Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Allentown to London from $513

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 6/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Allentown to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:31 pm - 6:20 am
ABE
-
LGW
31h 49m
2 stops
Multiple Airlines Logo
2:00 pm - 2:56 pm
LGW
-
ABE
29h 56m
1 stop
$966Multiple Airlines
Wed, Apr 15 - Wed, Apr 22
Delta Logo
5:59 pm - 4:00 pm
ABE
-
LGW
17h 01m
2 stops
Delta Logo
10:35 am - 10:18 pm
LGW
-
ABE
16h 43m
2 stops
$975Delta
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
6:00 pm - 10:00 am
ABE
-
LGW
35h 00m
1 stop
Multiple Airlines Logo
2:00 pm - 1:39 pm
LGW
-
ABE
28h 39m
1 stop
$1,108Multiple Airlines
Thu, Jun 18 - Tue, Jun 23
Multiple Airlines Logo
8:00 am - 10:00 am
ABE
-
LGW
21h 00m
1 stop
Multiple Airlines Logo
1:05 pm - 11:10 pm
LGW
-
ABE
39h 05m
2 stops
$1,181Multiple Airlines
Sun, Jul 19 - Sun, Jul 26
Multiple Airlines Logo
6:00 pm - 10:00 am
ABE
-
LGW
35h 00m
1 stop
Multiple Airlines Logo
2:00 pm - 2:41 pm
LGW
-
ABE
29h 41m
1 stop
$1,208Multiple Airlines
Sun, Jul 19 - Sun, Jul 26
Multiple Airlines Logo
8:30 am - 6:20 am
ABE
-
LGW
40h 50m
2 stops
Multiple Airlines Logo
2:00 pm - 12:44 pm
LGW
-
ABE
27h 44m
1 stop
$1,394Multiple Airlines
Wed, Aug 5 - Fri, Aug 14
Multiple Airlines Logo
8:00 am - 10:00 am
ABE
-
LGW
21h 00m
1 stop
Multiple Airlines Logo
2:00 pm - 12:44 pm
LGW
-
ABE
27h 44m
1 stop
$1,430Multiple Airlines
Wed, Aug 5 - Fri, Aug 14
Delta Logo
5:59 pm - 4:00 pm
ABE
-
LGW
17h 01m
2 stops
Delta Logo
10:25 am - 11:00 pm
LGW
-
ABE
17h 35m
2 stops
$1,450Delta
Wed, Apr 15 - Wed, Apr 22
Multiple Airlines Logo
8:49 pm - 10:00 am
ABE
-
LGW
32h 11m
1 stop
Multiple Airlines Logo
2:00 pm - 12:44 pm
LGW
-
ABE
27h 44m
1 stop
$1,518Multiple Airlines
Fri, Jul 31 - Fri, Aug 7
Delta Logo
1:08 pm - 9:25 am
ABE
-
LGW
15h 17m
2 stops
Delta Logo
10:25 am - 10:56 pm
LGW
-
ABE
17h 31m
2 stops
$1,558Delta
Wed, Aug 5 - Fri, Aug 14

Delta flights from Allentown to London Gatwick Airport

Our best Delta deals on Allentown to London Gatwick Airport flight tickets
Delta
May 5
ABE5:59 pmAllentown-Bethlehem
17h 01m
2 stops
LGW4:00 pmLondon Gatwick
May 12
LGW10:35 amLondon Gatwick
16h 43m
2 stops
ABE10:18 pmAllentown-Bethlehem
$975
Delta
Apr 15
ABE5:59 pmAllentown-Bethlehem
17h 01m
2 stops
LGW4:00 pmLondon Gatwick
Apr 22
LGW10:25 amLondon Gatwick
17h 35m
2 stops
ABE11:00 pmAllentown-Bethlehem
$1,450
Delta
Aug 5
ABE1:08 pmAllentown-Bethlehem
15h 17m
2 stops
LGW9:25 amLondon Gatwick
Aug 14
LGW10:25 amLondon Gatwick
17h 31m
2 stops
ABE10:56 pmAllentown-Bethlehem
$1,558

