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Cheap flights from the United Kingdom to Allentown from £465

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
8 Aug — 15 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 9 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£693
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£751
Wed 30/907:30
LHR
-
ABE
2 stops38h 38m
United Airlines
Sun 4/1017:46
ABE
-
LHR
1 stop33h 44m
United Airlines
Deal found 8/7£753
Thu 17/908:45
LHR
-
ABE
2 stops29h 54m
United Airlines
Mon 21/910:32
ABE
-
LHR
1 stop20h 23m
United Airlines
Deal found 5/7£771
Sat 12/906:55
LHR
-
ABE
2 stops19h 05m
United Airlines
Sun 13/917:36
ABE
-
LHR
1 stop32h 09m
United Airlines
Deal found 7/7£774
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£882
Thu 10/912:30
EDI
-
ABE
2 stops33h 26m
United Airlines
Mon 14/910:32
ABE
-
EDI
2 stops20h 18m
United Airlines
Deal found 8/7£887
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£909
Sat 22/806:00
EDI
-
ABE
2 stops15h 27m
American Airlines
Sat 29/816:57
ABE
-
EDI
2 stops15h 13m
American Airlines
Deal found 8/7£1,005
Sat 22/809:00
EDI
-
ABE
1 stop13h 23m
Delta
Sat 29/813:10
ABE
-
EDI
2 stops16h 30m
Delta
Deal found 8/7£1,100
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£1,208

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 9 July 2026.

Round-trip from

£693

One-way from

£465
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 9 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

10:32-11:55

1 stop20h 23m

£771

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

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 30/9

07:30-21:05

2 stops18h 35m

Allentown-Bethlehem

Sun 4/10

06:20-05:55

2 stops18h 35m

£783

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Fri 18/9

12:30-09:57

2 stops26h 27m

Allentown-Bethlehem

Tue 22/9

10:32-08:05

2 stops16h 33m

£882

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Thu 10/9

11:30-09:39

1 stop27h 09m

Allentown-Bethlehem

Mon 14/9

17:36-08:25

1 stop33h 49m

£883

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

£909

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

£915

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

£933

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Sat 22/8

06:00-16:27

2 stops15h 27m

Allentown-Bethlehem

Sat 29/8

16:57-13:10

2 stops15h 13m

£1,005
Fastest return journey

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Sat 22/8

09:00-17:23

1 stop13h 23m

Allentown-Bethlehem

Sat 29/8

13:10-10:40

2 stops16h 30m

£1,100

Flights are sorted by cheapest return flights first.

Deals found on 6/7

Showing 1-10 of 29 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 Birmingham - Allentown-Bethlehem or Edinburgh Turnhouse - 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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