When did momondo last update prices for flights from Allentown-Bethlehem Airport to London?

Prices for flights from Allentown-Bethlehem Airport to London are refreshed on a daily basis.

How old do you have to be to fly from Allentown-Bethlehem Airport to London?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Allentown-Bethlehem Airport to London.

What documentation or ID do you need to fly to London?

The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£284 Cheap Flights from Allentown to London in 2025/26

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Find the cheapest flights from Allentown to London

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12:48 - 07:50

ABE

LHR

14h 02m1 stop

06:20 - 22:50

LHR

ABE

21h 30m2 stops

£467Delta

Fri, 6 Feb - Tue, 10 Feb

14:00 - 09:00

ABE

LHR

14h 00m1 stop

08:40 - 22:10

LHR

ABE

18h 30m2 stops

£471Delta

Sat, 17 Jan - Sat, 24 Jan

17:59 - 11:40

ABE

LHR

12h 41m1 stop

08:55 - 22:45

LHR

ABE

18h 50m1 stop

£472KLM

Sun, 1 Feb - Sat, 21 Feb

06:28 - 09:05

ABE

LHR

21h 37m2 stops

06:30 - 22:10

LHR

ABE

20h 40m2 stops

£474Delta

Sat, 17 Jan - Sat, 24 Jan

06:28 - 08:45

ABE

LHR

21h 17m2 stops

10:45 - 22:45

LHR

ABE

17h 00m1 stop

£475Delta

Sun, 1 Feb - Sat, 21 Feb

12:39 - 08:45

ABE

LHR

15h 06m2 stops

13:00 - 12:05

LHR

ABE

28h 05m2 stops

£483Delta

Sun, 1 Feb - Sat, 21 Feb

14:00 - 11:40

ABE

LHR

16h 40m1 stop

08:55 - 17:14

LHR

ABE

13h 19m1 stop

£491KLM

Sat, 17 Jan - Sat, 24 Jan

17:07 - 11:15

ABE

LHR

13h 08m1 stop

18:00 - 10:41

LHR

ABE

45h 41m2 stops

£516United Airlines

Wed, 31 Dec - Wed, 7 Jan

06:17 - 06:40

ABE

LHR

19h 23m2 stops

18:00 - 10:41

LHR

ABE

45h 41m2 stops

£520United Airlines

Wed, 31 Dec - Wed, 7 Jan

14:00 - 18:30

ABE

LCY

23h 30m3 stops

13:45 - 22:01

LCY

ABE

37h 16m3 stops

£1,254Multiple Airlines

Sun, 18 Jan - Sun, 25 Jan

United Airlines flights from Allentown to London

Our best United Airlines deals on Allentown to London flight tickets

United Airlines

31 Dec

ABE17:07Allentown-Bethlehem

13h 08m

1 stop

LHR11:15London Heathrow

7 Jan

LHR18:00London Heathrow

45h 41m

2 stops

ABE10:41Allentown-Bethlehem

£516

Find similar

United Airlines

31 Dec

ABE06:17Allentown-Bethlehem

19h 23m

2 stops

LHR06:40London Heathrow

7 Jan

LHR18:00London Heathrow

45h 41m

2 stops

ABE10:41Allentown-Bethlehem

£520

Find similar

United Airlines

30 Jan

ABE16:57Allentown-Bethlehem

13h 18m

1 stop

LHR11:15London Heathrow

3 Feb

LHR06:50London Heathrow

19h 15m

2 stops

ABE21:05Allentown-Bethlehem

£531

Find similar

Delta flights from Allentown to London

Our best Delta deals on Allentown to London flight tickets

Delta

17 Jan

ABE14:00Allentown-Bethlehem

14h 00m

1 stop

LHR09:00London Heathrow

24 Jan

LHR08:40London Heathrow

18h 30m

2 stops

ABE22:10Allentown-Bethlehem

£471

Find similar

Delta

17 Jan

ABE06:28Allentown-Bethlehem

21h 37m

2 stops

LHR09:05London Heathrow

24 Jan

LHR06:30London Heathrow

20h 40m

2 stops

ABE22:10Allentown-Bethlehem

£474

Find similar

Delta

1 Feb

ABE06:28Allentown-Bethlehem

21h 17m

2 stops

LHR08:45London Heathrow

21 Feb

LHR10:45London Heathrow

17h 00m

1 stop

ABE22:45Allentown-Bethlehem

£475

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Fri 6/2

12:48-07:50

1 stop14h 02m

London Heathrow

Tue 10/2

06:20-22:50

2 stops21h 30m

£467

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Sat 17/1

14:00-09:00

1 stop14h 00m

London Heathrow

Sat 24/1

08:40-22:10

2 stops18h 30m

£471

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Sun 1/2

17:59-11:40

1 stop12h 41m

London Heathrow

Sat 21/2

08:55-22:45

1 stop18h 50m

£472

