What are the cheapest airlines flying from Allentown to London round-trip?

According to our current data, Delta ($631), United Airlines ($813), and American Airlines ($814) offers the cheapest pricing from Allentown to London.

What is the cheapest day to fly from Allentown to London?

Travelers seeking maximum savings on their Allentown to London flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular routes from Allentown to London?

The most popular flight routes from Allentown to London are Allentown-Bethlehem - London Heathrow, Allentown-Bethlehem - London City and Allentown-Bethlehem - London Gatwick.

What is the cheapest day to fly round-trip from Allentown to London?

Wednesday is generally a great day to depart. Flying on this day could help you save up to 94%.

Most accurate provider : When it comes to deals on Allentown-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Allentown-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Allentown-London flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Allentown-London flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Allentown-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Allentown to London?

Most people fly from Allentown-Bethlehem (ABE) if they book a flight from Allentown to London. On average, Allentown-Bethlehem has 0 outbound flights to London per day from 2 airlines. Allentown-Bethlehem is conveniently located just 3.9 mi from Allentown’s city center.

Can I find deals for flights from Allentown to London that include hotel bookings?

Yes. In addition to deals on Allentown to London flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Allentown to London?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Allentown to London.

Can I find deals for business class flights from Allentown to London?

Yes. Cheapflights offers flight deals from Allentown to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$435+ Flights from Allentown to London

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Allentown to London 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 London

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$631 (Delta)
One-way from	$435 (Delta)

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 London (LON)

Search Deals

One-way flight from Allentown-Bethlehem to London (LON)

Search Deals

Find flight deals from Allentown to London

Cheapest flights from Allentown to London
Explore the most affordable flight options available from Allentown to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 19, 2024.

Thu 12/197:30 amABE - LGW

1 stop21h 30mMultiple Airlines

Sat 12/282:00 pmLGW - ABE

1 stop28h 45mMultiple Airlines

Deal found 12/18

$1,603

Thu 12/196:00 amABE - LHR

2 stops19h 45mDelta

Wed 12/256:20 amLHR - ABE

2 stops20h 31mDelta

Deal found 12/18

$1,768

Fri 12/206:30 amABE - LHR

1 stop20h 25mUnited Airlines

Wed 12/2510:25 amLHR - ABE

1 stop16h 05mUnited Airlines

Deal found 12/18

$2,021

Thu 12/196:00 amABE - LHR

1 stop20h 55mKLM

Tue 12/2412:30 pmLHR - ABE

1 stop14h 21mKLM

Deal found 12/18

$2,711

Fri 12/206:30 amABE - LHR

1 stop20h 25mMultiple Airlines

Tue 12/248:55 amLHR - ABE

2 stops17h 35mMultiple Airlines

Deal found 12/18

$2,825

Best flights from Allentown to London
Discover carefully curated flight deals from Allentown to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 19, 2024.

Wed 2/125:30 pmABE - LHR

1 stop13h 10mDelta

Sun 2/168:40 amLHR - ABE

2 stops18h 40mDelta

Deal found 12/17

$631

Sun 2/25:30 pmABE - LHR

1 stop12h 45mUnited Airlines

Sun 2/96:50 amLHR - ABE

2 stops15h 05mUnited Airlines

Deal found 12/18

$813

Fri 1/1012:31 pmABE - LHR

1 stop13h 29mAmerican Airlines

Fri 1/1710:05 amLHR - ABE

1 stop19h 11mAmerican Airlines

Deal found 12/18

$814

Wed 2/125:30 pmABE - LHR

1 stop12h 45mMultiple Airlines

Mon 2/176:00 amLHR - ABE

2 stops20h 24mMultiple Airlines

Deal found 12/17

$1,206

Sun 1/121:18 pmABE - LCY

2 stops14h 32mDelta

Fri 1/1710:00 amLCY - ABE

2 stops17h 39mDelta

Deal found 12/18

$2,029

Last-minute flights from Allentown to London
Discover last-minute flight deals from Allentown to London. Data last updated December 19, 2024 and is based on user searches.

Thu 12/197:30 amABE - LGW

1 stop21h 30mMultiple Airlines

Sat 12/282:00 pmLGW - ABE

1 stop28h 45mMultiple Airlines

Deal found 12/18

$1,603

Thu 12/196:00 amABE - LHR

1 stop20h 55mKLM

Tue 12/2412:30 pmLHR - ABE

1 stop14h 21mKLM

Deal found 12/18

$2,711

Fri 1/105:30 pmABE - LHR

1 stop12h 05mDelta

Fri 1/178:40 amLHR - ABE

2 stops18h 59mDelta

Deal found 12/18

$632

Fri 1/1012:31 pmABE - LHR

1 stop13h 29mAmerican Airlines

Fri 1/1710:05 amLHR - ABE

1 stop19h 11mAmerican Airlines

Deal found 12/18

$814

Sat 1/115:30 pmABE - LHR

2 stops32h 40mUnited Airlines

Sun 1/193:00 pmLHR - ABE

2 stops35h 21mUnited Airlines

Deal found 12/18

$999

Sat 1/116:30 amABE - LHR

1 stop20h 25mMultiple Airlines

Sun 1/198:55 amLHR - ABE

2 stops17h 26mMultiple Airlines

Deal found 12/18

$1,639

Sun 1/121:18 pmABE - LCY

2 stops14h 32mDelta

Fri 1/1710:00 amLCY - ABE

2 stops17h 39mDelta

Deal found 12/18

$2,029

One-way flights from Allentown to London
Search for one-way flight options from Allentown to London. Find affordable one-way fares based on user searches. Data last updated December 19, 2024.

