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Cheap flights from the United Kingdom to Allentown from £503

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Allentown departing on 14/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from the United Kingdom to Allentown

Recent return flight deals from the United Kingdom to Allentown

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:15 - 23:16
LHR
-
ABE
13h 01m
1 stop
Multiple Airlines Logo
17:06 - 11:15
ABE
-
LHR
13h 09m
1 stop
£755Multiple Airlines
Thu, 28 May - Thu, 4 Jun
Multiple Airlines Logo
15:15 - 23:16
LHR
-
ABE
13h 01m
1 stop
Multiple Airlines Logo
17:06 - 11:15
ABE
-
LHR
13h 09m
1 stop
£767Multiple Airlines
Fri, 29 May - Fri, 5 Jun
Delta Logo
06:30 - 22:18
LHR
-
ABE
20h 48m
2 stops
Delta Logo
06:23 - 06:25
ABE
-
LHR
19h 02m
1 stop
£783Delta
Fri, 29 May - Fri, 5 Jun
Delta Logo
08:40 - 22:18
LHR
-
ABE
18h 38m
2 stops
Delta Logo
06:23 - 06:25
ABE
-
LHR
19h 02m
1 stop
£784Delta
Thu, 28 May - Thu, 4 Jun
Virgin Atlantic Logo
13:00 - 22:18
MAN
-
ABE
14h 18m
1 stop
Virgin Atlantic Logo
18:09 - 09:40
ABE
-
MAN
34h 31m
2 stops
£825Virgin Atlantic
Fri, 29 May - Sun, 5 Jul
Virgin Atlantic Logo
09:00 - 17:19
MAN
-
ABE
37h 19m
2 stops
Virgin Atlantic Logo
18:15 - 07:15
ABE
-
MAN
32h 00m
1 stop
£884Virgin Atlantic
Sat, 2 May - Sat, 9 May
United Airlines Logo
08:00 - 17:01
LHR
-
ABE
14h 01m
1 stop
United Airlines Logo
10:38 - 06:45
ABE
-
LHR
15h 07m
1 stop
£913United Airlines
Wed, 27 May - Wed, 3 Jun
KLM Logo
05:45 - 22:18
EDI
-
ABE
21h 33m
2 stops
KLM Logo
06:23 - 07:05
ABE
-
EDI
19h 42m
2 stops
£940KLM
Thu, 28 May - Thu, 4 Jun
United Airlines Logo
08:45 - 13:48
LHR
-
ABE
34h 03m
2 stops
United Airlines Logo
06:15 - 05:55
ABE
-
LHR
18h 40m
2 stops
£941United Airlines
Tue, 26 May - Tue, 2 Jun
KLM Logo
09:00 - 22:18
EDI
-
ABE
18h 18m
1 stop
KLM Logo
06:23 - 07:05
ABE
-
EDI
19h 42m
2 stops
£949KLM
Thu, 28 May - Thu, 4 Jun

United Airlines flights from United Kingdom to Allentown

Our best United Airlines deals on United Kingdom to Allentown flight tickets
United Airlines
27 May
LHR08:00London Heathrow
14h 01m
1 stop
ABE17:01Allentown-Bethlehem
3 Jun
ABE10:38Allentown-Bethlehem
15h 07m
1 stop
LHR06:45London Heathrow
£913
United Airlines
26 May
LHR08:45London Heathrow
34h 03m
2 stops
ABE13:48Allentown-Bethlehem
2 Jun
ABE06:15Allentown-Bethlehem
18h 40m
2 stops
LHR05:55London Heathrow
£941
United Airlines
27 May
MAN06:05Manchester
20h 12m
2 stops
ABE21:17Allentown-Bethlehem
3 Jun
ABE10:38Allentown-Bethlehem
38h 52m
2 stops
MAN06:30Manchester
£955

