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

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

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

Most connecting flights from London Heathrow Airport to Allentown pass through Atlanta Hartsfield-Jackson (ATL), which handles 100% of one-stop traffic on this route.

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

Yes. Flexible dates can save you up to 23% on flights from London Heathrow Airport to Allentown. Tuesday is the cheapest departure day at $712 round-trip on average, while Monday is the most expensive at $915, a difference of $203. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

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 London Heathrow Airport to Allentown looking right now?

One-way fares from London Heathrow Airport to Allentown are currently higher than usual. Average one-way flight prices are about $1,229, which is 21% above the typical average for this route.

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

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

What car rental options are available at Allentown-Bethlehem Airport (ABE)?

Allentown-Bethlehem Airport (ABE) hosts 5 major car rental companies, with daily rates averaging $64 for economy cars. Top options include: • Alamo • Hertz • Dollar • Budget • Thrifty

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

United Airlines ($1,080) and Delta ($1,245) are the cheapest airlines to fly round-trip from London Heathrow Airport to Allentown according to KAYAK data over the last 5 days.

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

Flights via Atlanta Hartsfield-Jackson (ATL) offer the most affordable fares, with an average round-trip price of $831. Based on KAYAK data over the past 3 months.

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

Atlanta Hartsfield-Jackson (ATL) had the shortest average connection time for London Heathrow Airport to Allentown layovers at 7h 39m over the past 3 months.

$675 CHEAP FLIGHTS from London to Allentown (LHR - ABE)

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Cheapest round-trip

$1,062

Typical prices: $809-$911

Iberia, British Airways

Fri 12/14Fri 12/21

LHR - ABE • 1 stop

Cheapest one-way

$675

Typical prices: $1,009-$1,009

Delta

Thu 1/11

LHR - ABE • 1 stop

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Flight Deals

Cheap Flights from London to Allentown (LHR-ABE)

