Find flights
When to book
Airlines
FAQs

Cheap flights from London to Allentown from £647

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LON — ABE
1 May — 8 May1
1 adult
Wed 1/5
Wed 8/5

Cheap flight deals from London to Allentown

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Allentown (ABE). 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 26 April 2024.

Popular in

March

Cheapest in

February

Average price

£958

Round-trip from

£354
High demand for flights, 28% potential price rise
Search Deals
Best time to find cheap flights, 36% potential price drop
Search Deals
Average for round-trip flights in April 2024
Search Deals
From London (LON) to Allentown-Bethlehem
Search Deals

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

Flights from London to Allentown are found to be more expensive on Thursday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Allentown.

How far in advance should I book a flight from London to Allentown?

Find a great deal and save up to 30% by booking at least 54 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from London to Allentown within the next two weeks, with the cheapest ticket starting at £436.

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

January is one of the best times of the year to fly to Allentown from London. Prices for January average £419 per person but you can even find prices for as low as £269. The most expensive prices can be found in the month of July. Opting for a January flight can save you 29% on your journey compared to booking in July

When is the cheapest time to fly from London to Allentown (LON - ABE)?

It’s typically best to fly out from London to Allentown at midday. Doing so could potentially save you 9% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap United Airlines flights from London to Allentown

Explore cheap flight options specifically provided by United Airlines for the route between London and Allentown. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 925,685 searches. Data last updated 26 April 2024.
Take a peek at the cheapest United Airlines flights we've detected travelling from London to Allentown. It's recommended that users confirm their flight details before booking.
Sat 1/613:05LHR - ABE
1 stop13h 32mUnited Airlines
Sat 6/717:40ABE - LHR
1 stop13h 05mUnited Airlines
Deal found 24/4£932
Sat 1/606:50LHR - ABE
2 stops15h 08mUnited Airlines
Sat 6/717:40ABE - LHR
1 stop13h 05mUnited Airlines
Deal found 24/4£959
Sun 12/508:30LHR - ABE
1 stop13h 25mUnited Airlines
Thu 16/517:30ABE - LHR
1 stop13h 15mUnited Airlines
Deal found 25/4£3,184
Sat 8/608:30LHR - ABE
1 stop18h 07mUnited Airlines
Sat 15/606:40ABE - LHR
1 stop18h 15mUnited Airlines
Deal found 25/4£5,080

Cheap Delta flights from London to Allentown

Explore cheap flight options specifically provided by Delta for the route between London and Allentown. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 925,685 searches. Data last updated 26 April 2024.
Take a gander at the lowest prices we've found on Delta flights from London to Allentown. Check back soon if you're not seeing flights that suit your needs.
Mon 29/710:50LHR - ABE
2 stops17h 24mDelta
Tue 13/818:00ABE - LHR
1 stop12h 10mDelta
Deal found 25/4£856
Tue 30/710:50LHR - ABE
2 stops17h 24mDelta
Wed 14/813:00ABE - LHR
1 stop13h 50mDelta
Deal found 25/4£1,364
Tue 30/713:55LHR - ABE
1 stop14h 19mDelta
Wed 14/818:00ABE - LHR
1 stop14h 15mDelta
Deal found 25/4£1,530
Wed 31/712:45LHR - ABE
1 stop15h 29mDelta
Thu 15/813:00ABE - LHR
1 stop12h 25mDelta
Deal found 25/4£2,792

Cheap London to Allentown flights in April & May 2024

Find cheap flight options from London to Allentown specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 925,685 searches. Prices were last updated on 26 April 2024.
The lowest fares we've come across on flights travelling from London to Allentown in April and May 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Sat 25/509:15LHR - ABE
1 stop15h 14mAmerican Airlines
Sat 1/619:59ABE - LHR
1 stop11h 11mAmerican Airlines
Deal found 25/4£647
Sat 25/510:30LHR - ABE
2 stops13h 59mAmerican Airlines
Sat 1/619:59ABE - LHR
1 stop11h 11mAmerican Airlines
Deal found 25/4£750
Sat 25/508:30LHR - ABE
2 stops18h 07mMultiple Airlines
Sat 1/606:40ABE - LHR
2 stops18h 55mMultiple Airlines
Deal found 25/4£1,507
Sun 12/508:30LHR - ABE
1 stop13h 25mUnited Airlines
Thu 16/517:30ABE - LHR
1 stop13h 15mUnited Airlines
Deal found 25/4£3,184
Sun 12/509:30LHR - ABE
2 stops17h 03mMultiple Airlines
Thu 16/506:35ABE - LHR
2 stops18h 55mMultiple Airlines
Deal found 25/4£7,522

