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Cheap flights from New York LaGuardia Airport to London from $210

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 10/15. 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 New York LaGuardia Airport to London

Cheap round-trip flights

Lufthansa Logo
3:30 pm - 6:30 amLGA-LHR
10h 00m1 stop
Lufthansa Logo
2:05 pm - 7:37 pmLHR-LGA
10h 32m1 stop
$441Lufthansa
Find Deal
Wed, Oct 15 - Wed, Oct 22
Air Canada Logo
6:05 am - 7:10 amLGA-LHR
20h 05m1 stop
Air Canada Logo
6:50 am - 9:33 pmLHR-LGA
19h 43m2 stops
$473Air Canada
Find Deal
Fri, Nov 7 - Sun, Nov 9
Multiple Airlines Logo
3:20 pm - 8:35 pmLGA-LHR
24h 15m2 stops
Multiple Airlines Logo
6:50 am - 2:43 pmLHR-LGA
12h 53m2 stops
$476Multiple Airlines
Find Deal
Tue, Nov 4 - Sun, Nov 9
United Airlines Logo
5:45 pm - 9:35 amLGA-LHR
10h 50m1 stop
United Airlines Logo
4:40 pm - 11:43 pmLHR-LGA
12h 03m1 stop
$478United Airlines
Find Deal
Fri, Oct 17 - Mon, Oct 20
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
$481Air Canada
Find Deal
Mon, Nov 10 - Tue, Nov 18
Air Canada Logo
5:35 pm - 8:35 pmLGA-LHR
22h 00m2 stops
Air Canada Logo
6:50 am - 4:59 pmLHR-LGA
15h 09m2 stops
$482Air Canada
Find Deal
Mon, Nov 10 - Mon, Nov 17
Lufthansa Logo
3:30 pm - 6:30 amLGA-LHR
10h 00m1 stop
Lufthansa Logo
2:05 pm - 7:37 pmLHR-LGA
10h 32m1 stop
$484Lufthansa
Find Deal
Wed, Sep 24 - Tue, Sep 30
Air Canada Logo
3:20 pm - 7:10 amLGA-LHR
10h 50m1 stop
Air Canada Logo
1:25 pm - 7:02 pmLHR-LGA
10h 37m1 stop
$485Air Canada
Find Deal
Wed, Dec 10 - Tue, Feb 10
United Airlines Logo
2:15 pm - 5:55 amLGA-LHR
11h 40m1 stop
United Airlines Logo
1:25 pm - 7:03 pmLHR-LGA
10h 38m1 stop
$486United Airlines
Find Deal
Mon, Oct 27 - Wed, Nov 5
Multiple Airlines Logo
7:05 am - 9:35 amLGA-LHR
21h 30m1 stop
Multiple Airlines Logo
3:50 pm - 10:34 pmLHR-LGA
11h 44m1 stop
$502Multiple Airlines
Find Deal
Sun, Sep 28 - Thu, Oct 2

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
Oct 15
LGA3:30 pmNew York LaGuardia
10h 00m
1 stop
LHR6:30 amLondon Heathrow
Oct 22
LHR2:05 pmLondon Heathrow
10h 32m
1 stop
LGA7:37 pmNew York LaGuardia
$441
Find similar
Lufthansa
Sep 24
LGA3:30 pmNew York LaGuardia
10h 00m
1 stop
LHR6:30 amLondon Heathrow
Sep 30
LHR2:05 pmLondon Heathrow
10h 32m
1 stop
LGA7:37 pmNew York LaGuardia
$484
Find similar
Lufthansa
Oct 15
LGA3:30 pmNew York LaGuardia
10h 00m
1 stop
LHR6:30 amLondon Heathrow
Oct 22
LHR2:05 pmLondon Heathrow
10h 32m
1 stop
LGA7:37 pmNew York LaGuardia
$495
Find similar

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

Our best United Airlines deals on New York LaGuardia Airport to London Heathrow Airport flight tickets
United Airlines
Oct 17
LGA5:45 pmNew York LaGuardia
10h 50m
1 stop
LHR9:35 amLondon Heathrow
Oct 20
LHR4:40 pmLondon Heathrow
12h 03m
1 stop
LGA11:43 pmNew York LaGuardia
$478
Find similar
United Airlines
Oct 27
LGA2:15 pmNew York LaGuardia
11h 40m
1 stop
LHR5:55 amLondon Heathrow
Nov 5
LHR1:25 pmLondon Heathrow
10h 38m
1 stop
LGA7:03 pmNew York LaGuardia
$486
Find similar
United Airlines
Sep 21
LGA6:25 amNew York LaGuardia
18h 55m
1 stop
LHR6:20 amLondon Heathrow
Oct 4
LHR9:30 amLondon Heathrow
14h 00m
1 stop
LGA6:30 pmNew York LaGuardia
$489
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 September 17, 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 10/15

3:30 pm-6:30 am

1 stop10h 00m

London Heathrow

Wed 10/22

2:05 pm-7:37 pm

1 stop10h 32m

$441

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 11/7

6:05 am-7:10 am

1 stop20h 05m

London Heathrow

Sun 11/9

6:50 am-9:33 pm

2 stops19h 43m

$473

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 11/4

3:20 pm-8:35 pm

2 stops24h 15m

London Heathrow

Sun 11/9

6:50 am-2:43 pm

2 stops12h 53m

$476

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 10/17

5:45 pm-9:35 am

1 stop10h 50m

London Heathrow

Mon 10/20

4:40 pm-11:43 pm

1 stop12h 03m

$478

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 11/10

3:20 pm-7:10 am

1 stop10h 50m

London Heathrow

Tue 11/18

1:25 pm-7:03 pm

1 stop10h 38m

$481

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 11/10

5:35 pm-8:35 pm

2 stops22h 00m

London Heathrow

Mon 11/17

6:50 am-4:59 pm

2 stops15h 09m

$482

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 9/24

3:30 pm-6:30 am

1 stop10h 00m

London Heathrow

Tue 9/30

2:05 pm-7:37 pm

1 stop10h 32m

$484

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 12/10

3:20 pm-7:10 am

1 stop10h 50m

London Heathrow

Tue 2/10

1:25 pm-7:02 pm

1 stop10h 37m

$485

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 10/27

2:15 pm-5:55 am

1 stop11h 40m

London Heathrow

Wed 11/5

1:25 pm-7:03 pm

1 stop10h 38m

$486

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 9/28

7:05 am-9:35 am

1 stop21h 30m

London Heathrow

Thu 10/2

3:50 pm-10:34 pm

1 stop11h 44m

$502

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 October is, on average, the cheapest month to fly to London Heathrow Airport from New York LaGuardia Airport, with most prices found around $419. If you’re not able to fly to London Heathrow Airport in October, then February is your next best option. Flight prices from New York LaGuardia Airport to London Heathrow Airport during February average around $454.

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 $632. The most expensive day to fly to London Heathrow Airport is Sunday, with ticket prices averaging around $676.

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 $582. 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 $691.

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 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 $357Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
DeltaPriceFrom $406Free CancellationRating
7.9
7,961 reviews
Search Delta flights
United AirlinesPriceFrom $457Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
British AirwaysPriceFrom $514Free CancellationRating
6.7
7,367 reviews
Search British Airways flights
American AirlinesPriceFrom $530Free CancellationRating
7.2
10,000 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
Dover
Luton
Slough
Milton Keynes
Hayes
Guildford
Dartford
Crawley
Stansted
Chelmsford
Salisbury
Brentwood
Ilford
Folkestone
Colchester
Swindon
Stratford-upon-Avon
Watford

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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