When did momondo last update prices for flights from Allentown-Bethlehem Airport to United Kingdom?

Prices for flights from Allentown-Bethlehem Airport to United Kingdom were last updated today.

How many operators does momondo search for flights from Allentown-Bethlehem Airport to United Kingdom?

There is 1 operator available for flights from Allentown-Bethlehem Airport to United Kingdom as of January 2026.

How old do you have to be to fly from Allentown-Bethlehem Airport to United Kingdom?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Allentown-Bethlehem Airport to United Kingdom.

What documentation or ID do you need to fly to United Kingdom?

The travel and health documents required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$406 Cheap Flights from Allentown to the United Kingdom in 2026

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Find the cheapest flights from Allentown to the United Kingdom

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:47 pm - 7:50 am

ABE

LHR

14h 03m

1 stop

6:30 am - 10:56 pm

LHR

ABE

20h 26m

2 stops

$634Delta

jue., feb. 26 - mié., mar. 11

6:28 am - 7:05 am

ABE

LHR

19h 37m

2 stops

6:30 am - 10:56 pm

LHR

ABE

20h 26m

2 stops

$639Delta

jue., feb. 26 - mié., mar. 11

6:15 am - 6:45 am

ABE

LHR

19h 30m

1 stop

8:40 am - 9:58 am

LHR

ABE

30h 18m

2 stops

$650United Airlines

mar., abr. 7 - mié., abr. 22

10:35 am - 8:20 am

ABE

LHR

16h 45m

2 stops

8:40 am - 9:58 am

LHR

ABE

30h 18m

2 stops

$654United Airlines

mar., abr. 7 - mié., abr. 22

12:47 pm - 7:50 am

ABE

LHR

14h 03m

1 stop

3:50 pm - 5:17 pm

LHR

ABE

29h 27m

1 stop

$656Multiple Airlines

jue., feb. 26 - mié., mar. 11

10:36 am - 10:20 am

ABE

MAN

18h 44m

2 stops

6:00 am - 10:01 am

MAN

ABE

33h 01m

2 stops

$656United Airlines

mié., feb. 25 - dom., mar. 1

10:35 am - 6:45 am

ABE

LHR

15h 10m

1 stop

2:10 pm - 9:58 am

LHR

ABE

24h 48m

1 stop

$683United Airlines

mar., abr. 7 - mié., abr. 22

5:58 pm - 5:25 am

ABE

LHR

31h 27m

1 stop

3:15 pm - 5:17 pm

LHR

ABE

31h 02m

1 stop

$770KLM

vie., mar. 27 - sáb., abr. 4

2:10 pm - 10:00 am

ABE

LGW

14h 50m

1 stop

1:00 pm - 10:39 pm

LGW

ABE

37h 39m

2 stops

$851Multiple Airlines

jue., feb. 26 - mié., mar. 11

12:00 pm - 7:30 am

ABE

LGW

15h 30m

2 stops

11:20 am - 11:30 am

LGW

ABE

28h 10m

2 stops

$1,673American Airlines

vie., mar. 13 - vie., mar. 20

Delta flights from Allentown to United Kingdom

Our best Delta deals on Allentown to United Kingdom flight tickets

Delta

Feb 26

ABE12:47 pmAllentown-Bethlehem

14h 03m

1 stop

LHR7:50 amLondon Heathrow

Mar 11

LHR6:30 amLondon Heathrow

20h 26m

2 stops

ABE10:56 pmAllentown-Bethlehem

$634

Delta

Feb 26

ABE6:28 amAllentown-Bethlehem

19h 37m

2 stops

LHR7:05 amLondon Heathrow

Mar 11

LHR6:30 amLondon Heathrow

20h 26m

2 stops

ABE10:56 pmAllentown-Bethlehem

$639

Delta

Apr 25

ABE5:59 pmAllentown-Bethlehem

12h 21m

1 stop

LHR11:20 amLondon Heathrow

May 2

LHR11:15 amLondon Heathrow

16h 45m

1 stop

ABE11:00 pmAllentown-Bethlehem

$778

United Airlines flights from Allentown to United Kingdom

Our best United Airlines deals on Allentown to United Kingdom flight tickets

United Airlines

Apr 7

ABE6:15 amAllentown-Bethlehem

19h 30m

1 stop

LHR6:45 amLondon Heathrow

Apr 22

LHR8:40 amLondon Heathrow

30h 18m

2 stops

ABE9:58 amAllentown-Bethlehem

$650

United Airlines

Apr 7

ABE10:35 amAllentown-Bethlehem

16h 45m

2 stops

LHR8:20 amLondon Heathrow

Apr 22

LHR8:40 amLondon Heathrow

30h 18m

2 stops

ABE9:58 amAllentown-Bethlehem

$654

United Airlines

Feb 25

ABE10:36 amAllentown-Bethlehem

18h 44m

2 stops

MAN10:20 amManchester

Mar 1

MAN6:00 amManchester

33h 01m

2 stops

ABE10:01 amAllentown-Bethlehem

$656

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

jue. 2/26

12:47 pm-7:50 am

1 stop14h 03m

London Heathrow

mié. 3/11

6:30 am-10:56 pm

2 stops20h 26m

$634

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

jue. 2/26

6:28 am-7:05 am

2 stops19h 37m

London Heathrow

mié. 3/11

6:30 am-10:56 pm

2 stops20h 26m

$639

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

mar. 4/7

6:15 am-6:45 am

1 stop19h 30m

London Heathrow

mié. 4/22

8:40 am-9:58 am

2 stops30h 18m

$650

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

mar. 4/7

10:35 am-8:20 am

2 stops16h 45m

London Heathrow

mié. 4/22

8:40 am-9:58 am

2 stops30h 18m

$654

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

jue. 2/26

12:47 pm-7:50 am

1 stop14h 03m

London Heathrow

mié. 3/11

3:50 pm-5:17 pm

1 stop29h 27m

$656

AllentownManchester

ABE - MAN

ABEMAN

Allentown-Bethlehem

mié. 2/25

10:36 am-10:20 am

2 stops18h 44m

Manchester

dom. 3/1

6:00 am-10:01 am

2 stops33h 01m

$656

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

mar. 4/7

10:35 am-6:45 am

1 stop15h 10m

London Heathrow

mié. 4/22

2:10 pm-9:58 am

1 stop24h 48m

$683

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

vie. 3/27

5:58 pm-5:25 am

1 stop31h 27m

London Heathrow

sáb. 4/4

3:15 pm-5:17 pm

1 stop31h 02m

$770

AllentownLondon

ABE - LGW

ABELGW

Allentown-Bethlehem

jue. 2/26

2:10 pm-10:00 am

1 stop14h 50m

London Gatwick

mié. 3/11

1:00 pm-10:39 pm

2 stops37h 39m

$851

AllentownLondon

ABE - LGW

ABELGW