Mon 4/281:00 pmABE - LHR

1 stop12h 25mDelta

Deal found 12/18

$435

Mon 1/135:30 pmABE - LHR

1 stop12h 45mUnited Airlines

Deal found 12/18

$552

Find flights from Allentown to London within your budget

Fly from

Fly to

Route

Depart

Return

Price

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Wed 2/12

5:30 pm-11:40 am

1 stop13h 10m

London Heathrow

Sun 2/16

8:40 am-10:20 pm

2 stops18h 40m

$631

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Fri 1/10

5:30 pm-10:35 am

1 stop12h 05m

London Heathrow

Fri 1/17

8:40 am-10:39 pm

2 stops18h 59m

$632

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Sun 2/2

5:30 pm-11:15 am

1 stop12h 45m

London Heathrow

Sun 2/9

6:50 am-4:55 pm

2 stops15h 05m

$813

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Fri 1/10

12:31 pm-7:00 am

1 stop13h 29m

London Heathrow

Fri 1/17

10:05 am-12:16 am

1 stop19h 11m

$814

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Wed 2/12

5:30 pm-11:15 am

1 stop12h 45m

London Heathrow

Mon 2/17

6:00 am-9:24 pm

2 stops20h 24m

$1,206

AllentownLondon

ABE - LCY

ABELCY

Allentown-Bethlehem

Sun 1/12

1:18 pm-8:50 am

2 stops14h 32m

London City

Fri 1/17

10:00 am-10:39 pm

2 stops17h 39m

$2,029

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Mon 4/28

1:00 pm-6:25 am

1 stop12h 25m

$435

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Mon 1/13

5:30 pm-11:15 am

1 stop12h 45m

$552

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Compare providers for flights from Allentown to London

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Allentown to London in December.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Allentown-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Allentown-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Allentown-London flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Allentown-London flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Allentown-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Allentown to London

Have a flexible travel schedule? Discover the best time to fly to London 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 London

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

What is the cheapest month to book a flight from Allentown to London?

Currently, November is the cheapest month in which you can book a flight from Allentown to London (average of $661). Flying from Allentown to London in June is currently the most expensive (average of $1,088). 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 LON?

When flying from Allentown to London, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 30% versus a flight in the afternoon.

Rainfall in London by month

In terms of precipitation, rainfall in London 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 London when rainfall is around 1.6 in.

Temperature in London by month

If weather is an important factor for your trip to London, 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 London

Delta

8.0

Very good

8,600 reviews

Reviews

1 / 10

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

Delta

8.0

Very good

8,600 reviews

Delta

8.0

Very good

8,600 reviews

Reviews

1 / 10

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

United Airlines

7.4

Good

9,048 reviews

Delta

8.0

Very good

8,600 reviews

Reviews

1 / 10

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

8,600 reviews

Reviews

1 / 10

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

Related info for your journey

What airport do you fly from for flights from Allentown to London?
Most people fly from Allentown-Bethlehem (ABE) if they book a flight from Allentown to London. On average, Allentown-Bethlehem has 0 outbound flights to London per day from 2 airlines. Allentown-Bethlehem is conveniently located just 3.9 mi from Allentown’s city center.
What are the cheapest airlines flying from Allentown to London round-trip?
According to our current data, Delta ($631), United Airlines ($813), and American Airlines ($814) offers the cheapest pricing from Allentown to London.
What are the most popular routes from Allentown to London?
The most popular flight routes from Allentown to London are Allentown-Bethlehem - London Heathrow, Allentown-Bethlehem - London City and Allentown-Bethlehem - London Gatwick.
Can I find deals for flights from Allentown to London that include hotel bookings?
Yes. In addition to deals on Allentown to London flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Allentown to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Allentown to London.
Can I find deals for business class flights from Allentown to London?
Yes. Cheapflights offers flight deals from Allentown to London 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 London?
Currently, November is the cheapest month in which you can book a flight from Allentown to London (average of $661). Flying from Allentown to London in June is currently the most expensive (average of $1,088). 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

Top 2 airlines flying from Allentown to London

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$575	Average$799	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$639	Average$842	FlexibilityNo cancel fee	On-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.

$435+ Cheap flights from Allentown (ABE) to London (LON)

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.

Find cheap flights from Allentown to London with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Allentown to London

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Find flight deals from Allentown to London

Cheapest flights from Allentown to LondonExplore the most affordable flight options available from Allentown to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 19, 2024.

Explore the most affordable flight options available from Allentown to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 19, 2024.

Find flights from Allentown to London within your budget

Compare providers for flights from Allentown to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Allentown to London in December.

Best time to book a flight from Allentown to London

Have a flexible travel schedule? Discover the best time to fly to London from Allentown with our price prediction graph.

Travel insights for flights from Allentown to London

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

What is the cheapest month to book a flight from Allentown to London?

What is the cheapest time of day to fly from ABE to LON?

Find hourly flight availability from Allentown to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 19, 2024.

Rainfall in London by month

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

Temperature in London by month

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

Reviews of airlines servicing London

Related info for your journey

Find useful and relevant information for your journey from Allentown to London. 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 London?

What are the cheapest airlines flying from Allentown to London round-trip?

What are the most popular routes from Allentown to London?

Can I find deals for flights from Allentown to London that include hotel bookings?

How can I find direct flights from Allentown to London?

Can I find deals for business class flights from Allentown to London?

What is the cheapest month to book a flight from Allentown to London?

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 London

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Allentown to London

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Allentown to London
Explore the most affordable flight options available from Allentown to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 19, 2024.