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Cheap flights from London Heathrow Airport to Allentown from £544

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
11:00 - 22:59LHR  London Heathrow-ABE Allentown-Bethlehem
16h 59m1 stop Chicago O'Hare Intl
Multiple Airlines Logo
18:15 - 11:35ABE  Allentown-Bethlehem-LHR London Heathrow
12h 20m1 stop Chicago O'Hare Intl
£662Multiple Airlines
Mon, 16 Nov - Mon, 7 Dec
Delta Logo
09:55 - 22:16LHR  London Heathrow-ABE Allentown-Bethlehem
17h 21m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
Delta Logo
18:04 - 11:20ABE  Allentown-Bethlehem-LHR London Heathrow
12h 16m1 stop Atlanta Hartsfield-Jackson
£664Delta
Mon, 14 Sep - Mon, 21 Sep
Finnair Logo
11:00 - 00:28LHR  London Heathrow-ABE Allentown-Bethlehem
18h 28m2 stops Chicago O'Hare Intl Charlotte Douglas
Finnair Logo
18:20 - 08:35ABE  Allentown-Bethlehem-LHR London Heathrow
33h 15m1 stop Chicago O'Hare Intl
£667Finnair
Wed, 17 Feb - Sun, 21 Feb
Delta Logo
06:15 - 17:21LHR  London Heathrow-ABE Allentown-Bethlehem
16h 06m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson
Delta Logo
06:25 - 06:45ABE  Allentown-Bethlehem-LHR London Heathrow
19h 20m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl
£669Delta
Tue, 15 Sep - Tue, 22 Sep
Delta Logo
11:45 - 12:05LHR  London Heathrow-ABE Allentown-Bethlehem
28h 20m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
Delta Logo
17:40 - 11:40ABE  Allentown-Bethlehem-LHR London Heathrow
13h 00m1 stop Atlanta Hartsfield-Jackson
£674Delta
Wed, 28 Oct - Wed, 6 Jan
Delta Logo
13:25 - 22:16LHR  London Heathrow-ABE Allentown-Bethlehem
13h 51m1 stop Atlanta Hartsfield-Jackson
Delta Logo
18:08 - 13:15ABE  Allentown-Bethlehem-LHR London Heathrow
14h 07m1 stop Atlanta Hartsfield-Jackson
£678Delta
Tue, 15 Sep - Tue, 22 Sep
Virgin Atlantic Logo
06:30 - 17:15LHR  London Heathrow-ABE Allentown-Bethlehem
39h 45m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
12:50 - 06:25ABE  Allentown-Bethlehem-LHR London Heathrow
12h 35m1 stop Atlanta Hartsfield-Jackson
£685Virgin Atlantic
Mon, 16 Nov - Mon, 7 Dec
Delta Logo
16:00 - 12:05LHR  London Heathrow-ABE Allentown-Bethlehem
24h 05m1 stop Atlanta Hartsfield-Jackson
Delta Logo
17:40 - 11:40ABE  Allentown-Bethlehem-LHR London Heathrow
13h 00m1 stop Atlanta Hartsfield-Jackson
£688Delta
Wed, 28 Oct - Wed, 6 Jan
Delta Logo
17:35 - 17:16LHR  London Heathrow-ABE Allentown-Bethlehem
28h 41m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson
Delta Logo
17:40 - 06:25ABE  Allentown-Bethlehem-LHR London Heathrow
31h 45m1 stop Atlanta Hartsfield-Jackson
£688Delta
Sun, 1 Nov - Sun, 10 Jan
Multiple Airlines Logo
13:10 - 22:18LHR  London Heathrow-ABE Allentown-Bethlehem
14h 08m1 stop Chicago O'Hare Intl
Multiple Airlines Logo
09:13 - 11:15ABE  Allentown-Bethlehem-LHR London Heathrow
21h 02m1 stop Chicago O'Hare Intl
£692Multiple Airlines
Wed, 16 Sep - Sun, 20 Sep

