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Allentown

$517+ Cheap flights from the United Kingdom to Allentown (ABE)

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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ABE
Jan 19 — Jan 261
Mon 1/19
Mon 1/26
1 adult, Economy
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Cheap flight deals from United Kingdom to Allentown

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 December 20, 2025.

This Delta deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:30 amLHR - ABE
2 stops15h 54mDelta
Tue 1/65:59 pmABE - LHR
1 stop31h 26mDelta
Deal found 12/20$725
This Delta deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:30 amLHR - ABE
2 stops15h 54mDelta
Wed 1/712:50 pmABE - LHR
2 stops15h 30mDelta
Deal found 12/20$940
This Delta deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:55 amLHR - ABE
2 stops18h 51mDelta
Wed 1/712:50 pmABE - LHR
1 stop12h 35mDelta
Deal found 12/20$974
This United Airlines deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:25 amLHR - ABE
1 stop16h 22mUnited Airlines
Wed 1/74:57 pmABE - LHR
1 stop13h 18mUnited Airlines
Deal found 12/20$1,085
This Delta deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:40 amLHR - ABE
2 stops19h 06mDelta
Sun 1/46:25 amABE - LHR
2 stops23h 20mDelta
Deal found 12/18$1,099
This United Airlines deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:25 amLHR - ABE
1 stop16h 22mUnited Airlines
Wed 1/711:30 amABE - LHR
1 stop13h 25mUnited Airlines
Deal found 12/20$1,123
This Delta deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:55 amLHR - ABE
2 stops18h 51mDelta
Tue 1/612:50 pmABE - LHR
2 stops16h 25mDelta
Deal found 12/20$1,229

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 December 20, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$832
(United Airlines)

One-way from

$517
(Delta)

Popular in

July

Cheapest in

September

Average price

$641
Provider with most accurate pricing for London (LON)-New York (NYC) flight deals.
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Provider most trusted by Cheapflights users for London (LON)-New York (NYC) flights.
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From United Kingdom to Allentown-Bethlehem
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One-way flight from United Kingdom to Allentown-Bethlehem
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Highest demand for flights based on searches. 7% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated December 20, 2025.
Use the filters below to find and compare flights from the United Kingdom to Allentown that are best for you.

Fly from

United Kingdom

Fly to

Allentown

Route

Depart

Return

Price

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 1/22

9:00 am-10:41 am

2 stops30h 41m

Allentown-Bethlehem

Mon 1/26

4:57 pm-5:55 am

1 stop31h 58m

$832

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 1/17

1:35 pm-10:41 am

1 stop26h 06m

Allentown-Bethlehem

Sat 1/24

11:30 am-5:55 am

1 stop13h 25m

$869

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Tue 2/3

9:00 am-9:05 pm

2 stops17h 05m

Allentown-Bethlehem

Tue 2/10

4:57 pm-11:15 am

1 stop13h 18m

$937

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Thu 1/22

6:00 am-10:41 am

2 stops33h 41m

Allentown-Bethlehem

Mon 1/26

4:57 pm-12:20 pm

2 stops38h 23m

$989

BirminghamAllentown

BHX - ABE

BHXABE

Birmingham

Tue 2/3

6:00 am-9:05 pm

2 stops20h 05m

Allentown-Bethlehem

Tue 2/10

11:30 am-12:35 pm

2 stops20h 05m

$1,020

BirminghamAllentown

BHX - ABE

BHXABE

Birmingham

Thu 1/22

6:00 am-10:41 am

2 stops33h 41m

Allentown-Bethlehem

Mon 1/26

4:57 pm-12:35 pm

2 stops38h 38m

$1,020

BirminghamAllentown

BHX - ABE

BHXABE

Birmingham

Thu 1/15

6:00 am-10:41 am

2 stops33h 41m

Allentown-Bethlehem

Mon 1/19

11:30 am-12:45 pm

2 stops20h 15m

$1,053

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Sun 2/1

6:00 am-10:41 am

2 stops57h 41m

Allentown-Bethlehem

Sun 2/8

4:57 pm-8:45 am

2 stops34h 48m

$1,058

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Sat 1/17

1:00 pm-9:05 pm

2 stops37h 05m

Allentown-Bethlehem

Sat 1/24

11:30 am-12:10 pm

2 stops19h 40m

$1,146

BirminghamAllentown

BHX - ABE

BHXABE

Birmingham

Mon 1/5

5:40 pm-5:18 pm

2 stops28h 38m

Allentown-Bethlehem

Sat 1/10

2:00 pm-9:15 pm

2 stops26h 15m

$1,772

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 23 results
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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 round-trip 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 $300). Flying from United Kingdom to Allentown in June is currently the most expensive (average of $478). 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?

    Allentown-Bethlehem (ABE) is the airport you will fly into if you book a flight from United Kingdom to Allentown. It is only a 3.9 mi journey from Allentown-Bethlehem (ABE) to Allentown’s city center.

  • How long is the flight from United Kingdom to Allentown?

    A quick flight from United Kingdom to Allentown can take about 28h 38m. United Airlines provides one of the quickest options available for as low as $1,772. Airlines will cover a distance of 3434 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from United Kingdom to Allentown?

    While some choose either London Heathrow - Allentown-Bethlehem or Manchester - Allentown-Bethlehem, Birmingham - Allentown-Bethlehem is the most popular route from United Kingdom to Allentown.

  • 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 vacation 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 $300). Flying from United Kingdom to Allentown in June is currently the most expensive (average of $478). 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.

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