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Cheap flights from New York LaGuardia Airport to London from $146

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 12/3. 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.
Multiple Airlines Logo
12:45 pm - 11:20 amLGA-LHR
17h 35m1 stop
Multiple Airlines Logo
9:00 am - 9:33 pmLHR-LGA
17h 33m2 stops
$482Multiple Airlines
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Wed, Nov 19 - Tue, Nov 25
Air Canada Logo
3:20 pm - 7:10 amLGA-LHR
10h 50m1 stop
Air Canada Logo
1:25 pm - 7:03 pmLHR-LGA
10h 38m1 stop
$483Air Canada
Find Deal
Mon, Nov 17 - Mon, Nov 24
Air Canada Logo
3:20 pm - 7:10 amLGA-LHR
10h 50m1 stop
Air Canada Logo
1:25 pm - 9:33 pmLHR-LGA
13h 08m1 stop
$484Air Canada
Find Deal
Mon, Nov 17 - Wed, Nov 26
Air Canada Logo
3:20 pm - 7:10 amLGA-LHR
10h 50m1 stop
Air Canada Logo
1:25 pm - 7:03 pmLHR-LGA
10h 38m1 stop
$485Air Canada
Find Deal
Mon, Nov 17 - Wed, Nov 26
United Airlines Logo
7:29 pm - 6:40 amLGA-LHR
30h 11m1 stop
United Airlines Logo
1:25 pm - 12:23 pmLHR-LGA
27h 58m1 stop
$498United Airlines
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Sat, Dec 6 - Sun, Dec 14
United Airlines Logo
3:20 pm - 7:10 amLGA-LHR
10h 50m1 stop
United Airlines Logo
1:25 pm - 2:14 pmLHR-LGA
29h 49m2 stops
$499United Airlines
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Wed, Nov 19 - Sun, Nov 23
Lufthansa Logo
3:30 pm - 8:30 amLGA-LHR
12h 00m1 stop
Lufthansa Logo
1:25 pm - 9:33 pmLHR-LGA
13h 08m1 stop
$523Lufthansa
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Tue, Dec 2 - Wed, Dec 10
Lufthansa Logo
5:35 pm - 7:10 amLGA-LHR
32h 35m1 stop
Lufthansa Logo
1:25 pm - 9:32 pmLHR-LGA
13h 07m1 stop
$524Lufthansa
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Mon, Jan 26 - Thu, Feb 5
Delta Logo
5:00 pm - 7:50 amLGA-LHR
9h 50m1 stop
Delta Logo
9:40 am - 6:32 pmLHR-LGA
13h 52m1 stop
$526Delta
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Fri, Dec 12 - Thu, Dec 18
Virgin Atlantic Logo
4:00 pm - 7:50 amLGA-LHR
10h 50m1 stop
Virgin Atlantic Logo
8:55 am - 8:28 pmLHR-LGA
16h 33m2 stops
$527Virgin Atlantic
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Tue, Feb 24 - Mon, Mar 2

Air Canada flights from New York LaGuardia Airport to London Heathrow Airport

Our best Air Canada deals on New York LaGuardia Airport to London Heathrow Airport flight tickets
Air Canada
Nov 12
LGA10:35 amNew York LaGuardia
15h 35m
1 stop
LHR7:10 amLondon Heathrow
Dec 7
LHR1:25 pmLondon Heathrow
10h 37m
1 stop
LGA7:02 pmNew York LaGuardia
$483
Find similar
Air Canada
Nov 17
LGA3:20 pmNew York LaGuardia
10h 50m
1 stop
LHR7:10 amLondon Heathrow
Nov 26
LHR1:25 pmLondon Heathrow
13h 08m
1 stop
LGA9:33 pmNew York LaGuardia
$484
Find similar
Air Canada
Nov 17
LGA3:20 pmNew York LaGuardia
10h 50m
1 stop
LHR7:10 amLondon Heathrow
Nov 26
LHR1:25 pmLondon Heathrow
10h 38m
1 stop
LGA7:03 pmNew York LaGuardia
$485
Find similar

