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Cheap flights from Allentown to London from $532

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 London departing on 2/12. 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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0 bags

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Find the cheapest flights from Allentown to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:00 am - 6:20 am
ABE
-
LGW
41h 20m
2 stops
Multiple Airlines Logo
2:00 pm - 9:14 pm
LGW
-
ABE
36h 14m
1 stop
$1,262Multiple Airlines
Thu, May 21 - Sun, May 31
Multiple Airlines Logo
6:00 pm - 10:00 am
ABE
-
LGW
35h 00m
1 stop
Multiple Airlines Logo
2:00 pm - 9:14 pm
LGW
-
ABE
36h 14m
1 stop
$1,279Multiple Airlines
Thu, May 21 - Sun, May 31
Multiple Airlines Logo
8:00 am - 10:00 am
ABE
-
LGW
21h 00m
1 stop
Multiple Airlines Logo
2:00 pm - 1:56 pm
LGW
-
ABE
28h 56m
1 stop
$1,284Multiple Airlines
Thu, Jun 18 - Sat, Jun 27
Multiple Airlines Logo
1:17 pm - 10:00 am
ABE
-
LGW
39h 43m
2 stops
Multiple Airlines Logo
2:00 pm - 1:56 pm
LGW
-
ABE
28h 56m
1 stop
$1,353Multiple Airlines
Thu, Jun 18 - Sat, Jun 27
Delta Logo
1:00 pm - 9:40 am
ABE
-
LGW
15h 40m
2 stops
Delta Logo
10:25 am - 10:56 pm
LGW
-
ABE
17h 31m
2 stops
$1,950Delta
Mon, Jun 22 - Mon, Aug 31
Delta Logo
5:40 pm - 3:50 pm
ABE
-
LGW
17h 10m
2 stops
Delta Logo
10:25 am - 10:56 pm
LGW
-
ABE
17h 31m
2 stops
$3,369Delta
Sun, Jun 21 - Sun, Aug 30
Delta Logo
5:40 pm - 4:00 pm
ABE
-
LGW
17h 20m
2 stops
Delta Logo
10:35 am - 10:56 pm
LGW
-
ABE
17h 21m
2 stops
$5,192Delta
Tue, Jun 23 - Tue, Sep 1
Delta Logo
5:40 pm - 4:00 pm
ABE
-
LGW
17h 20m
2 stops
Delta Logo
10:25 am - 10:56 pm
LGW
-
ABE
17h 31m
2 stops
$7,377Delta
Tue, Jun 16 - Thu, Jul 2
Delta Logo
1:00 pm - 9:25 am
ABE
-
LGW
15h 25m
2 stops
Delta Logo
10:25 am - 10:56 pm
LGW
-
ABE
17h 31m
2 stops
$7,477Delta
Thu, Jun 25 - Thu, Sep 3
Delta Logo
1:00 pm - 9:25 am
ABE
-
LGW
15h 25m
2 stops
Delta Logo
10:25 am - 10:56 pm
LGW
-
ABE
17h 31m
2 stops
$7,877Delta
Wed, Jun 24 - Wed, Sep 2

Delta flights from Allentown to London Gatwick Airport

Our best Delta deals on Allentown to London Gatwick Airport flight tickets
Delta
Apr 11
ABE5:58 pmAllentown-Bethlehem
17h 02m
2 stops
LGW4:00 pmLondon Gatwick
Apr 15
LGW10:25 amLondon Gatwick
17h 35m
2 stops
ABE11:00 pmAllentown-Bethlehem
$1,102
Delta
Jun 22
ABE1:00 pmAllentown-Bethlehem
15h 40m
2 stops
LGW9:40 amLondon Gatwick
Aug 31
LGW10:25 amLondon Gatwick
17h 31m
2 stops
ABE10:56 pmAllentown-Bethlehem
$1,950
Delta
Jun 21
ABE5:40 pmAllentown-Bethlehem
17h 10m
2 stops
LGW3:50 pmLondon Gatwick
Aug 30
LGW10:25 amLondon Gatwick
17h 31m
2 stops
ABE10:56 pmAllentown-Bethlehem
$3,369

momondo Fare Finder

 
Customize your flight search to find flights from Allentown to London Gatwick Airport 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, momondo users made 832,500 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from Allentown to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AllentownLondon

