Find flights
When to book
FAQs

Cheap flights from the United Kingdom to Allentown from £526

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ABE
13 May — 20 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Allentown

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Allentown
Explore the most affordable flight options available from United Kingdom to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 April 2026.

Sat 23/506:30
LHR
-
ABE
2 stops20h 48m
Delta
Sat 30/506:23
ABE
-
LHR
2 stops19h 47m
Delta
Deal found 8/4£772
Mon 25/515:15
LHR
-
ABE
1 stop13h 01m
Multiple Airlines
Mon 1/617:06
ABE
-
LHR
1 stop13h 09m
Multiple Airlines
Deal found 10/4£818
Fri 29/513:00
MAN
-
ABE
1 stop14h 18m
Virgin Atlantic
Sun 5/718:09
ABE
-
MAN
2 stops34h 31m
Virgin Atlantic
Deal found 10/4£825
Mon 25/512:25
LHR
-
ABE
2 stops28h 54m
Delta
Mon 1/612:59
ABE
-
LHR
2 stops16h 21m
Delta
Deal found 10/4£828
Wed 11/1106:00
BHX
-
ABE
2 stops33h 06m
United Airlines
Sun 15/1114:30
ABE
-
BHX
2 stops41h 05m
United Airlines
Deal found 9/4£857
Sat 2/509:00
MAN
-
ABE
2 stops37h 19m
Virgin Atlantic
Sat 9/518:15
ABE
-
MAN
1 stop32h 00m
Virgin Atlantic
Deal found 10/4£884
Sat 2/505:55
MAN
-
ABE
2 stops22h 05m
Delta
Sat 9/512:59
ABE
-
MAN
2 stops22h 56m
Delta
Deal found 10/4£910
Wed 27/508:00
LHR
-
ABE
1 stop14h 01m
United Airlines
Wed 3/610:38
ABE
-
LHR
1 stop15h 07m
United Airlines
Deal found 12/4£913
Wed 8/707:55
MAN
-
ABE
2 stops20h 20m
Multiple Airlines
Wed 29/717:18
ABE
-
MAN
2 stops17h 12m
Multiple Airlines
Deal found 9/4£931
Tue 26/508:45
LHR
-
ABE
2 stops34h 03m
United Airlines
Tue 2/606:15
ABE
-
LHR
2 stops18h 40m
United Airlines
Deal found 11/4£941
Thu 30/715:15
LHR
-
ABE
1 stop13h 00m
Multiple Airlines
Sun 2/817:18
ABE
-
LHR
1 stop12h 57m
Multiple Airlines
Deal found 11/4£947
Wed 27/506:05
MAN
-
ABE
2 stops20h 12m
United Airlines
Wed 3/610:38
ABE
-
MAN
2 stops38h 52m
United Airlines
Deal found 12/4£954

Find flight deals from United Kingdom to Allentown

Keep the following information in mind while searching for United Kingdom to Allentown flight deals. Data was last updated 13 April 2026.

Round-trip from

£772

One-way from

£526
Delta
  • Delta
  • 23/5-30/5
  • 4 total stops
  • 40h 35m total
  • United Kingdom to Allentown
Search Deals
Delta
  • Delta
  • 6/6
  • 1 total stop
  • 13h 08m total
  • United Kingdom to Allentown
Search Deals

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 13 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

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 23/5

06:30-22:18

2 stops20h 48m

Allentown-Bethlehem

Sat 30/5

06:23-07:10

2 stops19h 47m

£772

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mon 25/5

12:25-12:19

2 stops28h 54m

Allentown-Bethlehem

Mon 1/6

12:59-10:20

2 stops16h 21m

£828

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Sat 2/5

13:15-23:00

1 stop14h 45m

Allentown-Bethlehem

Sat 9/5

18:15-07:15

1 stop32h 00m

£884

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Sat 2/5

05:55-23:00

2 stops22h 05m

Allentown-Bethlehem

Sat 9/5

12:59-16:55

2 stops22h 56m

£910

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

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Wed 8/7

07:55-23:15

2 stops20h 20m

Allentown-Bethlehem

Wed 29/7

17:18-15:30

2 stops17h 12m

£931

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Wed 27/5

06:05-21:17

2 stops20h 12m

Allentown-Bethlehem

Wed 3/6

10:38-06:30

2 stops38h 52m

£954

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Tue 26/5

05:55-09:38

2 stops32h 43m

Allentown-Bethlehem

Tue 2/6

14:23-17:35

2 stops22h 12m

£968

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Tue 2/6

05:55-09:38

2 stops32h 43m

Allentown-Bethlehem

Tue 16/6

14:23-10:25

2 stops15h 02m

£968

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Wed 3/6

06:05-21:17

2 stops20h 12m

Allentown-Bethlehem

Tue 16/6

14:23-10:25

2 stops15h 02m

£969

Flights are sorted by cheapest return flights first.

