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

Flights from Allentown to London Heathrow Airport usually depart from Allentown-Bethlehem (ABE) and arrive at London Heathrow (LHR).

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

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

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

One-stop flights from Allentown to London Heathrow Airport most commonly connect through: • Chicago O'Hare Intl (ORD) - 55% of one-stop connections • Atlanta Hartsfield-Jackson (ATL) - 32% of one-stop connections • Philadelphia (PHL) - 14% of one-stop connections

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

Yes. Flexible dates can save you up to 15% on flights from Allentown to London Heathrow Airport. Sunday is the cheapest departure day at $923 round-trip on average, while Tuesday is the most expensive at $1,083, a difference of $160. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

What popular places can I visit in London Heathrow Airport?

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

How long is a flight from Allentown to London Heathrow Airport?

There are currently no nonstop flights available from Allentown to London Heathrow Airport. Flights with 1 layover take between 11h 08m and 13h 49m in total, depending on the connection.

Do I need a passport to fly from Allentown to London Heathrow Airport?

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 are flight prices from Allentown to London Heathrow Airport looking right now?

One-way fares from Allentown to London Heathrow Airport are currently higher than usual. Average one-way flight prices are about $1,324, which is 130% above the typical average for this route.

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

Flying via Philadelphia (PHL) gives the shortest average 1-stop total travel time at 11h 08m, compared with 12h 59m via Chicago O'Hare Intl (ORD) and 13h 49m via Atlanta Hartsfield-Jackson (ATL).

What is the time difference between Allentown and London Heathrow Airport?

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

What car rental options are available at London Heathrow Airport (LHR)?

London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates starting from around $7 for economy cars. Top options include: • GREEN MOTION • DRIVALIA • Europcar • Alamo • Hertz

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

Round-trip flights from Allentown to London Heathrow Airport range from $933 to $1,120, with an average of $1,043 over the past 12 months. Anything below $933 counts as a good deal.

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

Round-trip flights from Allentown to London Heathrow Airport typically range from $933 to $1,120. The lowest price found in the past 5 days was $736, on United Airlines.

Which airline is the cheapest to fly from Allentown to London Heathrow Airport?

United Airlines ($736) offered the cheapest round-trip ticket from Allentown to London Heathrow Airport in the last 5 days.

What’s the most popular layover airport when flying from Allentown to London Heathrow Airport?

Chicago O'Hare Intl (ORD) is the most popular layover for the Allentown to London Heathrow Airport route. 55% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via ORD.

What is the cheapest layover airport when flying from Allentown to London Heathrow Airport?

Flights via Atlanta Hartsfield-Jackson (ATL) offer the most affordable fares, with an average round-trip price of $850. Based on KAYAK data over the past 3 months.

When flying from Allentown to London Heathrow Airport which airport offers the shortest layover?

Philadelphia (PHL) had the shortest average connection time for Allentown to London Heathrow Airport layovers at 6h 09m over the past 3 months.

$329 CHEAP FLIGHTS from Allentown to London (ABE - LHR)

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Cheapest round-trip

$736

Typical prices: $933-$1,120

United Airlines

Fri 11/16Sun 11/18

ABE - LHR • 1 stop

Cheapest one-way

$329

Typical prices: $398-$633

Delta

Sat 10/27

ABE - LHR • 1 stop

When to travel

April

Cheapest • 29% price drop

November

Most popular

Good to know

Top layover airports

Atlanta Hartsfield-Jackson (ATL)

Cheapest • Avg $850 (round-trip)

Philadelphia (PHL)

Shortest trip • 11h 08m (one-way)

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Flight Deals

Cheap Flights from Allentown to London (ABE-LHR)

