Cheap flights from New York LaGuardia Airport to London from $331
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 28/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from LaGuardia to London
Discover tips and strategies to find the most affordable flight options for your journey from LaGuardia (LGA) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 August 2025.
Round-trip from | $773 |
---|---|
One-way from | $331 |
Popular in | December |
Cheapest in | January |
Average price | $852 |
Find flight deals from LaGuardia to London
Cheapest flights from LaGuardia to LondonExplore the most affordable flight options available from LaGuardia to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.
Explore the most affordable flight options available from LaGuardia to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from New York LaGuardia Airport to London that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
New YorkLondon
LGA - LHR
LGALHR
New York LaGuardia
Mon 9/2
06:00-10:50
1 stop23h 50m
London Heathrow
Tue 17/2
13:25-14:42
1 stop30h 17m
New YorkLondon
LGA - LHR
LGALHR
New York LaGuardia
Wed 24/9
15:30-06:30
1 stop10h 00m
London Heathrow
Wed 22/10
14:05-19:37
1 stop10h 32m
New YorkLondon
LGA - LHR
LGALHR
New York LaGuardia
Fri 7/11
10:35-07:10
1 stop15h 35m
London Heathrow
Thu 13/11
13:25-19:02
1 stop10h 37m
New YorkLondon
LGA - LHR
LGALHR
New York LaGuardia
Fri 3/10
15:30-06:30
1 stop10h 00m
London Heathrow
Tue 21/10
14:05-19:37
1 stop10h 32m
New YorkLondon
LGA - LHR
LGALHR
New York LaGuardia
Thu 23/10
17:45-09:35
1 stop10h 50m
London Heathrow
Fri 31/10
13:25-21:33
1 stop12h 08m
New YorkLondon
LGA - LHR
LGALHR
New York LaGuardia
Tue 23/9
15:30-06:30
1 stop10h 00m
London Heathrow
Tue 14/10
14:05-19:37
1 stop10h 32m
New YorkLondon
LGA - LHR
LGALHR
New York LaGuardia
Wed 15/10
17:45-09:35
1 stop10h 50m
London Heathrow
Fri 5/12
13:25-19:02
1 stop10h 37m
New YorkLondon
LGA - LHR
LGALHR
New York LaGuardia
Fri 3/10
15:30-06:30
1 stop10h 00m
London Heathrow
Wed 15/10
14:05-19:37
1 stop10h 32m
New YorkLondon
LGA - LHR
LGALHR
New York LaGuardia
Fri 19/9
19:30-11:45
1 stop11h 15m
London Heathrow
Fri 26/9
09:30-14:47
1 stop10h 17m
New YorkLondon
LGA - LHR
LGALHR
New York LaGuardia
Mon 6/10
19:05-09:35
1 stop9h 30m
London Heathrow
Sun 19/10
08:30-15:54
1 stop12h 24m
Best time to book a flight from LaGuardia to London
Have a flexible travel schedule? Discover the best time to fly to London from LaGuardia with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from New York LaGuardia Airport to London
What is the cheapest month to book a flight from New York LaGuardia Airport to London?
Currently, October is the cheapest month in which you can book a flight from New York LaGuardia Airport to London (average of $1,037). Flying from New York LaGuardia Airport to London in December is currently the most expensive (average of $1,667). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Related info for your journey
Find useful and relevant information for your journey from LaGuardia to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for LaGuardia to London
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How does Cheapflights help users find flights from LaGuardia to London?
Deals for LaGuardia to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from LaGuardia to London?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from LaGuardia to London.
Can Cheapflights find flights from LaGuardia to London with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from LaGuardia to London, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from LaGuardia to London become cheaper?
Of course! You can now track prices for flights from LaGuardia to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.