HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
United Kingdom

$504+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — LHR
juin 17 — juin 241
mar. 6/17
mar. 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Allentown to United Kingdom with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 juin 12, 2025.

Round-trip from

$740
(American Airlines)

One-way from

$504
(Delta)

Popular in

January

Cheapest in

February
From Allentown-Bethlehem to United Kingdom
Search Deals
One-way flight from Allentown-Bethlehem to United Kingdom
Search Deals
Highest demand for flights based on searches. 34% potential increase in price ($535 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 21% potential price decrease ($183 potential savings vs. average RT price).
Search Deals

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 juin 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/12. 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.
mar. 9/22:56 pmABE - LHR
1 stop11h 44mAmerican Airlines
ven. 9/1211:00 amLHR - ABE
1 stop12h 30mAmerican Airlines
Deal found 6/12$740
This Trip.com deal was found by Cheapflights users on 6/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 10/45:28 pmABE - LHR
1 stop31h 52mUnited Airlines
mar. 10/148:30 amLHR - ABE
1 stop13h 23mUnited Airlines
Deal found 6/10$750
This Delta deal was found by Cheapflights users on 6/11. 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.
mer. 9/102:30 pmABE - LHR
1 stop11h 15mDelta
lun. 9/1512:25 pmLHR - ABE
2 stops28h 43mDelta
Deal found 6/11$805
This Trip.com deal was found by Cheapflights users on 6/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/88:00 amABE - LGW
1 stop21h 00mMultiple Airlines
mar. 7/152:00 pmLGW - ABE
1 stop30h 11mMultiple Airlines
Deal found 6/10$807
This Delta deal was found by Cheapflights users on 6/11. 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.
jeu. 9/256:30 amABE - EDI
1 stop20h 30mDelta
jeu. 10/29:00 amEDI - ABE
1 stop13h 14mDelta
Deal found 6/11$813
This Delta deal was found by Cheapflights users on 6/11. 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.
jeu. 9/256:30 amABE - GLA
2 stops28h 40mDelta
jeu. 10/26:00 amGLA - ABE
2 stops35h 08mDelta
Deal found 6/11$825
This KLM deal was found by Cheapflights users on 6/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/22:30 pmABE - LHR
1 stop18h 00mKLM
ven. 9/126:30 amLHR - ABE
2 stops15h 44mKLM
Deal found 6/12$831
This American Airlines deal was found by Cheapflights users on 6/10. 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.
ven. 7/258:03 pmABE - NCL
2 stops18h 37mAmerican Airlines
ven. 8/15:55 amNCL - ABE
2 stops18h 38mAmerican Airlines
Deal found 6/10$879
This American Airlines deal was found by Cheapflights users on 6/11. 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.
jeu. 9/257:59 pmABE - GLA
2 stops15h 06mAmerican Airlines
ven. 10/35:50 amGLA - ABE
2 stops21h 00mAmerican Airlines
Deal found 6/11$947
This KLM deal was found by Cheapflights users on 6/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 7/266:14 pmABE - EDI
1 stop12h 51mKLM
sam. 8/29:00 amEDI - ABE
1 stop18h 30mKLM
Deal found 6/11$983
This American Airlines deal was found by Cheapflights users on 6/11. 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.
sam. 7/268:03 pmABE - EDI
2 stops17h 12mAmerican Airlines
sam. 8/27:05 amEDI - ABE
2 stops17h 28mAmerican Airlines
Deal found 6/11$1,010
This United Airlines deal was found by Cheapflights users on 6/10. 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.
ven. 7/256:30 amABE - MAN
2 stops22h 50mUnited Airlines
ven. 8/16:05 amMAN - ABE
2 stops20h 50mUnited Airlines
Deal found 6/10$1,103

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 juin 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