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from Allentown to London

Mon, Nov 16 - Wed, Nov 18

5:36 pm - 12:00 pmABE Allentown-Bethlehem-LHR London Heathrow

13h 24m1 stop Chicago O'Hare Intl

6:50 am - 4:56 pmLHR London Heathrow-ABE Allentown-Bethlehem

15h 06m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$736United Airlines

Mon, Nov 16 - Wed, Nov 18

5:36 pm - 9:20 pmABE Allentown-Bethlehem-LHR London Heathrow

22h 44m2 stops Chicago O'Hare Intl Newark

6:50 am - 4:56 pmLHR London Heathrow-ABE Allentown-Bethlehem

15h 06m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$741United Airlines

Mon, Nov 16 - Wed, Nov 18

5:36 pm - 12:00 pmABE Allentown-Bethlehem-LHR London Heathrow

13h 24m1 stop Chicago O'Hare Intl

11:05 am - 9:02 pmLHR London Heathrow-ABE Allentown-Bethlehem

38h 57m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$744United Airlines

Mon, Nov 16 - Wed, Nov 18

5:36 pm - 9:20 pmABE Allentown-Bethlehem-LHR London Heathrow

22h 44m2 stops Chicago O'Hare Intl Newark

6:50 am - 4:56 pmLHR London Heathrow-ABE Allentown-Bethlehem

15h 06m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$748United Airlines

Mon, Nov 16 - Wed, Nov 18

5:36 pm - 9:20 pmABE Allentown-Bethlehem-LHR London Heathrow

22h 44m2 stops Chicago O'Hare Intl Newark

6:50 am - 4:56 pmLHR London Heathrow-ABE Allentown-Bethlehem

15h 06m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$749United Airlines

Mon, Mar 15 - Wed, Mar 17

5:36 pm - 12:00 pmABE Allentown-Bethlehem-LHR London Heathrow

14h 24m1 stop Chicago O'Hare Intl

9:00 am - 1:26 pmLHR London Heathrow-ABE Allentown-Bethlehem

32h 26m2 stops Zurich Chicago O'Hare Intl

$751United Airlines

Tue, Mar 16 - Thu, Mar 18

5:36 pm - 12:00 pmABE Allentown-Bethlehem-LHR London Heathrow

14h 24m1 stop Chicago O'Hare Intl

9:00 am - 9:56 amLHR London Heathrow-ABE Allentown-Bethlehem

28h 56m2 stops Zurich Chicago O'Hare Intl

$751United Airlines

Mon, Jan 11 - Wed, Jan 13

5:20 pm - 12:00 pmABE Allentown-Bethlehem-LHR London Heathrow

13h 40m1 stop Chicago O'Hare Intl

6:50 am - 8:55 pmLHR London Heathrow-ABE Allentown-Bethlehem

19h 05m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$755United Airlines

Wed, Mar 17 - Fri, Mar 19

5:36 pm - 12:00 pmABE Allentown-Bethlehem-LHR London Heathrow

14h 24m1 stop Chicago O'Hare Intl

6:50 am - 9:56 amLHR London Heathrow-ABE Allentown-Bethlehem

31h 06m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$757United Airlines

Mon, Oct 19 - Mon, Oct 26

6:39 am - 6:25 amABE Allentown-Bethlehem-LHR London Heathrow

18h 46m1 stop Atlanta Hartsfield-Jackson

4:00 pm - 12:05 pmLHR London Heathrow-ABE Allentown-Bethlehem

24h 05m1 stop Atlanta Hartsfield-Jackson

$799Delta

Recent last minute flight deals from Allentown to London

Sat, Oct 3 - Thu, Oct 15

6:20 am - 6:45 amABE Allentown-Bethlehem-LHR London Heathrow

19h 25m1 stop Chicago O'Hare Intl

6:55 am - 9:00 pmLHR London Heathrow-ABE Allentown-Bethlehem

19h 05m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$874United Airlines

Fri, Oct 2 - Thu, Oct 15

6:20 am - 6:45 amABE Allentown-Bethlehem-LHR London Heathrow

19h 25m1 stop Chicago O'Hare Intl

7:25 am - 9:00 pmLHR London Heathrow-ABE Allentown-Bethlehem

18h 35m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$874United Airlines

Sat, Oct 3 - Thu, Oct 15

10:37 am - 6:30 amABE Allentown-Bethlehem-LHR London Heathrow

14h 53m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

7:25 am - 9:00 pmLHR London Heathrow-ABE Allentown-Bethlehem

18h 35m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$877United Airlines

Sat, Oct 3 - Mon, Oct 19

6:20 am - 6:45 amABE Allentown-Bethlehem-LHR London Heathrow

19h 25m1 stop Chicago O'Hare Intl

6:50 am - 9:35 amLHR London Heathrow-ABE Allentown-Bethlehem

31h 45m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$878United Airlines

Fri, Oct 2 - Mon, Oct 19

6:20 am - 6:45 amABE Allentown-Bethlehem-LHR London Heathrow

19h 25m1 stop Chicago O'Hare Intl

6:50 am - 9:35 amLHR London Heathrow-ABE Allentown-Bethlehem

31h 45m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$878United Airlines

Fri, Oct 2 - Thu, Oct 15

5:43 pm - 8:40 pmABE Allentown-Bethlehem-LHR London Heathrow

21h 57m2 stops Chicago O'Hare Intl Newark

7:25 am - 9:00 pmLHR London Heathrow-ABE Allentown-Bethlehem

18h 35m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$878United Airlines

Sat, Oct 3 - Mon, Oct 19

6:20 am - 6:30 amABE Allentown-Bethlehem-LHR London Heathrow

19h 10m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

6:50 am - 9:35 amLHR London Heathrow-ABE Allentown-Bethlehem

31h 45m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$882United Airlines

Fri, Oct 2 - Mon, Oct 19

5:43 pm - 8:40 pmABE Allentown-Bethlehem-LHR London Heathrow

21h 57m2 stops Chicago O'Hare Intl Newark

6:50 am - 9:35 amLHR London Heathrow-ABE Allentown-Bethlehem

31h 45m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$883United Airlines

Fri, Oct 2 - Fri, Oct 16

6:20 am - 6:45 amABE Allentown-Bethlehem-LHR London Heathrow

19h 25m1 stop Chicago O'Hare Intl

7:30 am - 9:00 pmLHR London Heathrow-ABE Allentown-Bethlehem

18h 30m2 stops Frankfurt am Main Chicago O'Hare Intl

$884United Airlines

Sat, Oct 3 - Fri, Oct 16

6:20 am - 6:45 amABE Allentown-Bethlehem-LHR London Heathrow

19h 25m1 stop Chicago O'Hare Intl