Allentown-Bethlehem

vie. 3/13

12:00 pm-7:30 am

2 stops15h 30m

London Gatwick

vie. 3/20

11:20 am-11:30 am

2 stops28h 10m

$1,673

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from Allentown to United Kingdom

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Allentown-Bethlehem to United Kingdom?

Delta and United Airlines are the most popular carriers operating from Allentown-Bethlehem to United Kingdom

What airlines fly to United Kingdom?

United Airlines, British Airways and American Airlines are the top three most popular airlines that fly to United Kingdom from Allentown according to our data. United Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to United Kingdom. Keep in mind that there are 18 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

Cheap Allentown to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Allentown to United Kingdom

Fastest flight time	12h 42m
Direct flights	None

The fastest flight from Allentown to United Kingdom takes 12h 42m

There are no direct flights from Allentown to United Kingdom. There are no popular flight routes from Allentown to United Kingdom.

Search flight deals

When did momondo last update prices for flights from Allentown-Bethlehem Airport to United Kingdom?
Prices for flights from Allentown-Bethlehem Airport to United Kingdom were last updated today.
How many operators does momondo search for flights from Allentown-Bethlehem Airport to United Kingdom?
There is 1 operator available for flights from Allentown-Bethlehem Airport to United Kingdom as of January 2026.
How old do you have to be to fly from Allentown-Bethlehem Airport to United Kingdom?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Allentown-Bethlehem Airport to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The travel and health documents required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Allentown to United Kingdom

Compare and see reviews for airlines that fly from Allentown to United Kingdom with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $690	Free Cancellation	Rating 7.4 9,215 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Allentown to United Kingdom?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to United Kingdom from Allentown.

Can I find flights from Allentown to United Kingdom with flexible booking policies on momondo?

Flights from Allentown to United Kingdom with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Allentown to United Kingdom?

Once you have performed a search for Allentown to United Kingdom flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Allentown to United Kingdom right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Allentown to United Kingdom flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your United Kingdom trip

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sáb. 3/7

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Find better results for your trip to the United Kingdom

Popular cities in the United Kingdom

Flights to Londonfrom $332

Flights to Manchesterfrom $383

Flights to Edinburghfrom $381

Flights to Birminghamfrom $405

Flights to Glasgowfrom $377

Flights to Newcastle upon Tynefrom $487

Flights to Belfastfrom $490

Flights to Bristolfrom $483

Flights to Invernessfrom $421

Flights to Liverpoolfrom $482

Flights to Aberdeenfrom $533

Flights to Leedsfrom $462

Cheap flights from Allentown to the United Kingdom from $406

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Allentown to the United Kingdom departing on 4/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Allentown to United Kingdom

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United Airlines flights from Allentown to United Kingdom

Our best United Airlines deals on Allentown to United Kingdom flight tickets

momondo Fare Finder

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

See travel insights to the United Kingdom from

How to get the cheapest flight ticket from Allentown to United Kingdom

What is the cheapest airline that flies from Allentown-Bethlehem to United Kingdom?

Delta and United Airlines are the most popular carriers operating from Allentown-Bethlehem to United Kingdom

What airlines fly to United Kingdom?

Cheap Allentown to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Allentown to United Kingdom

Fastest flight time

Direct flights

When did momondo last update prices for flights from Allentown-Bethlehem Airport to United Kingdom?

How many operators does momondo search for flights from Allentown-Bethlehem Airport to United Kingdom?

How old do you have to be to fly from Allentown-Bethlehem Airport to United Kingdom?

What documentation or ID do you need to fly to United Kingdom?

Best airlines flying from Allentown to United Kingdom

Compare and see reviews for airlines that fly from Allentown to United Kingdom with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Allentown to United Kingdom?

Can I find flights from Allentown to United Kingdom with flexible booking policies on momondo?

How can momondo help me find flights from Allentown to United Kingdom?

I’m not ready to book a flight from Allentown to United Kingdom right now. Can momondo alert me if prices change?

An easier way to manage your United Kingdom trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo