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Cheap flights from the United Kingdom to Allentown from £448

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 11/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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

American Airlines Logo
11:00 - 21:40LHR-ABE
15h 40m1 stop
American Airlines Logo
17:53 - 12:30ABE-LHR
13h 37m1 stop
£513American Airlines
Find Deal
Mi, 15 Okt - Do, 23 Okt
Virgin Atlantic Logo
17:50 - 22:11LHR-ABE
33h 21m2 stops
Virgin Atlantic Logo
18:00 - 06:50ABE-LHR
31h 50m2 stops
£514Virgin Atlantic
Find Deal
Do, 11 Dez - So, 14 Dez
Virgin Atlantic Logo
08:55 - 22:11LHR-ABE
18h 16m1 stop
Virgin Atlantic Logo
06:00 - 06:50ABE-LHR
19h 50m2 stops
£514Virgin Atlantic
Find Deal
Do, 11 Dez - Mo, 15 Dez
Delta Logo
06:30 - 17:20LHR-ABE
15h 50m2 stops
Delta Logo
12:46 - 11:25ABE-LHR
17h 39m2 stops
£517Delta
Find Deal
Mi, 15 Okt - Do, 23 Okt
American Airlines Logo
10:00 - 21:40LHR-ABE
16h 40m2 stops
American Airlines Logo
14:43 - 12:30ABE-LHR
16h 47m1 stop
£524American Airlines
Find Deal
Di, 14 Okt - Mi, 22 Okt
Delta Logo
20:25 - 12:06LHR-ABE
20h 41m2 stops
Delta Logo
12:46 - 06:45ABE-LHR
12h 59m1 stop
£530Delta
Find Deal
Mo, 13 Okt - Mi, 22 Okt
KLM Logo
09:20 - 22:15LHR-ABE
17h 55m1 stop
KLM Logo
06:00 - 06:45ABE-LHR
19h 45m1 stop
£573KLM
Find Deal
Di, 14 Okt - Fr, 24 Okt
United Airlines Logo
06:50 - 10:38LHR-ABE
32h 48m2 stops
United Airlines Logo
13:00 - 06:20ABE-LHR
12h 20m1 stop
£587United Airlines
Find Deal
Di, 7 Okt - Di, 14 Okt
KLM Logo
13:05 - 22:15LHR-ABE
14h 10m1 stop
KLM Logo
06:00 - 06:45ABE-LHR
19h 45m1 stop
£603KLM
Find Deal
Do, 16 Okt - Fr, 24 Okt
United Airlines Logo
13:35 - 11:48LHR-ABE
27h 13m1 stop
United Airlines Logo
13:00 - 05:55ABE-LHR
11h 55m1 stop
£608United Airlines
Find Deal
Fr, 7 Nov - Fr, 14 Nov

KLM flights from United Kingdom to Allentown

Our best KLM deals on United Kingdom to Allentown flight tickets
KLM
14 Oct
LHR09:20London Heathrow
17h 55m
1 stop
ABE22:15Allentown-Bethlehem
24 Oct
ABE06:00Allentown-Bethlehem
19h 45m
1 stop
LHR06:45London Heathrow
£573
Find similar
KLM
16 Oct
LHR13:05London Heathrow
14h 10m
1 stop
ABE22:15Allentown-Bethlehem
24 Oct
ABE06:00Allentown-Bethlehem
19h 45m
1 stop
LHR06:45London Heathrow
£603
Find similar
KLM
25 Oct
LHR17:25London Heathrow
33h 50m
1 stop
ABE22:15Allentown-Bethlehem
1 Nov
ABE18:00Allentown-Bethlehem
32h 25m
1 stop
LHR06:25London Heathrow
£724
Find similar

Virgin Atlantic flights from United Kingdom to Allentown

Our best Virgin Atlantic deals on United Kingdom to Allentown flight tickets
Virgin Atlantic
11 Dec
LHR17:50London Heathrow
33h 21m
2 stops
ABE22:11Allentown-Bethlehem
14 Dec
ABE18:00Allentown-Bethlehem
31h 50m
2 stops
LHR06:50London Heathrow
£514
Find similar
Virgin Atlantic
11 Dec
LHR08:55London Heathrow
18h 16m
1 stop
ABE22:11Allentown-Bethlehem
15 Dec
ABE06:00Allentown-Bethlehem
19h 50m
2 stops
LHR06:50London Heathrow
£514
Find similar
Virgin Atlantic
3 Oct
LHR13:05London Heathrow
14h 36m
1 stop
ABE22:41Allentown-Bethlehem
6 Oct
ABE06:00Allentown-Bethlehem
19h 45m
1 stop
LHR06:45London Heathrow
£529
Find similar

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 25 September 2025.
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

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mi 15/10

11:00-21:40

1 stop15h 40m

Allentown-Bethlehem

Do 23/10

17:53-12:30

1 stop13h 37m

£513

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Do 11/12

17:50-22:11

2 stops33h 21m

Allentown-Bethlehem

So 14/12

18:00-06:50

2 stops31h 50m

£514

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Do 11/12

08:55-22:11

1 stop18h 16m

Allentown-Bethlehem

Mo 15/12

06:00-06:50

2 stops19h 50m

£514

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mi 15/10

06:30-17:20

2 stops15h 50m

Allentown-Bethlehem

Do 23/10

12:46-11:25

2 stops17h 39m

£517

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Di 14/10

10:00-21:40

2 stops16h 40m

Allentown-Bethlehem

Mi 22/10

14:43-12:30

1 stop16h 47m

£524

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mo 13/10

20:25-12:06

2 stops20h 41m

Allentown-Bethlehem

Mi 22/10

12:46-06:45

1 stop12h 59m

£530

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Di 14/10

09:20-22:15

1 stop17h 55m

Allentown-Bethlehem

Fr 24/10

06:00-06:45

1 stop19h 45m

£573

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Di 7/10

06:50-10:38

2 stops32h 48m

Allentown-Bethlehem

Di 14/10

13:00-06:20

1 stop12h 20m

£587

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Do 16/10

13:05-22:15

1 stop14h 10m

Allentown-Bethlehem

Fr 24/10

06:00-06:45

1 stop19h 45m

£603

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fr 7/11

13:35-11:48

1 stop27h 13m

Allentown-Bethlehem

Fr 14/11

13:00-05:55

1 stop11h 55m

£608

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 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 day to depart on your flight to Allentown?

The cheapest day to depart from United Kingdom to Allentown is on a Monday when prices can be found for as low as £465. Flights from United Kingdom to Allentown on a Sunday will generally be more expensive and average around £833. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Allentown?

Flying to Allentown from United Kingdom at midday is the least expensive time of day to depart. momondo users have found prices as low as £566 when looking at flights departing at midday. Flights in the morning are often more expensive, with an average ticket price of £607.

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

Direct flights

None
There are no direct flights from United Kingdom to Allentown. There are no popular flight routes from United Kingdom to Allentown.
Search flight deals

  • 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 many operators does momondo search for flights from United Kingdom to Allentown-Bethlehem Airport?

  • 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.

Best airlines flying from United Kingdom to Allentown

Compare and see reviews for airlines that fly from United Kingdom to Allentown with momondo
Airline
Rating
Free Cancellation
Price
FinnairPriceFrom £472Free CancellationRating
7.6
1,326 reviews
Search Finnair flights

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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