ABE - LGW

ABELGW

Allentown-Bethlehem

Thu 5/21

8:00 am-6:20 am

2 stops41h 20m

London Gatwick

Sun 5/31

2:00 pm-9:14 pm

1 stop36h 14m

$1,262

AllentownLondon

ABE - LGW

ABELGW

Allentown-Bethlehem

Thu 5/21

6:00 pm-10:00 am

1 stop35h 00m

London Gatwick

Sun 5/31

2:00 pm-9:14 pm

1 stop36h 14m

$1,279

AllentownLondon

ABE - LGW

ABELGW

Allentown-Bethlehem

Thu 6/18

8:00 am-10:00 am

1 stop21h 00m

London Gatwick

Sat 6/27

2:00 pm-1:56 pm

1 stop28h 56m

$1,284

AllentownLondon

ABE - LGW

ABELGW

Allentown-Bethlehem

Thu 6/18

1:17 pm-10:00 am

2 stops39h 43m

London Gatwick

Sat 6/27

2:00 pm-1:56 pm

1 stop28h 56m

$1,353

AllentownLondon

ABE - LGW

ABELGW

Allentown-Bethlehem

Mon 6/22

1:00 pm-9:40 am

2 stops15h 40m

London Gatwick

Mon 8/31

10:25 am-10:56 pm

2 stops17h 31m

$1,950

AllentownLondon

ABE - LGW

ABELGW

Allentown-Bethlehem

Sun 6/21

5:40 pm-3:50 pm

2 stops17h 10m

London Gatwick

Sun 8/30

10:25 am-10:56 pm

2 stops17h 31m

$3,369

AllentownLondon

ABE - LGW

ABELGW

Allentown-Bethlehem

Tue 6/23

5:40 pm-4:00 pm

2 stops17h 20m

London Gatwick

Tue 9/1

10:35 am-10:56 pm

2 stops17h 21m

$5,192

AllentownLondon

ABE - LGW

ABELGW

Allentown-Bethlehem

Tue 6/16

5:40 pm-4:00 pm

2 stops17h 20m

London Gatwick

Thu 7/2

10:25 am-10:56 pm

2 stops17h 31m

$7,377

AllentownLondon

ABE - LGW

ABELGW

Allentown-Bethlehem

Thu 6/25

1:00 pm-9:25 am

2 stops15h 25m

London Gatwick

Thu 9/3

10:25 am-10:56 pm

2 stops17h 31m

$7,477

AllentownLondon

ABE - LGW

ABELGW

Allentown-Bethlehem

Wed 6/24

1:00 pm-9:25 am

2 stops15h 25m

London Gatwick

Wed 9/2

10:25 am-10:56 pm

2 stops17h 31m

$7,877

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Allentown to London Gatwick Airport

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 airlines fly to London Gatwick Airport?

Icelandair, JetBlue and British Airways are the top three most popular airlines that fly to London Gatwick Airport from Allentown according to our data. Icelandair is the first choice among our users, with 55% of people opting to fly with this airline when traveling to London Gatwick Airport. Keep in mind that there are 3 different airlines that fly to London Gatwick Airport on a routine basis, so you have a few additional options to choose from.

When to book flights from Allentown to London Gatwick Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Allentown to London Gatwick Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Allentown to London Gatwick Airport (ABE to LGW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Allentown to London Gatwick Airport

Fastest flight time

17h 02m

Direct flights

None
The fastest flight from Allentown to London Gatwick Airport takes 17h 02m
There are no direct flights from Allentown to London Gatwick Airport. There are no popular flight routes from Allentown to London Gatwick Airport.
Search flight deals

  • How far is Allentown-Bethlehem to London Gatwick by plane?

    There are 3529.0 mi between Allentown-Bethlehem and London Gatwick. In terms of flight time, this usually takes a little over 17h 02m.

  • When did momondo last update prices for flights from Allentown-Bethlehem Airport to London Gatwick Airport?

    Prices for flights from Allentown-Bethlehem Airport to London Gatwick Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Allentown-Bethlehem Airport to London Gatwick Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Allentown-Bethlehem Airport to London Gatwick Airport.

  • What documentation or ID do you need to fly to London Gatwick Airport?

    The travel and health documents required for your trip to London Gatwick Airport 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 London Gatwick Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Guildford
Crawley
Wembley
Dartford
Hayes
Croydon
Brentwood
Harrow
Watford
Cobham
Folkestone
Romford
Stansted
Richmond

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Allentown to London. momondo saves you time and could save you money on your trip.

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

Flights from Allentown to London 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 London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Allentown.

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

Yes momondo offers price alerts on flights to London from Allentown. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your London Gatwick Airport 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.
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