Find flights
When to book
FAQs

Cheap flights from the United Kingdom to Allentown from £414

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ABE
13 Jul — 20 Jul1
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 June 2026.

Fri 28/813:10
LHR
-
ABE
1 stop14h 30m
Multiple Airlines
Thu 10/909:13
ABE
-
LHR
1 stop18h 52m
Multiple Airlines
Deal found 11/6£664
Tue 7/715:00
LHR
-
ABE
1 stop14h 23m
American Airlines
Wed 15/717:12
ABE
-
LHR
1 stop13h 03m
American Airlines
Deal found 10/6£673
Wed 23/907:30
LHR
-
ABE
2 stops31h 05m
United Airlines
Sun 27/906:20
ABE
-
LHR
1 stop19h 25m
United Airlines
Deal found 8/6£696
Fri 28/811:45
LHR
-
ABE
2 stops34h 38m
Virgin Atlantic
Thu 10/913:00
ABE
-
LHR
1 stop12h 25m
Virgin Atlantic
Deal found 11/6£708
Tue 7/712:10
LHR
-
ABE
2 stops37h 57m
United Airlines
Wed 15/710:35
ABE
-
LHR
1 stop16h 55m
United Airlines
Deal found 10/6£722
Thu 1/1006:05
BHX
-
ABE
2 stops32h 30m
United Airlines
Mon 5/1017:46
ABE
-
BHX
2 stops35h 04m
United Airlines
Deal found 12/6£810
Tue 21/706:55
MAN
-
ABE
2 stops21h 32m
American Airlines
Wed 5/816:57
ABE
-
MAN
2 stops17h 33m
American Airlines
Deal found 10/6£893
Wed 8/706:05
MAN
-
ABE
2 stops32h 53m
United Airlines
Wed 22/710:35
ABE
-
MAN
2 stops18h 50m
United Airlines
Deal found 10/6£917
Sun 19/707:45
MAN
-
ABE
2 stops20h 42m
American Airlines
Wed 5/809:36
ABE
-
MAN
2 stops22h 34m
American Airlines
Deal found 10/6£922
Mon 27/708:00
MAN
-
ABE
2 stops20h 08m
British Airways
Mon 3/819:10
ABE
-
MAN
2 stops15h 00m
British Airways
Deal found 12/6£937
Tue 21/713:45
MAN
-
ABE
2 stops32h 40m
Delta
Sun 2/818:05
ABE
-
MAN
2 stops17h 50m
Delta
Deal found 10/6£985
Wed 22/710:35
MAN
-
ABE
2 stops35h 26m
United Airlines
Sun 2/806:15
ABE
-
MAN
2 stops22h 35m
United Airlines
Deal found 10/6£987

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 June 2026.

Round-trip from

£664

One-way from

£414
28/8-10/9
  • 28/8-10/9
  • 2 total stops
  • 33h 22m total
  • United Kingdom to Allentown
Search Deals
4/9
  • 4/9
  • 2 total stops
  • 27h 34m 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 June 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 28/8

13:10-22:40

1 stop14h 30m

Allentown-Bethlehem

Thu 10/9

09:13-09:05

1 stop18h 52m

£664

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 23/9

07:30-09:35

2 stops31h 05m

Allentown-Bethlehem

Sun 27/9

06:20-06:45

1 stop19h 25m

£696

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Tue 7/7

07:30-21:07

2 stops18h 37m

Allentown-Bethlehem

Wed 15/7

06:15-06:55

2 stops19h 40m

£726

BirminghamAllentown

BHX - ABE

BHXABE

Birmingham

Thu 1/10

06:05-09:35

2 stops32h 30m

Allentown-Bethlehem

Mon 5/10

17:46-09:50

2 stops35h 04m

£810
Fastest return journey

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mon 27/7

15:00-00:23

1 stop14h 23m

Allentown-Bethlehem

Mon 3/8

17:12-12:15

1 stop14h 03m

£817

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sun 26/7

07:30-09:58

2 stops31h 28m

Allentown-Bethlehem

Sun 2/8

10:35-10:40

2 stops19h 05m

£860

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Tue 28/7

10:35-09:58

2 stops28h 23m

Allentown-Bethlehem

Tue 4/8

17:41-06:30

2 stops55h 49m

£1,218

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Sun 26/7

06:05-21:07

2 stops20h 02m

Allentown-Bethlehem

Sun 2/8

10:35-17:20

2 stops25h 45m

£1,266

BirminghamAllentown

BHX - ABE

BHXABE

Birmingham

Wed 15/7

06:05-21:07

2 stops20h 02m

Allentown-Bethlehem

Thu 3/9

10:32-09:50

2 stops18h 18m

£1,287

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Wed 22/7

09:00-21:07

2 stops17h 07m

Allentown-Bethlehem

Wed 5/8

17:41-17:35

2 stops18h 54m

£1,325

Flights are sorted by cheapest return flights first.

Deals found on 10/6

Showing 1-10 of 29 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
No data available for this route at this time. Please check back soon.

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 United Airlines and Delta fly from United Kingdom to Allentown in about 31h 05m. The time it takes to get you to your destination can typically vary by up to 1h 35m. 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 Bristol - 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.

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
London City to Newark flights
Luton to John F Kennedy Intl flights
Stansted to Newark flights
Luton to Newark flights
Heathrow to Dulles Intl flights
Manchester to John F Kennedy Intl flights
Manchester to Newark flights
Gatwick to Dulles Intl flights
Manchester to LaGuardia flights
Heathrow to Reagan-National flights
London City to Dulles Intl flights
Stansted to LaGuardia flights
Stansted to Dulles Intl flights
Edinburgh to John F Kennedy Intl flights
Edinburgh to Newark flights
Heathrow to Philadelphia flights
Gatwick to Reagan-National flights
Luton to LaGuardia flights
Luton to Dulles Intl flights
Glasgow Intl to Newark flights
Edinburgh to LaGuardia flights
Birmingham to John F Kennedy Intl flights
Heathrow to Pittsburgh flights
Gatwick to Philadelphia flights
Glasgow Intl to John F Kennedy Intl flights
London City to Philadelphia flights
Birmingham to Newark flights
Manchester to Dulles Intl flights
Edinburgh to Dulles Intl flights
Birmingham to LaGuardia flights
Dublin to Newark flights
Luton to Philadelphia flights
Stansted to Philadelphia flights
Dublin to John F Kennedy Intl flights
Glasgow Intl to LaGuardia flights
Newcastle upon Tyne to John F Kennedy Intl flights
Southend to John F Kennedy Intl flights
Manchester to Philadelphia flights
Newcastle upon Tyne to LaGuardia flights
Manchester to Reagan-National flights
Newcastle upon Tyne to Newark 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.