How long is the flight from United Kingdom to Allentown?

Airlines like Delta and United Airlines fly from United Kingdom to Allentown in about 19h 52m. The time it takes to get you to your destination can typically vary by up to 57m. The distance between United Kingdom and Allentown is about 3395 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in Allentown ranges from 69.0 - 127.0 inches per month. July is typically the wettest month, when rainfall can reach 127.0 mm. February is typically the driest time to visit Allentown when rainfall is around 69.0 mm.

If weather is an important factor for your trip to Allentown, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -2.0 C).

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 Birmingham - Allentown-Bethlehem.

What is the cheapest time of day to fly from GB to ABE?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from United Kingdom to Allentown as you normally would.

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.

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.

£401+ Cheap Flights from the United Kingdom to Allentown

Cheap flight deals from United Kingdom to Allentown

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 22 September 2026.

Wed 4/1106:00 -

2 stops21h 19m

Wed 11/1112:45 -

2 stops16h 00m

Deal found 20/9£638

Tue 3/1112:40 -

1 stop14h 39m

Tue 10/1118:00 -

1 stop12h 40m

Deal found 19/9£649

Tue 3/1106:30 -

2 stops20h 49m

Tue 10/1106:30 -

1 stop20h 20m

Deal found 19/9£663

Mon 26/1016:00 -

1 stop24h 05m

Sun 1/1118:03 -

1 stop31h 22m

Deal found 21/9£697

Sun 1/1120:00 -

2 stops32h 24m

Sun 8/1117:14 -

1 stop33h 06m

Deal found 17/9£706

Thu 22/1008:55 -

2 stops18h 24m

Wed 28/1013:00 -

2 stops14h 45m

Deal found 21/9£719

Sun 1/1111:00 -

1 stop16h 59m

Sun 8/1105:37 -

1 stop24h 58m

Deal found 17/9£725

Sun 1/1106:30 -

2 stops15h 46m

Sun 8/1106:39 -

2 stops18h 41m

Deal found 17/9£726

Fri 23/1016:00 -

2 stops25h 05m

Wed 28/1013:00 -

2 stops14h 45m

Deal found 21/9£727

Thu 22/1008:55 -

2 stops18h 24m

Fri 30/1006:39 -

2 stops21h 16m

Deal found 21/9£749

Thu 29/1005:40 -

2 stops34h 25m

Mon 16/1106:30 -

2 stops23h 00m

Deal found 18/9£755

Wed 4/1109:05 -

2 stops18h 14m

Wed 11/1112:45 -

2 stops22h 20m

Deal found 20/9£756

Best flights from United Kingdom to Allentown
Discover carefully curated flight deals from United Kingdom to Allentown that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Tue 3/1106:30 -

