HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
United Kingdom

$488+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — LHR
feb. 4 — feb. 111
mar. 2/4
mar. 2/11
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

Discover tips and strategies to find the most affordable flight options for your journey from Allentown (ABE) to United Kingdom (GB0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$581
(Delta)

One-way from

$488
(Delta)

Popular in

January

Cheapest in

February

Average price

$2,659
Provider with most accurate pricing for Allentown-Bethlehem-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Allentown-Bethlehem-London (LON) flights.
Search Deals
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. 22% potential increase in price ($362 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease ($161 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2025
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 enero 30, 2025.

This Delta deal was found by Cheapflights users on 1/30. 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.
mié. 3/51:18 pmABE - LHR
1 stop12h 02mDelta
mié. 3/126:30 amLHR - ABE
2 stops19h 59mDelta
Deal found 1/30$581
This KLM deal was found by Cheapflights users on 1/30. 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.
mié. 3/51:18 pmABE - LHR
1 stop13h 37mKLM
mié. 3/1212:30 pmLHR - ABE
1 stop13h 59mKLM
Deal found 1/30$594
This Delta deal was found by Cheapflights users on 1/30. 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.
mié. 3/56:15 amABE - LCY
2 stops20h 00mDelta
mié. 3/129:20 amLCY - ABE
2 stops17h 09mDelta
Deal found 1/30$633
This United Airlines deal was found by Cheapflights users on 1/30. 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.
vie. 4/185:32 pmABE - LHR
1 stop13h 13mUnited Airlines
dom. 4/2711:05 amLHR - ABE
1 stop15h 20mUnited Airlines
Deal found 1/30$776
This American Airlines deal was found by Cheapflights users on 1/29. 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.
dom. 3/165:16 pmABE - GLA
2 stops17h 19mAmerican Airlines
dom. 3/239:20 amGLA - ABE
2 stops19h 01mAmerican Airlines
Deal found 1/29$833
This United Airlines deal was found by Cheapflights users on 1/30. 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.
dom. 3/165:38 pmABE - MAN
2 stops19h 02mUnited Airlines
dom. 3/236:00 amMAN - ABE
2 stops19h 34mUnited Airlines
Deal found 1/30$1,044
This Mytrip deal was found by Cheapflights users on 1/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/167:30 amABE - GLA
3 stops26h 25mMultiple Airlines
dom. 3/239:25 amGLA - ABE
3 stops32h 48mMultiple Airlines
Deal found 1/29$1,381
This United Airlines deal was found by Cheapflights users on 1/30. 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.
vie. 6/136:44 amABE - EDI
2 stops20h 21mUnited Airlines
vie. 6/209:00 amEDI - ABE
2 stops37h 09mUnited Airlines
Deal found 1/30$1,421
This Delta deal was found by Cheapflights users on 1/30. 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.
jue. 6/126:30 amABE - EDI
1 stop20h 30mDelta
vie. 6/2010:00 amEDI - ABE
1 stop18h 27mDelta
Deal found 1/30$1,442
This American Airlines deal was found by Cheapflights users on 1/29. 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.
jue. 6/1912:12 pmABE - LHR
1 stop15h 53mAmerican Airlines
jue. 7/249:15 amLHR - ABE
1 stop13h 45mAmerican Airlines
Deal found 1/29$1,461
This Mytrip deal was found by Cheapflights users on 1/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/52:51 pmABE - LHR
2 stops16h 54mMultiple Airlines
mié. 3/128:40 pmLHR - ABE
3 stops30h 01mMultiple Airlines
Deal found 1/30$1,486
This The Travel House deal was found by Cheapflights users on 1/30. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/75:05 pmABE - LHR
1 stop10h 20mLufthansa
vie. 3/76:30 amLHR - ABE
2 stops19h 55mLufthansa
Deal found 1/30$1,514

