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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 2/9. 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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Find the cheapest flights from London Heathrow Airport to New York

Cheap round-trip flights

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Air Canada Logo
1:45 pm - 7:02 pmLHR-LGA
34h 17m2 stops
Air Canada Logo
10:35 am - 7:10 amLGA-LHR
15h 35m1 stop
$528Air Canada
Find Deal
Sun, Feb 1 - Wed, Feb 11
Air Canada Logo
8:45 am - 6:59 pmLHR-LGA
15h 14m2 stops
Air Canada Logo
7:00 am - 9:00 pmLGA-LHR
33h 00m2 stops
$529Air Canada
Find Deal
Wed, Apr 29 - Sun, May 10
Air Canada Logo
6:50 am - 4:59 pmLHR-LGA
15h 09m2 stops
Air Canada Logo
10:35 am - 7:10 amLGA-LHR
15h 35m1 stop
$530Air Canada
Find Deal
Tue, Dec 2 - Mon, Dec 8
Multiple Airlines Logo
6:50 am - 4:59 pmLHR-LGA
15h 09m2 stops
Multiple Airlines Logo
12:45 pm - 7:10 amLGA-LHR
13h 25m2 stops
$551Multiple Airlines
Find Deal
Tue, Dec 2 - Tue, Dec 9
British Airways Logo
1:30 pm - 8:26 pmLHR-LGA
11h 56m1 stop
British Airways Logo
4:00 pm - 9:15 amLGA-LHR
12h 15m1 stop
$554British Airways
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Wed, Dec 3 - Wed, Dec 10
Finnair Logo
11:45 am - 7:47 pmLHR-LGA
13h 02m1 stop
Finnair Logo
7:00 pm - 12:00 pmLGA-LHR
12h 00m1 stop
$557Finnair
Find Deal
Tue, Dec 2 - Tue, Dec 9
British Airways Logo
7:30 am - 9:29 pmLHR-LGA
18h 59m2 stops
British Airways Logo
5:16 pm - 9:15 amLGA-LHR
10h 59m1 stop
$558British Airways
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Mon, Jan 12 - Mon, Jan 19
Finnair Logo
9:55 am - 5:59 pmLHR-LGA
13h 04m1 stop
Finnair Logo
8:45 am - 7:00 amLGA-LHR
17h 15m1 stop
$561Finnair
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Wed, Feb 4 - Mon, Feb 9
United Airlines Logo
1:25 pm - 7:02 pmLHR-LGA
10h 37m1 stop
United Airlines Logo
3:20 pm - 7:10 amLGA-LHR
10h 50m1 stop
$572United Airlines
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Wed, Dec 10 - Tue, Jan 13
United Airlines Logo
1:25 pm - 9:33 pmLHR-LGA
13h 08m1 stop
United Airlines Logo
3:20 pm - 7:10 amLGA-LHR
10h 50m1 stop
$574United Airlines
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Wed, Dec 3 - Thu, Dec 11

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
Feb 1
LHR1:45 pmLondon Heathrow
34h 17m
2 stops
LGA7:02 pmNew York LaGuardia
Feb 11
LGA10:35 amNew York LaGuardia
15h 35m
1 stop
LHR7:10 amLondon Heathrow
$528
Find similar
Air Canada
Apr 29
LHR8:45 amLondon Heathrow
15h 14m
2 stops
LGA6:59 pmNew York LaGuardia
May 10
LGA7:00 amNew York LaGuardia
33h 00m
2 stops
LHR9:00 pmLondon Heathrow
$529
Find similar
Air Canada
Dec 2
LHR6:50 amLondon Heathrow
15h 09m
2 stops
LGA4:59 pmNew York LaGuardia
Dec 8
LGA10:35 amNew York LaGuardia
15h 35m
1 stop
LHR7:10 amLondon Heathrow
$530
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
Dec 10
LHR1:25 pmLondon Heathrow
10h 37m
1 stop
LGA7:02 pmNew York LaGuardia
Jan 13
LGA3:20 pmNew York LaGuardia
10h 50m
1 stop
LHR7:10 amLondon Heathrow
$572
Find similar
United Airlines
Dec 3
LHR1:25 pmLondon Heathrow
13h 08m
1 stop
LGA9:33 pmNew York LaGuardia
Dec 11
LGA3:20 pmNew York LaGuardia
10h 50m
1 stop
LHR7:10 amLondon Heathrow
$574
Find similar
United Airlines
Jan 12
LHR1:25 pmLondon Heathrow
13h 07m
1 stop
LGA9:32 pmNew York LaGuardia
Jan 22
LGA7:29 pmNew York LaGuardia
10h 21m
1 stop
LHR10:50 amLondon Heathrow
$579
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 November 6, 2025.
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