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Delta flights from London Heathrow Airport to Allentown

Our best Delta deals on London Heathrow Airport to Allentown flight tickets
Delta
14 Sept
LHR09:55London Heathrow
17h 21m
2 stops
ABE22:16Allentown-Bethlehem
21 Sept
ABE18:04Allentown-Bethlehem
12h 16m
1 stop
LHR11:20London Heathrow
£664
Delta
15 Sept
LHR06:15London Heathrow
16h 06m
2 stops
ABE17:21Allentown-Bethlehem
22 Sept
ABE06:25Allentown-Bethlehem
19h 20m
2 stops
LHR06:45London Heathrow
£669
Delta
28 Oct
LHR11:45London Heathrow
28h 20m
2 stops
ABE12:05Allentown-Bethlehem
6 Jan
ABE17:40Allentown-Bethlehem
13h 00m
1 stop
LHR11:40London Heathrow
£674

United Airlines flights from London Heathrow Airport to Allentown

Our best United Airlines deals on London Heathrow Airport to Allentown flight tickets
United Airlines
19 Oct
LHR14:10London Heathrow
24h 25m
1 stop
ABE09:35Allentown-Bethlehem
25 Oct
ABE17:36Allentown-Bethlehem
14h 24m
1 stop
LHR12:00London Heathrow
£744
United Airlines
14 Sept
LHR07:25London Heathrow
18h 35m
2 stops
ABE21:00Allentown-Bethlehem
20 Sept
ABE18:01Allentown-Bethlehem
22h 34m
2 stops
LHR21:35London Heathrow
£753
United Airlines
1 Nov
LHR11:05London Heathrow
34h 51m
2 stops
ABE16:56Allentown-Bethlehem
10 Jan
ABE17:36Allentown-Bethlehem
22h 44m
2 stops
LHR21:20London Heathrow
£765

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

Mon 16/11

11:00-22:59

1 stop16h 59m

Allentown-Bethlehem

Mon 7/12

18:15-11:35

1 stop12h 20m

£662

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Mon 14/9

09:55-22:16

2 stops17h 21m

Allentown-Bethlehem

Mon 21/9

18:04-11:20

1 stop12h 16m

£664

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Wed 17/2

11:00-00:28

2 stops18h 28m

Allentown-Bethlehem

Sun 21/2

18:20-08:35

1 stop33h 15m

£667

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 15/9

06:15-17:21

2 stops16h 06m

Allentown-Bethlehem

Tue 22/9

06:25-06:45

2 stops19h 20m

£669

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Wed 28/10

11:45-12:05

2 stops28h 20m

Allentown-Bethlehem

Wed 6/1

17:40-11:40

1 stop13h 00m

£674
Fastest return journey

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 15/9

13:25-22:16

1 stop13h 51m

Allentown-Bethlehem

Tue 22/9

18:08-13:15

1 stop14h 07m

£678

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Mon 16/11

06:30-17:15

2 stops39h 45m

Allentown-Bethlehem

Mon 7/12

12:50-06:25

1 stop12h 35m

£685

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Wed 28/10

16:00-12:05

1 stop24h 05m

Allentown-Bethlehem

Wed 6/1

17:40-11:40

1 stop13h 00m

£688

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Sun 1/11

17:35-17:16

2 stops28h 41m

Allentown-Bethlehem

Sun 10/1

17:40-06:25

1 stop31h 45m

£688

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Wed 16/9

13:10-22:18

1 stop14h 08m

Allentown-Bethlehem

Sun 20/9

09:13-11:15

1 stop21h 02m

£692

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 and Delta are the most popular carriers 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 15 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

£544

Fastest flight time

15h 12m

Direct flights

None
The best one-way flight to Allentown from London Heathrow Airport in the past 72 hours is £544. The best return flight deal from London Heathrow Airport to Allentown found on momondo in the last 72 hours is £662.
The fastest flight from London Heathrow Airport to Allentown takes 15h 12m
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 15h 12m, 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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