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$339+ Cheap flights from Allentown (ABE) to the United Kingdom

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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — LHR
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Allentown to United Kingdom

Cheapest flights from Allentown to United Kingdom
Explore the most affordable flight options available from Allentown to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. 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.
Wed 12/316:17 amABE - LHR
2 stops22h 03mUnited Airlines
Wed 1/71:30 pmLHR - ABE
2 stops26h 11mUnited Airlines
Deal found 12/11$814
This Delta deal was found by Cheapflights users on 12/10. 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.
Tue 12/1612:54 pmABE - LHR
2 stops18h 01mDelta
Fri 1/91:00 pmLHR - ABE
2 stops29h 06mDelta
Deal found 12/10$847
This Delta deal was found by Cheapflights users on 12/10. 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.
Tue 12/166:25 amABE - LHR
2 stops19h 20mDelta
Thu 1/810:50 amLHR - ABE
2 stops17h 00mDelta
Deal found 12/10$853
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 12/121:00 pmABE - LHR
1 stop13h 55mUnited Airlines
Fri 12/197:25 amLHR - ABE
1 stop14h 05mUnited Airlines
Deal found 12/11$864
This Delta deal was found by Cheapflights users on 12/10. 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.
Tue 12/166:25 amABE - LHR
2 stops19h 20mDelta
Wed 1/710:50 amLHR - ABE
2 stops30h 15mDelta
Deal found 12/10$865
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/161:00 pmABE - LHR
1 stop17h 15mUnited Airlines
Mon 1/121:30 pmLHR - ABE
2 stops31h 52mUnited Airlines
Deal found 12/10$877
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/161:00 pmABE - LHR
1 stop17h 15mUnited Airlines
Fri 1/912:50 pmLHR - ABE
2 stops26h 51mUnited Airlines
Deal found 12/10$878
This Delta deal was found by Cheapflights users on 12/10. 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.
Tue 12/166:25 amABE - LHR
2 stops19h 20mDelta
Sun 1/118:55 amLHR - ABE
1 stop18h 55mDelta
Deal found 12/10$885
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/235:07 pmABE - LHR
1 stop31h 48mUnited Airlines
Sat 1/103:10 pmLHR - ABE
2 stops24h 31mUnited Airlines
Deal found 12/10$892
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/164:30 pmABE - GLA
2 stops19h 25mAmerican Airlines
Mon 12/226:35 amGLA - ABE
2 stops21h 54mAmerican Airlines
Deal found 12/10$1,187
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/164:30 pmABE - GLA
2 stops19h 25mAmerican Airlines
Tue 12/2310:50 amGLA - ABE
2 stops17h 39mAmerican Airlines
Deal found 12/10$1,224
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/174:30 pmABE - GLA
2 stops15h 20mAmerican Airlines
Mon 12/226:35 amGLA - ABE
2 stops21h 54mAmerican Airlines
Deal found 12/10$1,319

Find flight deals from Allentown to United Kingdom

Keep the following information in mind while searching for Allentown to United Kingdom flight deals. Data was last updated December 12, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$622
(Delta)

One-way from

$339
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$729
Provider with most accurate pricing for New York (NYC)-London (LON) flight deals.
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Provider most trusted by Cheapflights users for New York (NYC)-London (LON) flights.
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From Allentown-Bethlehem to United Kingdom
Search Deals
One-way flight from Allentown-Bethlehem to United Kingdom
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 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 Allentown to United Kingdom 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 12, 2025.
Use the filters below to find and compare flights from Allentown to the United Kingdom that are best for you.

