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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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — LHR
Mar 9 — Mar 161
Sun 3/9
Sun 3/16
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 March 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$592
(KLM)

One-way from

$459
(United Airlines)

Popular in

January

Cheapest in

February
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. 22% potential increase in price ($362 potential increase over avg. RT price).
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Cheapest flight prices on average. 15% potential price decrease ($161 potential savings vs. average RT price).
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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 March 4, 2025.

This KLM deal was found by Cheapflights users on 3/3. 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.
Wed 4/25:17 pmABE - LHR
1 stop15h 13mKLM
Thu 4/109:55 amLHR - ABE
2 stops17h 23mKLM
Deal found 3/3$592
This Delta deal was found by Cheapflights users on 3/3. 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.
Mon 3/245:17 pmABE - LHR
1 stop13h 18mDelta
Thu 4/31:05 pmLHR - ABE
1 stop14h 13mDelta
Deal found 3/3$599
This United Airlines deal was found by Cheapflights users on 3/4. 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 3/185:38 pmABE - LHR
1 stop13h 37mUnited Airlines
Tue 3/257:30 amLHR - ABE
2 stops18h 04mUnited Airlines
Deal found 3/4$661
This Air Canada deal was found by Cheapflights users on 3/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/185:38 pmABE - LHR
2 stops14h 12mMultiple Airlines
Tue 3/256:00 pmLHR - ABE
2 stops26h 59mMultiple Airlines
Deal found 3/4$665
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/318:00 amABE - LGW
1 stop21h 00mMultiple Airlines
Thu 4/102:00 pmLGW - ABE
1 stop29h 13mMultiple Airlines
Deal found 3/3$679
This Ticket deal was found by Cheapflights users on 3/3. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/276:05 amABE - MAN
1 stop21h 30mKLM
Mon 3/318:40 pmMAN - ABE
2 stops30h 49mKLM
Deal found 3/3$686
This United deal was found by Cheapflights users on 3/4. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/285:32 pmABE - MAN
2 stops33h 53mUnited Airlines
Tue 5/65:55 amMAN - ABE
2 stops20h 50mUnited Airlines
Deal found 3/4$698
This Delta deal was found by Cheapflights users on 3/4. 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 4/11:06 pmABE - EDI
2 stops16h 34mDelta
Tue 4/89:10 amEDI - ABE
2 stops18h 08mDelta
Deal found 3/4$743
This American Airlines deal was found by Cheapflights users on 3/3. 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.
Thu 4/35:16 pmABE - LHR
1 stop14h 29mAmerican Airlines
Thu 4/103:00 pmLHR - ABE
1 stop12h 18mAmerican Airlines
Deal found 3/3$743
This Delta deal was found by Cheapflights users on 3/3. 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.
Thu 3/276:05 amABE - MAN
2 stops33h 55mDelta
Mon 3/311:45 pmMAN - ABE
2 stops37h 44mDelta
Deal found 3/3$809
This KLM deal was found by Cheapflights users on 3/3. 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.
Wed 4/161:07 pmABE - EDI
2 stops18h 28mKLM
Mon 4/215:15 pmEDI - ABE
2 stops28h 26mKLM
Deal found 3/3$961
This Delta deal was found by Cheapflights users on 3/4. 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.
Sat 11/11:00 pmABE - LCY
2 stops20h 15mDelta
Sat 11/810:00 amLCY - ABE
2 stops18h 27mDelta
Deal found 3/4$1,165

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 March 4, 2025.

Fly from

Allentown

Fly to

United Kingdom

Route

Depart

Return

Price

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Wed 4/2

5:17 pm-1:30 pm

1 stop15h 13m

London Heathrow

Thu 4/10

9:55 am-10:18 pm

2 stops17h 23m

$592

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Mon 3/24

5:17 pm-10:35 am

1 stop13h 18m

London Heathrow

Thu 4/3

1:05 pm-10:18 pm

1 stop14h 13m

$599

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Tue 3/18

5:38 pm-11:15 am

1 stop13h 37m

London Heathrow

Tue 3/25

7:30 am-9:34 pm

2 stops18h 04m

$661

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Tue 3/18

5:38 pm-11:50 am

2 stops14h 12m

London Heathrow

Tue 3/25

6:00 pm-4:59 pm

2 stops26h 59m

$665

AllentownLondon

ABE - LGW

ABELGW

Allentown-Bethlehem

Mon 3/31

8:00 am-10:00 am

1 stop21h 00m

London Gatwick

Thu 4/10

2:00 pm-2:13 pm

1 stop29h 13m

$679

AllentownManchester

ABE - MAN

ABEMAN

Allentown-Bethlehem

Thu 3/27

6:05 am-7:35 am

1 stop21h 30m

Manchester

Mon 3/31

8:40 pm-10:29 pm

2 stops30h 49m

$686

AllentownManchester

ABE - MAN

ABEMAN

Allentown-Bethlehem

Mon 4/28

5:32 pm-8:25 am

2 stops33h 53m

Manchester

Tue 5/6

5:55 am-9:45 pm

2 stops20h 50m

$698

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Thu 4/3

5:16 pm-12:45 pm

1 stop14h 29m

London Heathrow

Thu 4/10

3:00 pm-10:18 pm

1 stop12h 18m

$743

AllentownEdinburgh

ABE - EDI

ABEEDI

Allentown-Bethlehem

Tue 4/1

1:06 pm-10:40 am

2 stops16h 34m

Edinburgh Turnhouse

Tue 4/8

9:10 am-10:18 pm

2 stops18h 08m

$743

AllentownManchester

ABE - MAN

ABEMAN

Allentown-Bethlehem

Thu 3/27

6:05 am-8:00 pm

2 stops33h 55m

Manchester

Mon 3/31

1:45 pm-10:29 pm

2 stops37h 44m

$809

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

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.

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 $1,128). 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 March 4, 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 March 4, 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
8,061 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

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
8,061 reviews
Delta
8.0
Very good
8,061 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

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
1,321 reviews
Delta
8.0
Very good
8,061 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

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
8,678 reviews
Delta
8.0
Very good
8,061 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

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
8,061 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

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 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 $1,128). 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 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 March 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$575Average$808FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$639Average$832FlexibilityNo cancel feeOn-time71%
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