ABE - LON

$334 Find Cheap Flights from Allentown to London - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$758
Typical prices: $926-$1,120
United Airlines
Thu 3/1Fri 3/2
ABE - LHR • 1 stop
Cheapest one-way
$334
Typical prices: $398-$633
Delta
Wed 3/28
ABE - LHR • 1 stop
When to travel
April
Cheapest • 23% price drop
September
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Chicago O'Hare Intl (ORD)
Cheapest • Avg $1,034 (round-trip)
Philadelphia (PHL)
Shortest trip • 11h 01m (one-way)
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Cheap Flights from Allentown to London (ABE-LON)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Allentown to London

Mon, Mar 1 - Tue, Mar 2
United Airlines Logo
6:00 am - 5:55 amABE  Allentown-Bethlehem-LHR London Heathrow
18h 55m1 stop Chicago O'Hare Intl
United Airlines Logo
9:00 am - 9:13 pmLHR  London Heathrow-ABE Allentown-Bethlehem
17h 13m2 stops Zurich Chicago O'Hare Intl
$758United Airlines
Mon, Mar 1 - Tue, Mar 2
United Airlines Logo
6:00 am - 6:20 amABE  Allentown-Bethlehem-LHR London Heathrow
19h 20m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
9:00 am - 9:13 pmLHR  London Heathrow-ABE Allentown-Bethlehem
17h 13m2 stops Zurich Chicago O'Hare Intl
$762United Airlines
Fri, Dec 4 - Tue, Dec 8
United Airlines Logo
5:32 pm - 12:00 pmABE  Allentown-Bethlehem-LHR London Heathrow
13h 28m1 stop Chicago O'Hare Intl
United Airlines Logo
6:50 am - 4:57 pmLHR  London Heathrow-ABE Allentown-Bethlehem
15h 07m2 stops Brussels Bruxelles-National Chicago O'Hare Intl
$877United Airlines
Mon, Nov 23 - Fri, Nov 27
Delta Logo
12:53 pm - 6:25 amABE  Allentown-Bethlehem-LHR London Heathrow
12h 32m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:30 am - 7:52 pmLHR  London Heathrow-ABE Allentown-Bethlehem
18h 22m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$878Delta
Fri, Dec 4 - Tue, Dec 8
United Airlines Logo
10:05 am - 6:20 amABE  Allentown-Bethlehem-LHR London Heathrow
15h 15m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
6:50 am - 4:57 pmLHR  London Heathrow-ABE Allentown-Bethlehem
15h 07m2 stops Brussels Bruxelles-National Chicago O'Hare Intl
$882United Airlines
Sun, Nov 22 - Fri, Nov 27
Delta Logo
6:00 pm - 6:25 amABE  Allentown-Bethlehem-LHR London Heathrow
31h 25m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:30 am - 7:52 pmLHR  London Heathrow-ABE Allentown-Bethlehem
18h 22m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$883Delta
Mon, Nov 23 - Fri, Nov 27
Delta Logo
12:53 pm - 9:00 amABE  Allentown-Bethlehem-LHR London Heathrow
15h 07m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
Delta Logo
6:30 am - 7:52 pmLHR  London Heathrow-ABE Allentown-Bethlehem
18h 22m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$886Delta
Mon, Mar 15 - Tue, Mar 23
United Airlines Logo
10:39 am - 7:55 amABE  Allentown-Bethlehem-LHR London Heathrow
17h 16m1 stop Chicago O'Hare Intl
United Airlines Logo
6:50 am - 9:04 pmLHR  London Heathrow-ABE Allentown-Bethlehem
18h 14m2 stops Brussels Bruxelles-National Chicago O'Hare Intl
$889United Airlines
Wed, Mar 17 - Tue, Mar 23
United Airlines Logo
6:20 am - 5:55 amABE  Allentown-Bethlehem-LHR London Heathrow
19h 35m1 stop Chicago O'Hare Intl
United Airlines Logo
6:50 am - 9:04 pmLHR  London Heathrow-ABE Allentown-Bethlehem
18h 14m2 stops Brussels Bruxelles-National Chicago O'Hare Intl
$889United Airlines
Fri, Feb 5 - Sat, Feb 13
Delta Logo
12:59 pm - 9:00 amABE  Allentown-Bethlehem-LHR London Heathrow
15h 01m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:30 am - 5:21 pmLHR  London Heathrow-ABE Allentown-Bethlehem
15h 51m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$890Delta
Booking Insights

Price, demand and travel trends for Allentown to London flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Allentown to London?

