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Cheap flights from London Heathrow Airport to Allentown from £546

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from London Heathrow Airport to Allentown

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:40 - 23:57LHR  London Heathrow-ABE Allentown-Bethlehem
13h 17m1 stop Chicago O'Hare Intl
Multiple Airlines Logo
05:30 - 11:35ABE  Allentown-Bethlehem-LHR London Heathrow
25h 05m1 stop Chicago O'Hare Intl
£717Multiple Airlines
Wed, 2 Dec - Wed, 9 Dec
British Airways Logo
17:15 - 12:17LHR  London Heathrow-ABE Allentown-Bethlehem
24h 02m2 stops Toronto Pearson Intl Charlotte Douglas
British Airways Logo
12:52 - 09:40ABE  Allentown-Bethlehem-LHR London Heathrow
15h 48m1 stop Charlotte Douglas
£723British Airways
Tue, 1 Dec - Tue, 8 Dec
Multiple Airlines Logo
10:00 - 22:27LHR  London Heathrow-ABE Allentown-Bethlehem
17h 27m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
Multiple Airlines Logo
12:50 - 11:40ABE  Allentown-Bethlehem-LHR London Heathrow
17h 50m1 stop Atlanta Hartsfield-Jackson
£724Multiple Airlines
Tue, 1 Dec - Tue, 8 Dec
Air France Logo
08:55 - 17:13LHR  London Heathrow-ABE Allentown-Bethlehem
13h 18m1 stop Atlanta Hartsfield-Jackson
Air France Logo
12:50 - 07:50ABE  Allentown-Bethlehem-LHR London Heathrow
14h 00m1 stop Atlanta Hartsfield-Jackson
£731Air France
Tue, 1 Dec - Tue, 8 Dec
Virgin Atlantic Logo
08:55 - 17:13LHR  London Heathrow-ABE Allentown-Bethlehem
13h 18m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
17:58 - 11:40ABE  Allentown-Bethlehem-LHR London Heathrow
12h 42m1 stop Atlanta Hartsfield-Jackson
£734Virgin Atlantic
Tue, 1 Dec - Tue, 8 Dec
Virgin Atlantic Logo
09:40 - 22:27LHR  London Heathrow-ABE Allentown-Bethlehem
17h 47m2 stops Boston Logan Intl Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
06:39 - 06:50ABE  Allentown-Bethlehem-LHR London Heathrow
19h 11m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl
£736Virgin Atlantic
Tue, 1 Dec - Tue, 8 Dec
American Airlines Logo
11:45 - 00:17LHR  London Heathrow-ABE Allentown-Bethlehem
17h 32m1 stop Charlotte Douglas
American Airlines Logo
12:52 - 07:20ABE  Allentown-Bethlehem-LHR London Heathrow
13h 28m1 stop Charlotte Douglas
£741American Airlines
Tue, 1 Dec - Tue, 8 Dec
Delta Logo
06:30 - 22:27LHR  London Heathrow-ABE Allentown-Bethlehem
20h 57m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
Delta Logo
06:39 - 07:05ABE  Allentown-Bethlehem-LHR London Heathrow
19h 26m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul
£743Delta
Tue, 1 Dec - Tue, 8 Dec
Delta Logo
10:00 - 22:27LHR  London Heathrow-ABE Allentown-Bethlehem
17h 27m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
Delta Logo
06:39 - 07:45ABE  Allentown-Bethlehem-LHR London Heathrow
20h 06m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County
£744Delta
Wed, 2 Dec - Wed, 9 Dec
United Airlines Logo
09:00 - 09:28LHR  London Heathrow-ABE Allentown-Bethlehem
29h 28m2 stops Zurich Chicago O'Hare Intl
United Airlines Logo
06:00 - 05:55ABE  Allentown-Bethlehem-LHR London Heathrow
18h 55m1 stop Chicago O'Hare Intl
£754United Airlines
Wed, 2 Dec - Wed, 9 Dec

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United Airlines flights from London Heathrow Airport to Allentown

Our best United Airlines deals on London Heathrow Airport to Allentown flight tickets
United Airlines
2 Dec
LHR09:00London Heathrow
29h 28m
2 stops
ABE09:28Allentown-Bethlehem
9 Dec
ABE06:00Allentown-Bethlehem
18h 55m
1 stop
LHR05:55London Heathrow
£754
United Airlines
2 Dec
LHR06:35London Heathrow
19h 47m
2 stops
ABE21:22Allentown-Bethlehem
10 Dec
ABE10:05Allentown-Bethlehem
14h 50m
1 stop
LHR05:55London Heathrow
£758
United Airlines
11 Nov
LHR06:35London Heathrow
19h 27m
2 stops
ABE21:02Allentown-Bethlehem
15 Nov
ABE17:36Allentown-Bethlehem
36h 39m
2 stops
LHR11:15London Heathrow
£764

