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Cheap flights from London Heathrow Airport to New York from $478

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 12/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
Air Canada Logo
1:00 pm - 9:31 pmLHR  London Heathrow-LGA New York LaGuardia
12h 31m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
6:55 pm - 11:20 amLGA  New York LaGuardia-LHR London Heathrow
11h 25m1 stop Toronto Pearson Intl
$575Air Canada
Wed, Oct 28 - Sun, Nov 1
Air Canada Logo
2:05 pm - 7:36 pmLHR  London Heathrow-LGA New York LaGuardia
10h 31m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
2:30 pm - 6:35 amLGA  New York LaGuardia-LHR London Heathrow
11h 05m1 stop Toronto Pearson Intl
$576Air Canada
Thu, Sep 17 - Thu, Sep 24
Lufthansa Logo
2:05 pm - 7:36 pmLHR  London Heathrow-LGA New York LaGuardia
10h 31m1 stop Montreal Pierre Elliott Trudeau Intl
Lufthansa Logo
2:30 pm - 6:35 amLGA  New York LaGuardia-LHR London Heathrow
11h 05m1 stop Toronto Pearson Intl
$577Lufthansa
Thu, Oct 1 - Tue, Oct 6
Lufthansa Logo
2:05 pm - 7:36 pmLHR  London Heathrow-LGA New York LaGuardia
10h 31m1 stop Montreal Pierre Elliott Trudeau Intl
Lufthansa Logo
2:30 pm - 6:35 amLGA  New York LaGuardia-LHR London Heathrow
11h 05m1 stop Toronto Pearson Intl
$578Lufthansa
Thu, Sep 10 - Thu, Sep 17
Lufthansa Logo
2:05 pm - 7:40 pmLHR  London Heathrow-LGA New York LaGuardia
10h 35m1 stop Montreal Pierre Elliott Trudeau Intl
Lufthansa Logo
4:45 pm - 9:35 amLGA  New York LaGuardia-LHR London Heathrow
11h 50m1 stop Toronto Pearson Intl
$579Lufthansa
Thu, Sep 3 - Sun, Sep 13
Air Canada Logo
6:00 am - 7:06 pmLHR  London Heathrow-LGA New York LaGuardia
18h 06m2 stops Zurich Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
12:45 pm - 4:20 pmLGA  New York LaGuardia-LHR London Heathrow
22h 35m2 stops Toronto Pearson Intl Zurich
$580Air Canada
Wed, Nov 25 - Fri, Nov 27
Multiple Airlines Logo
9:30 am - 2:36 pmLHR  London Heathrow-LGA New York LaGuardia
10h 06m1 stop Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
3:30 pm - 10:00 amLGA  New York LaGuardia-LHR London Heathrow
13h 30m1 stop Montreal Pierre Elliott Trudeau Intl
$581Multiple Airlines
Fri, Oct 16 - Tue, Oct 20
Air Canada Logo
8:40 am - 7:36 pmLHR  London Heathrow-LGA New York LaGuardia
15h 56m2 stops Zurich Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
12:55 pm - 6:30 amLGA  New York LaGuardia-LHR London Heathrow
12h 35m2 stops Toronto Island Ottawa
$582Air Canada
Mon, Sep 14 - Mon, Dec 14
Air Canada Logo
2:05 pm - 7:36 pmLHR  London Heathrow-LGA New York LaGuardia
10h 31m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
10:35 am - 6:30 amLGA  New York LaGuardia-LHR London Heathrow
14h 55m1 stop Montreal Pierre Elliott Trudeau Intl
$583Air Canada
Sat, Sep 19 - Sun, Sep 27
Air Canada Logo
6:00 am - 4:51 pmLHR  London Heathrow-LGA New York LaGuardia
15h 51m2 stops Vienna Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
1:10 pm - 7:10 amLGA  New York LaGuardia-LHR London Heathrow
13h 00m1 stop Montreal Pierre Elliott Trudeau Intl
$584Air Canada
Mon, Nov 23 - Sun, Nov 29

