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Cheap flights from the United Kingdom to Allentown from £468

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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ABE
12 Sep — 19 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 13 August 2026.

Wed 16/913:10 -
1 stop14h 08m
Wed 30/909:13 -
1 stop16h 37m
Deal found 12/8£700
Tue 22/906:30 -
2 stops20h 46m
Tue 29/906:25 -
2 stops18h 55m
Deal found 8/8£702
Wed 16/906:30 -
2 stops20h 46m
Wed 30/906:25 -
2 stops19h 20m
Deal found 12/8£703
Mon 7/909:15 -
1 stop12h 12m
Mon 14/917:10 -
1 stop13h 05m
Deal found 10/8£721
Wed 23/906:50 -
2 stops15h 06m
Wed 30/917:43 -
1 stop13h 12m
Deal found 9/8£739
Mon 7/909:15 -
1 stop12h 12m
Mon 14/914:25 -
2 stops26h 15m
Deal found 10/8£740
Mon 7/906:55 -
2 stops31h 44m
Mon 14/917:36 -
2 stops22h 04m
Deal found 10/8£751
Fri 25/909:20 -
1 stop12h 59m
Fri 2/1006:25 -
1 stop25h 50m
Deal found 11/8£777
Thu 3/908:45 -
2 stops30h 12m
Mon 7/917:36 -
1 stop34h 24m
Deal found 11/8£777
Thu 10/906:50 -
2 stops15h 06m
Wed 23/917:36 -
1 stop13h 19m
Deal found 9/8£786
Tue 22/905:55 -
2 stops16h 26m
Tue 29/918:08 -
2 stops17h 37m
Deal found 8/8£794
Tue 22/913:00 -
1 stop14h 16m
Tue 29/912:56 -
2 stops19h 19m
Deal found 8/8£809

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 13 August 2026.

Round-trip from

£700

One-way from

£468
16/9-30/9
  • 16/9-30/9
  • 2 total stops
  • 30h 45m total
  • United Kingdom to Allentown
Search Deals
19/9
  • 19/9
  • 3 total stops
  • 43h 42m 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 13 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 London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 22/9

06:30-22:16

2 stops20h 46m

Allentown-Bethlehem

Tue 29/9

06:25-06:20

2 stops18h 55m

£702

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Wed 16/9

06:30-22:16

2 stops20h 46m

Allentown-Bethlehem

Wed 30/9

06:25-06:45

2 stops19h 20m

£703
Fastest return journey

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Mon 7/9

09:15-16:27

1 stop12h 12m

Allentown-Bethlehem

Mon 14/9

17:10-11:15

1 stop13h 05m

£721

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Wed 23/9

06:50-16:56

2 stops15h 06m

Allentown-Bethlehem

Wed 30/9

17:43-11:55

1 stop13h 12m

£739

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Mon 7/9

06:55-09:39

2 stops31h 44m

Allentown-Bethlehem

Mon 14/9

17:36-20:40

2 stops22h 04m

£751

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Thu 3/9

08:45-09:57

2 stops30h 12m

Allentown-Bethlehem

Mon 7/9

17:36-20:40

2 stops22h 04m

£777

ManchesterAllentown

MAN Manchester - ABE Allentown-Bethlehem

MANABE

Manchester

Tue 5/1

14:55-12:04

2 stops26h 09m

Allentown-Bethlehem

Sat 16/1

17:40-18:40

2 stops20h 00m

£832

ManchesterAllentown

MAN Manchester - ABE Allentown-Bethlehem

MANABE

Manchester

Mon 4/1

09:05-22:46

2 stops42h 41m

Allentown-Bethlehem

Thu 14/1

13:00-12:45

2 stops18h 45m

£863

EdinburghAllentown

EDI Edinburgh Turnhouse - ABE Allentown-Bethlehem

EDIABE

Edinburgh Turnhouse

Wed 13/1

09:25-10:06

2 stops29h 41m

Allentown-Bethlehem

Sun 17/1

17:36-07:55

2 stops33h 19m

£868

ManchesterAllentown

MAN Manchester - ABE Allentown-Bethlehem

MANABE

Manchester

Tue 22/9

06:05-16:56

2 stops15h 51m

Allentown-Bethlehem

Tue 29/9

17:43-06:30

2 stops55h 47m

£882

Flights are sorted by cheapest return flights first.

Deals found on 9/8

Showing 1-10 of 31 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 and United Airlines fly from United Kingdom to Allentown in about 20h 46m. The time it takes to get you to your destination can typically vary by up to 8h 55m. 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 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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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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