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Cheap flights from London Heathrow Airport to New York from $397

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to New York departing on 3/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from London Heathrow Airport to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
6:50 am - 2:40 pm
LHR
-
LGA
12h 50m2 stops
Air Canada Logo
11:30 am - 6:30 am
LGA
-
LHR
14h 00m1 stop
$469Air Canada
Thu, Feb 19 - Thu, Feb 26
United Airlines Logo
6:30 am - 11:44 pm
LHR
-
LGA
21h 14m2 stops
United Airlines Logo
6:45 pm - 6:30 am
LGA
-
LHR
31h 45m1 stop
$470United Airlines
Mon, Mar 16 - Thu, Mar 19
Air Canada Logo
6:50 am - 2:40 pm
LHR
-
LGA
12h 50m2 stops
Air Canada Logo
10:35 am - 7:10 am
LGA
-
LHR
15h 35m1 stop
$471Air Canada
Tue, Feb 3 - Tue, Feb 10
Air Canada Logo
9:00 am - 10:33 pm
LHR
-
LGA
18h 33m2 stops
Air Canada Logo
3:20 pm - 7:10 am
LGA
-
LHR
10h 50m1 stop
$472Air Canada
Fri, Jan 16 - Fri, Jan 23
Air Canada Logo
6:50 am - 2:43 pm
LHR
-
LGA
12h 53m2 stops
Air Canada Logo
12:40 pm - 8:05 am
LGA
-
LHR
14h 25m2 stops
$473Air Canada
Fri, Jan 16 - Sun, Jan 25
Air Canada Logo
6:50 am - 7:02 pm
LHR
-
LGA
17h 12m2 stops
Air Canada Logo
10:35 am - 7:10 am
LGA
-
LHR
15h 35m1 stop
$474Air Canada
Thu, Jan 22 - Thu, Jan 29
Air Canada Logo
6:50 am - 4:59 pm
LHR
-
LGA
15h 09m2 stops
Air Canada Logo
1:05 pm - 6:30 am
LGA
-
LHR
12h 25m1 stop
$475Air Canada
Fri, Feb 6 - Fri, Feb 20
Air Canada Logo
9:00 am - 10:33 pm
LHR
-
LGA
18h 33m2 stops
Air Canada Logo
3:20 pm - 7:10 am
LGA
-
LHR
10h 50m1 stop
$476Air Canada
Fri, Jan 16 - Fri, Jan 23
Iberia Logo
11:40 am - 5:46 pm
LHR
-
LGA
11h 06m1 stop
Iberia Logo
5:16 pm - 9:15 am
LGA
-
LHR
10h 59m1 stop
$477Iberia
Fri, Jan 16 - Mon, Jan 19
Air Canada Logo
6:50 am - 4:57 pm
LHR
-
LGA
15h 07m2 stops
Air Canada Logo
3:20 pm - 7:10 am
LGA
-
LHR
10h 50m1 stop
$478Air Canada
Fri, Jan 16 - Tue, Jan 20

British Airways flights from London Heathrow Airport to New York LaGuardia Airport

Our best British Airways deals on London Heathrow Airport to New York LaGuardia Airport flight tickets
British Airways
Feb 11
LHR9:50 amLondon Heathrow
16h 39m
2 stops
LGA9:29 pmNew York LaGuardia
Feb 18
LGA9:10 pmNew York LaGuardia
16h 50m
1 stop
LHR7:00 pmLondon Heathrow
$476
Find similar
British Airways
Feb 12
LHR9:50 amLondon Heathrow
16h 32m
2 stops
LGA9:22 pmNew York LaGuardia
Feb 17
LGA4:05 pmNew York LaGuardia
9h 25m
1 stop
LHR6:30 amLondon Heathrow
$477
Find similar
British Airways
Feb 4
LHR9:50 amLondon Heathrow
16h 39m
2 stops
LGA9:29 pmNew York LaGuardia
Feb 9
LGA7:15 pmNew York LaGuardia
11h 45m
1 stop
LHR12:00 pmLondon Heathrow
$478
Find similar

United Airlines flights from London Heathrow Airport to New York LaGuardia Airport

Our best United Airlines deals on London Heathrow Airport to New York LaGuardia Airport flight tickets
United Airlines
Mar 16
LHR6:30 amLondon Heathrow
21h 14m
2 stops
LGA11:44 pmNew York LaGuardia
Mar 19
LGA10:26 amNew York LaGuardia
16h 04m
2 stops
LHR6:30 amLondon Heathrow
$470
Find similar
United Airlines
Jan 30
LHR1:30 pmLondon Heathrow
15h 13m
2 stops
LGA11:43 pmNew York LaGuardia
Feb 6
LGA1:05 pmNew York LaGuardia
15h 15m
2 stops
LHR9:20 amLondon Heathrow
$471
Find similar
United Airlines
Jan 15
LHR1:25 pmLondon Heathrow
10h 37m
1 stop
LGA7:02 pmNew York LaGuardia
Jan 18
LGA2:55 pmNew York LaGuardia
10h 45m
1 stop
LHR6:40 amLondon Heathrow
$491
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport to New York LaGuardia 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 January 4, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to New York LaGuardia Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Thu 2/19

