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.

£293 Cheap Flights from Allentown to London in 2026

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06:15 - 06:45

ABE

LHR

19h 30m

1 stop

16:25 - 20:58

LHR

ABE

33h 33m

2 stops

£488United Airlines

Sun, 26 Apr - Mon, 11 May

17:58 - 06:45

ABE

LHR

31h 47m

1 stop

08:55 - 22:59

LHR

ABE

19h 04m

2 stops

£489Delta

Sat, 11 Apr - Wed, 22 Apr

17:58 - 06:45

ABE

LHR

31h 47m

1 stop

11:15 - 22:59

LHR

ABE

16h 44m

1 stop

£506Delta

Sat, 11 Apr - Wed, 22 Apr

17:23 - 11:15

ABE

LHR

12h 52m

1 stop

09:00 - 20:53

LHR

ABE

16h 53m

2 stops

£506United Airlines

Fri, 13 Feb - Wed, 18 Feb

11:30 - 06:40

ABE

LHR

14h 10m

2 stops

09:00 - 21:05

LHR

ABE

17h 05m

2 stops

£509United Airlines

Fri, 6 Feb - Tue, 10 Feb

11:30 - 11:15

ABE

LHR

18h 45m

1 stop

10:25 - 21:05

LHR

ABE

15h 40m

1 stop

£527United Airlines

Fri, 6 Feb - Tue, 10 Feb

06:20 - 06:40

ABE

LHR

19h 20m

2 stops

07:40 - 16:51

LHR

ABE

13h 11m

1 stop

£531United Airlines

Sat, 7 Mar - Sat, 14 Mar

17:59 - 13:15

ABE

LHR

14h 16m

1 stop

09:20 - 22:56

LHR

ABE

18h 36m

1 stop

£539Delta

Sun, 26 Apr - Mon, 11 May

17:58 - 07:15

ABE

LHR

32h 17m

2 stops

08:55 - 22:59

LHR

ABE

19h 04m

2 stops

£553Delta

Sat, 11 Apr - Thu, 23 Apr

17:58 - 07:15

ABE

LHR

32h 17m

2 stops

09:20 - 17:19

LHR

ABE

12h 59m

1 stop

£570Delta

Sat, 11 Apr - Fri, 24 Apr

United Airlines flights from Allentown to London

Our best United Airlines deals on Allentown to London flight tickets

United Airlines

26 Apr

ABE06:15Allentown-Bethlehem

19h 30m

1 stop

LHR06:45London Heathrow

11 May

LHR16:25London Heathrow

33h 33m

2 stops

ABE20:58Allentown-Bethlehem

£488

United Airlines

6 Feb

ABE16:57Allentown-Bethlehem

13h 18m

1 stop

LHR11:15London Heathrow

10 Feb

LHR06:50London Heathrow

19h 15m

2 stops

ABE21:05Allentown-Bethlehem

£506

United Airlines

13 Feb

ABE17:23Allentown-Bethlehem

12h 52m

1 stop

LHR11:15London Heathrow

18 Feb

LHR09:00London Heathrow

16h 53m

2 stops

ABE20:53Allentown-Bethlehem

£506

Delta flights from Allentown to London

Our best Delta deals on Allentown to London flight tickets

Delta

11 Apr

ABE17:58Allentown-Bethlehem

31h 47m

1 stop

LHR06:45London Heathrow

22 Apr

LHR08:55London Heathrow

19h 04m

2 stops

ABE22:59Allentown-Bethlehem

£489

Delta

26 Apr

ABE17:59Allentown-Bethlehem

14h 16m

1 stop

LHR13:15London Heathrow

11 May

LHR09:20London Heathrow

18h 36m

1 stop

ABE22:56Allentown-Bethlehem

£539

Delta

11 Apr

ABE17:58Allentown-Bethlehem

32h 17m

2 stops

LHR07:15London Heathrow

23 Apr

LHR08:55London Heathrow

19h 04m

2 stops

ABE22:59Allentown-Bethlehem

£553

Fly from

Fly to

Route

Depart

Return

Price

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Sun 26/4

06:15-06:45

1 stop19h 30m

London Heathrow

Mon 11/5

16:25-20:58

2 stops33h 33m

£488

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Sat 11/4

17:58-06:45

1 stop31h 47m

London Heathrow

Wed 22/4

08:55-22:59

2 stops19h 04m

£489

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Sat 11/4

17:58-06:45

1 stop31h 47m

London Heathrow

Wed 22/4

11:15-22:59

1 stop16h 44m

£506

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Fri 13/2

17:23-11:15

1 stop12h 52m

London Heathrow

Wed 18/2

09:00-20:53

2 stops16h 53m

£506

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Fri 6/2

11:30-06:40

2 stops14h 10m

London Heathrow

Tue 10/2

09:00-21:05

2 stops17h 05m

£509

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Fri 6/2

11:30-11:15

1 stop18h 45m

London Heathrow

Tue 10/2

10:25-21:05

1 stop15h 40m

£527

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Sat 7/3

06:20-06:40

2 stops19h 20m

London Heathrow

Sat 14/3

07:40-16:51

1 stop13h 11m

£531

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Sun 26/4

17:59-13:15

1 stop14h 16m

London Heathrow

Mon 11/5

09:20-22:56

1 stop18h 36m

£539

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Sat 11/4

17:58-07:15

2 stops32h 17m

London Heathrow

Thu 23/4

08:55-22:59

2 stops19h 04m

£553

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Sat 11/4

17:58-07:15

2 stops32h 17m

London Heathrow

Fri 24/4

09:20-17:19

1 stop12h 59m

£570

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 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?

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

Which airlines fly to London?

United Airlines, British Airways and Lufthansa are the top three most popular airlines that fly to London from Allentown according to our data. United Airlines is the first choice among our users, with 37% 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 45m
Direct flights	None

The fastest flight from Allentown to London takes 12h 45m

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 45m, 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.

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Gatwick

Maidstone

Slough

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Chelmsford

Hayes

Dover

Bedford

Worthing

Ramsgate

Colchester

Folkestone

Winchester

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.