Cheap flights from New York LaGuardia Airport, NY to London from C$ 408
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap 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 12 October 2026.
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 12 October 2026.
Best flights from LaGuardia to LondonDiscover carefully curated flight deals from LaGuardia to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 12 October 2026.
Discover carefully curated flight deals from LaGuardia to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 12 October 2026.
Last-minute flights from LaGuardia to LondonDiscover last-minute flight deals from LaGuardia to London. Data last updated 12 October 2026 and is based on user searches.
Discover last-minute flight deals from LaGuardia to London. Data last updated 12 October 2026 and is based on user searches.
One-way flights from LaGuardia to LondonSearch for one-way flight options from LaGuardia to London. Find affordable one-way fares based on user searches. Data last updated 12 October 2026.
Search for one-way flight options from LaGuardia to London. Find affordable one-way fares based on user searches. Data last updated 12 October 2026.
Find 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 12 October 2026.
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
New YorkLondon
LGA New York LaGuardia - LHR London Heathrow
LGALHR
New York LaGuardia
Thu 12/11
5:35 p.m.-7:10 a.m.
1 stop32h 35m
London Heathrow
Wed 31/12
12:00 a.m.-6:00 p.m.
Nonstop0h 00m
New YorkLondon
LGA New York LaGuardia - LHR London Heathrow
LGALHR
New York LaGuardia
Thu 29/10
3:29 p.m.-12:00 p.m.
1 stop16h 31m
London Heathrow
Wed 31/12
12:00 a.m.-6:00 p.m.
Nonstop0h 00m
New YorkLondon
LGA New York LaGuardia - LHR London Heathrow
LGALHR
New York LaGuardia
Mon 19/10
10:30 a.m.-6:30 a.m.
2 stops15h 00m
London Heathrow
Wed 31/12
12:00 a.m.-6:00 p.m.
Nonstop0h 00m
New YorkLondon
LGA New York LaGuardia - LHR London Heathrow
LGALHR
New York LaGuardia
Sat 24/10
8:45 a.m.-9:30 a.m.
2 stops19h 45m
London Heathrow
Wed 31/12
12:00 a.m.-6:00 p.m.
Nonstop0h 00m
New YorkLondon
LGA New York LaGuardia - LHR London Heathrow
LGALHR
New York LaGuardia
Sat 20/3
11:20 a.m.-7:10 a.m.
2 stops15h 50m
London Heathrow
Wed 31/12
12:00 a.m.-6:00 p.m.
Nonstop0h 00m
New YorkLondon
LGA New York LaGuardia - LHR London Heathrow
LGALHR
New York LaGuardia
Sun 21/2
11:00 a.m.-8:30 a.m.
2 stops16h 30m
London Heathrow
Wed 31/12
12:00 a.m.-6:00 p.m.
Nonstop0h 00m
New YorkLondon
LGA New York LaGuardia - LHR London Heathrow
LGALHR
New York LaGuardia
Fri 13/11
10:00 a.m.-8:30 a.m.
2 stops17h 30m
London Heathrow
Wed 31/12
12:00 a.m.-6:00 p.m.
Nonstop0h 00m
New YorkLondon
LGA New York LaGuardia - LHR London Heathrow
LGALHR
New York LaGuardia
Sat 21/11
10:30 a.m.-6:30 a.m.
2 stops15h 00m
London Heathrow
Wed 31/12
12:00 a.m.-6:00 p.m.
Nonstop0h 00m
New YorkLondon
LGA New York LaGuardia - LHR London Heathrow
LGALHR
New York LaGuardia
Tue 24/11
10:35 a.m.-7:10 a.m.
1 stop15h 35m
London Heathrow
Wed 31/12
12:00 a.m.-6:00 p.m.
Nonstop0h 00m
New YorkLondon
LGA New York LaGuardia - LHR London Heathrow
LGALHR
New York LaGuardia
Tue 8/12
10:35 a.m.-7:10 a.m.
1 stop15h 35m
London Heathrow
Wed 31/12
12:00 a.m.-6:00 p.m.
Nonstop0h 00m
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, January is the cheapest month in which you can book a flight from New York LaGuardia Airport to London (average of C$ 753). Flying from New York LaGuardia Airport to London in December is currently the most expensive (average of C$ 1,472). 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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Complete your trip
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Direct flights to England
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Other flights to London
Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 12 October 2026.
LaGuardia and London flights
Browse other LaGuardia and London flight options. Last updated on 12 October 2026.
Other flights from LaGuardia
Browse through other flights departing from LaGuardia. Flights are based on user searches made on Cheapflights and were last updated on 12 October 2026.
Popular flight searches
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Can Cheapflights find flights from LaGuardia to London with no change fees?
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