Round-trip flights from Allentown to London typically range from $926 to $1,120. The lowest price found in the past 5 days was $758, on United Airlines.

What is the cheapest Allentown to London flight route?

There's little price difference between Allentown to London routes. They average around $956 round-trip, based on KAYAK data over the past 12 months.

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Key details for Allentown to London flights

Cheapest flight

$334
The most popular month to fly with an average 45% increase in travelers.
One-way flight from Allentown to London Heathrow Airport

When to book flights from Allentown to London

Are your dates flexible? Find out the best times to travel from Allentown to London based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Allentown to London flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Allentown to London?

    Only Economy Class is available on flights from Allentown to London.

  • How long is a flight from Allentown to London?

    There are currently no nonstop flights available from Allentown to London. Flights with 1 layover take between 11h 01m and 14h 26m in total, depending on the connection.

  • Do I need a passport to fly from Allentown to London?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Allentown to London flight?

    Round-trip flights from Allentown to London range from $926 to $1,120, with an average of $956 over the past 12 months. Anything below $926 counts as a good deal.

  • Have flight prices from Allentown to London changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $758 to $6,445. That means the highest observed fare was about 9x higher than the lowest one.

  • How are flight prices from Allentown to London looking right now?

    One-way fares from Allentown to London are currently lower than usual. Average one-way flight prices are about $375, which is 35% below the typical average for this route.

  • What car rental options are available in London?

    Since London is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near London Heathrow Airport (LHR) — daily rates averaging $38:

    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • Rentacar

    Near London Gatwick Airport (LGW) — daily rates averaging $39:

    • GREEN MOTION
    • DRIVALIA
    • U-Save
    • Europcar
    • Alamo

    Near London Stansted Airport (STN) — daily rates averaging $35:

    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • U-Save

    Near London Luton Airport (LTN) — daily rates averaging $38:

    • GREEN MOTION
    • DRIVALIA
    • Alamo
    • Europcar
    • U-Save

  • Which airports can I use when flying from Allentown to London?

    Flights from Allentown to London usually depart from Allentown-Bethlehem (ABE) and may arrive at several airports in London area, including London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN).

  • Which airports do connecting flights from Allentown to London pass through?

    One-stop flights from Allentown to London most commonly connect through:

    • Chicago O'Hare Intl (ORD) - 52% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 27% of one-stop connections
    • Philadelphia (PHL) - 12% of one-stop connections
    • Charlotte Douglas (CLT) - 9% of one-stop connections

  • Can I save money by using flexible dates for flights from Allentown to London?

    Yes. Flexible dates can save you up to 27% on flights from Allentown to London. Monday is the cheapest departure day at $798 round-trip on average, while Tuesday is the most expensive at $1,083, a difference of $285.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Allentown to London?

    Flying via Philadelphia (PHL) gives the shortest average 1-stop total travel time at 11h 01m, compared with 11h 41m via Charlotte Douglas (CLT) and 13h 19m via Chicago O'Hare Intl (ORD).

  • What is the time difference between Allentown and London?

    London is 5 hours ahead of Allentown (British Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in London?

    Some of the most popular sights in London are Hyde Park and Buckingham Palace. These are among the most viewed places in London on KAYAK.

Your guide to booking Allentown to London flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Tuesday. On this route, Monday flights average $798, about $285 less than Tuesday fares (26% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Allentown to London trip for April. Fares historically average $736 round-trip in that month - typically $384 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, hotels close to the airport you're flying into can be a convenient option.

    Near London City Airport

    • Good Hotel London
    • Novotel London Excel
    • Aloft London Excel

    Near London Heathrow Airport

    • Hilton London Heathrow Airport

    Near London Gatwick Airport

    • Premier Inn London Gatwick Airport

More options for your flight from Allentown to London

Complete your trip to London with a hotel stay or car rental

Car rentals in London
Hotels in London
Vacations in London