Delta flights from United Kingdom to Allentown

Our best Delta deals on United Kingdom to Allentown flight tickets
Delta
29 May
LHR06:30London Heathrow
20h 48m
2 stops
ABE22:18Allentown-Bethlehem
5 Jun
ABE06:23Allentown-Bethlehem
19h 02m
1 stop
LHR06:25London Heathrow
£783
Delta
28 May
LHR08:40London Heathrow
18h 38m
2 stops
ABE22:18Allentown-Bethlehem
4 Jun
ABE06:23Allentown-Bethlehem
19h 02m
1 stop
LHR06:25London Heathrow
£784
Delta
28 May
LHR06:30London Heathrow
20h 48m
2 stops
ABE22:18Allentown-Bethlehem
4 Jun
ABE06:23Allentown-Bethlehem
19h 52m
2 stops
LHR07:15London Heathrow
£816

momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom to Allentown that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 14 April 2026.
Use the filters below to find and compare flights from the United Kingdom to Allentown that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 28/5

15:15-23:16

1 stop13h 01m

Allentown-Bethlehem

Thu 4/6

17:06-11:15

1 stop13h 09m

£755

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 29/5

15:15-23:16

1 stop13h 01m

Allentown-Bethlehem

Fri 5/6

17:06-11:15

1 stop13h 09m

£767

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 29/5

06:30-22:18

2 stops20h 48m

Allentown-Bethlehem

Fri 5/6

06:23-06:25

1 stop19h 02m

£783

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 28/5

08:40-22:18

2 stops18h 38m

Allentown-Bethlehem

Thu 4/6

06:23-06:25

1 stop19h 02m

£784

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Fri 29/5

13:00-22:18

1 stop14h 18m

Allentown-Bethlehem

Sun 5/7

18:09-09:40

2 stops34h 31m

£825

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Sat 2/5

09:00-17:19

2 stops37h 19m

Allentown-Bethlehem

Sat 9/5

18:15-07:15

1 stop32h 00m

£884

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 27/5

08:00-17:01

1 stop14h 01m

Allentown-Bethlehem

Wed 3/6

10:38-06:45

1 stop15h 07m

£913

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Thu 28/5

05:45-22:18

2 stops21h 33m

Allentown-Bethlehem

Thu 4/6

06:23-07:05

2 stops19h 42m

£940

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Tue 26/5

08:45-13:48

2 stops34h 03m

Allentown-Bethlehem

Tue 2/6

06:15-05:55

2 stops18h 40m

£941

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Thu 28/5

09:00-22:18

1 stop18h 18m

Allentown-Bethlehem

Thu 4/6

06:23-07:05

2 stops19h 42m

£949

Flights are sorted by cheapest return flights first.

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

How to get the cheapest flight ticket from United Kingdom 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 United Kingdom to Allentown-Bethlehem?

Delta, WestJet, and United Airlines are the most popular carriers operating from United Kingdom to Allentown-Bethlehem

Which airlines fly to Allentown?

British Airways, Lufthansa and Aer Lingus are the top three most popular airlines that fly to Allentown from United Kingdom according to our data. British Airways is the first choice among our users, with 45% of people opting to fly with this airline when travelling to Allentown. Keep in mind that there are 19 different airlines that fly to Allentown on a routine basis, so you have a few additional options to choose from.

Cheap United Kingdom to Allentown flight deals and tips

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

Fastest flight time

13h 00m

Direct flights

None
The fastest flight from United Kingdom to Allentown takes 13h 00m
There are no direct flights from United Kingdom to Allentown. There are no popular flight routes from United Kingdom to Allentown.
Search flight deals

Frequently asked questions about flying from the United Kingdom to Allentown

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

    Prices for flights from United Kingdom to Allentown-Bethlehem Airport were last updated today.

  • How old do you have to be to fly from United Kingdom to Allentown-Bethlehem Airport?

    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 United Kingdom to Allentown-Bethlehem Airport.

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

    The required travel and health documents for your Allentown-Bethlehem Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Allentown-Bethlehem Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Allentown from United Kingdom.

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

Yes. All flights to Allentown from United Kingdom on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from United Kingdom to Allentown?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from United Kingdom to Allentown.

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

Yes. momondo can track prices for United Kingdom 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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