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

Round-trip

One-way

Recent round-trip flight deals from London to Allentown

Mon, Dec 14 - Mon, Dec 21

2:10 pm - 11:25 pmLHR London Heathrow-ABE Allentown-Bethlehem

14h 15m1 stop Charlotte Douglas

5:30 pm - 7:20 amABE Allentown-Bethlehem-LHR London Heathrow

32h 50m1 stop Charlotte Douglas

$1,062Multiple Airlines

Mon, Dec 14 - Mon, Dec 21

9:30 am - 9:51 amLHR London Heathrow-ABE Allentown-Bethlehem

29h 21m2 stops Frankfurt am Main Chicago O'Hare Intl

5:25 pm - 7:55 amABE Allentown-Bethlehem-LHR London Heathrow

33h 30m1 stop Chicago O'Hare Intl

$1,080United Airlines

Thu, Mar 4 - Wed, Mar 31

6:50 am - 5:02 pmLHR London Heathrow-ABE Allentown-Bethlehem

15h 12m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

5:36 pm - 11:55 amABE Allentown-Bethlehem-LHR London Heathrow

13h 19m1 stop Chicago O'Hare Intl

$1,099United Airlines

Thu, Mar 4 - Wed, Mar 31

7:40 am - 5:02 pmLHR London Heathrow-ABE Allentown-Bethlehem

14h 22m1 stop Chicago O'Hare Intl

5:36 pm - 11:55 amABE Allentown-Bethlehem-LHR London Heathrow

13h 19m1 stop Chicago O'Hare Intl

$1,135United Airlines

Wed, Dec 16 - Wed, Dec 23

10:25 am - 9:22 pmLHR London Heathrow-ABE Allentown-Bethlehem

15h 57m1 stop Chicago O'Hare Intl

6:00 am - 5:55 amABE Allentown-Bethlehem-LHR London Heathrow

18h 55m1 stop Chicago O'Hare Intl

$1,157United Airlines

Mon, Dec 14 - Mon, Dec 21

6:30 am - 10:27 pmLHR London Heathrow-ABE Allentown-Bethlehem

20h 57m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

6:25 am - 7:05 amABE Allentown-Bethlehem-LHR London Heathrow

19h 40m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

$1,245Delta

Thu, Dec 17 - Thu, Dec 24

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

15h 00m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

6:00 am - 7:10 amABE Allentown-Bethlehem-LHR London Heathrow

44h 10m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

$1,471United Airlines

Fri, Dec 18 - Fri, Dec 25

4:20 pm - 4:50 pmLHR London Heathrow-ABE Allentown-Bethlehem

29h 30m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

6:00 am - 5:55 amABE Allentown-Bethlehem-LHR London Heathrow

18h 55m1 stop Chicago O'Hare Intl

$1,648United Airlines

Fri, Dec 18 - Fri, Dec 25

4:20 pm - 4:50 pmLHR London Heathrow-ABE Allentown-Bethlehem

29h 30m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

6:00 am - 6:40 amABE Allentown-Bethlehem-LHR London Heathrow

19h 40m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

$1,762United Airlines

Fri, Dec 18 - Fri, Dec 25

7:40 am - 4:50 pmLHR London Heathrow-ABE Allentown-Bethlehem

14h 10m1 stop Chicago O'Hare Intl

5:25 pm - 12:00 pmABE Allentown-Bethlehem-LHR London Heathrow

13h 35m1 stop Chicago O'Hare Intl

$2,282United Airlines

Booking Insights

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

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

Airlines

Layovers

Which airline is the cheapest to fly from London Heathrow Airport to Allentown?: United Airlines ($1,080) and Delta ($1,245) are the cheapest airlines to fly round-trip from London Heathrow Airport to Allentown according to KAYAK data over the last 5 days.

Find deals

Cheapest flight	$675

One-way flight from London Heathrow Airport to Allentown

When to book flights from London to Allentown

Are your dates flexible? Find out the best times to travel from London to Allentown 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.

Do I need a passport to fly from London Heathrow Airport to Allentown?
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 London Heathrow Airport to Allentown looking right now?
One-way fares from London Heathrow Airport to Allentown are currently higher than usual. Average one-way flight prices are about $1,229, which is 21% above the typical average for this route.
What car rental options are available at Allentown-Bethlehem Airport (ABE)?
Allentown-Bethlehem Airport (ABE) hosts 5 major car rental companies, with daily rates averaging $64 for economy cars. Top options include:

• Alamo
• Hertz
• Dollar
• Budget
• Thrifty
Which airports can I use when flying from London Heathrow Airport to Allentown?
Flights from London Heathrow Airport to Allentown usually depart from London Heathrow (LHR) and arrive at Allentown-Bethlehem (ABE).
Which airports do connecting flights from London Heathrow Airport to Allentown pass through?
Most connecting flights from London Heathrow Airport to Allentown pass through Atlanta Hartsfield-Jackson (ATL), which handles 100% of one-stop traffic on this route.
Can I save money by using flexible dates for flights from London Heathrow Airport to Allentown?
Yes. Flexible dates can save you up to 23% on flights from London Heathrow Airport to Allentown. Tuesday is the cheapest departure day at $712 round-trip on average, while Monday is the most expensive at $915, a difference of $203.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What is the time difference between London Heathrow Airport and Allentown?
Allentown is 5 hours behind London Heathrow Airport (Eastern Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Tuesday departure and avoid flying on Monday. On this route, Tuesday flights average $712, about $203 less than Monday fares (22% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Allentown-Bethlehem Airport.

• Days Hotel by Wyndham Allentown Airport / Lehigh Valley
• Super 8 by Wyndham Allentown
• Staybridge Suites Allentown Bethlehem Airport By IHG

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LHR - ABE

$675 Find Cheap Flights from London to Allentown - Compare and Save

Everything you should know

Cheap Flights from London to Allentown (LHR-ABE)

Recent round-trip flight deals from London to Allentown

Recent one-way flight deals from London to Allentown

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

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

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

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

Key details for London Heathrow Airport to Allentown flights

Cheapest flight

When to book flights from London to Allentown

Your London Heathrow Airport to Allentown flight questions, answered

Your guide to booking London Heathrow Airport to Allentown flights

More options for your flight from London to Allentown

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

Information on your arrival and departure airports

Cabin class types available on flights to Allentown

Find direct flights to and from London and Allentown

Flights from domestic origins to Allentown

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