London to Allentown 2024 flight deals

Discover exclusive flight deals for travel between London and Allentown in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 925,685 searches. Data last updated 26 April 2024.
The lowest fares we've come across on flights travelling from London to Allentown in April and May 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Sat 25/509:15LHR - ABE
1 stop15h 14mAmerican Airlines
Sat 1/619:59ABE - LHR
1 stop11h 11mAmerican Airlines
Deal found 25/4£647
Sat 25/510:30LHR - ABE
2 stops13h 59mAmerican Airlines
Sat 1/619:59ABE - LHR
1 stop11h 11mAmerican Airlines
Deal found 25/4£750
Mon 29/710:50LHR - ABE
2 stops17h 24mDelta
Tue 13/818:00ABE - LHR
1 stop12h 10mDelta
Deal found 25/4£856
Sat 1/613:05LHR - ABE
1 stop13h 32mUnited Airlines
Sat 6/717:40ABE - LHR
1 stop13h 05mUnited Airlines
Deal found 24/4£932
Sat 1/606:50LHR - ABE
2 stops15h 08mUnited Airlines
Sat 6/717:40ABE - LHR
1 stop13h 05mUnited Airlines
Deal found 24/4£959
Tue 30/710:50LHR - ABE
2 stops17h 24mDelta
Wed 14/813:00ABE - LHR
1 stop13h 50mDelta
Deal found 25/4£1,364
Sat 25/508:30LHR - ABE
2 stops18h 07mMultiple Airlines
Sat 1/606:40ABE - LHR
2 stops18h 55mMultiple Airlines
Deal found 25/4£1,507
Tue 30/713:55LHR - ABE
1 stop14h 19mDelta
Wed 14/818:00ABE - LHR
1 stop14h 15mDelta
Deal found 25/4£1,530
Sat 1/608:30LHR - ABE
2 stops18h 07mMultiple Airlines
Sat 6/706:40ABE - LHR
2 stops18h 55mMultiple Airlines
Deal found 24/4£1,655

One-way flights to Allentown from London

Search for one-way flight options from London to Allentown. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 925,685 searches. Data last updated 26 April 2024.
Take a look at some of the one-way flights we've detected from London to Allentown. For those needing a return trip from London, there is a search form available above.
Wed 19/612:15LHR - ABE
1 stop15h 04mAmerican Airlines
Deal found 25/4£1,277
Wed 19/612:10LHR - ABE
2 stops16h 04mDelta
Deal found 25/4£1,281
Tue 13/813:55LHR - ABE
1 stop14h 31mDelta
Deal found 24/4£1,561
Thu 15/813:55LHR - ABE
1 stop14h 31mDelta
Deal found 24/4£1,602
Sun 18/813:55LHR - ABE
1 stop14h 31mDelta
Deal found 24/4£1,662
Tue 11/613:55LHR - ABE
1 stop14h 19mDelta
Deal found 25/4£1,806
Fri 14/613:55LHR - ABE
1 stop14h 19mDelta
Deal found 25/4£2,150
Wed 12/613:55LHR - ABE
1 stop14h 19mDelta
Deal found 25/4£7,090

Find flights from London to Allentown within your budget

Customise your flight search to find flights from London to Allentown 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 925,685 searches. Data last updated 26 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£647 - £1,655

