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Cheap Flights from New York LaGuardia to London Heathrow

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      Travellers and cabin class, 1 Adult, Economy

      Compare New York LaGuardia to London Heathrow flight deals

      Find the cheapest month or even day of the year to fly to London Heathrow

      Book the best London Heathrow fare with no extra fees

      Flight deals from New York LaGuardia to London Heathrow

      Looking for a cheap last-minute deal or the best return flight from New York LaGuardia Airport to London Heathrow Airport? If you want to travel next month, return fares start from R 12,375. Find the lowest prices on one-way and return tickets right here.
      London.R 4,248 per passenger.Departing Tue, 6 Oct.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from New York LaGuardia on Tue, 6 Oct, arriving in London Heathrow.Price includes taxes and charges.From R 4,248, select.
      London.R 4,277 per passenger.Departing Fri, 6 Nov.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from New York LaGuardia on Fri, 6 Nov, arriving in London Heathrow.Price includes taxes and charges.From R 4,277, select.
      London.R 4,311 per passenger.Departing Fri, 25 Sep.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from New York LaGuardia on Fri, 25 Sep, arriving in London Heathrow.Price includes taxes and charges.From R 4,311, select.
      London.R 4,331 per passenger.Departing Thu, 21 Jan.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from New York LaGuardia on Thu, 21 Jan, arriving in London Heathrow.Price includes taxes and charges.From R 4,331, select.
      London.R 4,360 per passenger.Departing Sat, 5 Dec.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from New York LaGuardia on Sat, 5 Dec, arriving in London Heathrow.Price includes taxes and charges.From R 4,360, select.
      London.R 4,451 per passenger.Departing Tue, 2 Feb.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from New York LaGuardia on Tue, 2 Feb, arriving in London Heathrow.Price includes taxes and charges.From R 4,451, select.
      London.R 4,518 per passenger.Departing Sat, 17 Apr.One-way flight with Virgin Atlantic.Outbound indirect flight with Virgin Atlantic, departs from New York LaGuardia on Sat, 17 Apr, arriving in London Heathrow.Price includes taxes and charges.From R 4,518, select.
      London.R 4,669 per passenger.Departing Mon, 3 May.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from New York LaGuardia on Mon, 3 May, arriving in London Heathrow.Price includes taxes and charges.From R 4,669, select.
      London.R 4,675 per passenger.Departing Tue, 16 Mar.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from New York LaGuardia on Tue, 16 Mar, arriving in London Heathrow.Price includes taxes and charges.From R 4,675, select.
      London.R 4,726 per passenger.Departing Wed, 28 Jul.One-way flight with United.Outbound indirect flight with United, departs from New York LaGuardia on Wed, 28 Jul, arriving in London Heathrow.Price includes taxes and charges.From R 4,726, select.
      London.R 4,749 per passenger.Departing Sun, 1 Aug.One-way flight with United.Outbound indirect flight with United, departs from New York LaGuardia on Sun, 1 Aug, arriving in London Heathrow.Price includes taxes and charges.From R 4,749, select.
      London.R 5,994 per passenger.Departing Thu, 24 Jun.One-way flight with Virgin Atlantic.Outbound indirect flight with Virgin Atlantic, departs from New York LaGuardia on Thu, 24 Jun, arriving in London Heathrow.Price includes taxes and charges.From R 5,994, select.

      Find the cheapest month to fly from New York LaGuardia to London Heathrow

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like New York LaGuardia to London Heathrow flights are currently cheapest in October.
      Sep
      from R 4,311
      Oct
      from R 4,248
      Nov
      from R 4,277
      Dec
      from R 4,360
      Jan
      from R 4,331
      Feb
      from R 4,451
      Mar
      from R 4,675
      Apr
      from R 4,518
      May
      from R 4,669
      Jun
      from R 5,994
      Jul
      from R 4,726
      Aug
      from R 4,749

      New York LaGuardia to London Heathrow: Alternative routes

      Compare routes from New York LaGuardia to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