Sun 2/1

1:45 pm-7:02 pm

2 stops34h 17m

New York LaGuardia

Wed 2/11

10:35 am-7:10 am

1 stop15h 35m

$528

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Wed 4/29

8:45 am-6:59 pm

2 stops15h 14m

New York LaGuardia

Sun 5/10

7:00 am-9:00 pm

2 stops33h 00m

$529

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Tue 12/2

6:50 am-4:59 pm

2 stops15h 09m

New York LaGuardia

Mon 12/8

10:35 am-7:10 am

1 stop15h 35m

$530

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Tue 12/2

6:50 am-4:59 pm

2 stops15h 09m

New York LaGuardia

Tue 12/9

12:45 pm-7:10 am

2 stops13h 25m

$551

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Wed 12/3

1:30 pm-8:26 pm

1 stop11h 56m

New York LaGuardia

Wed 12/10

4:00 pm-9:15 am

1 stop12h 15m

$554

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Tue 12/2

11:45 am-7:47 pm

1 stop13h 02m

New York LaGuardia

Tue 12/9

7:00 pm-12:00 pm

1 stop12h 00m

$557

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Mon 1/12

7:30 am-9:29 pm

2 stops18h 59m

New York LaGuardia

Mon 1/19

5:16 pm-9:15 am

1 stop10h 59m

$558

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Wed 2/4

9:55 am-5:59 pm

1 stop13h 04m

New York LaGuardia

Mon 2/9

8:45 am-7:00 am

1 stop17h 15m

$561

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Wed 12/10

1:25 pm-7:02 pm

1 stop10h 37m

New York LaGuardia

Tue 1/13

3:20 pm-7:10 am

1 stop10h 50m

$572

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Wed 12/3

1:25 pm-9:33 pm

1 stop13h 08m

New York LaGuardia

Thu 12/11

3:20 pm-7:10 am

1 stop10h 50m

$574

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $482, 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 February to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $510.

What is the cheapest day to depart on your flight to New York LaGuardia Airport?

The cheapest day to depart on your flight to New York LaGuardia Airport is on a Wednesday when prices can be found for as low as $552. This is often the case because there is less demand to fly during this day of the week. Flights from London Heathrow Airport to New York LaGuardia Airport on a Friday will generally be more expensive and average around $593. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to New York LaGuardia Airport?

Our data shows that the cheapest London Heathrow Airport to New York LaGuardia Airport flights are usually those with departure times in the afternoon. Our users have found flights to New York LaGuardia Airport in the afternoon for as low as $507. Flights in the morning are often more expensive with an average ticket price of $582.

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 $627 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 $536 on momondo.

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

Direct flights

None
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.
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  • 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
Seaside Heights
Queens
Bronx
Yonkers
Asbury Park
East Rutherford
Point Pleasant Beach
Pocono Manor
Beach Haven
Spring Lake
Tannersville
Long Branch
Stamford
Wayne
East Stroudsburg
Elizabeth
Secaucus
Parsippany
Ocean Grove
Staten Island

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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