2 stops20h 49m

Tue 10/1106:30 -

2 stops19h 45m

Deal found 19/9£663

Wed 4/1106:10 -

2 stops19h 52m

Wed 11/1106:15 -

2 stops23h 05m

Deal found 20/9£875

Mon 8/210:00 -

2 stops17h 46m

Thu 11/213:00 -

1 stop12h 25m

Deal found 17/9£673

Tue 2/212:40 -

1 stop15h 06m

Mon 15/213:00 -

1 stop13h 50m

Deal found 17/9£687

Sat 6/208:55 -

1 stop13h 17m

Mon 15/217:40 -

1 stop31h 45m

Deal found 17/9£717

Mon 2/1106:10 -

2 stops19h 52m

Mon 9/1106:15 -

2 stops23h 05m

Deal found 18/9£883

Tue 2/208:55 -

1 stop13h 17m

Sat 13/213:00 -

1 stop12h 25m

Deal found 17/9£717

Thu 5/1106:10 -

2 stops15h 46m

Thu 12/1106:15 -

2 stops23h 05m

Deal found 21/9£906

Mon 8/208:55 -

1 stop13h 17m

Sat 13/213:00 -

1 stop12h 25m

Deal found 17/9£717

Sat 30/106:05 -

2 stops19h 50m

Wed 3/206:10 -

2 stops25h 20m

Deal found 21/9£907

Thu 22/1008:55 -

2 stops18h 24m

Wed 28/1013:00 -

2 stops14h 45m

Deal found 21/9£719

Thu 21/106:10 -

2 stops32h 20m

Mon 25/106:10 -

2 stops23h 10m

Deal found 17/9£910

Fri 23/1016:00 -

2 stops25h 05m

Wed 28/1018:03 -

1 stop13h 37m

Deal found 21/9£727

Thu 5/1106:00 -

2 stops20h 02m

Thu 12/1106:15 -

2 stops25h 15m

Deal found 21/9£921

Sun 25/1008:55 -

1 stop17h 24m

Sun 1/1118:03 -

1 stop31h 22m

Deal found 21/9£727

Thu 12/1113:15 -

2 stops56h 41m

Mon 16/1117:36 -

2 stops37h 54m

Deal found 17/9£923

Sat 6/208:55 -

1 stop13h 17m

Sat 13/213:00 -

1 stop12h 25m

Deal found 17/9£747

Mon 16/1106:10 -

2 stops15h 46m

Mon 30/1117:36 -

2 stops35h 44m

Deal found 20/9£969

Thu 29/1005:40 -

2 stops34h 25m

Mon 16/1106:30 -

2 stops23h 00m

Deal found 18/9£755

Tue 13/1006:05 -

2 stops15h 57m

Sun 18/1010:37 -

2 stops18h 48m

Deal found 19/9£979

Thu 29/1005:40 -

2 stops20h 39m

Sun 15/1112:45 -

2 stops16h 45m

Deal found 18/9£755

Wed 4/1109:05 -

2 stops18h 14m

Wed 11/1112:45 -

2 stops22h 20m

Deal found 20/9£756

Sun 1/1106:00 -

2 stops44h 02m

Sun 8/1117:36 -

2 stops36h 54m

Deal found 17/9£1,022

Fri 23/1016:00 -

2 stops25h 05m

Fri 30/1006:39 -

2 stops21h 16m

Deal found 21/9£758

Thu 29/1005:40 -

2 stops20h 39m

Sat 14/1112:45 -

2 stops16h 45m

Deal found 18/9£785

Thu 12/1109:25 -

2 stops36h 31m

Mon 16/1117:36 -

2 stops35h 44m

Deal found 17/9£1,282

Find flight deals from United Kingdom to Allentown

Round-trip from	£638
One-way from	£401

Air France
4/11-11/11
4 total stops
37h 19m total
United Kingdom to Allentown

Search Deals

11/11-31/12
2 total stops
37h 35m total
United Kingdom to Allentown

Search Deals

Cheapflights Fare Finder

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 London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 1/12

11:00-22:56

1 stop16h 56m

Allentown-Bethlehem

Wed 31/12

00:00-06:00

Nonstop0h 00m

£457

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 10/11

08:55-17:15

1 stop13h 20m

Allentown-Bethlehem

Wed 31/12

00:00-06:00

Nonstop0h 00m

£472

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Fri 13/11

11:00-22:59

1 stop16h 59m

Allentown-Bethlehem

Wed 31/12

00:00-06:00

Nonstop0h 00m

£500

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Fri 13/11

06:30-17:15

2 stops15h 45m

Allentown-Bethlehem

Wed 31/12

00:00-06:00

Nonstop0h 00m

£502

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Sun 15/11

08:55-17:15

1 stop13h 20m

Allentown-Bethlehem

Wed 31/12

00:00-06:00

Nonstop0h 00m

£514

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Thu 12/11

08:55-22:27

1 stop18h 32m

Allentown-Bethlehem

Wed 31/12

00:00-06:00

Nonstop0h 00m

£515

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Sat 14/11

10:50-22:27

1 stop16h 37m

Allentown-Bethlehem

Wed 31/12

00:00-06:00

Nonstop0h 00m

£515

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Sun 15/11

08:55-22:27

1 stop18h 32m

Allentown-Bethlehem

Wed 31/12

00:00-06:00

Nonstop0h 00m

£515

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Sun 27/12

15:40-23:52

1 stop13h 12m

Allentown-Bethlehem

Wed 31/12

00:00-06:00

Nonstop0h 00m

£520

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Sat 9/1

09:05-21:56

2 stops17h 51m

Allentown-Bethlehem

Wed 31/12

00:00-06:00

Nonstop0h 00m

£605

Flights are sorted by cheapest return flights first.

Deals found on 20/9

Showing 1-10 of 39 resultsSorted by cheapest first

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.

LHR-ABE

MAN-ABE

BHX-ABE

EDI-ABE

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

GB0-ABE

LHR-ABE

MAN-ABE

BHX-ABE

EDI-ABE

No data available for this route at this time. Please check back soon.

Related info for your journey

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 and United Airlines fly from United Kingdom to Allentown in about 19h 52m. The time it takes to get you to your destination can typically vary by up to 57m. The distance between United Kingdom and Allentown is about 3395 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 Birmingham - 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.

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Cheap flights from the United Kingdom to Allentown from £401

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from United Kingdom to Allentown

Cheapest flights from United Kingdom to AllentownExplore 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 22 September 2026.

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 22 September 2026.

Best flights from United Kingdom to AllentownDiscover carefully curated flight deals from United Kingdom to Allentown that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Discover carefully curated flight deals from United Kingdom to Allentown that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Last-minute flights from United Kingdom to AllentownDiscover last-minute flight deals from United Kingdom to Allentown. Data last updated 22 September 2026 and is based on user searches.

Discover last-minute flight deals from United Kingdom to Allentown. Data last updated 22 September 2026 and is based on user searches.

One-way flights from United Kingdom to AllentownSearch for one-way flight options from United Kingdom to Allentown. Find affordable one-way fares based on user searches. Data last updated 22 September 2026.

Search for one-way flight options from United Kingdom to Allentown. Find affordable one-way fares based on user searches. Data last updated 22 September 2026.

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Related info for your journey

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

How long is the flight from United Kingdom to Allentown?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for United Kingdom to Allentown

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Complete your trip

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United Kingdom and Allentown flights

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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 22 September 2026.

Best flights from United Kingdom to Allentown
Discover carefully curated flight deals from United Kingdom to Allentown that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Last-minute flights from United Kingdom to Allentown
Discover last-minute flight deals from United Kingdom to Allentown. Data last updated 22 September 2026 and is based on user searches.

One-way flights from United Kingdom to Allentown
Search for one-way flight options from United Kingdom to Allentown. Find affordable one-way fares based on user searches. Data last updated 22 September 2026.