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$459+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — LHR
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$579
(Trip.com)

One-way from

$459
(Delta)
From Allentown-Bethlehem to United Kingdom
Search Deals
One-way flight from Allentown-Bethlehem to United Kingdom
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Find 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 September 11, 2025.

This Trip.com deal was found by Cheapflights users on 9/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2612:46 pmABE - LHR
1 stop13h 39mVirgin Atlantic
Sun 11/28:55 amLHR - ABE
1 stop18h 20mVirgin Atlantic
Deal found 9/11$579
This Trip.com deal was found by Cheapflights users on 9/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/212:46 pmABE - LHR
1 stop15h 14mVirgin Atlantic
Tue 11/188:55 amLHR - ABE
1 stop13h 24mVirgin Atlantic
Deal found 9/11$622
This Netflights deal was found by Cheapflights users on 9/11. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:00 amABE - LHR
2 stops30h 05mMultiple Airlines
Sun 11/212:30 pmLHR - ABE
1 stop14h 45mMultiple Airlines
Deal found 9/11$643
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/26:00 pmABE - LHR
1 stop34h 00mDelta
Tue 11/189:00 amLHR - ABE
2 stops18h 12mDelta
Deal found 9/11$649
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/265:53 pmABE - EDI
2 stops15h 22mAmerican Airlines
Sun 11/29:15 amEDI - ABE
2 stops18h 38mAmerican Airlines
Deal found 9/11$658
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Thu 10/21:00 pmABE - LHR
1 stop12h 20mUnited Airlines
Wed 10/228:40 amLHR - ABE
2 stops30h 58mUnited Airlines
Deal found 9/11$660
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/275:53 pmABE - GLA
2 stops15h 12mAmerican Airlines
Mon 11/311:35 amGLA - ABE
2 stops16h 17mAmerican Airlines
Deal found 9/11$677
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/301:00 pmABE - LHR
1 stop12h 55mUnited Airlines
Mon 11/31:30 pmLHR - ABE
2 stops32h 17mUnited Airlines
Deal found 9/10$685
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 10/265:22 pmABE - LHR
1 stop13h 53mUnited Airlines
Sun 11/25:50 amLHR - ABE
2 stops14h 57mUnited Airlines
Deal found 9/11$691
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 10/251:00 pmABE - LHR
1 stop12h 55mUnited Airlines
Sat 11/16:50 amLHR - ABE
2 stops18h 51mUnited Airlines
Deal found 9/9$692
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/86:30 amABE - LHR
2 stops18h 25mUnited Airlines
Tue 10/218:45 amLHR - ABE
2 stops30h 53mUnited Airlines
Deal found 9/11$699
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/25:00 amABE - LCY
2 stops20h 15mDelta
Tue 11/187:45 amLCY - ABE
2 stops19h 27mDelta
Deal found 9/11$731

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 September 11, 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

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Sun 10/26

12:46 pm-6:25 am

1 stop13h 39m

London Heathrow

Sun 11/2

8:55 am-10:15 pm

1 stop18h 20m

$579

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Sun 10/26

6:00 am-4:05 pm

2 stops30h 05m

London Heathrow

Sun 11/2

12:30 pm-10:15 pm

1 stop14h 45m

$643

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Sun 11/2

6:00 pm-9:00 am

1 stop34h 00m

London Heathrow

Tue 11/18

9:00 am-10:12 pm

2 stops18h 12m

$649

AllentownEdinburgh

ABE - EDI

ABEEDI

Allentown-Bethlehem

Sun 10/26

5:53 pm-1:15 pm

2 stops15h 22m

Edinburgh Turnhouse

Sun 11/2

9:15 am-10:53 pm

2 stops18h 38m

$658

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Thu 10/2

1:00 pm-6:20 am

1 stop12h 20m

London Heathrow

Wed 10/22

8:40 am-10:38 am

2 stops30h 58m

$660

AllentownGlasgow

ABE - GLA

ABEGLA

Allentown-Bethlehem

Mon 10/27

5:53 pm-1:05 pm

2 stops15h 12m

Glasgow Intl

Mon 11/3

11:35 am-10:52 pm

2 stops16h 17m

$677

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Thu 10/30

1:00 pm-5:55 am

1 stop12h 55m

London Heathrow

Mon 11/3

1:30 pm-4:47 pm

2 stops32h 17m

$685

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Sun 10/26

5:22 pm-11:15 am

1 stop13h 53m

London Heathrow

Sun 11/2

5:50 am-4:47 pm

2 stops14h 57m

$691

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Sat 10/25

1:00 pm-6:55 am

1 stop12h 55m

London Heathrow

Sat 11/1

6:50 am-9:41 pm

2 stops18h 51m

$692

AllentownLondon

ABE - LCY

ABELCY

Allentown-Bethlehem

Sun 11/2

5:00 am-6:15 am

2 stops20h 15m

London City

Tue 11/18

7:45 am-10:12 pm

2 stops19h 27m

$731

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 27 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, November is the cheapest month in which you can book a flight from Allentown to United Kingdom (average of $661). Flying from Allentown to United Kingdom in June is currently the most expensive (average of $1,098). 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 September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Allentown to United Kingdom as you normally would.

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 September 11, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American 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
8.0
Very good
7,960 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    Virgin Atlantic, Delta, and American Airlines can get you from Allentown to United Kingdom in just under 13h 39m. Your travel time can differ by up to 20h 21m. The distance between Allentown and United Kingdom is about 3507 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 - Glasgow Intl.

  • 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, November is the cheapest month in which you can book a flight from Allentown to United Kingdom (average of $661). Flying from Allentown to United Kingdom in June is currently the most expensive (average of $1,098). 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

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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 3 airlines flying from Allentown to United Kingdom

Discover the top 3 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$581Average$724FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$588Average$758FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$690Average$817FlexibilityNo cancel feeOn-time69%

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