7:30 am - 9:00 pmLHR London Heathrow-ABE Allentown-Bethlehem

18h 30m2 stops Frankfurt am Main Chicago O'Hare Intl

$884United Airlines

Booking Insights

Price, demand and travel trends for Allentown to London Heathrow Airport flights

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

Prices

Airlines

Layovers

How much is a round-trip flight from Allentown to London Heathrow Airport? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Allentown to London Heathrow Airport departing in november.

Find deals

Low season	February
High season	November
Cheapest flight	$329

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

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Allentown to London Heathrow Airport?
Only Economy Class is available on flights from Allentown to London Heathrow Airport.
How long is a flight from Allentown to London Heathrow Airport?
There are currently no nonstop flights available from Allentown to London Heathrow Airport. Flights with 1 layover take between 11h 08m and 13h 49m in total, depending on the connection.
Do I need a passport to fly from Allentown to London Heathrow Airport?
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 Heathrow Airport flight?
Round-trip flights from Allentown to London Heathrow Airport range from $933 to $1,120, with an average of $1,043 over the past 12 months. Anything below $933 counts as a good deal.
How are flight prices from Allentown to London Heathrow Airport looking right now?
One-way fares from Allentown to London Heathrow Airport are currently higher than usual. Average one-way flight prices are about $1,324, which is 130% above the typical average for this route.
What car rental options are available at London Heathrow Airport (LHR)?
London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates starting from around $7 for economy cars. Top options include:

• GREEN MOTION
• DRIVALIA
• Europcar
• Alamo
• Hertz
Which airports can I use when flying from Allentown to London Heathrow Airport?
Flights from Allentown to London Heathrow Airport usually depart from Allentown-Bethlehem (ABE) and arrive at London Heathrow (LHR).
Which airports do connecting flights from Allentown to London Heathrow Airport pass through?
One-stop flights from Allentown to London Heathrow Airport most commonly connect through:

• Chicago O'Hare Intl (ORD) - 55% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 32% of one-stop connections
• Philadelphia (PHL) - 14% of one-stop connections
Can I save money by using flexible dates for flights from Allentown to London Heathrow Airport?
Yes. Flexible dates can save you up to 15% on flights from Allentown to London Heathrow Airport. Sunday is the cheapest departure day at $923 round-trip on average, while Tuesday is the most expensive at $1,083, a difference of $160.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
How much time can I save by choosing a different layover airport from Allentown to London Heathrow Airport?
Flying via Philadelphia (PHL) gives the shortest average 1-stop total travel time at 11h 08m, compared with 12h 59m via Chicago O'Hare Intl (ORD) and 13h 49m via Atlanta Hartsfield-Jackson (ATL).
What is the time difference between Allentown and London Heathrow Airport?
London Heathrow Airport 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 Heathrow Airport?
Some of the most popular sights in London Heathrow Airport are Hyde Park and Buckingham Palace. These are among the most viewed places in London Heathrow Airport on KAYAK.

If your dates are flexible, aim for a Sunday departure and avoid flying on Tuesday. On this route, Sunday flights average $923, about $160 less than Tuesday fares (15% savings) based on the last 12 months.
If you can choose when to travel, plan your Allentown to London Heathrow Airport 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, check out these hotels close to London Heathrow Airport.

• Hilton London Heathrow Airport

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ABE - LHR

$329 Find Cheap Flights from Allentown to London - Compare and Save

Everything you should know

Cheap Flights from Allentown to London (ABE-LHR)

Recent round-trip flight deals from Allentown to London

Recent one-way flight deals from Allentown to London

Recent last minute flight deals from Allentown to London

Price, demand and travel trends for Allentown to London Heathrow Airport flights

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

Which airline is the cheapest to fly from Allentown to London Heathrow Airport?

What’s the most popular layover airport when flying from Allentown to London Heathrow Airport?

What is the cheapest layover airport when flying from Allentown to London Heathrow Airport?

When flying from Allentown to London Heathrow Airport which airport offers the shortest layover?

Key details for Allentown to London Heathrow Airport flights

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High season

Cheapest flight

When to book flights from Allentown to London

Your Allentown to London Heathrow Airport flight questions, answered

Your guide to booking Allentown to London Heathrow Airport flights

More options for your flight from Allentown to London

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

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Flights from domestic origins to London

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