Find flights
When to book
FAQs

Cheap flights from the United Kingdom to Allentown from £518

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ABE
4 May — 11 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 4 April 2026.

Mon 7/1211:00
LHR
-
ABE
1 stop16h 15m
Multiple Airlines
Mon 21/1217:18
ABE
-
LHR
1 stop13h 17m
Multiple Airlines
Deal found 1/4£678
Mon 7/1209:30
LHR
-
ABE
2 stops18h 16m
Virgin Atlantic
Mon 21/1206:30
ABE
-
LHR
1 stop21h 30m
Virgin Atlantic
Deal found 1/4£679
Fri 17/411:15
LHR
-
ABE
1 stop16h 45m
Virgin Atlantic
Mon 20/417:59
ABE
-
LHR
1 stop14h 16m
Virgin Atlantic
Deal found 1/4£766
Sat 16/506:30
LHR
-
ABE
2 stops20h 48m
Delta
Sat 23/506:23
ABE
-
LHR
2 stops18h 57m
Delta
Deal found 31/3£784
Fri 17/406:30
LHR
-
ABE
2 stops21h 30m
Delta
Mon 20/417:59
ABE
-
LHR
2 stops21h 11m
Delta
Deal found 2/4£787
Thu 16/408:40
LHR
-
ABE
2 stops19h 20m
Delta
Mon 20/417:59
ABE
-
LHR
1 stop14h 16m
Delta
Deal found 1/4£790
Thu 18/610:30
EDI
-
ABE
2 stops35h 44m
Multiple Airlines
Sun 2/819:09
ABE
-
EDI
2 stops36h 16m
Multiple Airlines
Deal found 1/4£859
Wed 16/912:30
EDI
-
ABE
2 stops30h 12m
United Airlines
Sun 20/910:38
ABE
-
EDI
2 stops42h 57m
United Airlines
Deal found 2/4£874
Sat 16/505:55
MAN
-
ABE
2 stops16h 33m
Delta
Sat 23/506:23
ABE
-
MAN
2 stops20h 52m
Delta
Deal found 1/4£888
Thu 3/910:35
MAN
-
ABE
2 stops28h 31m
United Airlines
Mon 7/914:30
ABE
-
MAN
2 stops35h 00m
United Airlines
Deal found 2/4£930
Thu 18/609:00
EDI
-
ABE
1 stop18h 30m
Scandinavian Airlines
Sun 2/818:05
ABE
-
EDI
2 stops17h 25m
Scandinavian Airlines
Deal found 1/4£946
Thu 18/609:00
EDI
-
ABE
1 stop18h 30m
Air Europa
Sun 2/813:08
ABE
-
EDI
1 stop17h 42m
Air Europa
Deal found 1/4£949

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 4 April 2026.

Round-trip from

£766

One-way from

£518
Virgin Atlantic
  • Virgin Atlantic
  • 17/4-20/4
  • 2 total stops
  • 31h 01m total
  • United Kingdom to Allentown
Search Deals
5/7
  • 5/7
  • 3 total stops
  • 44h 15m 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 4 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

Fri 17/4

11:15-23:00

1 stop16h 45m

Allentown-Bethlehem

Mon 20/4

17:59-13:15

1 stop14h 16m

£766

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 16/5

06:30-22:18

2 stops20h 48m

Allentown-Bethlehem

Sat 23/5

06:23-06:20

2 stops18h 57m

£784

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 17/4

06:30-23:00

2 stops21h 30m

Allentown-Bethlehem

Mon 20/4

17:59-20:10

2 stops21h 11m

£787

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Wed 16/9

12:30-13:42

2 stops30h 12m

Allentown-Bethlehem

Sun 20/9

10:38-10:35

2 stops42h 57m

£874

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Sat 16/5

05:55-17:28

2 stops16h 33m

Allentown-Bethlehem

Sat 23/5

06:23-08:15

2 stops20h 52m

£888

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 2/5

11:05-21:00

1 stop14h 55m

Allentown-Bethlehem

Sat 9/5

14:25-08:30

1 stop13h 05m

£891

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Thu 3/9

10:35-10:06

2 stops28h 31m

Allentown-Bethlehem

Mon 7/9

14:30-06:30

2 stops35h 00m

£930

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 16/5

11:05-21:00

1 stop14h 55m

Allentown-Bethlehem

Sat 23/5

14:23-08:30

1 stop13h 07m

£983

BirminghamAllentown

BHX - ABE

BHXABE

Birmingham

Mon 18/5

05:55-13:38

2 stops36h 43m

Allentown-Bethlehem

Mon 25/5

10:38-09:50

2 stops18h 12m

£992
Fastest return journey

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sun 17/5

08:00-17:00

1 stop14h 00m

Allentown-Bethlehem

Sun 24/5

17:36-11:55

1 stop13h 19m

£995

Flights are sorted by cheapest return flights first.

Deals found on 31/3

Showing 1-10 of 38 resultsSorted by cheapest first
1
2
3
4

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 £162). Flying from United Kingdom to Allentown in June is currently the most expensive (average of £359). 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 Virgin Atlantic, Delta, and United Airlines fly from United Kingdom to Allentown in about 16h 45m. The time it takes to get you to your destination can typically vary by up to 13h 27m. 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 London Heathrow - Allentown-Bethlehem. You may also consider Manchester - 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 £162). Flying from United Kingdom to Allentown in June is currently the most expensive (average of £359). 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
Gatwick to John F Kennedy Intl flights
Heathrow to LaGuardia 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
Stansted to Newark flights
Luton to Newark flights
Manchester to John F Kennedy Intl flights
London City to Newark flights
Heathrow to Dulles Intl flights
Manchester to Newark flights
Edinburgh to John F Kennedy Intl flights
Edinburgh to Newark flights
Stansted to LaGuardia flights
Manchester to LaGuardia flights
Heathrow to Reagan-National flights
Gatwick to Dulles Intl flights
Stansted to Dulles Intl flights
Gatwick to Reagan-National flights
Edinburgh to LaGuardia flights
Heathrow to Philadelphia flights
London City to Dulles Intl flights
Luton to Dulles Intl flights
Luton to LaGuardia flights
Glasgow Intl to Newark flights
Glasgow Intl to John F Kennedy Intl flights
Edinburgh to Dulles Intl flights
Heathrow to Pittsburgh flights
Southend to John F Kennedy Intl flights
Birmingham to John F Kennedy Intl flights
Glasgow Intl to LaGuardia flights
Birmingham to Newark flights
Gatwick to Philadelphia flights
Birmingham to LaGuardia flights
Edinburgh to Philadelphia flights
Manchester to Dulles Intl flights
London City to Philadelphia flights
Southampton to John F Kennedy Intl flights
Southampton to Newark flights
Edinburgh to Reagan-National flights
Stansted to Philadelphia flights
Gatwick to Pittsburgh flights
Dublin to Newark flights
Manchester to Reagan-National flights
Dublin to LaGuardia 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.