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Cheap flights from the United Kingdom to Allentown from £484

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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ABE
22 Jun — 29 Jun1
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 23 May 2026.

Wed 9/1209:40
LHR
-
ABE
2 stops18h 06m
Virgin Atlantic
Wed 16/1206:30
ABE
-
LHR
1 stop21h 30m
Virgin Atlantic
Deal found 20/5£677
Tue 7/706:30
LHR
-
ABE
2 stops21h 38m
Delta
Sun 19/718:05
ABE
-
LHR
1 stop31h 20m
Delta
Deal found 21/5£722
Wed 8/708:55
LHR
-
ABE
2 stops19h 13m
Delta
Thu 23/713:08
ABE
-
LHR
1 stop12h 17m
Delta
Deal found 21/5£727
Tue 7/706:30
LHR
-
ABE
2 stops21h 38m
Delta
Mon 20/713:08
ABE
-
LHR
2 stops16h 22m
Delta
Deal found 21/5£733
Tue 14/716:20
LHR
-
ABE
2 stops25h 02m
Delta
Thu 23/713:08
ABE
-
LHR
1 stop12h 17m
Delta
Deal found 21/5£736
Wed 8/708:55
LHR
-
ABE
2 stops19h 13m
Delta
Mon 20/713:08
ABE
-
LHR
2 stops16h 22m
Delta
Deal found 21/5£738
Tue 14/709:40
LHR
-
ABE
2 stops18h 28m
Delta
Mon 20/713:08
ABE
-
LHR
2 stops16h 22m
Delta
Deal found 21/5£747
Tue 7/706:30
LHR
-
ABE
2 stops21h 38m
Delta
Fri 17/706:30
ABE
-
LHR
2 stops19h 15m
Delta
Deal found 21/5£752
Thu 9/706:15
LHR
-
ABE
2 stops21h 53m
Delta
Tue 21/718:05
ABE
-
LHR
1 stop14h 10m
Delta
Deal found 21/5£757
Tue 14/715:15
LHR
-
ABE
1 stop31h 10m
Delta
Fri 31/718:05
ABE
-
LHR
1 stop31h 20m
Delta
Deal found 21/5£765
Sat 4/713:25
LHR
-
ABE
1 stop14h 43m
Virgin Atlantic
Sat 11/706:30
ABE
-
LHR
1 stop18h 55m
Virgin Atlantic
Deal found 21/5£766
Mon 13/718:35
LHR
-
ABE
2 stops22h 47m
Delta
Sun 19/718:05
ABE
-
LHR
1 stop31h 20m
Delta
Deal found 21/5£767

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 23 May 2026.

Round-trip from

£722

One-way from

£484
Delta
  • Delta
  • 7/7-19/7
  • 3 total stops
  • 52h 58m total
  • United Kingdom to Allentown
Search Deals
Delta
  • Delta
  • 26/8
  • 1 total stop
  • 13h 10m 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 23 May 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 9/7

15:15-12:22

1 stop26h 07m

Allentown-Bethlehem

Mon 20/7

18:05-11:20

1 stop12h 15m

£765

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 4/7

09:40-23:08

2 stops18h 28m

Allentown-Bethlehem

Sat 11/7

12:53-06:25

1 stop12h 32m

£782

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sun 5/7

06:15-17:30

2 stops16h 15m

Allentown-Bethlehem

Sun 12/7

13:08-13:15

1 stop19h 07m

£787

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 4/7

10:45-23:08

2 stops17h 23m

Allentown-Bethlehem

Sat 11/7

12:53-06:25

1 stop12h 32m

£792

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 19/6

16:20-23:08

2 stops35h 48m

Allentown-Bethlehem

Mon 22/6

18:10-08:05

2 stops32h 55m

£797

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 4/7

10:45-23:08

2 stops17h 23m

Allentown-Bethlehem

Sat 11/7

12:53-10:30

2 stops16h 37m

£806

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Tue 23/6

15:15-23:19

1 stop13h 04m

Allentown-Bethlehem

Tue 30/6

06:00-06:50

1 stop19h 50m

£843

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Fri 13/11

09:25-10:06

2 stops29h 41m

Allentown-Bethlehem

Tue 17/11

17:36-07:55

2 stops33h 19m

£881

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Sat 11/7

05:50-23:08

2 stops22h 18m

Allentown-Bethlehem

Tue 21/7

13:08-14:00

2 stops19h 52m

£888

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Sat 11/7

05:50-23:08

2 stops22h 18m

Allentown-Bethlehem

Wed 22/7

13:08-14:00

2 stops19h 52m

£888

Flights are sorted by cheapest return flights first.

Deals found on 19/5

Showing 1-10 of 39 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 Air France, Delta, and Virgin Atlantic fly from United Kingdom to Allentown in about 16h 15m. The time it takes to get you to your destination can typically vary by up to 19h 33m. 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 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.

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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How does Cheapflights help users find flights from United Kingdom to Allentown?

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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.

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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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