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Cheap flights from London Heathrow Airport to New York from $355

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 4/27. 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.
United Airlines Logo
4:40 pm - 11:30 pm
LHR
-
LGA
11h 50m
1 stop
United Airlines Logo
2:50 pm - 6:55 am
LGA
-
LHR
11h 05m
1 stop
$459United Airlines
Tue, Apr 28 - Wed, May 6
United Airlines Logo
12:15 pm - 6:44 pm
LHR
-
LGA
11h 29m
1 stop
United Airlines Logo
2:49 pm - 10:40 am
LGA
-
LHR
14h 51m
1 stop
$489United Airlines
Sat, Apr 18 - Tue, Apr 21
Air Canada Logo
11:10 am - 7:03 pm
LHR
-
LGA
11h 53m
1 stop
Air Canada Logo
11:40 am - 6:35 am
LGA
-
LHR
13h 55m
1 stop
$513Air Canada
Wed, Mar 25 - Sun, Mar 29
United Airlines Logo
12:15 pm - 6:44 pm
LHR
-
LGA
11h 29m
1 stop
United Airlines Logo
2:49 pm - 10:40 am
LGA
-
LHR
14h 51m
1 stop
$519United Airlines
Fri, Apr 17 - Tue, Apr 21
United Airlines Logo
4:40 pm - 11:30 pm
LHR
-
LGA
11h 50m
1 stop
United Airlines Logo
2:49 pm - 6:55 am
LGA
-
LHR
11h 06m
1 stop
$530United Airlines
Tue, Apr 21 - Sat, Apr 25
United Airlines Logo
4:40 pm - 11:30 pm
LHR
-
LGA
11h 50m
1 stop
United Airlines Logo
7:28 pm - 10:40 am
LGA
-
LHR
10h 12m
1 stop
$532United Airlines
Wed, May 27 - Mon, Jun 1
United Airlines Logo
4:40 pm - 11:30 pm
LHR
-
LGA
11h 50m
1 stop
United Airlines Logo
2:49 pm - 6:55 am
LGA
-
LHR
11h 06m
1 stop
$555United Airlines
Wed, Apr 1 - Sun, Apr 19
United Airlines Logo
4:40 pm - 11:30 pm
LHR
-
LGA
11h 50m
1 stop
United Airlines Logo
7:28 pm - 10:40 am
LGA
-
LHR
10h 12m
1 stop
$562United Airlines
Sun, Jun 14 - Wed, Jun 24
Air Canada Logo
2:05 pm - 7:31 pm
LHR
-
LGA
10h 26m
1 stop
Air Canada Logo
8:55 am - 6:30 am
LGA
-
LHR
16h 35m
1 stop
$563Air Canada
Wed, Apr 15 - Wed, Apr 22
Air Canada Logo
8:40 am - 7:37 pm
LHR
-
LGA
15h 57m
2 stops
Air Canada Logo
10:00 am - 6:30 am
LGA
-
LHR
39h 30m
2 stops
$570Air Canada
Wed, Sep 2 - Wed, Sep 23

Air Canada flights from London Heathrow Airport to New York LaGuardia Airport

Our best Air Canada deals on London Heathrow Airport to New York LaGuardia Airport flight tickets
Air Canada
Apr 15
LHR2:05 pmLondon Heathrow
10h 26m
1 stop
LGA7:31 pmNew York LaGuardia
Apr 22
LGA8:55 amNew York LaGuardia
16h 35m
1 stop
LHR6:30 amLondon Heathrow
$563
Air Canada
Sep 2
LHR8:40 amLondon Heathrow
15h 57m
2 stops
LGA7:37 pmNew York LaGuardia
Sep 23
LGA10:00 amNew York LaGuardia
39h 30m
2 stops
LHR6:30 amLondon Heathrow
$570
Air Canada
Apr 22
LHR6:50 amLondon Heathrow
13h 08m
2 stops
LGA2:58 pmNew York LaGuardia
Apr 28
LGA4:00 pmNew York LaGuardia
13h 00m
1 stop
LHR10:00 amLondon Heathrow
$586

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
Sep 2
LHR2:30 pmLondon Heathrow
11h 09m
1 stop
LGA8:39 pmNew York LaGuardia
Sep 23
LGA5:45 pmNew York LaGuardia
10h 50m
1 stop
LHR9:35 amLondon Heathrow
$576
British Airways
Mar 18
LHR6:15 amLondon Heathrow
18h 57m
2 stops
LGA9:12 pmNew York LaGuardia
Mar 25
LGA6:00 amNew York LaGuardia
9h 00m
1 stop
LHR7:00 pmLondon Heathrow
$603
British Airways
Mar 18
LHR1:30 pmLondon Heathrow
11h 42m
1 stop
LGA9:12 pmNew York LaGuardia
Mar 23
LGA4:05 pmNew York LaGuardia
10h 25m
1 stop
LHR6:30 amLondon Heathrow
$617

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 March 9, 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

Cheapest round-trip

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Tue 4/28

4:40 pm-11:30 pm

1 stop11h 50m

New York LaGuardia

Wed 5/6

2:50 pm-6:55 am

1 stop11h 05m

$459

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Sat 4/18

12:15 pm-6:44 pm

1 stop11h 29m

New York LaGuardia

Tue 4/21

2:49 pm-10:40 am

1 stop14h 51m

$489

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Wed 3/25

11:10 am-7:03 pm

1 stop11h 53m

New York LaGuardia

Sun 3/29

11:40 am-6:35 am

1 stop13h 55m

$513

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Fri 4/17

12:15 pm-6:44 pm

1 stop11h 29m

New York LaGuardia

Tue 4/21

2:49 pm-10:40 am

1 stop14h 51m

$519

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Tue 4/21

4:40 pm-11:30 pm

1 stop11h 50m

New York LaGuardia

Sat 4/25

2:49 pm-6:55 am

1 stop11h 06m

$530
Quickest round-trip

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Wed 5/27

4:40 pm-11:30 pm

1 stop11h 50m

New York LaGuardia

Mon 6/1

7:28 pm-10:40 am

1 stop10h 12m

$532

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Wed 4/1

4:40 pm-11:30 pm

1 stop11h 50m

New York LaGuardia

Sun 4/19

2:49 pm-6:55 am

1 stop11h 06m

$555

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Sun 6/14

4:40 pm-11:30 pm

1 stop11h 50m

New York LaGuardia

Wed 6/24

7:28 pm-10:40 am

1 stop10h 12m

$562

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Wed 4/15

2:05 pm-7:31 pm

1 stop10h 26m

New York LaGuardia

Wed 4/22

8:55 am-6:30 am

1 stop16h 35m

$563

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Wed 9/2

8:40 am-7:37 pm

2 stops15h 57m

New York LaGuardia

Wed 9/23

10:00 am-6:30 am

2 stops39h 30m

$570

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 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 $487.

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

You could potentially save up to 15% 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

11h 28m

Direct flights

None
The fastest flight from London Heathrow Airport to New York LaGuardia Airport takes 11h 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 11h 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
Long Branch
Spring Lake
Wayne
Stamford
Tannersville
East Stroudsburg
Secaucus
Parsippany
Ocean Grove
Woodbridge
Mount Laurel
Elizabeth

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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