
2 stops29h 50m
Delta
Wed 15/706:30
ABE
-
EDI
2 stops19h 35m
Delta
Deal found 31/1£754
Fri 3/709:25
EDI
-
ABE
2 stops19h 54m
American Airlines
Sun 19/717:18
ABE
-
EDI
2 stops17h 22m
American Airlines
Deal found 31/1£757
Wed 18/313:00
MAN
-
ABE
2 stops24h 56m
United Airlines
Wed 25/310:31
ABE
-
MAN
2 stops18h 09m
United Airlines
Deal found 1/2£757
Fri 3/708:35
EDI
-
ABE
2 stops20h 44m
American Airlines
Fri 17/717:18
ABE
-
EDI
2 stops21h 27m
American Airlines
Deal found 31/1£765
Thu 19/306:50
LHR
-
ABE
2 stops31h 06m
United Airlines
Thu 26/306:20
ABE
-
LHR
2 stops20h 50m
United Airlines
Deal found 2/2£776
Thu 2/711:20
EDI
-
ABE
2 stops29h 50m
Delta
Mon 13/706:30
ABE
-
EDI
2 stops23h 10m
Delta
Deal found 31/1£781

Find flight deals from United Kingdom to Allentown

Keep the following information in mind while searching for United Kingdom to Allentown flight deals. Data was last updated 2 February 2026.

Round-trip from

£592

One-way from

£527
Delta
  • Delta
  • 18/3-25/3
  • 4 total stops
  • 38h 04m total
  • United Kingdom to Allentown
Search Deals
United Airlines
  • United Airlines
  • 13/4
  • 1 total stop
  • 24h 48m total
  • United Kingdom to Allentown
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom to Allentown that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 2 February 2026.
Use the filters below to find and compare flights from the United Kingdom to Allentown that are best for you.

Fly from

United Kingdom

Fly to

Allentown

Route

Depart

Return

Price

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 18/3

06:30-22:56

2 stops20h 26m

Allentown-Bethlehem

Wed 25/3

06:32-09:00

1 stop22h 28m

£592

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Thu 19/3

13:30-22:56

1 stop13h 26m

Allentown-Bethlehem

Thu 26/3

06:32-10:30

1 stop23h 58m

£703

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Fri 3/7

09:25-00:19

2 stops19h 54m

Allentown-Bethlehem

Tue 14/7

17:18-15:40

2 stops17h 22m

£727

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 18/3

07:40-16:51

1 stop13h 11m

Allentown-Bethlehem

Wed 25/3

10:31-05:55

1 stop15h 24m

£727

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Fri 3/7

08:35-00:19

2 stops20h 44m

Allentown-Bethlehem

Mon 13/7

17:18-16:35

2 stops18h 17m

£727

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 4/6

11:10-22:15

1 stop16h 05m

Allentown-Bethlehem

Mon 8/6

17:18-11:15

1 stop12h 57m

£743

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Wed 1/7

11:20-22:56

2 stops16h 36m

Allentown-Bethlehem

Tue 14/7

17:40-16:30

2 stops17h 50m

£751

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Wed 18/3

13:00-09:56

2 stops24h 56m

Allentown-Bethlehem

Wed 25/3

10:31-08:40

2 stops18h 09m

£757

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Fri 3/7

09:25-00:19

2 stops19h 54m

Allentown-Bethlehem

Sun 19/7

17:18-15:40

2 stops17h 22m

£757

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Fri 3/7

08:35-00:19

2 stops20h 44m

Allentown-Bethlehem

Fri 17/7

17:18-19:45

2 stops21h 27m

£765

Flights are sorted by cheapest return flights first.

Deals found on 1/2

Showing 1-10 of 35 results
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Best time to book a flight from United Kingdom to Allentown

Have a flexible travel schedule? Discover the best time to fly to Allentown from United Kingdom 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.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Allentown

What is the cheapest month to book a flight from United Kingdom to Allentown?

Currently, March is the cheapest month in which you can book a flight from United Kingdom to Allentown (average of £216). Flying from United Kingdom to Allentown in June is currently the most expensive (average of £350). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Allentown. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Allentown from United Kingdom?

    For a flight from United Kingdom to Allentown, you will be flying into Allentown-Bethlehem. Allentown-Bethlehem (ABE) is just 3.9 mi from the center of the city.

  • How long is the flight from United Kingdom to Allentown?

    Airlines like Delta, Virgin Atlantic, and American Airlines fly from United Kingdom to Allentown in about 13h 26m. The time it takes to get you to your destination can typically vary by up to 7h. The distance between United Kingdom and Allentown is about 3395 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from United Kingdom to Allentown?

    The most popular route from United Kingdom to Allentown is London Heathrow - Allentown-Bethlehem. You may also consider Manchester - Allentown-Bethlehem or Birmingham - Allentown-Bethlehem.

  • Can I find deals for flights from United Kingdom to Allentown that include hotel bookings?

    Yes. In addition to deals on United Kingdom to Allentown flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to Allentown?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Allentown.

  • Can I find deals for business class flights from United Kingdom to Allentown?

    Yes. Cheapflights offers flight deals from United Kingdom to Allentown by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from United Kingdom to Allentown?

    Currently, March is the cheapest month in which you can book a flight from United Kingdom to Allentown (average of £216). Flying from United Kingdom to Allentown in June is currently the most expensive (average of £350). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for United Kingdom to Allentown

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Allentown?

Millions of users choose and trust Cheapflights to book the best flight deals from United Kingdom to Allentown for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from United Kingdom to Allentown with no change fees?

Yes, we can. To see specific flights from United Kingdom to Allentown with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

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

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