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 Birmingham - Allentown-Bethlehem or Bristol - Allentown-Bethlehem.

What is the cheapest month to fly from United Kingdom to Allentown?

April can be a great time to fly to Allentown from United Kingdom with a flight ticket averaging about £628. Cheapflights users have found deals in the month of April for as cheap as £470. The most expensive prices can be found in the month of August.

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.

£1,223+ Flights from the United Kingdom to Allentown

Cheap flight deals from United Kingdom to Allentown

Round-trip from	£535
One-way from	£531
Popular in	August
Cheapest in	April
Average price	£688

American Airlines
29/9-6/10
2 total stops
22h 42m total
United Kingdom to Allentown

Search Deals

8/11
2 total stops
31h 37m total
United Kingdom to Allentown

Search Deals

Highest demand for flights based on searches. 20% potential increase in price (£116 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 10% potential price decrease (£45 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from United Kingdom to Allentown

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 1 July 2025.

Mon 29/911:00LHR - ABE

1 stop12h 30mAmerican Airlines

Mon 6/1017:53ABE - LHR

1 stop10h 12mAmerican Airlines

Deal found 29/6£535

Wed 1/1006:30LHR - ABE

2 stops16h 01mKLM

Mon 6/1006:30ABE - LHR

1 stop19h 15mKLM

Deal found 29/6£539

Fri 3/1013:05LHR - ABE

1 stop14h 36mVirgin Atlantic

Mon 6/1017:40ABE - LHR

1 stop14h 50mVirgin Atlantic

Deal found 30/6£556

Wed 1/1006:30LHR - ABE

2 stops16h 01mDelta

Tue 7/1006:30ABE - LHR

1 stop19h 45mDelta

Deal found 29/6£561

Thu 2/1019:05LHR - ABE

2 stops24h 00mFinnair

Sun 5/1019:59ABE - LHR

2 stops29h 21mFinnair

Deal found 29/6£596

Tue 8/712:35MAN - ABE

1 stop33h 59mDelta

Wed 30/706:00ABE - MAN

2 stops29h 55mDelta

Deal found 29/6£659

Thu 14/821:25LHR - ABE

3 stops30h 28mMultiple Airlines

Thu 21/807:00ABE - LHR

2 stops32h 20mMultiple Airlines

Deal found 30/6£896

Wed 13/806:50LHR - ABE

2 stops15h 10mUnited Airlines

Wed 20/817:28ABE - LHR

1 stop13h 17mUnited Airlines

Deal found 29/6£1,001

Wed 13/805:55BHX - ABE

2 stops40h 05mUnited Airlines

Wed 20/817:28ABE - BHX

2 stops34h 17mUnited Airlines

Deal found 29/6£1,151

Sat 5/706:05MAN - ABE

2 stops20h 50mUnited Airlines

Sat 2/806:30ABE - MAN

2 stops20h 55mUnited Airlines

Deal found 29/6£1,406

Sun 13/709:00EDI - ABE

2 stops17h 55mUnited Airlines

Sun 20/706:30ABE - EDI

2 stops19h 50mUnited Airlines

Deal found 29/6£1,473

Sun 6/706:00BHX - ABE

2 stops16h 25mDelta

Sun 3/812:55ABE - BHX

2 stops15h 35mDelta

Deal found 29/6£2,575

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 1 July 2025.

