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Cheap flights from the United Kingdom to Allentown from £464

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ABE
6 Aug — 13 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 7 July 2026.

Thu 15/1017:05
LHR
-
ABE
2 stops28h 30m
Finnair
Thu 22/1018:20
ABE
-
LHR
1 stop11h 30m
Finnair
Deal found 7/7£692
Thu 15/1013:25
LHR
-
ABE
1 stop32h 50m
Virgin Atlantic
Thu 22/1018:00
ABE
-
LHR
1 stop14h 15m
Virgin Atlantic
Deal found 7/7£727
Thu 15/1010:45
LHR
-
ABE
2 stops16h 44m
Delta
Thu 22/1013:00
ABE
-
LHR
2 stops19h 05m
Delta
Deal found 7/7£750
Thu 17/908:45
LHR
-
ABE
2 stops29h 54m
United Airlines
Mon 21/910:32
ABE
-
LHR
1 stop20h 23m
United Airlines
Deal found 2/7£770
Sat 12/906:55
LHR
-
ABE
2 stops19h 05m
United Airlines
Sun 13/917:36
ABE
-
LHR
2 stops22h 04m
United Airlines
Deal found 7/7£774
Thu 24/1208:55
LHR
-
ABE
1 stop18h 51m
Virgin Atlantic
Fri 25/1217:40
ABE
-
LHR
1 stop31h 45m
Virgin Atlantic
Deal found 3/7£857
Fri 18/912:30
EDI
-
ABE
2 stops26h 27m
United Airlines
Tue 22/910:32
ABE
-
EDI
2 stops16h 33m
United Airlines
Deal found 6/7£881
Fri 4/911:30
EDI
-
ABE
1 stop27h 27m
United Airlines
Tue 8/917:36
ABE
-
EDI
2 stops35h 59m
United Airlines
Deal found 2/7£890
Fri 21/808:40
LHR
-
ABE
2 stops18h 43m
Virgin Atlantic
Fri 28/813:10
ABE
-
LHR
1 stop12h 15m
Virgin Atlantic
Deal found 7/7£902
Thu 8/1010:35
MAN
-
ABE
2 stops52h 00m
United Airlines
Mon 12/1010:37
ABE
-
MAN
2 stops18h 48m
United Airlines
Deal found 4/7£908
Mon 17/805:55
BHX
-
ABE
2 stops40h 28m
KLM
Mon 24/818:04
ABE
-
BHX
2 stops17h 46m
KLM
Deal found 3/7£1,133
Thu 20/810:20
BHX
-
ABE
2 stops35h 36m
United Airlines
Thu 27/806:15
ABE
-
BHX
2 stops22h 35m
United Airlines
Deal found 6/7£1,207

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 7 July 2026.

Round-trip from

£692

One-way from

£464
Finnair
  • Finnair
  • 15/10-22/10
  • 3 total stops
  • 40h 00m total
  • United Kingdom to Allentown
Search Deals
Delta
  • Delta
  • 1/12
  • 1 total stop
  • 13h 17m 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 7 July 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

17:36-20:40

2 stops22h 04m

£770

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 12/9

06:55-21:00

2 stops19h 05m

Allentown-Bethlehem

Sun 13/9

17:36-06:45

1 stop32h 09m

£774

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Fri 18/9

12:30-09:57

2 stops26h 27m

Allentown-Bethlehem

Tue 22/9

06:15-10:35

2 stops23h 20m

£881

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Fri 4/9

11:30-09:57

1 stop27h 27m

Allentown-Bethlehem

Tue 8/9

17:36-10:35

2 stops35h 59m

£890
Fastest return journey

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 26/8

06:50-17:00

2 stops15h 10m

Allentown-Bethlehem

Mon 31/8

17:36-11:55

1 stop13h 19m

£906

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Thu 8/10

10:35-09:35

2 stops52h 00m

Allentown-Bethlehem

Mon 12/10

10:37-10:25

2 stops18h 48m

£908

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 21/8

09:55-22:23

2 stops17h 28m

Allentown-Bethlehem

Fri 28/8

06:16-07:10

2 stops19h 54m

£914

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 27/8

08:45-21:00

2 stops17h 15m

Allentown-Bethlehem

Mon 31/8

17:36-11:55

1 stop13h 19m

£932

BirminghamAllentown

BHX - ABE

BHXABE

Birmingham

Mon 17/8

05:55-17:23

2 stops40h 28m

Allentown-Bethlehem

Mon 24/8

18:04-16:50

2 stops17h 46m

£1,133

BirminghamAllentown

BHX - ABE

BHXABE

Birmingham

Thu 20/8

10:20-16:56

2 stops35h 36m

Allentown-Bethlehem

Thu 27/8

06:15-09:50

2 stops22h 35m

£1,207

Flights are sorted by cheapest return flights first.

Deals found on 6/7

Showing 1-10 of 28 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 and KLM 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 10h 34m. 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 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

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