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Cheap flights from the United Kingdom to Allentown from £427

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 25/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ABE
31 Aug — 7 Sep1
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 1 August 2026.

Wed 30/913:10
LHR
-
ABE
1 stop14h 08m
Multiple Airlines
Tue 13/1006:00
ABE
-
LHR
1 stop22h 05m
Multiple Airlines
Deal found 28/7£684
Fri 27/1108:40
LHR
-
ABE
2 stops18h 47m
Virgin Atlantic
Tue 8/1212:53
ABE
-
LHR
1 stop17h 47m
Virgin Atlantic
Deal found 28/7£690
Sat 19/913:25
LHR
-
ABE
1 stop13h 51m
Virgin Atlantic
Tue 22/912:56
ABE
-
LHR
1 stop12h 29m
Virgin Atlantic
Deal found 31/7£709
Wed 16/908:40
LHR
-
ABE
2 stops18h 38m
American Airlines
Tue 22/914:25
ABE
-
LHR
2 stops14h 25m
American Airlines
Deal found 31/7£710
Sat 19/906:15
LHR
-
ABE
2 stops16h 16m
Air France
Mon 21/912:56
ABE
-
LHR
1 stop12h 29m
Air France
Deal found 31/7£711
Wed 16/911:15
LHR
-
ABE
1 stop16h 01m
Delta
Tue 22/906:25
ABE
-
LHR
1 stop19h 00m
Delta
Deal found 31/7£715
Sat 19/909:20
LHR
-
ABE
1 stop13h 11m
Virgin Atlantic
Mon 21/912:56
ABE
-
LHR
1 stop17h 24m
Virgin Atlantic
Deal found 31/7£717
Wed 16/907:30
LHR
-
ABE
2 stops18h 30m
United Airlines
Sun 20/918:01
ABE
-
LHR
1 stop31h 44m
United Airlines
Deal found 28/7£720
Sun 13/920:45
MAN
-
ABE
2 stops49h 36m
Virgin Atlantic
Sun 20/918:04
ABE
-
MAN
2 stops34h 56m
Virgin Atlantic
Deal found 30/7£791
Wed 2/1206:10
BHX
-
ABE
2 stops32h 56m
United Airlines
Sun 6/1217:36
ABE
-
BHX
2 stops37h 59m
United Airlines
Deal found 28/7£849
Sat 24/1005:55
MAN
-
ABE
2 stops16h 20m
Multiple Airlines
Sat 7/1113:00
ABE
-
MAN
2 stops16h 05m
Multiple Airlines
Deal found 28/7£860
Sat 24/1005:55
MAN
-
ABE
2 stops16h 21m
Delta
Sat 7/1113:00
ABE
-
MAN
2 stops16h 05m
Delta
Deal found 31/7£875

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 1 August 2026.

Round-trip from

£684

One-way from

£427
30/9-13/10
  • 30/9-13/10
  • 2 total stops
  • 36h 13m total
  • United Kingdom to Allentown
Search Deals
25/11
  • 25/11
  • 2 total stops
  • 35h 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 1 August 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

Wed 30/9

13:10-22:18

1 stop14h 08m

Allentown-Bethlehem

Tue 13/10

06:00-09:05

1 stop22h 05m

£686

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 16/9

09:20-17:21

1 stop13h 01m

Allentown-Bethlehem

Sun 20/9

18:04-06:25

1 stop31h 21m

£715

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 16/9

09:20-22:16

1 stop17h 56m

Allentown-Bethlehem

Mon 21/9

12:56-07:15

1 stop13h 19m

£715

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 16/9

07:30-09:39

2 stops31h 09m

Allentown-Bethlehem

Sun 20/9

18:01-16:25

2 stops41h 24m

£722

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mon 21/9

06:50-16:56

2 stops15h 06m

Allentown-Bethlehem

Mon 28/9

17:46-11:55

1 stop13h 09m

£732

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Tue 8/9

06:50-16:56

2 stops15h 06m

Allentown-Bethlehem

Tue 15/9

17:36-11:55

1 stop13h 19m

£740

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 19/9

09:40-22:16

2 stops17h 36m

Allentown-Bethlehem

Wed 23/9

06:25-06:45

2 stops19h 20m

£745

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 16/9

09:20-17:21

1 stop13h 01m

Allentown-Bethlehem

Sat 19/9

18:11-06:25

1 stop31h 14m

£745

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 12/11

13:45-09:47

2 stops49h 02m

Allentown-Bethlehem

Mon 16/11

17:32-13:00

2 stops38h 28m

£747

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 24/9

06:50-17:08

2 stops15h 18m

Allentown-Bethlehem

Tue 29/9

17:46-11:55

1 stop13h 09m

£753

Flights are sorted by cheapest return flights first.

Deals found on 27/7

Showing 1-10 of 43 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 Delta, United Airlines, and Virgin Atlantic fly from United Kingdom to Allentown in about 13h 01m. The time it takes to get you to your destination can typically vary by up to 46h 20m. 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

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Fly with Cheapflights

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

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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.

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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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