Mon 29/911:00LHR - ABE

1 stop12h 30mAmerican Airlines

Mon 6/1017:53ABE - LHR

1 stop10h 12mAmerican Airlines

Deal found 29/6£535

Wed 1/1006:30LHR - ABE

2 stops16h 01mKLM

Mon 6/1006:30ABE - LHR

1 stop19h 15mKLM

Deal found 29/6£539

Fri 3/1011:20LHR - ABE

1 stop16h 21mVirgin Atlantic

Mon 6/1017:40ABE - LHR

1 stop14h 50mVirgin Atlantic

Deal found 30/6£556

Wed 1/1006:30LHR - ABE

2 stops16h 01mDelta

Tue 7/1006:30ABE - LHR

1 stop19h 45mDelta

Deal found 29/6£561

Thu 2/1019:05LHR - ABE

2 stops24h 00mFinnair

Sun 5/1019:59ABE - LHR

2 stops29h 21mFinnair

Deal found 29/6£596

Thu 14/821:25LHR - ABE

3 stops30h 28mMultiple Airlines

Thu 21/807:00ABE - LHR

2 stops32h 20mMultiple Airlines

Deal found 30/6£896

Wed 13/806:50LHR - ABE

2 stops15h 10mUnited Airlines

Wed 20/817:28ABE - LHR

1 stop13h 17mUnited Airlines

Deal found 29/6£1,001

Wed 13/805:55BHX - ABE

2 stops40h 05mUnited Airlines

Wed 20/817:28ABE - BHX

2 stops34h 17mUnited Airlines

Deal found 29/6£1,151

Sun 13/709:00EDI - ABE

2 stops17h 55mUnited Airlines

Sun 20/706:30ABE - EDI

2 stops19h 50mUnited Airlines

Deal found 29/6£1,473

Last-minute flights from United Kingdom to Allentown
Discover last-minute flight deals from United Kingdom to Allentown. Data last updated 1 July 2025 and is based on user searches.

Fri 4/711:05LHR - ABE

1 stop15h 50mUnited Airlines

Sat 5/717:35ABE - LHR

1 stop13h 10mUnited Airlines

Deal found 30/6£3,335

Sat 5/706:05MAN - ABE

2 stops20h 50mUnited Airlines

Sat 2/806:30ABE - MAN

2 stops20h 55mUnited Airlines

Deal found 29/6£1,406

Sat 5/705:55BHX - ABE

2 stops21h 00mUnited Airlines

Sat 2/806:30ABE - BHX

2 stops21h 15mUnited Airlines

Deal found 29/6£1,409

Sun 6/706:00BHX - ABE

2 stops16h 25mDelta

Sun 3/812:55ABE - BHX

2 stops15h 35mDelta

Deal found 29/6£2,575

Tue 8/712:35MAN - ABE

1 stop33h 59mDelta

Wed 30/706:00ABE - MAN

2 stops29h 55mDelta

Deal found 29/6£659

Sun 13/709:00EDI - ABE

2 stops17h 55mUnited Airlines

Sun 20/706:30ABE - EDI

2 stops19h 50mUnited Airlines

Deal found 29/6£1,473

Sun 13/706:00LHR - ABE

2 stops16h 00mMultiple Airlines

Sun 20/706:30ABE - LHR

1 stop20h 50mMultiple Airlines

Deal found 29/6£2,397

Tue 29/713:05LHR - ABE

1 stop33h 29mVirgin Atlantic

Tue 5/806:00ABE - LHR

2 stops23h 30mVirgin Atlantic

Deal found 29/6£694

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 1 July 2025.

