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Cheap flights from the United Kingdom to Allentown from £693

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 24/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ABE
19 May — 26 May1
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 19 April 2026.

Fri 29/515:15
LHR
-
ABE
1 stop13h 01m
Multiple Airlines
Fri 5/617:06
ABE
-
LHR
1 stop13h 09m
Multiple Airlines
Deal found 14/4£762
Tue 9/610:30
EDI
-
ABE
2 stops18h 51m
American Airlines
Tue 16/617:06
ABE
-
EDI
2 stops18h 24m
American Airlines
Deal found 16/4£773
Fri 29/506:30
LHR
-
ABE
2 stops20h 48m
Delta
Fri 5/606:23
ABE
-
LHR
1 stop19h 02m
Delta
Deal found 14/4£779
Thu 18/608:40
LHR
-
ABE
2 stops18h 50m
Delta
Sat 4/718:09
ABE
-
LHR
1 stop14h 06m
Delta
Deal found 16/4£785
Sat 30/509:20
LHR
-
ABE
1 stop13h 08m
Virgin Atlantic
Sat 6/618:15
ABE
-
LHR
1 stop31h 10m
Virgin Atlantic
Deal found 15/4£786
Sat 30/506:15
LHR
-
ABE
2 stops16h 13m
Delta
Sat 6/606:23
ABE
-
LHR
2 stops18h 57m
Delta
Deal found 15/4£790
Sun 31/509:20
LHR
-
ABE
1 stop17h 58m
Delta
Sun 7/606:20
ABE
-
LHR
2 stops19h 25m
Delta
Deal found 16/4£799
Tue 9/610:30
EDI
-
ABE
2 stops18h 51m
American Airlines
Sun 14/617:06
ABE
-
EDI
2 stops16h 14m
American Airlines
Deal found 16/4£803
Tue 9/610:30
EDI
-
ABE
2 stops18h 51m
American Airlines
Wed 17/617:46
ABE
-
EDI
2 stops19h 49m
American Airlines
Deal found 16/4£804
Mon 8/606:20
EDI
-
ABE
2 stops21h 59m
American Airlines
Tue 16/617:06
ABE
-
EDI
2 stops17h 34m
American Airlines
Deal found 16/4£808
Wed 10/610:40
MAN
-
ABE
1 stop16h 50m
Delta
Mon 15/613:12
ABE
-
MAN
2 stops19h 48m
Delta
Deal found 15/4£825
Tue 9/610:30
EDI
-
ABE
2 stops18h 51m
American Airlines
Fri 19/617:06
ABE
-
EDI
2 stops19h 29m
American Airlines
Deal found 16/4£834

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 19 April 2026.

Round-trip from

£762

One-way from

£693
29/5-5/6
  • 29/5-5/6
  • 2 total stops
  • 26h 10m total
  • United Kingdom to Allentown
Search Deals
24/4
  • 24/4
  • 3 total stops
  • 53h 53m 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 19 April 2026.
Use the filters below to find and compare flights from the United Kingdom to Allentown that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 29/5

15:15-23:16

1 stop13h 01m

Allentown-Bethlehem

Fri 5/6

17:06-11:15

1 stop13h 09m

£762

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 18/6

06:30-22:30

2 stops21h 00m

Allentown-Bethlehem

Sat 4/7

13:12-13:05

2 stops18h 53m

£785

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 30/5

06:15-17:28

2 stops16h 13m

Allentown-Bethlehem

Sat 6/6

06:23-06:20

2 stops18h 57m

£790

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Wed 10/6

14:55-22:30

2 stops36h 35m

Allentown-Bethlehem

Mon 15/6

13:12-14:00

2 stops19h 48m

£825

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Thu 11/6

08:55-22:30

2 stops18h 35m

Allentown-Bethlehem

Mon 15/6

13:12-14:00

2 stops19h 48m

£856

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sun 31/5

09:20-22:18

1 stop17h 58m

Allentown-Bethlehem

Sun 7/6

13:12-06:25

1 stop12h 13m

£861

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Thu 24/9

09:00-10:06

2 stops54h 06m

Allentown-Bethlehem

Mon 28/9

17:36-10:35

2 stops35h 59m

£898

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 29/5

06:30-22:18

2 stops20h 48m

Allentown-Bethlehem

Fri 5/6

06:23-07:10

2 stops19h 47m

£966

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Tue 13/10

06:05-16:56

2 stops15h 51m

Allentown-Bethlehem

Sun 18/10

14:30-17:20

2 stops21h 50m

£970

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Tue 19/5

10:35-10:03

2 stops28h 28m

Allentown-Bethlehem

Tue 26/5

14:23-10:25

2 stops15h 02m

£987

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 31 resultsSorted by cheapest first
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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
No data available for this route at this time. Please check back soon.

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 and United Airlines fly from United Kingdom to Allentown in about 21h. The time it takes to get you to your destination can typically vary by up to 33h 06m. The distance between United Kingdom and Allentown is about 3507 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 Manchester - Allentown-Bethlehem. You may also consider Edinburgh Turnhouse - Allentown-Bethlehem or London Heathrow - 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.

See more FAQs

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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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London City to Philadelphia flights
Stansted to Philadelphia flights
Birmingham to Newark flights
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Edinburgh to Philadelphia flights
Southend to John F Kennedy Intl flights
Manchester to Dulles Intl flights
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Birmingham to LaGuardia flights
Dublin to LaGuardia flights
Southampton to John F Kennedy Intl flights
Dublin to Newark flights
Southampton to Newark flights
Gatwick to Pittsburgh flights
Manchester to Reagan-National flights

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