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Cheap flights from London Heathrow Airport to New York from $438

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 8/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Find the cheapest flights from London Heathrow Airport to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
11:00 am - 6:49 pm
LHR
-
LGA
12h 49m
1 stop
American Airlines Logo
3:00 pm - 9:25 am
LGA
-
LHR
13h 25m
1 stop
$562American Airlines
Wed, Apr 29 - Sun, May 3
Air Canada Logo
8:30 am - 2:59 pm
LHR
-
LGA
11h 29m
1 stop
Air Canada Logo
2:30 pm - 8:35 am
LGA
-
LHR
13h 05m
1 stop
$564Air Canada
Sun, Sep 27 - Fri, Oct 2
American Airlines Logo
10:05 am - 3:35 pm
LHR
-
LGA
10h 30m
1 stop
American Airlines Logo
5:45 pm - 8:00 am
LGA
-
LHR
9h 15m
1 stop
$572American Airlines
Mon, Sep 21 - Sun, Sep 27
United Airlines Logo
4:40 pm - 11:27 pm
LHR
-
LGA
11h 47m
1 stop
United Airlines Logo
7:48 pm - 10:40 am
LGA
-
LHR
9h 52m
1 stop
$575United Airlines
Thu, Sep 24 - Mon, Oct 5
Multiple Airlines Logo
6:00 am - 6:20 pm
LHR
-
LGA
17h 20m
2 stops
Multiple Airlines Logo
5:40 pm - 6:30 am
LGA
-
LHR
31h 50m
1 stop
$579Multiple Airlines
Tue, May 5 - Tue, May 19
Air Canada Logo
8:45 am - 7:31 pm
LHR
-
LGA
15h 46m
2 stops
Air Canada Logo
5:40 pm - 10:00 am
LGA
-
LHR
11h 20m
1 stop
$581Air Canada
Thu, Apr 30 - Sat, May 9
British Airways Logo
7:40 am - 9:11 pm
LHR
-
LGA
18h 31m
2 stops
British Airways Logo
3:19 pm - 8:00 am
LGA
-
LHR
11h 41m
1 stop
$582British Airways
Mon, May 4 - Mon, May 11
Air Canada Logo
2:05 pm - 7:36 pm
LHR
-
LGA
10h 31m
1 stop
Air Canada Logo
3:30 pm - 6:30 am
LGA
-
LHR
10h 00m
1 stop
$583Air Canada
Fri, May 1 - Wed, May 6
Air Canada Logo
2:05 pm - 7:31 pm
LHR
-
LGA
10h 26m
1 stop
Air Canada Logo
3:30 pm - 6:30 am
LGA
-
LHR
10h 00m
1 stop
$584Air Canada
Thu, Apr 30 - Tue, May 5
Air Canada Logo
8:40 am - 8:59 pm
LHR
-
LGA
17h 19m
2 stops
Air Canada Logo
8:30 pm - 6:30 am
LGA
-
LHR
29h 00m
1 stop
$585Air Canada
Fri, May 1 - Sat, May 9

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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
May 4
LHR7:40 amLondon Heathrow
18h 31m
2 stops
LGA9:11 pmNew York LaGuardia
May 11
LGA3:19 pmNew York LaGuardia
11h 41m
1 stop
LHR8:00 amLondon Heathrow
$582
British Airways
May 3
LHR3:50 pmLondon Heathrow
34h 21m
2 stops
LGA9:11 pmNew York LaGuardia
May 10
LGA9:29 pmNew York LaGuardia
29h 31m
1 stop
LHR8:00 amLondon Heathrow
$601
British Airways
May 4
LHR7:40 amLondon Heathrow
18h 31m
2 stops
LGA9:11 pmNew York LaGuardia
May 11
LGA9:29 pmNew York LaGuardia
16h 26m
1 stop
LHR6:55 pmLondon Heathrow
$613

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
Sep 27
LHR8:30 amLondon Heathrow
11h 29m
1 stop
LGA2:59 pmNew York LaGuardia
Oct 2
LGA2:30 pmNew York LaGuardia
13h 05m
1 stop
LHR8:35 amLondon Heathrow
$564
Air Canada
Apr 25
LHR9:30 amLondon Heathrow
10h 26m
1 stop
LGA2:56 pmNew York LaGuardia
May 1
LGA3:30 pmNew York LaGuardia
10h 00m
1 stop
LHR6:30 amLondon Heathrow
$573
Air Canada
Apr 27
LHR2:05 pmLondon Heathrow
10h 26m
1 stop
LGA7:31 pmNew York LaGuardia
May 4
LGA5:40 pmNew York LaGuardia
11h 20m
1 stop
LHR10:00 amLondon Heathrow
$574

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 April 19, 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

Wed 4/29

11:00 am-6:49 pm

1 stop12h 49m

New York LaGuardia

Sun 5/3

3:00 pm-9:25 am

1 stop13h 25m

$562

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Sun 9/27

8:30 am-2:59 pm

1 stop11h 29m

New York LaGuardia

Fri 10/2

2:30 pm-8:35 am

1 stop13h 05m

$564
Quickest round-trip

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Mon 9/21

10:05 am-3:35 pm

1 stop10h 30m

New York LaGuardia

Sun 9/27

5:45 pm-8:00 am

1 stop9h 15m

$572

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Thu 9/24

4:40 pm-11:27 pm

1 stop11h 47m

New York LaGuardia

Mon 10/5

7:48 pm-10:40 am

1 stop9h 52m

$575

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Tue 5/5

6:00 am-6:20 pm

2 stops17h 20m

New York LaGuardia

Tue 5/19

5:40 pm-6:30 am

1 stop31h 50m

$579

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Thu 4/30

8:45 am-7:31 pm

2 stops15h 46m

New York LaGuardia

Sat 5/9

5:40 pm-10:00 am

1 stop11h 20m

$581

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Mon 5/4

7:40 am-9:11 pm

2 stops18h 31m

New York LaGuardia

Mon 5/11

3:19 pm-8:00 am

1 stop11h 41m

$582

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Fri 5/1

2:05 pm-7:36 pm

1 stop10h 31m

New York LaGuardia

Wed 5/6

3:30 pm-6:30 am

1 stop10h 00m

$583

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Thu 4/30

2:05 pm-7:31 pm

1 stop10h 26m

New York LaGuardia

Tue 5/5

3:30 pm-6:30 am

1 stop10h 00m

$584

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Fri 5/1

8:40 am-8:59 pm

2 stops17h 19m

New York LaGuardia

Sat 5/9

8:30 pm-6:30 am

1 stop29h 00m

$585

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 $487.

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

You could potentially save up to 11% 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 06m

Direct flights

None
The fastest flight from London Heathrow Airport to New York LaGuardia Airport takes 10h 06m
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

Frequently asked questions about flying from London Heathrow Airport to New York LaGuardia Airport

  • 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 06m.

  • 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
Wayne
Spring Lake
Stamford
Tannersville
Woodbridge
East Stroudsburg
Secaucus
Parsippany
Mount Laurel
Ocean Grove
Edgewater

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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