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Sat 17/1

06:28-09:05

2 stops21h 37m

London Heathrow

Sat 24/1

06:30-22:10

2 stops20h 40m

£474

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Sun 1/2

06:28-08:45

2 stops21h 17m

London Heathrow

Sat 21/2

10:45-22:45

1 stop17h 00m

£475

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Sun 1/2

12:39-08:45

2 stops15h 06m

London Heathrow

Sat 21/2

13:00-12:05

2 stops28h 05m

£483

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Sat 17/1

14:00-11:40

1 stop16h 40m

London Heathrow

Sat 24/1

08:55-17:14

1 stop13h 19m

£491

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Wed 31/12

17:07-11:15

1 stop13h 08m

London Heathrow

Wed 7/1

18:00-10:41

2 stops45h 41m

£516

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Wed 31/12

06:17-06:40

2 stops19h 23m

London Heathrow

Wed 7/1

18:00-10:41

2 stops45h 41m

£520

AllentownLondon

ABE - LCY

ABELCY

Allentown-Bethlehem

Sun 18/1

14:00-18:30

3 stops23h 30m

London City

Sun 25/1

13:45-22:01

3 stops37h 16m

£1,254

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from Allentown to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Allentown-Bethlehem to London?

Delta and United Airlines are the most popular carriers operating from Allentown-Bethlehem to London

Which airlines fly to London?

British Airways, United Airlines and Lufthansa are the top three most popular airlines that fly to London from Allentown according to our data. British Airways is the first choice among our users, with 38% of people opting to fly with this airline when travelling to London. Keep in mind that there are 7 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

When to book flights from Allentown to London

Are you open to changing your travel dates? Check out the ideal times to fly from Allentown to London according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Allentown to London (ABE to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Allentown to London

Fastest flight time	12h 41m
Direct flights	None

The fastest flight from Allentown to London takes 12h 41m

There are no direct flights from Allentown to London. There are no popular flight routes from Allentown to London.

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How far is Allentown-Bethlehem to London by plane?
The distance between Allentown-Bethlehem and London is about 3523.4 mi. Flights usually cover this in 12h 41m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Allentown-Bethlehem Airport to London?
Prices for flights from Allentown-Bethlehem Airport to London are refreshed on a daily basis.
How old do you have to be to fly from Allentown-Bethlehem Airport to London?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Allentown-Bethlehem Airport to London.
What documentation or ID do you need to fly to London?
The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Eastbourne

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Canterbury

Southend-on-Sea

Ipswich

Ilford

Guildford

Hayes

Dover

Chelmsford

Colchester

Worthing

Bedford

Ramsgate

Hounslow

Stansted

Why use momondo?

Why should I use momondo to find a flight deal from Allentown to London?

Finding the right flight to London from Allentown is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from Allentown to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Allentown to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Allentown to London?

momondo helps you find the best flight between Allentown and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Allentown to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Allentown to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.