Cheap flights from New York LaGuardia to London Heathrow

Compare New York LaGuardia to London Heathrow flight deals

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

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Flight deals from New York LaGuardia to London Heathrow

Looking for a cheap last-minute deal or the best round-trip flight from New York LaGuardia Airport to London Heathrow Airport? If you want to travel next month, round-trip fares start from $885. Find the lowest prices on one-way and round-trip tickets right here.

London.$606 per passenger.Departing Sun, Jan 3, returning Tue, Feb 9.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from New York LaGuardia on Sun, Jan 3, arriving in London Heathrow.Inbound indirect flight with Air Canada, departing from London Heathrow on Tue, Feb 9, arriving in New York LaGuardia.Price includes taxes and charges.From $606, select.

London.$665 per passenger.Departing Thu, Sep 10, returning Mon, Sep 21.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from New York LaGuardia on Thu, Sep 10, arriving in London Heathrow.Inbound indirect flight with Air Canada, departing from London Heathrow on Mon, Sep 21, arriving in New York LaGuardia.Price includes taxes and charges.From $665, select.

London.$718 per passenger.Departing Fri, Sep 18, returning Fri, Oct 2.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from New York LaGuardia on Fri, Sep 18, arriving in London Heathrow.Inbound indirect flight with Air Canada, departing from London Heathrow on Fri, Oct 2, arriving in New York LaGuardia.Price includes taxes and charges.From $718, select.

London.$748 per passenger.Departing Fri, Aug 28, returning Sun, Sep 6.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from New York LaGuardia on Fri, Aug 28, arriving in London Heathrow.Inbound indirect flight with Air Canada, departing from London Heathrow on Sun, Sep 6, arriving in New York LaGuardia.Price includes taxes and charges.From $748, select.

London.$751 per passenger.Departing Tue, Aug 4, returning Tue, Oct 6.Round-trip flight with United.Outbound indirect flight with United, departing from New York LaGuardia on Tue, Aug 4, arriving in London Heathrow.Inbound indirect flight with United, departing from London Heathrow on Tue, Oct 6, arriving in New York LaGuardia.Price includes taxes and charges.From $751, select.

London.$755 per passenger.Departing Sat, Oct 24, returning Sun, Nov 22.Round-trip flight with United.Outbound indirect flight with United, departing from New York LaGuardia on Sat, Oct 24, arriving in London Heathrow.Inbound indirect flight with United, departing from London Heathrow on Sun, Nov 22, arriving in New York LaGuardia.Price includes taxes and charges.From $755, select.

London.$755 per passenger.Departing Thu, Dec 10, returning Wed, Dec 16.Round-trip flight with United.Outbound indirect flight with United, departing from New York LaGuardia on Thu, Dec 10, arriving in London Heathrow.Inbound indirect flight with United, departing from London Heathrow on Wed, Dec 16, arriving in New York LaGuardia.Price includes taxes and charges.From $755, select.

London.$756 per passenger.Departing Wed, Jan 13, returning Mon, Jan 18.Round-trip flight with United.Outbound indirect flight with United, departing from New York LaGuardia on Wed, Jan 13, arriving in London Heathrow.Inbound indirect flight with United, departing from London Heathrow on Mon, Jan 18, arriving in New York LaGuardia.Price includes taxes and charges.From $756, select.

London.$757 per passenger.Departing Wed, Mar 10, returning Wed, Mar 17.Round-trip flight with United.Outbound indirect flight with United, departing from New York LaGuardia on Wed, Mar 10, arriving in London Heathrow.Inbound indirect flight with United, departing from London Heathrow on Wed, Mar 17, arriving in New York LaGuardia.Price includes taxes and charges.From $757, select.

London.$757 per passenger.Departing Wed, Nov 25, returning Mon, Jan 25.Round-trip flight with United.Outbound indirect flight with United, departing from New York LaGuardia on Wed, Nov 25, arriving in London Heathrow.Inbound indirect flight with United, departing from London Heathrow on Mon, Jan 25, arriving in New York LaGuardia.Price includes taxes and charges.From $757, select.

London.$757 per passenger.Departing Tue, Jul 21, returning Wed, Aug 19.Round-trip flight with United.Outbound indirect flight with United, departing from New York LaGuardia on Tue, Jul 21, arriving in London Heathrow.Inbound indirect flight with United, departing from London Heathrow on Wed, Aug 19, arriving in New York LaGuardia.Price includes taxes and charges.From $757, select.

London.$757 per passenger.Departing Fri, Aug 14, returning Fri, Aug 28.Round-trip flight with United.Outbound indirect flight with United, departing from New York LaGuardia on Fri, Aug 14, arriving in London Heathrow.Inbound indirect flight with United, departing from London Heathrow on Fri, Aug 28, arriving in New York LaGuardia.Price includes taxes and charges.From $757, select.

London.$757 per passenger.Departing Sat, Nov 7, returning Sun, Nov 22.Round-trip flight with United.Outbound indirect flight with United, departing from New York LaGuardia on Sat, Nov 7, arriving in London Heathrow.Inbound indirect flight with United, departing from London Heathrow on Sun, Nov 22, arriving in New York LaGuardia.Price includes taxes and charges.From $757, select.

London.$757 per passenger.Departing Sat, Jul 25, returning Fri, Sep 25.Round-trip flight with United.Outbound indirect flight with United, departing from New York LaGuardia on Sat, Jul 25, arriving in London Heathrow.Inbound indirect flight with United, departing from London Heathrow on Fri, Sep 25, arriving in New York LaGuardia.Price includes taxes and charges.From $757, select.

