Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from New York LaGuardia Airport to London from $156

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 12/6. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from New York LaGuardia Airport to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
12:40 pm - 7:10 amLGA-LHR
13h 30m1 stop
Air Canada Logo
1:25 pm - 9:33 pmLHR-LGA
13h 08m1 stop
$500Air Canada
Find Deal
Thu, Jan 8 - Thu, Jan 15
Multiple Airlines Logo
3:30 pm - 8:30 amLGA-LHR
12h 00m1 stop
Multiple Airlines Logo
1:25 pm - 7:02 pmLHR-LGA
10h 37m1 stop
$501Multiple Airlines
Find Deal
Sat, Dec 6 - Fri, Jan 16
Delta Logo
4:00 pm - 6:50 amLGA-LHR
9h 50m1 stop
Delta Logo
9:40 am - 3:22 pmLHR-LGA
10h 42m1 stop
$503Delta
Find Deal
Wed, Feb 11 - Tue, Feb 24
Virgin Atlantic Logo
4:00 pm - 9:00 amLGA-LHR
12h 00m1 stop
Virgin Atlantic Logo
9:00 am - 8:04 pmLHR-LGA
16h 04m2 stops
$504Virgin Atlantic
Find Deal
Tue, Dec 2 - Mon, Dec 8
United Airlines Logo
6:00 am - 10:50 amLGA-LHR
23h 50m1 stop
United Airlines Logo
1:25 pm - 9:53 amLHR-LGA
25h 28m1 stop
$505United Airlines
Find Deal
Sat, Jan 10 - Fri, Jan 16
Multiple Airlines Logo
3:30 pm - 8:30 amLGA-LHR
12h 00m1 stop
Multiple Airlines Logo
1:25 pm - 7:02 pmLHR-LGA
10h 37m1 stop
$506Multiple Airlines
Find Deal
Thu, Dec 4 - Tue, Dec 9
Air Canada Logo
6:05 am - 8:30 amLGA-LHR
21h 25m1 stop
Air Canada Logo
6:50 am - 4:57 pmLHR-LGA
15h 07m2 stops
$507Air Canada
Find Deal
Tue, Dec 30 - Fri, Jan 16
Air Canada Logo
7:45 pm - 9:20 amLGA-LHR
32h 35m2 stops
Air Canada Logo
9:00 am - 10:33 pmLHR-LGA
18h 33m2 stops
$508Air Canada
Find Deal
Sat, Jan 10 - Sat, Jan 17
Air Canada Logo
3:20 pm - 7:10 amLGA-LHR
10h 50m1 stop
Air Canada Logo
6:50 am - 2:43 pmLHR-LGA
12h 53m2 stops
$509Air Canada
Find Deal
Fri, Jan 16 - Sat, Jan 24
Lufthansa Logo
3:30 pm - 8:30 amLGA-LHR
12h 00m1 stop
Lufthansa Logo
1:25 pm - 9:33 pmLHR-LGA
13h 08m1 stop
$510Lufthansa
Find Deal
Tue, Dec 2 - Wed, Dec 10

Delta flights from New York LaGuardia Airport to London Heathrow Airport

Our best Delta deals on New York LaGuardia Airport to London Heathrow Airport flight tickets
Delta
Feb 11
LGA4:00 pmNew York LaGuardia
9h 50m
1 stop
LHR6:50 amLondon Heathrow
Feb 24
LHR9:40 amLondon Heathrow
10h 42m
1 stop
LGA3:22 pmNew York LaGuardia
$503
Find similar
Delta
Dec 10
LGA1:59 pmNew York LaGuardia
11h 51m
1 stop
LHR6:50 amLondon Heathrow
Dec 15
LHR9:40 amLondon Heathrow
10h 50m
1 stop
LGA3:30 pmNew York LaGuardia
$525
Find similar
Delta
Nov 29
LGA3:00 pmNew York LaGuardia
10h 50m
1 stop
LHR6:50 amLondon Heathrow
Dec 5
LHR9:40 amLondon Heathrow
11h 50m
1 stop
LGA4:30 pmNew York LaGuardia
$526
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
Dec 9
LGA4:00 pmNew York LaGuardia
10h 00m
1 stop
LHR7:00 amLondon Heathrow
Dec 17
LHR11:40 amLondon Heathrow
13h 46m
1 stop
LGA8:26 pmNew York LaGuardia
$543
Find similar
American Airlines
Dec 3
LGA4:00 pmNew York LaGuardia
10h 00m
1 stop
LHR7:00 amLondon Heathrow
Dec 17
LHR11:40 amLondon Heathrow
13h 46m
1 stop
LGA8:26 pmNew York LaGuardia
$556
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 26, 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

Thu 1/8

12:40 pm-7:10 am

1 stop13h 30m

London Heathrow

Thu 1/15

1:25 pm-9:33 pm

1 stop13h 08m

$500

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 12/6

3:30 pm-8:30 am

1 stop12h 00m

London Heathrow

Fri 1/16

1:25 pm-7:02 pm

1 stop10h 37m

$501

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 2/11

4:00 pm-6:50 am

1 stop9h 50m

London Heathrow

Tue 2/24

9:40 am-3:22 pm

1 stop10h 42m

$503

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 12/2

4:00 pm-9:00 am

1 stop12h 00m

London Heathrow

Mon 12/8

9:00 am-8:04 pm

2 stops16h 04m

$504

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 1/10

6:00 am-10:50 am

1 stop23h 50m

London Heathrow

Fri 1/16

1:25 pm-9:53 am

1 stop25h 28m

$505

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 12/4

3:30 pm-8:30 am

1 stop12h 00m

London Heathrow

Tue 12/9

1:25 pm-7:02 pm

1 stop10h 37m

$506

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 12/30

6:05 am-8:30 am

1 stop21h 25m

London Heathrow

Fri 1/16

6:50 am-4:57 pm

2 stops15h 07m

$507

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 1/10

7:45 pm-9:20 am

2 stops32h 35m

London Heathrow

Sat 1/17

9:00 am-10:33 pm

2 stops18h 33m

$508

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 1/16

3:20 pm-7:10 am

1 stop10h 50m

London Heathrow

Sat 1/24

6:50 am-2:43 pm

2 stops12h 53m

$509

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

$510

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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 $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 $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 $651. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $693.

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 $697.

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 20m

Direct flights

None
The fastest flight from New York LaGuardia Airport to London Heathrow Airport takes 9h 20m
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
10,476 reviews
Search Air Canada flights
British AirwaysPriceFrom $514Free CancellationRating
6.7
7,539 reviews
Search British Airways flights
United AirlinesPriceFrom $516Free CancellationRating
7.4
9,046 reviews
Search United Airlines flights
American AirlinesPriceFrom $530Free CancellationRating
7.2
11,038 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
Romford
Watford
Ilford
Swindon
Cobham

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.

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 12/26
Fri 1/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to London Gatwick Airportfrom $345
Flights to London City Airportfrom $452
Flights to London Stansted Airportfrom $343
Flights to London Luton Airportfrom $341
Flights to London Southend Airportfrom $387
Flights to Glasgow Intl Airportfrom $392
Flights to Belfast Intl Airportfrom $513
Flights to Belfast City Airportfrom $513