6:50 am-2:40 pm

2 stops12h 50m

New York LaGuardia

Thu 2/26

11:30 am-6:30 am

1 stop14h 00m

$469

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Mon 3/16

6:30 am-11:44 pm

2 stops21h 14m

New York LaGuardia

Thu 3/19

6:45 pm-6:30 am

1 stop31h 45m

$470

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Tue 2/3

6:50 am-2:40 pm

2 stops12h 50m

New York LaGuardia

Tue 2/10

10:35 am-7:10 am

1 stop15h 35m

$471

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Fri 1/16

9:00 am-10:33 pm

2 stops18h 33m

New York LaGuardia

Fri 1/23

3:20 pm-7:10 am

1 stop10h 50m

$472

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Fri 1/16

6:50 am-2:43 pm

2 stops12h 53m

New York LaGuardia

Sun 1/25

12:40 pm-8:05 am

2 stops14h 25m

$473

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Thu 1/22

6:50 am-7:02 pm

2 stops17h 12m

New York LaGuardia

Thu 1/29

10:35 am-7:10 am

1 stop15h 35m

$474

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Fri 2/6

6:50 am-4:59 pm

2 stops15h 09m

New York LaGuardia

Fri 2/20

1:05 pm-6:30 am

1 stop12h 25m

$475

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Fri 1/16

9:00 am-10:33 pm

2 stops18h 33m

New York LaGuardia

Fri 1/23

3:20 pm-7:10 am

1 stop10h 50m

$476

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Fri 1/16

11:40 am-5:46 pm

1 stop11h 06m

New York LaGuardia

Mon 1/19

5:16 pm-9:15 am

1 stop10h 59m

$477

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Fri 1/16

6:50 am-4:57 pm

2 stops15h 07m

New York LaGuardia

Tue 1/20

3:20 pm-7:10 am

1 stop10h 50m

$478

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to New York from

How to get the cheapest flight ticket from London Heathrow Airport to New York LaGuardia 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 typical price of a round-trip flight between London Heathrow Airport and New York LaGuardia Airport?

What is the cheapest month to fly to New York LaGuardia Airport?

The cheapest month to fly to New York LaGuardia Airport from London Heathrow Airport is in November. Flight prices, which tend to average around $473, are often lower during this time because this is during the off-season. If you don’t want to visit New York LaGuardia Airport in November, then you should wait until September to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $506.

How far in advance should I book a flight to New York LaGuardia Airport?

You are more likely to see cheaper flights to New York LaGuardia Airport from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to New York LaGuardia Airport for around $664 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to New York LaGuardia Airport from London Heathrow Airport for as low as $524 on momondo.

Can stopping save me money on London Heathrow Airport to New York LaGuardia Airport flights?

You could potentially save up to 1% on your flight if you consider stops on a London Heathrow Airport to New York LaGuardia Airport flight.

When to book flights from London Heathrow Airport to New York LaGuardia Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to New York LaGuardia Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London Heathrow Airport to New York LaGuardia Airport (LHR to LGA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to New York LaGuardia Airport

Fastest flight time

10h 28m

Direct flights

None
The fastest flight from London Heathrow Airport to New York LaGuardia Airport takes 10h 28m
There are no direct flights from London Heathrow Airport to New York LaGuardia Airport. There are no popular flight routes from London Heathrow Airport to New York LaGuardia Airport.
Search flight deals

  • How far is London Heathrow to New York LaGuardia by plane?

    New York LaGuardia is 3438.0 mi away from London Heathrow. In terms of flight time, this usually takes a little over 10h 28m.

  • When did momondo last update prices for flights from London Heathrow Airport to New York LaGuardia Airport?

    Prices for flights from London Heathrow Airport to New York LaGuardia Airport are updated daily.

  • How old do you have to be to fly from London Heathrow Airport to New York LaGuardia Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to New York LaGuardia Airport.

  • What documentation or ID do you need to fly to New York LaGuardia Airport?

    The required travel and health documents for your New York LaGuardia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at New York LaGuardia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Seaside Heights
Queens
Bronx
Yonkers
East Rutherford
Asbury Park
Point Pleasant Beach
Beach Haven
Spring Lake
Tannersville
Long Branch
Wayne
Stamford
Secaucus
East Stroudsburg
Ocean Grove
Parsippany
Elizabeth
Staten Island
Mount Laurel

Why use momondo?

Why should I use momondo to find a flight deal from London to New York?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to New York. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to New York with flexible booking policies on momondo?

Flights from London to New York 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 London to New York?

momondo helps you find the best flight between London and New York by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from London to New York right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to New York now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to New York and let you know when they change.

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