Find flights from Allentown to United Kingdom within your budget

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 enero 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

mié. 3/5

1:18 pm-6:20 am

1 stop12h 02m

London Heathrow

mié. 3/12

6:30 am-10:29 pm

2 stops19h 59m

$581

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

mié. 3/5

1:18 pm-7:55 am

1 stop13h 37m

London Heathrow

mié. 3/12

12:30 pm-10:29 pm

1 stop13h 59m

$594

AllentownLondon

ABE - LCY

ABELCY

Allentown-Bethlehem

mié. 3/5

6:15 am-7:15 am

2 stops20h 00m

London City

mié. 3/12

9:20 am-10:29 pm

2 stops17h 09m

$633

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

vie. 4/18

5:32 pm-11:45 am

1 stop13h 13m

London Heathrow

dom. 4/27

11:05 am-9:25 pm

1 stop15h 20m

$776

AllentownGlasgow

ABE - GLA

ABEGLA

Allentown-Bethlehem

dom. 3/16

5:16 pm-2:35 pm

2 stops17h 19m

Glasgow Intl

dom. 3/23

9:20 am-12:21 am

2 stops19h 01m

$833

AllentownManchester

ABE - MAN

ABEMAN

Allentown-Bethlehem

dom. 3/16

5:38 pm-4:40 pm

2 stops19h 02m

Manchester

dom. 3/23

6:00 am-9:34 pm

2 stops19h 34m

$1,044

AllentownGlasgow

ABE - GLA

ABEGLA

Allentown-Bethlehem

dom. 3/16

7:30 am-1:55 pm

3 stops26h 25m

Glasgow Intl

dom. 3/23

9:25 am-2:13 pm

3 stops32h 48m

$1,381

AllentownEdinburgh

ABE - EDI

ABEEDI

Allentown-Bethlehem

vie. 6/13

6:44 am-8:05 am

2 stops20h 21m

Edinburgh Turnhouse

vie. 6/20

9:00 am-5:09 pm

2 stops37h 09m

$1,421

AllentownEdinburgh

ABE - EDI

ABEEDI

Allentown-Bethlehem

jue. 6/12

6:30 am-8:00 am

1 stop20h 30m

Edinburgh Turnhouse

vie. 6/20

10:00 am-11:27 pm

1 stop18h 27m

$1,442

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

jue. 6/19

12:12 pm-9:05 am

1 stop15h 53m

London Heathrow

jue. 7/24

9:15 am-6:00 pm

1 stop13h 45m

$1,461

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 19 results
1
2

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.

Travel insights for flights from Allentown to United Kingdom

Get recent, data-driven insights about flights from Allentown to United Kingdom including ideal travel times, pricing trends, and more.

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 $1,138). 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 enero 30, 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 enero 30, 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
8,450 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,450 reviews
Delta
8.0
Very good
8,450 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,335 reviews
Delta
8.0
Very good
8,450 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,906 reviews
Delta
8.0
Very good
8,450 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,450 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $488. Users have also found prices from $4,744 and $5,443 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 City 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 $1,138). 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 Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
Newark to Heathrow flights
Newark to Charles de Gaulle flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Gatwick flights
Newark to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Istanbul flights
LaGuardia to Heathrow flights
John F Kennedy Intl to London City flights
John F Kennedy Intl to Orly flights
Newark to Orly flights
Newark to Gatwick flights
Dulles Intl to Heathrow flights
Newark to Athens flights
John F Kennedy Intl to Lisbon flights
LaGuardia to Charles de Gaulle flights
Newark to Barcelona-El Prat flights
John F Kennedy Intl to Madrid flights
Newark to Lisbon flights
John F Kennedy Intl to Barcelona-El Prat flights
Newark to Madrid flights
Dulles Intl to Charles de Gaulle flights
Newark to London City flights
John F Kennedy Intl to Athens flights
John F Kennedy Intl to Dublin flights
Newark to Malpensa flights
Newark to Dublin flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Malpensa flights
John F Kennedy Intl to Luton flights
John F Kennedy Intl to Amsterdam flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
Newark to Frankfurt flights
Newark to Amsterdam flights
Newark to Luton flights
Reagan-National to Heathrow flights
LaGuardia to Barcelona-El Prat flights
Dulles Intl to Madrid flights
John F Kennedy Intl to Zurich flights
LaGuardia to Lisbon flights
Dulles Intl to Athens flights
Dulles Intl to Lisbon flights
LaGuardia to Athens flights
LaGuardia to Gatwick flights
Dulles Intl to Gatwick flights
Dulles Intl to London City flights
LaGuardia to Madrid flights
Dulles Intl to Istanbul flights
Dulles Intl to Dublin flights

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 enero 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$575Average$799FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$639Average$842FlexibilityNo cancel feeOn-time71%
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.