Deals found on 9/4

Showing 1-10 of 28 resultsSorted by cheapest first
1
2
3

Best time to book a flight from United Kingdom to Allentown

Have a flexible travel schedule? Discover the best time to fly to Allentown from United Kingdom with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Allentown

What is the cheapest month to book a flight from United Kingdom to Allentown?

Currently, April is the cheapest month in which you can book a flight from United Kingdom to Allentown (average of £159). Flying from United Kingdom to Allentown in June is currently the most expensive (average of £353). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Allentown. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Allentown from United Kingdom?

    For a flight from United Kingdom to Allentown, you will be flying into Allentown-Bethlehem. Allentown-Bethlehem (ABE) is just 3.9 mi from the center of the city.

  • How long is the flight from United Kingdom to Allentown?

    Airlines like Delta, Virgin Atlantic, and United Airlines fly from United Kingdom to Allentown in about 14h 01m. The time it takes to get you to your destination can typically vary by up to 6h 47m. The distance between United Kingdom and Allentown is about 3507 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from United Kingdom to Allentown?

    The most popular route from United Kingdom to Allentown is Manchester - Allentown-Bethlehem. You may also consider London Heathrow - Allentown-Bethlehem or Edinburgh Turnhouse - Allentown-Bethlehem.

  • Can I find deals for flights from United Kingdom to Allentown that include hotel bookings?

    Yes. In addition to deals on United Kingdom to Allentown flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to Allentown?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Allentown.

  • Can I find deals for business class flights from United Kingdom to Allentown?

    Yes. Cheapflights offers flight deals from United Kingdom to Allentown by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from United Kingdom to Allentown?

    Currently, April is the cheapest month in which you can book a flight from United Kingdom to Allentown (average of £159). Flying from United Kingdom to Allentown in June is currently the most expensive (average of £353). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for United Kingdom to Allentown

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Heathrow to LaGuardia flights
Gatwick to John F Kennedy Intl flights
Stansted to John F Kennedy Intl flights
Gatwick to Newark flights
London City to John F Kennedy Intl flights
Gatwick to LaGuardia flights
Luton to John F Kennedy Intl flights
Manchester to John F Kennedy Intl flights
Stansted to Newark flights
Luton to Newark flights
London City to Newark flights
Heathrow to Dulles Intl flights
Manchester to Newark flights
Manchester to LaGuardia flights
Stansted to LaGuardia flights
Edinburgh to John F Kennedy Intl flights
Edinburgh to Newark flights
Gatwick to Dulles Intl flights
Heathrow to Reagan-National flights
Heathrow to Philadelphia flights
Stansted to Dulles Intl flights
London City to Dulles Intl flights
Gatwick to Reagan-National flights
Luton to Dulles Intl flights
Edinburgh to LaGuardia flights
Glasgow Intl to Newark flights
Heathrow to Pittsburgh flights
Birmingham to John F Kennedy Intl flights
Gatwick to Philadelphia flights
Edinburgh to Dulles Intl flights
Luton to LaGuardia flights
Glasgow Intl to John F Kennedy Intl flights
London City to Philadelphia flights
Manchester to Dulles Intl flights
Dublin to Newark flights
Birmingham to Newark flights
Glasgow Intl to LaGuardia flights
Stansted to Philadelphia flights
Edinburgh to Philadelphia flights
Birmingham to LaGuardia flights
Luton to Philadelphia flights
Manchester to Reagan-National flights
Southend to John F Kennedy Intl flights
Dublin to John F Kennedy Intl flights
Southampton to John F Kennedy Intl flights
Southampton to Newark flights
Gatwick to Pittsburgh flights
Leeds to John F Kennedy Intl flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from United Kingdom to Allentown?

Cheapflights helps you search for flights from United Kingdom to Allentown via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Allentown?

Millions of users choose and trust Cheapflights to book the best flight deals from United Kingdom to Allentown for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from United Kingdom to Allentown with no change fees?

Yes, we can. To see specific flights from United Kingdom to Allentown with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from United Kingdom to Allentown become cheaper?

Not ready to book yet? You can track prices for flights from United Kingdom to Allentown on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.