Route

Depart

Return

Price

London HeathrowAllentown-Bethlehem

LHR - ABE

LHRABE

London Heathrow

Sat 25/5

1 stop15h 14m

Allentown-Bethlehem

Sat 1/6

1 stop11h 11m

£647

London HeathrowAllentown-Bethlehem

LHR - ABE

LHRABE

London Heathrow

Sat 25/5

2 stops13h 59m

Allentown-Bethlehem

Sat 1/6

1 stop11h 11m

£750

London HeathrowAllentown-Bethlehem

LHR - ABE

LHRABE

London Heathrow

Mon 29/7

2 stops17h 24m

Allentown-Bethlehem

Tue 13/8

1 stop12h 10m

£856

London HeathrowAllentown-Bethlehem

LHR - ABE

LHRABE

London Heathrow

Sat 1/6

1 stop13h 32m

Allentown-Bethlehem

Sat 6/7

1 stop13h 05m

£932

London HeathrowAllentown-Bethlehem

LHR - ABE

LHRABE

London Heathrow

Sat 1/6

2 stops15h 08m

Allentown-Bethlehem

Sat 6/7

1 stop13h 05m

£959

London HeathrowAllentown-Bethlehem

LHR - ABE

LHRABE

London Heathrow

Tue 30/7

2 stops17h 24m

Allentown-Bethlehem

Wed 14/8

1 stop13h 50m

£1,364

London HeathrowAllentown-Bethlehem

LHR - ABE

LHRABE

London Heathrow

Sat 25/5

2 stops18h 07m

Allentown-Bethlehem

Sat 1/6

2 stops18h 55m

£1,507

London HeathrowAllentown-Bethlehem

LHR - ABE

LHRABE

London Heathrow

Tue 30/7

1 stop14h 19m

Allentown-Bethlehem

Wed 14/8

1 stop14h 15m

£1,530

London HeathrowAllentown-Bethlehem

LHR - ABE

LHRABE

London Heathrow

Sat 1/6

2 stops18h 07m

Allentown-Bethlehem

Sat 6/7

2 stops18h 55m

£1,655

Flights are sorted by cheapest first

Deals found on 25/4

When is the cheapest time to fly from London to Allentown?

Use this chart to determine the cheapest time to fly return from London to Allentown. Price data was last updated on 21 April 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their London to Allentown flight should consider departing on Wednesday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Allentown by month

Plan your trip from London to Allentown by taking into account the cheapest months to travel. The average price of a one-way flight from London to Allentown is currently £2,304 while a return flight costs £1,133. Price data was last updated on 21 April 2024.

Temperature and rainfall in Allentown by month

Plan your trip to Allentown by taking into account the average temperature and rainfall totals by month.

NYC

Temperature

1 - 25 °C

Reviews of airlines servicing Allentown

Get insights into the airlines that provide service to Allentown. 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 Allentown. Reviews last updated 26 April 2024.
Get a feel of what it's like to fly with United Airlines, Delta and American Airlines from London to Allentown by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very Good
10,966 reviews
Check prices

Entertainment

8.0

Overall

8.1

Comfort

7.9

Crew

8.6

Food

7.4

Boarding

8.2

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very Good
10,966 reviews
Delta
8.1
Very Good
10,966 reviews
Check prices

Entertainment

8.0

Overall

8.1

Comfort

7.9

Crew

8.6

Food

7.4

Boarding

8.2

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

United Airlines
7.4
Good
11,226 reviews
Delta
8.1
Very Good
10,966 reviews
Check prices

Entertainment

8.0

Overall

8.1

Comfort

7.9

Crew

8.6

Food

7.4

Boarding

8.2

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

American Airlines
7.3
Good
14,884 reviews
Delta
8.1
Very Good
10,966 reviews
Check prices

Entertainment

8.0

Overall

8.1

Comfort

7.9

Crew

8.6

Food

7.4

Boarding

8.2

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

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

    If you book a flight to Allentown from London, you will be flying to Allentown-Bethlehem, which is the city’s only airport. Allentown-Bethlehem (ABE) is located 3.9 mi from the center of Allentown. There are 0 flights from London to Allentown-Bethlehem per day from 1 airline.

  • Can I find flights from London to Allentown for under £700 on Cheapflights?

