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Cheap flights from the United Kingdom to Allentown from £467

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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ABE
25 Jul — 1 Aug1
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 25 June 2026.

Thu 17/908:45
LHR
-
ABE
2 stops29h 54m
United Airlines
Mon 21/910:32
ABE
-
LHR
1 stop20h 23m
United Airlines
Deal found 24/6£695
Fri 3/709:15
LHR
-
ABE
1 stop14h 17m
Finnair
Fri 10/706:15
ABE
-
LHR
1 stop21h 50m
Finnair
Deal found 22/6£732
Fri 3/717:50
LHR
-
ABE
2 stops28h 16m
United Airlines
Fri 10/710:35
ABE
-
LHR
2 stops25h 05m
United Airlines
Deal found 22/6£748
Sat 21/1106:15
MAN
-
ABE
2 stops21h 00m
Multiple Airlines
Fri 4/1217:18
ABE
-
MAN
2 stops16h 02m
Multiple Airlines
Deal found 23/6£748
Tue 14/711:05
LHR
-
ABE
1 stop27h 53m
United Airlines
Sun 19/710:35
ABE
-
LHR
1 stop15h 10m
United Airlines
Deal found 25/6£752
Tue 14/709:55
LHR
-
ABE
2 stops18h 13m
Delta
Mon 20/718:05
ABE
-
LHR
1 stop12h 15m
Delta
Deal found 25/6£786
Mon 27/713:10
LHR
-
ABE
1 stop14h 58m
Finnair
Thu 6/817:12
ABE
-
LHR
1 stop14h 03m
Finnair
Deal found 24/6£794
Sun 12/706:15
LHR
-
ABE
2 stops16h 10m
Delta
Wed 22/718:05
ABE
-
LHR
1 stop14h 10m
Delta
Deal found 24/6£825
Wed 14/1006:05
BHX
-
ABE
2 stops40h 03m
United Airlines
Sun 18/1006:20
ABE
-
BHX
2 stops30h 20m
United Airlines
Deal found 21/6£829
Thu 2/711:30
EDI
-
ABE
1 stop34h 31m
United Airlines
Mon 6/710:35
ABE
-
EDI
1 stop16h 50m
United Airlines
Deal found 24/6£832
Thu 8/1010:35
MAN
-
ABE
2 stops52h 00m
United Airlines
Mon 12/1017:46
ABE
-
MAN
2 stops42h 49m
United Airlines
Deal found 24/6£864
Sat 3/1006:05
MAN
-
ABE
2 stops16h 03m
United Airlines
Tue 6/1017:46
ABE
-
MAN
2 stops35h 04m
United Airlines
Deal found 22/6£892

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 25 June 2026.

Round-trip from

£695

One-way from

£467
United Airlines
  • United Airlines
  • 17/9-21/9
  • 3 total stops
  • 50h 17m total
  • United Kingdom to Allentown
Search Deals
Delta
  • Delta
  • 30/9
  • 1 total stop
  • 13h 01m 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 25 June 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

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 17/9

08:45-09:39

2 stops29h 54m

Allentown-Bethlehem

Mon 21/9

10:32-11:55

1 stop20h 23m

£695

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Sat 21/11

06:15-22:15

2 stops21h 00m

Allentown-Bethlehem

Fri 4/12

17:18-14:20

2 stops16h 02m

£748

BirminghamAllentown

BHX - ABE

BHXABE

Birmingham

Wed 14/10

06:05-17:08

2 stops40h 03m

Allentown-Bethlehem

Sun 18/10

06:20-17:40

2 stops30h 20m

£829

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Tue 20/10

11:10-22:15

1 stop16h 05m

Allentown-Bethlehem

Fri 30/10

06:00-11:35

1 stop25h 35m

£855

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Thu 8/10

10:35-09:35

2 stops52h 00m

Allentown-Bethlehem

Mon 12/10

17:46-17:35

2 stops42h 49m

£864
Fastest return journey

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 15/7

08:00-17:01

1 stop14h 01m

Allentown-Bethlehem

Wed 22/7

17:41-11:55

1 stop13h 14m

£885

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 15/7

12:15-09:58

2 stops26h 43m

Allentown-Bethlehem

Tue 21/7

06:15-09:00

1 stop21h 45m

£885

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 21/8

08:00-16:56

1 stop13h 56m

Allentown-Bethlehem

Tue 25/8

17:36-11:55

1 stop13h 19m

£888

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 25/7

16:40-09:58

2 stops22h 18m

Allentown-Bethlehem

Sun 2/8

06:15-06:55

2 stops19h 40m

£889

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Sat 3/10

06:05-17:08

2 stops16h 03m

Allentown-Bethlehem

Tue 6/10

17:46-09:50

2 stops35h 04m

£892

Flights are sorted by cheapest return flights first.

Deals found on 23/6

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 United Airlines fly from United Kingdom to Allentown in about 29h 54m. The time it takes to get you to your destination can typically vary by up to . The distance between United Kingdom and Allentown is about 3507 mi.

  • 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 Edinburgh Turnhouse - Allentown-Bethlehem or Manchester - 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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Luton to Philadelphia flights
Manchester to Dulles Intl flights
Glasgow Intl to LaGuardia flights
Southend to John F Kennedy Intl flights
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Edinburgh to Dulles Intl flights
Newcastle upon Tyne to John F Kennedy Intl flights
Manchester to Philadelphia flights
Gatwick to Pittsburgh flights
London City to Pittsburgh flights
Southampton to John F Kennedy Intl flights
Manchester to Reagan-National flights
Stansted to Pittsburgh flights

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