Sat 8/1112:15LHR - ABE

2 stops31h 37mMultiple Airlines

Deal found 29/6£531

Tue 22/709:00EDI - ABE

1 stop13h 34mDelta

Deal found 30/6£1,439

Sun 13/712:35MAN - ABE

1 stop14h 55mDelta

Deal found 29/6£2,116

Mon 21/709:20LHR - ABE

1 stop13h 14mDelta

Deal found 30/6£2,120

Sat 16/809:30LHR - ABE

2 stops17h 25mUnited Airlines

Deal found 30/6£2,317

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

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mon 29/9

11:00-18:30

1 stop12h 30m

Allentown-Bethlehem

Mon 6/10

17:53-09:05

1 stop10h 12m

£535

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 1/10

06:30-17:31

2 stops16h 01m

Allentown-Bethlehem

Mon 6/10

06:30-06:45

1 stop19h 15m

£539

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 3/10

13:05-22:41

1 stop14h 36m

Allentown-Bethlehem

Mon 6/10

17:40-13:30

1 stop14h 50m

£556

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 1/10

06:30-17:31

2 stops16h 01m

Allentown-Bethlehem

Tue 7/10

06:30-07:15

1 stop19h 45m

£561

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 2/10

19:05-14:05

2 stops24h 00m

Allentown-Bethlehem

Sun 5/10

19:59-06:20

2 stops29h 21m

£596

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 14/8

21:25-22:53

3 stops30h 28m

Allentown-Bethlehem

Thu 21/8

07:00-20:20

2 stops32h 20m

£896

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 13/8

06:50-17:00

2 stops15h 10m

Allentown-Bethlehem

Wed 20/8

17:28-11:45

1 stop13h 17m

£1,001

BirminghamAllentown

BHX - ABE

BHXABE

Birmingham

Wed 13/8

05:55-17:00

2 stops40h 05m

Allentown-Bethlehem

Wed 20/8

17:28-08:45

2 stops34h 17m

£1,151

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Sun 13/7

09:00-21:55

2 stops17h 55m

Allentown-Bethlehem

Sun 20/7

06:30-07:20

2 stops19h 50m

£1,473

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 8/11

12:15-14:52

2 stops31h 37m

£531

Flights are sorted by cheapest return flights first.

Deals found on 29/6

Showing 1-10 of 14 results

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 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.

Reviews of airlines servicing Allentown

Check out reviews from past customers who have flown with Delta, KLM, andFinnair from the United Kingdom to Allentown to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,973 reviews

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,366 reviews

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Finnair

7.6

Good

1,301 reviews

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,852 reviews

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Virgin Atlantic

7.4

Good

654 reviews

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.
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 Birmingham - Allentown-Bethlehem or Bristol - 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

Alternative routes for United Kingdom to Allentown

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London City to Dulles Intl flights

Edinburgh to LaGuardia flights

Gatwick to Reagan-National flights

Stansted to Dulles Intl flights

Birmingham to John F Kennedy Intl flights

Gatwick to Philadelphia flights

Heathrow to Pittsburgh flights

London City to Philadelphia flights

Stansted to LaGuardia flights

Luton to Dulles Intl flights

Birmingham to Newark flights

Birmingham to LaGuardia flights

Edinburgh to Dulles Intl flights

Southend to John F Kennedy Intl flights

London City to Reagan-National flights

Glasgow Intl to John F Kennedy Intl flights

Manchester to Dulles Intl flights

Glasgow Intl to LaGuardia flights

Gatwick to Pittsburgh flights

Stansted to Philadelphia flights

Glasgow Intl to Newark flights

Leeds to John F Kennedy Intl flights

Manchester to Reagan-National flights

Luton to LaGuardia flights

Newcastle upon Tyne to John F Kennedy Intl flights

Dublin to LaGuardia flights

Manchester to Philadelphia flights

Top 2 airlines flying from United Kingdom to Allentown

Airline	Cheapest	Average	Flexibility	On-time
Finnair	Cheapest£450	Average£554	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Virgin Atlantic	Cheapest£490	Average£852	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

Fly with Cheapflights

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.

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Cheap flights from the United Kingdom to Allentown from £531

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 8/11. 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

Keep the following information in mind while searching for United Kingdom to Allentown flight deals. Data was last updated 1 July 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 1 July 2025.

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 1 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Allentown that are best for you.

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.

Cheapflights Insights

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

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

Find hourly flight availability from United Kingdom to Allentown. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 July 2025.

Reviews of airlines servicing Allentown

Check out reviews from past customers who have flown with Delta, KLM, andFinnair from the United Kingdom to Allentown to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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.

Top 2 airlines flying from United Kingdom to Allentown

Fly with Cheapflights

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

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

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

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

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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 1 July 2025.