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Cheap flights from New York LaGuardia Airport to London from $188

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New York LaGuardia Airport to London departing on 2/20. 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 New York LaGuardia Airport to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
3:29 pm - 9:15 am
LGA
-
LHR
12h 46m
1 stop
British Airways Logo
8:50 am - 9:22 pm
LHR
-
LGA
17h 32m
2 stops
$467British Airways
Wed, Feb 18 - Wed, Feb 25
British Airways Logo
12:49 pm - 6:55 am
LGA
-
LHR
13h 06m
1 stop
British Airways Logo
9:50 am - 9:15 pm
LHR
-
LGA
16h 25m
2 stops
$471British Airways
Mon, Mar 30 - Wed, Apr 8
British Airways Logo
1:13 pm - 8:05 am
LGA
-
LHR
13h 52m
2 stops
British Airways Logo
7:50 am - 9:29 pm
LHR
-
LGA
18h 39m
2 stops
$476British Airways
Tue, Feb 3 - Tue, Feb 10
Lufthansa Logo
3:30 pm - 8:30 am
LGA
-
LHR
12h 00m
1 stop
Lufthansa Logo
1:25 pm - 9:33 pm
LHR
-
LGA
13h 08m
1 stop
$477Lufthansa
Thu, Feb 12 - Thu, Feb 19
Air Canada Logo
3:20 pm - 7:10 am
LGA
-
LHR
10h 50m
1 stop
Air Canada Logo
1:25 pm - 9:33 pm
LHR
-
LGA
13h 08m
1 stop
$478Air Canada
Sun, Feb 1 - Tue, Feb 10
British Airways Logo
4:05 pm - 7:00 am
LGA
-
LHR
9h 55m
1 stop
British Airways Logo
8:45 pm - 9:22 pm
LHR
-
LGA
29h 37m
2 stops
$479British Airways
Mon, Feb 16 - Mon, Feb 23
Air Canada Logo
10:35 am - 7:10 am
LGA
-
LHR
15h 35m
1 stop
Air Canada Logo
1:25 pm - 9:33 pm
LHR
-
LGA
12h 08m
1 stop
$480Air Canada
Sun, Feb 15 - Wed, Mar 25
British Airways Logo
3:29 pm - 7:20 am
LGA
-
LHR
11h 51m
1 stop
British Airways Logo
8:50 am - 9:15 pm
LHR
-
LGA
17h 25m
2 stops
$481British Airways
Tue, Mar 24 - Wed, Apr 8
Multiple Airlines Logo
3:30 pm - 11:20 am
LGA
-
LHR
14h 50m
1 stop
Multiple Airlines Logo
6:50 am - 2:40 pm
LHR
-
LGA
12h 50m
2 stops
$482Multiple Airlines
Sun, Feb 1 - Tue, Feb 17
Air Canada Logo
10:35 am - 7:10 am
LGA
-
LHR
15h 35m
1 stop
Air Canada Logo
9:00 am - 7:02 pm
LHR
-
LGA
15h 02m
2 stops
$483Air Canada
Wed, Feb 18 - Wed, Feb 25

Lufthansa flights from New York LaGuardia Airport to London Heathrow Airport

Our best Lufthansa deals on New York LaGuardia Airport to London Heathrow Airport flight tickets
Lufthansa
Feb 12
LGA3:30 pmNew York LaGuardia
12h 00m
1 stop
LHR8:30 amLondon Heathrow
Feb 18
LHR1:25 pmLondon Heathrow
13h 08m
1 stop
LGA9:33 pmNew York LaGuardia
$479
Lufthansa
Feb 12
LGA3:30 pmNew York LaGuardia
12h 00m
1 stop
LHR8:30 amLondon Heathrow
Feb 16
LHR1:25 pmLondon Heathrow
13h 08m
1 stop
LGA9:33 pmNew York LaGuardia
$493
Lufthansa
Feb 12
LGA3:30 pmNew York LaGuardia
12h 00m
1 stop
LHR8:30 amLondon Heathrow
Feb 16
LHR1:25 pmLondon Heathrow
13h 08m
1 stop
LGA9:33 pmNew York LaGuardia
$494

British Airways flights from New York LaGuardia Airport to London Heathrow Airport

Our best British Airways deals on New York LaGuardia Airport to London Heathrow Airport flight tickets
British Airways
Feb 18
LGA3:29 pmNew York LaGuardia
12h 46m
1 stop
LHR9:15 amLondon Heathrow
Feb 25
LHR8:50 amLondon Heathrow
17h 32m
2 stops
LGA9:22 pmNew York LaGuardia
$467
British Airways
Feb 17
LGA4:05 pmNew York LaGuardia
9h 55m
1 stop
LHR7:00 amLondon Heathrow
Feb 23
LHR5:45 pmLondon Heathrow
32h 37m
2 stops
LGA9:22 pmNew York LaGuardia
$472
British Airways
Feb 3
LGA1:13 pmNew York LaGuardia
13h 52m
2 stops
LHR8:05 amLondon Heathrow
Feb 10
LHR7:50 amLondon Heathrow
18h 39m
2 stops
LGA9:29 pmNew York LaGuardia
$476

momondo Fare Finder

 
Customize your flight search to find flights from New York LaGuardia Airport to London Heathrow 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 January 21, 2026.
Use the filters below to find and compare flights from New York LaGuardia Airport to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 2/18

