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$539+ 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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — LHR
abr. 30 — may. 71
mié. 4/30
mié. 5/7
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 abril 25, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$602
(Delta)

One-way from

$539
(KLM)

Popular in

January

Cheapest in

February

Average price

$1,793
Provider with most accurate pricing for Allentown-Bethlehem-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Allentown-Bethlehem-London (LON) flights.
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From Allentown-Bethlehem to United Kingdom
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One-way flight from Allentown-Bethlehem to United Kingdom
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Highest demand for flights based on searches. 25% potential increase in price ($400 potential increase over avg. RT price).
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Cheapest flight prices on average. 14% potential price decrease ($151 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 abril 25, 2025.

This Delta deal was found by Cheapflights users on 4/25. 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. 9/31:00 pmABE - LHR
1 stop19h 30mDelta
jue. 9/116:30 amLHR - ABE
2 stops15h 44mDelta
Deal found 4/25$602
This KLM deal was found by Cheapflights users on 4/24. 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. 9/101:00 pmABE - LHR
1 stop12h 45mKLM
lun. 9/151:05 pmLHR - ABE
1 stop15h 18mKLM
Deal found 4/24$659
This Delta deal was found by Cheapflights users on 4/25. 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.
lun. 4/286:15 amABE - MAN
1 stop21h 20mDelta
mar. 5/612:35 pmMAN - ABE
1 stop14h 43mDelta
Deal found 4/25$814
This Mytrip deal was found by Cheapflights users on 4/24. 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.
lun. 9/1512:54 pmABE - LGW
3 stops44h 46mMultiple Airlines
sáb. 9/202:00 pmLGW - ABE
2 stops25h 26mMultiple Airlines
Deal found 4/24$934
This United Airlines deal was found by Cheapflights users on 4/24. 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. 4/255:32 pmABE - LHR
1 stop13h 13mUnited Airlines
vie. 5/26:50 amLHR - ABE
2 stops15h 07mUnited Airlines
Deal found 4/24$978
This United Airlines deal was found by Cheapflights users on 4/25. 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.
lun. 6/96:30 amABE - EDI
1 stop20h 55mUnited Airlines
lun. 6/169:00 amEDI - ABE
2 stops36h 59mUnited Airlines
Deal found 4/25$1,153
This KLM deal was found by Cheapflights users on 4/25. 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.
lun. 6/96:05 pmABE - EDI
1 stop13h 00mKLM
lun. 6/1610:00 amEDI - ABE
1 stop17h 29mKLM
Deal found 4/25$1,169
This Delta deal was found by Cheapflights users on 4/23. 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. 6/56:00 amABE - GLA
2 stops21h 10mDelta
mié. 6/116:00 amGLA - ABE
2 stops16h 25mDelta
Deal found 4/23$1,179
This American Airlines deal was found by Cheapflights users on 4/23. 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. 6/58:02 pmABE - GLA
2 stops15h 03mAmerican Airlines
jue. 6/1210:00 amGLA - ABE
2 stops19h 20mAmerican Airlines
Deal found 4/23$1,288
This American Airlines deal was found by Cheapflights users on 4/25. 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.
mié. 5/215:27 pmABE - LHR
1 stop10h 38mAmerican Airlines
sáb. 5/313:00 pmLHR - ABE
1 stop14h 40mAmerican Airlines
Deal found 4/25$1,340
This United Airlines deal was found by Cheapflights users on 4/25. 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.
lun. 6/95:35 pmABE - MAN
2 stops18h 50mUnited Airlines
lun. 6/166:05 amMAN - ABE
2 stops15h 54mUnited Airlines
Deal found 4/25$1,401
This Mytrip deal was found by Cheapflights users on 4/24. 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.
lun. 4/2812:36 pmABE - LHR
3 stops40h 24mMultiple Airlines
vie. 5/910:05 pmLHR - ABE
2 stops26h 44mMultiple Airlines
Deal found 4/24$1,584

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 abril 25, 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

mié. 9/3

1:00 pm-1:30 pm

1 stop19h 30m

London Heathrow

jue. 9/11

6:30 am-5:14 pm

2 stops15h 44m

$602

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

mié. 9/10

1:00 pm-6:45 am

1 stop12h 45m

London Heathrow

lun. 9/15

1:05 pm-11:23 pm

1 stop15h 18m

$659

AllentownLondon

ABE - LGW

ABELGW

Allentown-Bethlehem

lun. 9/15

12:54 pm-2:40 pm

3 stops44h 46m

London Gatwick

sáb. 9/20

2:00 pm-10:26 am

2 stops25h 26m

$934

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

mié. 5/7

5:32 pm-11:45 am

1 stop13h 13m

London Heathrow

mié. 5/14

6:50 am-4:57 pm

2 stops15h 07m

$1,013

AllentownEdinburgh

ABE - EDI

ABEEDI

Allentown-Bethlehem

lun. 6/9

6:30 am-8:25 am

1 stop20h 55m

Edinburgh Turnhouse

lun. 6/16

9:00 am-4:59 pm

2 stops36h 59m

$1,153

AllentownEdinburgh

ABE - EDI

ABEEDI

Allentown-Bethlehem

lun. 6/9

6:05 pm-12:05 pm

1 stop13h 00m

Edinburgh Turnhouse

lun. 6/16

10:00 am-10:29 pm

1 stop17h 29m

$1,169

AllentownGlasgow

ABE - GLA

ABEGLA

Allentown-Bethlehem

jue. 6/5

6:00 am-8:10 am

2 stops21h 10m

Glasgow Intl

mié. 6/11

6:00 am-5:25 pm

2 stops16h 25m

$1,179

AllentownGlasgow

ABE - GLA

ABEGLA

Allentown-Bethlehem

jue. 6/5

8:02 pm-4:05 pm

2 stops15h 03m

Glasgow Intl

jue. 6/12

10:00 am-12:20 am

2 stops19h 20m

$1,288

AllentownManchester

ABE - MAN

ABEMAN

Allentown-Bethlehem

vie. 7/11

1:00 pm-8:35 am

1 stop14h 35m

Manchester

sáb. 7/19

12:35 pm-11:27 pm

1 stop15h 52m

$1,320

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

mié. 5/21

5:27 pm-9:05 am

1 stop10h 38m

London Heathrow

sáb. 5/31

3:00 pm-12:40 am

1 stop14h 40m

$1,340

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 20 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.

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 $1,110). 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 abril 25, 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 abril 25, 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
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

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
1,334 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

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
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

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
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

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 KLM. According to our data, you can fly for as low as $539. Users have also found prices from $623 and $898 on Delta 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 - Manchester and Allentown-Bethlehem - London City.

  • 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 $1,110). 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 abril 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$575Average$808FlexibilityNo cancel feeOn-time69%
DeltaCheapest$597Average$777FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$639Average$782FlexibilityNo cancel feeOn-time71%

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