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

mar. 9/2

2:56 pm-7:40 am

1 stop11h 44m

London Heathrow

ven. 9/12

11:00 am-6:30 pm

1 stop12h 30m

$740

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

sam. 10/4

5:28 pm-6:20 am

1 stop31h 52m

London Heathrow

mar. 10/14

8:30 am-4:53 pm

1 stop13h 23m

$750

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

mer. 9/10

2:30 pm-6:45 am

1 stop11h 15m

London Heathrow

lun. 9/15

12:25 pm-12:08 pm

2 stops28h 43m

$805

AllentownLondon

ABE - LGW

ABELGW

Allentown-Bethlehem

mar. 7/8

8:00 am-10:00 am

1 stop21h 00m

London Gatwick

mar. 7/15

2:00 pm-3:11 pm

1 stop30h 11m

$807

AllentownEdinburgh

ABE - EDI

ABEEDI

Allentown-Bethlehem

jeu. 9/25

6:30 am-8:00 am

1 stop20h 30m

Edinburgh Turnhouse

jeu. 10/2

9:00 am-5:14 pm

1 stop13h 14m

$813

AllentownGlasgow

ABE - GLA

ABEGLA

Allentown-Bethlehem

jeu. 9/25

6:30 am-4:10 pm

2 stops28h 40m

Glasgow Intl

jeu. 10/2

6:00 am-12:08 pm

2 stops35h 08m

$825

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

mar. 9/2

2:30 pm-1:30 pm

1 stop18h 00m

London Heathrow

ven. 9/12

6:30 am-5:14 pm

2 stops15h 44m

$831

AllentownNewcastle upon Tyne

ABE - NCL

ABENCL

Allentown-Bethlehem

ven. 7/25

8:03 pm-7:40 pm

2 stops18h 37m

Newcastle upon Tyne

ven. 8/1

5:55 am-7:33 pm

2 stops18h 38m

$879

AllentownGlasgow

ABE - GLA

ABEGLA

Allentown-Bethlehem

jeu. 9/25

7:59 pm-4:05 pm

2 stops15h 06m

Glasgow Intl

ven. 10/3

5:50 am-9:50 pm

2 stops21h 00m

$947

AllentownEdinburgh

ABE - EDI

ABEEDI

Allentown-Bethlehem

sam. 7/26

6:14 pm-12:05 pm

1 stop12h 51m

Edinburgh Turnhouse

sam. 8/2

9:00 am-10:30 pm

1 stop18h 30m

$983

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 25 results
1
2
3

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 $1,108). 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 juin 12, 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.

Rainfall in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in United Kingdom ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit United Kingdom when rainfall is around 1.6 in.

Temperature in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average temperature totals by month.

If weather is an important factor for your trip to United Kingdom, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 juin 12, 2025.
See what other customers who have flown with Delta, KLM and United Airlines from Allentown to United Kingdom have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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!
WestJet
7.2
Good
2,868 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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.

  • What are the cheapest airlines to fly from Allentown to United Kingdom one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $504. Users have also found prices from $513 and $518 on American Airlines and United Airlines, respectively.

  • 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 - London Gatwick 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, 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 $1,108). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Allentown to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Charles de Gaulle flights
John F Kennedy Intl to Heathrow flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
Newark to Heathrow flights
Newark to Charles de Gaulle flights
Newark to Leonardo da Vinci/Fiumicino flights
Newark to Orly flights
John F Kennedy Intl to Athens flights
Newark to Athens flights
John F Kennedy Intl to Istanbul flights
John F Kennedy Intl to Gatwick flights
John F Kennedy Intl to Barcelona-El Prat flights
LaGuardia to Heathrow flights
John F Kennedy Intl to Lisbon flights
John F Kennedy Intl to London City flights
John F Kennedy Intl to Orly flights
Newark to Lisbon flights
LaGuardia to Charles de Gaulle flights
Newark to Gatwick flights
Dulles Intl to Heathrow flights
Newark to Barcelona-El Prat flights
John F Kennedy Intl to Madrid flights
Dulles Intl to Charles de Gaulle flights
John F Kennedy Intl to Dublin flights
John F Kennedy Intl to Frederic Chopin flights
Newark to Dublin flights
John F Kennedy Intl to Malpensa flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
Newark to Malpensa flights
Newark to Madrid flights
Newark to Frankfurt flights
LaGuardia to Gatwick flights
John F Kennedy Intl to Stansted flights
John F Kennedy Intl to Vicenza flights
LaGuardia to Athens flights
John F Kennedy Intl to Frankfurt flights
Dulles Intl to Istanbul flights
LaGuardia to Lisbon flights
Dulles Intl to Athens flights
Dulles Intl to Madrid flights
John F Kennedy Intl to Amsterdam flights
Newark to London City flights
Newark to Vicenza flights
Dulles Intl to Gatwick flights
LaGuardia to Barcelona-El Prat flights
Newark to Keflavik Intl flights
John F Kennedy Intl to Zurich flights
John F Kennedy Intl to Naples flights
Dulles Intl to London City flights

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 juin 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$588Average$780FlexibilityNo cancel feeOn-time71%
DeltaCheapest$597Average$742FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$674Average$770FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.