3:29 pm-9:15 am

1 stop12h 46m

London Heathrow

Wed 2/25

8:50 am-9:22 pm

2 stops17h 32m

$467

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 3/30

12:49 pm-6:55 am

1 stop13h 06m

London Heathrow

Wed 4/8

9:50 am-9:15 pm

2 stops16h 25m

$471

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 2/3

1:13 pm-8:05 am

2 stops13h 52m

London Heathrow

Tue 2/10

7:50 am-9:29 pm

2 stops18h 39m

$476

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 2/12

3:30 pm-8:30 am

1 stop12h 00m

London Heathrow

Thu 2/19

1:25 pm-9:33 pm

1 stop13h 08m

$477

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 2/1

3:20 pm-7:10 am

1 stop10h 50m

London Heathrow

Tue 2/10

1:25 pm-9:33 pm

1 stop13h 08m

$478

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 2/16

4:05 pm-7:00 am

1 stop9h 55m

London Heathrow

Mon 2/23

8:45 pm-9:22 pm

2 stops29h 37m

$479

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 2/15

10:35 am-7:10 am

1 stop15h 35m

London Heathrow

Wed 3/25

1:25 pm-9:33 pm

1 stop12h 08m

$480

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 3/24

3:29 pm-7:20 am

1 stop11h 51m

London Heathrow

Wed 4/8

8:50 am-9:15 pm

2 stops17h 25m

$481

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 2/1

3:30 pm-11:20 am

1 stop14h 50m

London Heathrow

Tue 2/17

6:50 am-2:40 pm

2 stops12h 50m

$482

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 2/18

10:35 am-7:10 am

1 stop15h 35m

London Heathrow

Wed 2/25

9:00 am-7:02 pm

2 stops15h 02m

$483

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

See travel insights to London from

How to get the cheapest flight ticket from New York LaGuardia Airport to London Heathrow 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 London Heathrow Airport?

The month of February is, on average, the cheapest month to fly to London Heathrow Airport from New York LaGuardia Airport, with most prices found around $475. If you’re not able to fly to London Heathrow Airport in February, then March is your next best option. Flight prices from New York LaGuardia Airport to London Heathrow Airport during March average around $481.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $646. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $701.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from New York LaGuardia Airport to London Heathrow Airport in the morning for as low as $620. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $688.

When to book flights from New York LaGuardia Airport to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from New York LaGuardia Airport to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap New York LaGuardia Airport to London Heathrow Airport (LGA to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New York LaGuardia Airport to London Heathrow Airport

Fastest flight time

9h 30m

Direct flights

None
The fastest flight from New York LaGuardia Airport to London Heathrow Airport takes 9h 30m
There are no direct flights from New York LaGuardia Airport to London Heathrow Airport. There are no popular flight routes from New York LaGuardia Airport to London Heathrow Airport.
Search flight deals

  • How far is New York LaGuardia to London Heathrow by plane?

    A flight from New York LaGuardia to London Heathrow will travel around 3438.0 mi. A reasonable flight in good conditions will take 9h 30m.

  • When did momondo last update prices for flights from New York LaGuardia Airport to London Heathrow Airport?

    Prices for flights from New York LaGuardia Airport to London Heathrow Airport are updated daily.

  • How many operators does momondo search for flights from New York LaGuardia Airport to London Heathrow Airport?

  • How old do you have to be to fly from New York LaGuardia Airport to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from New York LaGuardia Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The required travel and health documents for your London Heathrow 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 London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from New York LaGuardia Airport to London Heathrow Airport?

Best airlines flying from New York LaGuardia Airport to London Heathrow Airport

Compare and see reviews for airlines that fly from New York LaGuardia Airport to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $454Free CancellationRating
7.1
10,644 reviews
Search Air Canada flights
British AirwaysPriceFrom $514Free CancellationRating
6.7
7,690 reviews
Search British Airways flights
United AirlinesPriceFrom $516Free CancellationRating
7.4
9,190 reviews
Search United Airlines flights
American AirlinesPriceFrom $530Free CancellationRating
7.2
11,172 reviews
Search American Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Luton
Milton Keynes
Dover
Slough
Guildford
Wembley
Crawley
Dartford
Hayes
Stratford-upon-Avon
Brentwood
Watford
Cobham
Folkestone
Romford
Stansted
Harrow
Croydon

Why use momondo?

Why should I use momondo to find a flight deal from New York to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from New York to London for you.

Can I find flights from New York to London with flexible booking policies on momondo?

Yes. All flights to London from New York on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from New York to London?

momondo helps you find the best flight between New York and London 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 New York to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for New York to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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