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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
Oct 28
LHR1:00 pmLondon Heathrow
12h 31m
1 stop
LGA9:31 pmNew York LaGuardia
Nov 1
LGA6:55 pmNew York LaGuardia
11h 25m
1 stop
LHR11:20 amLondon Heathrow
$575
Air Canada
Sep 17
LHR2:05 pmLondon Heathrow
10h 31m
1 stop
LGA7:36 pmNew York LaGuardia
Sep 24
LGA2:30 pmNew York LaGuardia
11h 05m
1 stop
LHR6:35 amLondon Heathrow
$576
Air Canada
Nov 25
LHR6:00 amLondon Heathrow
18h 06m
2 stops
LGA7:06 pmNew York LaGuardia
Nov 27
LGA12:45 pmNew York LaGuardia
22h 35m
2 stops
LHR4:20 pmLondon Heathrow
$580

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
Sep 12
LHR7:30 amLondon Heathrow
16h 15m
2 stops
LGA6:45 pmNew York LaGuardia
Sep 13
LGA6:30 amNew York LaGuardia
22h 30m
1 stop
LHR10:00 amLondon Heathrow
$585
United Airlines
Oct 29
LHR7:30 amLondon Heathrow
18h 29m
2 stops
LGA9:59 pmNew York LaGuardia
Nov 2
LGA6:17 pmNew York LaGuardia
12h 43m
1 stop
LHR12:00 pmLondon Heathrow
$586
United Airlines
Sep 12
LHR7:30 amLondon Heathrow
16h 15m
2 stops
LGA6:45 pmNew York LaGuardia
Sep 19
LGA1:25 pmNew York LaGuardia
14h 05m
1 stop
LHR8:30 amLondon Heathrow
$587

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 August 14, 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 London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Wed 10/28

1:00 pm-9:31 pm

1 stop12h 31m

New York LaGuardia

Sun 11/1

6:55 pm-11:20 am

1 stop11h 25m

$575
Quickest round-trip

LondonNew York

LHR London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Thu 9/17

2:05 pm-7:36 pm

1 stop10h 31m

New York LaGuardia

Thu 9/24

2:30 pm-6:35 am

1 stop11h 05m

$576

LondonNew York

LHR London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Thu 10/1

2:05 pm-7:36 pm

1 stop10h 31m

New York LaGuardia

Tue 10/6

2:30 pm-6:35 am

1 stop11h 05m

$577

LondonNew York

LHR London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Thu 9/10

2:05 pm-7:36 pm

1 stop10h 31m

New York LaGuardia

Thu 9/17

2:30 pm-6:35 am

1 stop11h 05m

$578

LondonNew York

LHR London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Thu 9/3

2:05 pm-7:40 pm

1 stop10h 35m

New York LaGuardia

Sun 9/13

4:45 pm-9:35 am

1 stop11h 50m

$579

LondonNew York

LHR London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Wed 11/25

6:00 am-7:06 pm

2 stops18h 06m

New York LaGuardia

Fri 11/27

12:45 pm-4:20 pm

2 stops22h 35m

$580

LondonNew York

LHR London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Fri 10/16

9:30 am-2:36 pm

1 stop10h 06m

New York LaGuardia

Tue 10/20

3:30 pm-10:00 am

1 stop13h 30m

$581

LondonNew York

LHR London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Mon 9/14

8:40 am-7:36 pm

2 stops15h 56m

New York LaGuardia

Mon 12/14

12:55 pm-6:30 am

2 stops12h 35m

$582

LondonNew York

LHR London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Sat 9/19

2:05 pm-7:36 pm

1 stop10h 31m

New York LaGuardia

Sun 9/27

10:35 am-6:30 am

1 stop14h 55m

$583

LondonNew York

LHR London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Mon 11/23

6:00 am-4:51 pm

2 stops15h 51m

New York LaGuardia

Sun 11/29

1:10 pm-7:10 am

1 stop13h 00m

$584

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 $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 $524.

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

You could potentially save up to 6% 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
Queens
Seaside Heights
Bronx
Yonkers
East Rutherford
Mount Laurel
Secaucus
Stamford
Wayne
Woodbridge
Parsippany
Point Pleasant Beach
Asbury Park
Long Branch
East Stroudsburg
Tannersville
Elizabeth
Staten Island
Hauppauge
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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