American Airlines flights from New York LaGuardia Airport to London Heathrow Airport

Our best American Airlines deals on New York LaGuardia Airport to London Heathrow Airport flight tickets
American Airlines
Nov 14
LGA3:50 pmNew York LaGuardia
10h 10m
1 stop
LHR7:00 amLondon Heathrow
Nov 19
LHR1:30 pmLondon Heathrow
11h 54m
1 stop
LGA8:24 pmNew York LaGuardia
$556
Find similar
American Airlines
Nov 14
LGA3:50 pmNew York LaGuardia
10h 10m
1 stop
LHR7:00 amLondon Heathrow
Nov 16
LHR1:30 pmLondon Heathrow
11h 54m
1 stop
LGA8:24 pmNew York LaGuardia
$557
Find similar

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 November 6, 2025.
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 11/19

12:45 pm-11:20 am

1 stop17h 35m

London Heathrow

Tue 11/25

9:00 am-9:33 pm

2 stops17h 33m

$482

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 11/17

3:20 pm-7:10 am

1 stop10h 50m

London Heathrow

Mon 11/24

1:25 pm-7:03 pm

1 stop10h 38m

$483

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 11/17

3:20 pm-7:10 am

1 stop10h 50m

London Heathrow

Wed 11/26

1:25 pm-9:33 pm

1 stop13h 08m

$484

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 11/17

3:20 pm-7:10 am

1 stop10h 50m

London Heathrow

Wed 11/26

1:25 pm-7:03 pm

1 stop10h 38m

$485

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 12/6

7:29 pm-6:40 am

1 stop30h 11m

London Heathrow

Sun 12/14

1:25 pm-12:23 pm

1 stop27h 58m

$498

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 11/19

3:20 pm-7:10 am

1 stop10h 50m

London Heathrow

Sun 11/23

1:25 pm-2:14 pm

2 stops29h 49m

$499

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 12/2

3:30 pm-8:30 am

1 stop12h 00m

London Heathrow

Wed 12/10

1:25 pm-9:33 pm

1 stop13h 08m

$523

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 1/26

5:35 pm-7:10 am

1 stop32h 35m

London Heathrow

Thu 2/5

1:25 pm-9:32 pm

1 stop13h 07m

$524

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 12/12

5:00 pm-7:50 am

1 stop9h 50m

London Heathrow

Thu 12/18

9:40 am-6:32 pm

1 stop13h 52m

$526

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 2/24

4:00 pm-7:50 am

1 stop10h 50m

London Heathrow

Mon 3/2

8:55 am-8:28 pm

2 stops16h 33m

$527

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 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 typical price of a round-trip flight between New York LaGuardia Airport and London Heathrow Airport?

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 $454. 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 $480.

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 $643. The most expensive day to fly to London Heathrow Airport is Sunday, with ticket prices averaging around $683.

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 at noon. momondo users have found flights departing from New York LaGuardia Airport to London Heathrow Airport at noon for as low as $586. 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 afternoon are often more expensive with an average ticket price of $693.

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

Direct flights

None
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.
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  • 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 50m.

  • 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
DeltaPriceFrom $406Free CancellationRating
7.9
8,004 reviews
Search Delta flights
Air CanadaPriceFrom $454Free CancellationRating
7.1
10,410 reviews
Search Air Canada flights
United AirlinesPriceFrom $457Free CancellationRating
7.4
9,003 reviews
Search United Airlines flights
British AirwaysPriceFrom $514Free CancellationRating
6.7
7,496 reviews
Search British Airways flights
American AirlinesPriceFrom $530Free CancellationRating
7.2
11,041 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
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Stratford-upon-Avon
Crawley
Brentwood
Chelmsford
Salisbury
Wembley
Folkestone
Romford
Ilford
Cobham
Swindon

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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