    Yes, there are multiple flights from London to Allentown for under £700. The cheapest flight booked recently is on American Airlines for just £647, but on average you can expect to pay £1,862.

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

    Our cheapest airline available from London to Allentown is American Airlines. Our recent data shows that you can find tickets from as low as £647 on this airline. Additional options worth looking into are Delta and United Airlines, starting at £856 and £932 round-trip. These flights start at 20% lower than the current average price 3 months from now.

  • What does LHR to ABE mean?

    LHR and ABE are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. LHR to ABE refers to a flight route from London Heathrow Airport to Allentown-Bethlehem Airport. Ready for more IATA code knowledge? These are related airports for your current travel destination: London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), London Southend Airport (SEN).

  • Can I find deals for flights from London to Allentown that include extra baggage allowance?

    The amount of baggage you can bring on your London to Allentown flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from London to Allentown with specific airlines?

    Yes, Cheapflights allows you to browse and filter London to Allentown flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

  • How can I find direct flights from London to Allentown?

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

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

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

  • Can I find deals for flights from London to Allentown that allow pets onboard?

    Many airlines flying from London to Allentown offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from London to Allentown?

    Yes, you can often find last-minute deals on London to Allentown flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the London to Allentown flight deals updated?

    The London to Allentown flight deals you see on this page were last updated on 25/4.

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

Heathrow to Philadelphia flights
Gatwick to Philadelphia flights
Heathrow to Pittsburgh flights
London City to Philadelphia flights
Gatwick to Pittsburgh flights
London City to Pittsburgh flights
Manchester to Philadelphia flights
Birmingham to Philadelphia flights
Heathrow to Harrisburg flights
Stansted to Pittsburgh flights
Luton to Philadelphia flights
Heathrow to State College flights
Stansted to Philadelphia flights
Heathrow to Allentown flights
Leeds to Philadelphia flights
Bristol to Philadelphia flights
London City to Harrisburg flights
Luton to Pittsburgh flights
Manchester to Allentown flights
Heathrow to Erie flights
Manchester to Pittsburgh flights
Bristol to Pittsburgh flights
Bristol to Allentown flights
Birmingham to Pittsburgh flights
Gatwick to Erie flights
Heathrow to Scranton flights
Exeter to Philadelphia flights
Newquay to Philadelphia flights
Leeds to Pittsburgh flights
Doncaster to Philadelphia flights
Manchester to Erie flights
Newcastle upon Tyne to Philadelphia flights
Birmingham to Allentown flights

Top airline flying from London to Allentown

Discover the top airline that operate flights from London to Allentown. 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 925,685 searches. Data last updated 26 April 2024.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£495Average£586FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
London to Geneva flights
Liverpool to Málaga flights
England to Colorado flights
London Heathrow Airport to Abu Dhabi flights
Dublin to Italy flights
London to Tel Aviv flights
London Heathrow Airport to New York flights
London Luton Airport to Faro flights
Dublin to London Heathrow Airport flights
Scotland to Ireland flights
London to Prague flights
London to Abidjan flights

Search flights from London to Allentown by cabin class

Find flights from London to Allentown, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Providence-TFGreen
Flights to Monterey Regional
Flights to New Bern Coastal Carolina Rgnl
Flights to Clermont-Ferrand Aulnat
Flights to Lille Lesquin
Flights to Naxos
Flights to Lihue
Flights to Cagayan de Oro Laguindingan
Flights to Lynchburg Preston-Glenn Field
Flights to Kalamata
Flights to Malmö
Flights to Kavála Megas Alexandros
Flights to La Rochelle Laleu
Flights to Ashgabat
Flights to Appleton Intl
Flights to Rijeka
Flights to Avignon-Caum
Flights to Samarkand
Flights to Kalamazoo Intl
Flights to Niamey
Flights to Flagstaff Pulliam
Flights to Rimini Miramare

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Allentown?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to Allentown. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from London to Allentown?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Allentown from London.

Can Cheapflights find flights from London to Allentown with no change fees?

Need flexible booking options for your flight to Allentown from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from London to Allentown become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Allentown from London today and book when prices fit your budget.

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.
View all available airlines