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Cheap flights from London Heathrow Airport to New York from $446

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 8/24. 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
1 adult, Economy, 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.
United Airlines Logo
12:15 pm - 6:47 pm
LHR
-
LGA
11h 32m
1 stop
United Airlines Logo
7:28 pm - 10:40 am
LGA
-
LHR
10h 12m
1 stop
$626United Airlines
Mon, Jun 29 - Sat, Aug 1
Delta Logo
10:45 am - 8:00 pm
LHR
-
LGA
14h 15m
1 stop
Delta Logo
3:00 pm - 6:45 am
LGA
-
LHR
10h 45m
1 stop
$636Delta
Mon, Jul 6 - Wed, Jul 22
United Airlines Logo
2:10 pm - 8:59 pm
LHR
-
LGA
11h 49m
1 stop
United Airlines Logo
7:28 pm - 6:55 am
LGA
-
LHR
30h 27m
1 stop
$642United Airlines
Fri, Jun 26 - Sat, Jun 27
Multiple Airlines Logo
11:30 am - 11:45 pm
LHR
-
LGA
17h 15m
2 stops
Multiple Airlines Logo
3:00 pm - 6:50 am
LGA
-
LHR
10h 50m
1 stop
$645Multiple Airlines
Mon, Nov 2 - Tue, Nov 24
British Airways Logo
6:20 am - 8:55 pm
LHR
-
LGA
19h 35m
2 stops
British Airways Logo
9:10 pm - 6:55 pm
LGA
-
LHR
16h 45m
1 stop
$650British Airways
Mon, Oct 5 - Sat, Oct 10
British Airways Logo
10:05 am - 8:59 pm
LHR
-
LGA
15h 54m
1 stop
British Airways Logo
5:28 pm - 8:00 am
LGA
-
LHR
9h 32m
1 stop
$653British Airways
Thu, Sep 10 - Thu, Oct 1
British Airways Logo
10:05 am - 5:30 pm
LHR
-
LGA
12h 25m
1 stop
British Airways Logo
2:03 pm - 7:50 am
LGA
-
LHR
12h 47m
1 stop
$654British Airways
Sat, Sep 12 - Sat, Oct 3
British Airways Logo
5:35 pm - 7:16 am
LHR
-
LGA
18h 41m
1 stop
British Airways Logo
5:45 pm - 8:00 am
LGA
-
LHR
9h 15m
1 stop
$655British Airways
Mon, Sep 14 - Mon, Oct 5
British Airways Logo
10:05 am - 8:59 pm
LHR
-
LGA
15h 54m
1 stop
British Airways Logo
4:59 pm - 9:25 am
LGA
-
LHR
11h 26m
1 stop
$656British Airways
Sun, Sep 13 - Sun, Oct 4
Air Canada Logo
9:30 am - 2:37 pm
LHR
-
LGA
10h 07m
1 stop
Air Canada Logo
4:45 pm - 8:35 am
LGA
-
LHR
10h 50m
1 stop
$660Air Canada
Fri, Jul 17 - Tue, Jul 28

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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
Jun 29
LHR12:15 pmLondon Heathrow
11h 32m
1 stop
LGA6:47 pmNew York LaGuardia
Aug 1
LGA7:28 pmNew York LaGuardia
10h 12m
1 stop
LHR10:40 amLondon Heathrow
$626
United Airlines
Jun 26
LHR2:10 pmLondon Heathrow
11h 49m
1 stop
LGA8:59 pmNew York LaGuardia
Jun 27
LGA7:28 pmNew York LaGuardia
30h 27m
1 stop
LHR6:55 amLondon Heathrow
$642
United Airlines
Nov 3
LHR9:00 amLondon Heathrow
19h 27m
2 stops
LGA11:27 pmNew York LaGuardia
Nov 7
LGA10:29 amNew York LaGuardia
15h 11m
1 stop
LHR6:40 amLondon Heathrow
$675

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
Oct 5
LHR6:20 amLondon Heathrow
19h 35m
2 stops
LGA8:55 pmNew York LaGuardia
Oct 10
LGA9:10 pmNew York LaGuardia
16h 45m
1 stop
LHR6:55 pmLondon Heathrow
$650
British Airways
Sep 10
LHR10:05 amLondon Heathrow
15h 54m
1 stop
LGA8:59 pmNew York LaGuardia
Oct 1
LGA5:28 pmNew York LaGuardia
9h 32m
1 stop
LHR8:00 amLondon Heathrow
$653
British Airways
Sep 12
LHR10:05 amLondon Heathrow
12h 25m
1 stop
LGA5:30 pmNew York LaGuardia
Oct 3
LGA2:03 pmNew York LaGuardia
12h 47m
1 stop
LHR7:50 amLondon Heathrow
$654

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 June 15, 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

Mon 6/29

12:15 pm-6:47 pm

1 stop11h 32m

New York LaGuardia

Sat 8/1

7:28 pm-10:40 am

1 stop10h 12m

$626

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Mon 7/6

10:45 am-8:00 pm

1 stop14h 15m

New York LaGuardia

Wed 7/22

3:00 pm-6:45 am

1 stop10h 45m

$636

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Fri 6/26

2:10 pm-8:59 pm

1 stop11h 49m

New York LaGuardia

Sat 6/27

7:28 pm-6:55 am

1 stop30h 27m

$642

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Mon 11/2

11:30 am-11:45 pm

2 stops17h 15m

New York LaGuardia

Tue 11/24

3:00 pm-6:50 am

1 stop10h 50m

$645

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Mon 10/5

6:20 am-8:55 pm

2 stops19h 35m

New York LaGuardia

Sat 10/10

9:10 pm-6:55 pm

1 stop16h 45m

$650

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Thu 9/10

10:05 am-8:59 pm

1 stop15h 54m

New York LaGuardia

Thu 10/1

5:28 pm-8:00 am

1 stop9h 32m

$653

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Sat 9/12

10:05 am-5:30 pm

1 stop12h 25m

New York LaGuardia

Sat 10/3

2:03 pm-7:50 am

1 stop12h 47m

$654

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Mon 9/14

5:35 pm-7:16 am

1 stop18h 41m

New York LaGuardia

Mon 10/5

5:45 pm-8:00 am

1 stop9h 15m

$655

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Sun 9/13

10:05 am-8:59 pm

1 stop15h 54m

New York LaGuardia

Sun 10/4

4:59 pm-9:25 am

1 stop11h 26m

$656
Quickest round-trip

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Fri 7/17

9:30 am-2:37 pm

1 stop10h 07m

New York LaGuardia

Tue 7/28

4:45 pm-8:35 am

1 stop10h 50m

$660

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 $465, 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 25% 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 37m

Direct flights

None
The fastest flight from London Heathrow Airport to New York LaGuardia Airport takes 10h 37m
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 37m.

  • 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
Queens
Seaside Heights
Bronx
Yonkers
East Rutherford
Asbury Park
Point Pleasant Beach
Mount Laurel
Long Branch
Stamford
Beach Haven
Woodbridge
Parsippany
Tannersville
Secaucus
Spring Lake
East Stroudsburg
Wayne
Elizabeth
Ocean Grove

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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