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Cheap flights from the United Kingdom to Allentown from £414

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ABE
24 Aug — 31 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 25 July 2026.

Sun 29/1119:20
LHR
-
ABE
2 stops32h 26m
Virgin Atlantic
Mon 7/1206:30
ABE
-
LHR
2 stops19h 20m
Virgin Atlantic
Deal found 20/7£672
Mon 7/909:20
LHR
-
ABE
1 stop18h 03m
Virgin Atlantic
Mon 14/906:25
ABE
-
LHR
1 stop19h 00m
Virgin Atlantic
Deal found 24/7£675
Fri 30/1016:45
LHR
-
ABE
2 stops27h 50m
Finnair
Fri 6/1117:14
ABE
-
LHR
1 stop11h 01m
Finnair
Deal found 20/7£689
Tue 8/913:10
LHR
-
ABE
1 stop14h 30m
Multiple Airlines
Tue 15/909:13
ABE
-
LHR
1 stop21h 02m
Multiple Airlines
Deal found 25/7£691
Tue 8/908:40
LHR
-
ABE
2 stops18h 46m
Delta
Tue 15/912:56
ABE
-
LHR
2 stops18h 09m
Delta
Deal found 25/7£693
Mon 7/906:15
LHR
-
ABE
2 stops16h 08m
Delta
Mon 14/912:56
ABE
-
LHR
1 stop12h 29m
Delta
Deal found 24/7£700
Sun 6/914:50
LHR
-
ABE
2 stops30h 52m
British Airways
Sun 13/917:17
ABE
-
LHR
2 stops21h 28m
British Airways
Deal found 23/7£717
Tue 1/905:55
BHX
-
ABE
2 stops21h 28m
Delta
Wed 30/912:56
ABE
-
BHX
2 stops19h 44m
Delta
Deal found 21/7£739
Mon 2/1107:50
MAN
-
ABE
2 stops19h 34m
Multiple Airlines
Sun 15/1118:11
ABE
-
MAN
2 stops18h 54m
Multiple Airlines
Deal found 21/7£791
Fri 4/905:55
BHX
-
ABE
2 stops21h 28m
Multiple Airlines
Fri 11/912:56
ABE
-
BHX
2 stops23h 54m
Multiple Airlines
Deal found 21/7£800
Sun 6/916:35
MAN
-
ABE
2 stops35h 05m
British Airways
Sun 13/917:17
ABE
-
MAN
2 stops37h 13m
British Airways
Deal found 22/7£823
Sat 24/1013:15
MAN
-
ABE
1 stop14h 14m
Virgin Atlantic
Sat 7/1118:00
ABE
-
MAN
1 stop31h 40m
Virgin Atlantic
Deal found 22/7£853

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 25 July 2026.

Round-trip from

£672

One-way from

£414
Virgin Atlantic
  • Virgin Atlantic
  • 29/11-7/12
  • 4 total stops
  • 51h 46m total
  • United Kingdom to Allentown
Search Deals
15/9
  • 15/9
  • 2 total stops
  • 35h 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 25 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

Fri 30/10

16:45-16:35

2 stops27h 50m

Allentown-Bethlehem

Fri 6/11

17:14-09:15

1 stop11h 01m

£689

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Tue 8/9

13:10-22:40

1 stop14h 30m

Allentown-Bethlehem

Tue 15/9

09:13-11:15

1 stop21h 02m

£691

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Tue 8/9

09:55-22:26

2 stops17h 31m

Allentown-Bethlehem

Tue 15/9

06:25-06:25

1 stop19h 00m

£693
Fastest return journey

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mon 7/9

06:15-17:23

2 stops16h 08m

Allentown-Bethlehem

Mon 14/9

12:56-06:25

1 stop12h 29m

£700

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sun 6/9

14:50-16:42

2 stops30h 52m

Allentown-Bethlehem

Sun 13/9

17:17-19:45

2 stops21h 28m

£717

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sun 29/11

08:55-22:46

1 stop18h 51m

Allentown-Bethlehem

Mon 7/12

06:30-11:40

1 stop24h 10m

£720

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mon 7/9

06:50-16:56

2 stops15h 06m

Allentown-Bethlehem

Mon 14/9

10:32-06:45

1 stop15h 13m

£731

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sun 6/9

17:35-17:23

2 stops28h 48m

Allentown-Bethlehem

Sun 13/9

06:25-06:25

1 stop19h 00m

£741

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 12/11

13:45-09:47

2 stops49h 02m

Allentown-Bethlehem

Mon 16/11

17:32-05:55

1 stop31h 23m

£754

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Mon 2/11

07:50-22:24

2 stops19h 34m

Allentown-Bethlehem

Sun 15/11

18:11-18:05

2 stops18h 54m

£791

Flights are sorted by cheapest return flights first.

Deals found on 24/7

Showing 1-10 of 49 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 Finnair, Delta, and Virgin Atlantic fly from United Kingdom to Allentown in about 14h 14m. The time it takes to get you to your destination can typically vary by up to 13h 36m. The distance between United Kingdom and Allentown is about 3395 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 Manchester - Allentown-Bethlehem. You may also consider London Heathrow - 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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Fly with Cheapflights

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

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Why should you use Cheapflights to find cheap flight tickets 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.

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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