Fly from

Allentown

Fly to

United Kingdom

Route

Depart

Return

Price

AllentownManchester

ABE - MAN

ABEMAN

Allentown-Bethlehem

Tue 1/13

5:59 pm-10:30 am

1 stop11h 31m

Manchester

Sun 1/25

1:00 pm-10:50 pm

1 stop14h 50m

$622

AllentownManchester

ABE - MAN

ABEMAN

Allentown-Bethlehem

Wed 1/14

12:50 pm-10:30 am

1 stop16h 40m

Manchester

Sun 1/25

1:00 pm-10:50 pm

1 stop14h 50m

$622

AllentownManchester

ABE - MAN

ABEMAN

Allentown-Bethlehem

Sat 1/24

5:59 pm-10:30 am

1 stop11h 31m

Manchester

Sat 1/31

1:30 pm-10:10 pm

1 stop13h 40m

$622

AllentownManchester

ABE - MAN

ABEMAN

Allentown-Bethlehem

Sat 1/24

12:50 pm-10:10 am

2 stops16h 20m

Manchester

Sat 1/31

1:30 pm-10:10 pm

1 stop13h 40m

$626

AllentownManchester

ABE - MAN

ABEMAN

Allentown-Bethlehem

Tue 1/13

12:50 pm-10:30 am

1 stop16h 40m

Manchester

Sat 1/24

1:30 pm-12:05 pm

1 stop27h 35m

$627

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Tue 3/17

6:25 am-6:25 am

1 stop20h 00m

London Heathrow

Wed 3/25

8:40 am-10:47 pm

2 stops18h 07m

$629

AllentownGlasgow

ABE - GLA

ABEGLA

Allentown-Bethlehem

Sun 1/25

5:59 pm-4:35 pm

2 stops17h 36m

Glasgow Intl

Sun 2/1

6:05 am-10:50 pm

2 stops21h 45m

$633

AllentownEdinburgh

ABE - EDI

ABEEDI

Allentown-Bethlehem

Mon 3/16

5:54 pm-10:40 am

2 stops36h 46m

Edinburgh Turnhouse

Mon 3/23

1:30 pm-10:47 pm

2 stops37h 17m

$633

AllentownEdinburgh

ABE - EDI

ABEEDI

Allentown-Bethlehem

Sat 1/24

12:50 pm-10:40 am

2 stops16h 50m

Edinburgh Turnhouse

Sat 1/31

11:00 am-5:14 pm

2 stops35h 14m

$634

AllentownManchester

ABE - MAN

ABEMAN

Allentown-Bethlehem

Sat 1/24

12:50 pm-10:10 am

2 stops16h 20m

Manchester

Sat 1/31

5:05 pm-5:14 pm

2 stops29h 09m

$654

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 48 results
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Best time to book a flight from Allentown to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Allentown 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 Allentown to the United Kingdom

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

Currently, October is the cheapest month in which you can book a flight from Allentown to United Kingdom (average of $179). Flying from Allentown to United Kingdom in May is currently the most expensive (average of $486). 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.

What is the cheapest time of day to fly from ABE to GB?

Find hourly flight availability from Allentown to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

One of the essential ways to save on airfare from Allentown to United Kingdom is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 15% on airfare.

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to United Kingdom. Reviews last updated December 12, 2025.
Read reviews from past customers who have flown Delta and United Airlines from Allentown to the United Kingdom. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Allentown to United Kingdom. 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 from for flights from Allentown to United Kingdom?

    Most people fly from Allentown-Bethlehem (ABE) if they book a flight from Allentown to United Kingdom. Allentown-Bethlehem is conveniently located just 3.9 mi from Allentown’s city center.

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

    Delta and KLM can get you from Allentown to United Kingdom in just under 11h 31m. Your travel time can differ by up to 8h 51m. The distance between Allentown and United Kingdom is about 3395 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The most popular flight routes from Allentown to United Kingdom are Allentown-Bethlehem - London Heathrow, Allentown-Bethlehem - Manchester and Allentown-Bethlehem - Edinburgh Turnhouse.

  • Can I find deals for flights from Allentown to United Kingdom that include hotel bookings?

    Yes. In addition to deals on Allentown to United Kingdom flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Allentown to United Kingdom?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Allentown to United Kingdom.

  • Can I find deals for business class flights from Allentown to United Kingdom?

    Yes. Cheapflights offers flight deals from Allentown to United Kingdom 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 Allentown to United Kingdom?

    Currently, October is the cheapest month in which you can book a flight from Allentown to United Kingdom (average of $179). Flying from Allentown to United Kingdom in May is currently the most expensive (average of $486). 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 Allentown to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Allentown to United Kingdom

Discover the top 2 airlines that operate flights from Allentown to United Kingdom. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$581Average$724FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$690Average$824FlexibilityNo cancel feeOn-time69%

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