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Cheap flights from the United Kingdom to Allentown from £454

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ABE
28 Apr — 5 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 29 March 2026.

Mon 27/413:25
LHR
-
ABE
1 stop14h 35m
Virgin Atlantic
Mon 4/517:59
ABE
-
LHR
1 stop14h 16m
Virgin Atlantic
Deal found 28/3£681
Sun 10/509:20
LHR
-
ABE
1 stop13h 08m
Virgin Atlantic
Sat 23/518:15
ABE
-
LHR
2 stops56h 50m
Virgin Atlantic
Deal found 24/3£710
Sun 10/520:55
LHR
-
ABE
2 stops30h 23m
Multiple Airlines
Sat 23/518:15
ABE
-
LHR
2 stops56h 50m
Multiple Airlines
Deal found 24/3£715
Sun 10/506:30
LHR
-
ABE
2 stops20h 48m
Delta
Sun 17/518:15
ABE
-
LHR
2 stops15h 20m
Delta
Deal found 26/3£740
Fri 8/506:30
LHR
-
ABE
2 stops20h 48m
Delta
Fri 15/506:27
ABE
-
LHR
2 stops18h 53m
Delta
Deal found 24/3£769
Sun 10/516:55
LHR
-
ABE
1 stop12h 27m
American Airlines
Sun 17/506:04
ABE
-
LHR
1 stop19h 51m
American Airlines
Deal found 26/3£775
Sun 10/512:00
LHR
-
ABE
1 stop17h 22m
American Airlines
Sat 23/516:55
ABE
-
LHR
1 stop12h 35m
American Airlines
Deal found 24/3£838
Fri 8/514:55
MAN
-
ABE
2 stops26h 24m
Delta
Fri 15/506:27
ABE
-
MAN
2 stops20h 53m
Delta
Deal found 24/3£844
Wed 16/909:40
EDI
-
ABE
2 stops29h 26m
United Airlines
Sun 20/917:36
ABE
-
EDI
1 stop33h 49m
United Airlines
Deal found 25/3£864
Sat 9/507:30
LHR
-
ABE
2 stops18h 30m
United Airlines
Sat 16/517:40
ABE
-
LHR
2 stops31h 50m
United Airlines
Deal found 25/3£869
Sat 9/510:35
MAN
-
ABE
2 stops28h 13m
United Airlines
Sat 16/517:40
ABE
-
MAN
2 stops35h 45m
United Airlines
Deal found 25/3£921
Sun 10/509:45
MAN
-
ABE
2 stops53h 03m
United Airlines
Sun 17/506:15
ABE
-
MAN
2 stops30h 05m
United Airlines
Deal found 26/3£939

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 29 March 2026.

Round-trip from

£681

One-way from

£454
Virgin Atlantic
  • Virgin Atlantic
  • 27/4-4/5
  • 2 total stops
  • 28h 51m total
  • United Kingdom to Allentown
Search Deals
Delta
  • Delta
  • 13/5
  • 1 total stop
  • 13h 08m 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 29 March 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

Mon 27/4

13:25-23:00

1 stop14h 35m

Allentown-Bethlehem

Mon 4/5

17:59-13:15

1 stop14h 16m

£681

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sun 10/5

20:55-22:18

2 stops30h 23m

Allentown-Bethlehem

Sat 23/5

18:15-08:05

2 stops56h 50m

£715

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sun 10/5

06:30-22:18

2 stops20h 48m

Allentown-Bethlehem

Sun 17/5

18:15-14:35

2 stops15h 20m

£740

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 8/5

06:30-22:18

2 stops20h 48m

Allentown-Bethlehem

Fri 15/5

06:27-06:20

2 stops18h 53m

£769

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sun 10/5

16:55-00:22

1 stop12h 27m

Allentown-Bethlehem

Sun 17/5

06:04-06:55

1 stop19h 51m

£775

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Fri 8/5

14:55-12:19

2 stops26h 24m

Allentown-Bethlehem

Fri 15/5

06:27-08:20

2 stops20h 53m

£844

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Wed 16/9

09:40-10:06

2 stops29h 26m

Allentown-Bethlehem

Sun 20/9

17:36-08:25

1 stop33h 49m

£864

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Sat 9/5

10:35-09:48

2 stops28h 13m

Allentown-Bethlehem

Sat 16/5

17:40-10:25

2 stops35h 45m

£921

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sun 10/5

08:00-17:00

1 stop14h 00m

Allentown-Bethlehem

Sun 17/5

06:15-09:00

1 stop21h 45m

£939

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Sun 10/5

09:45-09:48

2 stops53h 03m

Allentown-Bethlehem

Sun 17/5

06:15-17:20

2 stops30h 05m

£939

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 32 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

What is the cheapest month to book a flight from United Kingdom to Allentown?

Currently, March is the cheapest month in which you can book a flight from United Kingdom to Allentown (average of £302). Flying from United Kingdom to Allentown in June is currently the most expensive (average of £359). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 Virgin Atlantic, Delta, and American Airlines fly from United Kingdom to Allentown in about 12h 27m. The time it takes to get you to your destination can typically vary by up to 8h 21m. 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 Edinburgh Turnhouse - Allentown-Bethlehem. You may also consider London Heathrow - 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.

  • What is the cheapest month to book a flight from United Kingdom to Allentown?

    Currently, March is the cheapest month in which you can book a flight from United Kingdom to Allentown (average of £302). Flying from United Kingdom to Allentown in June is currently the most expensive (average of £359). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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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Fly with Cheapflights

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Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Allentown?

Millions of users choose and trust Cheapflights to book the best flight deals from United Kingdom to Allentown for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from United Kingdom to Allentown with no change fees?

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.

Can Cheapflights notify me if prices for flights from United Kingdom to Allentown become cheaper?

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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