      London City

      12km from central London
      Closest
      from R 5,123
      Search flights

      London Heathrow

      23km from central London
      from R 4,248
      Search flights

      London Gatwick

      40km from central London
      Cheapest
      from R 4,182
      Search flights

      London Luton

      45km from central London
      from R 5,024
      Search flights

      London Stansted

      49km from central London
      from R 5,099
      Search flights

      London Southend

      57km from central London
      from R 5,742
      Search flights

      New York to London: Flight information

      The things to know before you go.
      Cheapest flight foundR 4,248
      Cheapest month to flyOctober

      Finding cheap flights from New York LaGuardia to London Heathrow: Frequently asked questions

      The best price we found for a return flight from New York LaGuardia to London Heathrow is R 12,277. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from New York LaGuardia to London Heathrow. But we found flights with one or more stops from R 12,277.
      As of September 2026, there are no flights flying from New York LaGuardia to London Heathrow.
      The cheapest month to fly from New York LaGuardia to London Heathrow is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from New York LaGuardia Airport to London Heathrow Airport on Saturday, 24 October 2026.
      No airlines currently offer direct flights between New York LaGuardia Airport and London Heathrow Airport. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Finnair offers the cheapest flight tickets to London Heathrow.

      Travelling from New York LaGuardia Airport (LGA) to London Heathrow Airport (LHR): what you need to know

      • London is five hours ahead of New York and observes the UTC+0 timezone.

      • Your LGA to LHR flight won't wait if you're running late, so show up at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

      • During popular months such as July, it's a good idea to get to the airport earlier. Arrive two hours before a domestic departure and four hours ahead of an international flight whenever you're travelling during a high season in general.

      • Consider adding a stopover when booking your ticket from New York LaGuardia Airport to London Heathrow Airport. Just uncheck 'Direct flights only' to break up your journey, or enjoy a detour to a new and interesting place. Here's where you can stop between LGA and LHR:

        • Boston Logan International Airport

        • Philadelphia International Airport

        • Montreal Pierre Elliott Trudeau Airport

      How to find the cheapest flights from New York LaGuardia Airport (LGA) to London Heathrow Airport (LHR)

      • R 4,248 is the best price for a one-way New York LaGuardia Airport to London Heathrow Airport flight. A return flight starts at R 12,277. These prices can change depending on availability and demand.

      • To get your hands on cheap tickets from LGA to LHR, book as early as you can. Airlines generally offer the most competitive fares when flights are first made available.

      • The 'Whole month' tool shows you the cheapest flights from New York LaGuardia Airport to London Heathrow Airport across the month. It's a great way to find a bargain if your travel plans aren't set in stone.

      • Picking up cheap flights from LGA to LHR is a piece of cake with Price Alerts. Simply create one of these automatic alerts and we'll notify you when a new deal comes up.

      • Pick your preferred departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from New York LaGuardia Airport to London Heathrow Airport.

      Handy information about New York LaGuardia Airport (LGA)

      • LGA's address is Hangar 7 Centre.

      • Of all flights leaving New York LaGuardia Airport, 69% arrive on time at their destination.

      • To get to New York LaGuardia Airport from central New York, it'll take around 30 minutes if you're going by car. This depends on traffic, however. It's approximately 13 kilometres from the airport to the city centre.

      • You can expect a trip time of around 55 minutes on public transport.

      • Looking for a convenient hotel close to LGA? If you've booked an early flight from New York LaGuardia Airport to London Heathrow Airport, these accommodation options will have you moments from your departure lounge:

      Arriving at London Heathrow Airport (LHR)

      When to fly to London Heathrow Airport (LHR)

      • July is the most popular month for flights from New York LaGuardia Airport to London Heathrow Airport. To skip the crowds, visit London in March.

      • Book your flight from New York LaGuardia Airport to London Heathrow Airport for July if you'd like to go to London during its warmest month. You can expect temperatures of between 11ºC (52ºF) and 26ºC (79ºF).

      • January has average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Search for cheap tickets from LGA to LHR sometime around then if you like travelling in cooler conditions.

      Explore more of the United Kingdom

      • Manchester is just one of the many cities in the United Kingdom waiting to be discovered once you've seen London. Around 257 kilometres away to the north-west, its top attractions include Manchester United Museum & Stadium Tour, The Homes of Football and Museum of Science and Industry.

      • Around 161 kilometres north-west of London, Birmingham is another favourite stop in the United Kingdom. Experience this destination's highlights firsthand at Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience.

      Plan the rest of your trip from New York to London

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.