London.$757 per passenger.Departing Tue, Oct 6, returning Thu, Oct 22.Round-trip flight with United.Outbound indirect flight with United, departing from New York LaGuardia on Tue, Oct 6, arriving in London Heathrow.Inbound indirect flight with United, departing from London Heathrow on Thu, Oct 22, arriving in New York LaGuardia.Price includes taxes and charges.From $757, select.

London.$758 per passenger.Departing Sat, Feb 6, returning Sat, Feb 20.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from New York LaGuardia on Sat, Feb 6, arriving in London Heathrow.Inbound indirect flight with Air Canada, departing from London Heathrow on Sat, Feb 20, arriving in New York LaGuardia.Price includes taxes and charges.From $758, 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 September.

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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.

New York to London: Flight information

The things to know before you go.

Cheapest flight found	$606
Cheapest month to fly	January

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

How much are round-trip flights from New York LaGuardia to London Heathrow?

The best price we found for a round-trip flight from New York LaGuardia to London Heathrow is $606. 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.

Which airlines fly direct from New York LaGuardia to London Heathrow?

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 $606.

How many flights are there a week from New York LaGuardia to London Heathrow?

There are no flights flying from New York LaGuardia to London Heathrow, as of May 2026.

When is the cheapest time to fly from New York LaGuardia to London Heathrow?

The cheapest month to fly from New York LaGuardia to London Heathrow is usually January.

Which upcoming date is cheapest to fly from New York LaGuardia Airport to London Heathrow Airport on?

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 Sunday, January 3, 2027.

Can I get a direct flight from New York LaGuardia Airport to London Heathrow Airport?

No airlines currently offer direct flights between New York LaGuardia Airport and London Heathrow Airport. Most routes have one or more stops.

How can I find the best flight deal to London Heathrow?

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.

When is the best time to book flights to London?

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.

Which is the cheapest airline to fly with from New York LaGuardia Airport to London Heathrow?

Currently, Air Canada offers the cheapest flight tickets to London Heathrow.

Traveling from LaGuardia Airport (LGA) to London Heathrow Airport (LHR): what you need to know

London is four hours ahead of New York and is in the UTC+0 timezone.
Your LGA to LHR flight won't wait if you're late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.
During popular months such as July, it's best to get to the airport earlier than normal. Arrive two hours before domestic departures and four hours ahead of an international flight when you travel during a peak period in general.
We make it easy to book a flight with a stopover. To see all your options for tickets from LaGuardia Airport to London Heathrow Airport, uncheck 'Direct flights only.' Then, pick a flight offering a stop long enough to visit the city of your choice. Top stopovers between LGA and LHR include:
- Logan International Airport
- Philadelphia International Airport
- Montreal-Pierre Elliott Trudeau International Airport

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

The lowest price we've seen for a one-way LaGuardia Airport to London Heathrow Airport flight is $320. A round-trip ticket right now is $604. Depending on the availability and when you book, these fares could change.
Don't leave things to the last minute. You're more likely to find cheap tickets from LGA to LHR if you book in advance. Airlines often have some great early bird discounts.
The 'Whole month' search function shows you the cheapest flights from LaGuardia Airport to London Heathrow Airport throughout the entire month. It's an easy way to find a bargain if your travel dates aren't set in stone.
Picking up cheap flights from LGA to LHR is a cinch with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch as soon as a lower fare pops up.
Tailor your flights with filters. Choose your preferred departure and arrival times, total journey duration and airlines. You can also sort results by 'Fastest,' 'Cheapest' or 'Best' flights from LaGuardia Airport to London Heathrow Airport.

Handy information about LaGuardia Airport (LGA)

The address for LGA is Hangar 7 Center.
LaGuardia Airport has a strong on-time record, so flight disruptions are less likely. Departures from LGA make it to their destination as scheduled 80.0% of the time.
LaGuardia Airport is around 18 kilometers from central New York. If you're driving, catching a cab or ride-sharing from the center, it'll take you 25 minutes or so to get there, depending on the traffic.
The journey when using public transport will take about 1 hour.
Searching for a convenient hotel near LGA? If you're boarding an early flight from LaGuardia Airport to London Heathrow Airport, these accommodation options will have you moments from check-in:

Arriving at London Heathrow Airport (LHR)

Book a hotel close to LHR if you're catching a late LaGuardia Airport to London Heathrow Airport flight. Pick one of these options and avoid the hassle of a long transfer:
Travel at your own speed with a London Heathrow Airport rental car. Book your wheels from Surprice, U-Save or Green Motion and find adventure across London and beyond.
To get the lowest price, reserve your ride from London Heathrow Airport around one week ahead.

Getting from London Heathrow Airport (LHR) to central London

From London Heathrow Airport, London is approximately 31 kilometers away. It takes around 55 minutes to drive to the center.
When traveling on public transport, expect a journey time of around 1 hour.

When to fly to London Heathrow Airport (LHR)

The quietest month for a flight from LaGuardia Airport to London Heathrow Airport is February, while July is the most popular. Pick the ideal time to visit London based on whether you prefer a more fast-paced or easygoing experience.
Lock in your flight from LaGuardia Airport to London Heathrow Airport for July if you want to go to London during its warmest month. Expect temperatures of between 11ºC (52ºF) and 26ºC (79ºF).
Search for cheap tickets from LGA to LHR in January if you like cooler conditions. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

Explore more of United Kingdom

You've seen London, now it's time to discover other parts of United Kingdom. Journey about 161 kilometers north-west to Birmingham to tick off its leading attractions. From Cadbury World to The Library of Birmingham and National Sea Life Centre, your itinerary will be busy.
Around 177 kilometers west of London, Bristol is another essential stop in United Kingdom. Experience the best of this destination with a visit to Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.