Delta flights from London Heathrow Airport to Allentown

Our best Delta deals on London Heathrow Airport to Allentown flight tickets
Delta
1 Dec
LHR08:40London Heathrow
18h 47m
2 stops
ABE22:27Allentown-Bethlehem
8 Dec
ABE12:50Allentown-Bethlehem
17h 50m
1 stop
LHR11:40London Heathrow
£743
Delta
2 Dec
LHR10:00London Heathrow
17h 27m
2 stops
ABE22:27Allentown-Bethlehem
9 Dec
ABE06:39Allentown-Bethlehem
20h 06m
2 stops
LHR07:45London Heathrow
£744
Delta
24 Oct
LHR13:25London Heathrow
13h 54m
1 stop
ABE22:19Allentown-Bethlehem
31 Oct
ABE14:30Allentown-Bethlehem
14h 30m
1 stop
LHR09:00London Heathrow
£1,322

momondo Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Allentown that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Wed 2/12

15:40-23:57

1 stop13h 17m

Allentown-Bethlehem

Wed 9/12

05:30-11:35

1 stop25h 05m

£717

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 1/12

17:15-12:17

2 stops24h 02m

Allentown-Bethlehem

Tue 8/12

12:52-09:40

1 stop15h 48m

£723

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 1/12

10:00-22:27

2 stops17h 27m

Allentown-Bethlehem

Tue 8/12

12:50-11:40

1 stop17h 50m

£724

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 1/12

08:55-17:13

1 stop13h 18m

Allentown-Bethlehem

Tue 8/12

12:50-07:50

1 stop14h 00m

£731
Fastest return journey

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 1/12

08:55-17:13

1 stop13h 18m

Allentown-Bethlehem

Tue 8/12

17:58-11:40

1 stop12h 42m

£734

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 1/12

09:40-22:27

2 stops17h 47m

Allentown-Bethlehem

Tue 8/12

06:39-06:50

2 stops19h 11m

£736

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 1/12

11:45-00:17

1 stop17h 32m

Allentown-Bethlehem

Tue 8/12

12:52-07:20

1 stop13h 28m

£741

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 1/12

06:30-22:27

2 stops20h 57m

Allentown-Bethlehem

Tue 8/12

06:39-07:05

2 stops19h 26m

£743

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Wed 2/12

10:00-22:27

2 stops17h 27m

Allentown-Bethlehem

Wed 9/12

06:39-07:45

2 stops20h 06m

£744

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Wed 2/12

09:00-09:28

2 stops29h 28m

Allentown-Bethlehem

Wed 9/12

06:00-05:55

1 stop18h 55m

£754

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Allentown from

How to get the cheapest flight ticket from London Heathrow Airport to Allentown

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 London Heathrow to Allentown-Bethlehem?

United Airlines is the most popular carrier operating from London Heathrow to Allentown-Bethlehem

Which airlines fly to Allentown?

British Airways, Lufthansa and United Airlines are the top three most popular airlines that fly to Allentown from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 44% of people opting to fly with this airline when travelling to Allentown. Keep in mind that there are 16 different airlines that fly to Allentown on a routine basis, so you have a few additional options to choose from.

When to book flights from London Heathrow Airport to Allentown

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

Cheap London Heathrow Airport to Allentown (LHR to ABE) flight deals and tips

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

Best price found

£546

Fastest flight time

13h 17m

Direct flights

None
The best one-way flight to Allentown from London Heathrow Airport in the past 72 hours is £546. The best return flight deal from London Heathrow Airport to Allentown found on momondo in the last 72 hours is £717.
The fastest flight from London Heathrow Airport to Allentown takes 13h 17m
There are no direct flights from London Heathrow Airport to Allentown. There are no popular flight routes from London Heathrow Airport to Allentown.
Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Allentown

  • How far is London Heathrow to Allentown-Bethlehem by plane?

    A flight from London Heathrow to Allentown-Bethlehem will travel around 3510.6 mi. Flights usually cover this in 13h 17m, depending on flying conditions and air traffic around both airports.

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Allentown-Bethlehem Airport.

  • What documentation or ID do you need to fly to Allentown-Bethlehem Airport?

    The travel and health documents you'll need for your trip to Allentown-Bethlehem Airport 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 Allentown-Bethlehem Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Allentown for you.

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

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

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

Once all potential London to Allentown flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for London to Allentown flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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