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 March 23, 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

Cheapest round-trip

AllentownLondon

ABE - LGW

ABELGW

Allentown-Bethlehem

Wed 4/15

5:31 pm-6:20 am

2 stops31h 49m

London Gatwick

Wed 4/22

2:00 pm-2:56 pm

1 stop29h 56m

$966

AllentownLondon

ABE - LGW

ABELGW

Allentown-Bethlehem

Tue 5/5

5:59 pm-4:00 pm

2 stops17h 01m

London Gatwick

Tue 5/12

10:35 am-10:18 pm

2 stops16h 43m

$975

AllentownLondon

ABE - LGW

ABELGW

Allentown-Bethlehem

Thu 6/18

6:00 pm-10:00 am

1 stop35h 00m

London Gatwick

Tue 6/23

2:00 pm-1:39 pm

1 stop28h 39m

$1,108

AllentownLondon

ABE - LGW

ABELGW

Allentown-Bethlehem

Sun 7/19

8:00 am-10:00 am

1 stop21h 00m

London Gatwick

Sun 7/26

1:05 pm-11:10 pm

2 stops39h 05m

$1,181

AllentownLondon

ABE - LGW

ABELGW

Allentown-Bethlehem

Sun 7/19

6:00 pm-10:00 am

1 stop35h 00m

London Gatwick

Sun 7/26

2:00 pm-2:41 pm

1 stop29h 41m

$1,208

AllentownLondon

ABE - LGW

ABELGW

Allentown-Bethlehem

Wed 8/5

8:30 am-6:20 am

2 stops40h 50m

London Gatwick

Fri 8/14

2:00 pm-12:44 pm

1 stop27h 44m

$1,394

AllentownLondon

ABE - LGW

ABELGW

Allentown-Bethlehem

Wed 8/5

8:00 am-10:00 am

1 stop21h 00m

London Gatwick

Fri 8/14

2:00 pm-12:44 pm

1 stop27h 44m

$1,430

AllentownLondon

ABE - LGW

ABELGW

Allentown-Bethlehem

Wed 4/15

5:59 pm-4:00 pm

2 stops17h 01m

London Gatwick

Wed 4/22

10:25 am-11:00 pm

2 stops17h 35m

$1,450

AllentownLondon

ABE - LGW

ABELGW

Allentown-Bethlehem

Fri 7/31

8:49 pm-10:00 am

1 stop32h 11m

London Gatwick

Fri 8/7

2:00 pm-12:44 pm

1 stop27h 44m

$1,518
Quickest round-trip

AllentownLondon

ABE - LGW

ABELGW

Allentown-Bethlehem

Wed 8/5

1:08 pm-9:25 am

2 stops15h 17m

London Gatwick

Fri 8/14

10:25 am-10:56 pm

2 stops17h 31m

$1,558

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 is the cheapest day to depart on your flight to London Gatwick Airport?

The cheapest day to depart from Allentown to London Gatwick Airport is on a Wednesday when prices can be found for as low as $536. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Gatwick Airport on Saturday is $595.

What is the cheapest time of day to depart on your flight to London Gatwick Airport?

Flying to London Gatwick Airport from Allentown in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $493 when looking at flights departing in the afternoon. In the evening is when there is more demand to fly to London Gatwick Airport, so prices are often more expensive at around $598 per ticket.

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

15h 30m

Direct flights

None
The fastest flight from Allentown to London Gatwick Airport takes 15h 30m
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 15h 30m.

  • 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
Crawley
Wembley
Hayes
Dartford
Croydon
Harrow
Watford
Brentwood
Guildford
Stansted
Cobham
Folkestone
Romford
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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 4/22
Wed 4/29
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London