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Cheap flights from New York LaGuardia Airport to London from $287

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 10/21. 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
4:50 pm - 10:15 am
LGA
-
LHR
12h 25m
1 stop
British Airways Logo
5:05 pm - 8:55 pm
LHR
-
LGA
32h 50m
1 stop
$665British Airways
Thu, Oct 1 - Tue, Oct 6
Air Canada Logo
3:30 pm - 6:30 am
LGA
-
LHR
10h 00m
1 stop
Air Canada Logo
2:05 pm - 7:36 pm
LHR
-
LGA
10h 31m
1 stop
$709Air Canada
Tue, Sep 1 - Tue, Sep 8
British Airways Logo
8:13 am - 9:40 am
LGA
-
LHR
20h 27m
1 stop
British Airways Logo
5:05 pm - 8:55 pm
LHR
-
LGA
32h 50m
1 stop
$720British Airways
Mon, Sep 7 - Mon, Sep 14
British Airways Logo
3:30 pm - 9:35 am
LGA
-
LHR
13h 05m
1 stop
British Airways Logo
5:05 pm - 8:55 pm
LHR
-
LGA
32h 50m
1 stop
$721British Airways
Tue, Sep 1 - Tue, Sep 15
Air Canada Logo
5:40 pm - 10:00 am
LGA
-
LHR
11h 20m
1 stop
Air Canada Logo
2:05 pm - 7:36 pm
LHR
-
LGA
10h 31m
1 stop
$724Air Canada
Wed, Aug 5 - Sun, Sep 13
Air Canada Logo
3:30 pm - 6:30 am
LGA
-
LHR
10h 00m
1 stop
Air Canada Logo
2:05 pm - 7:37 pm
LHR
-
LGA
10h 32m
1 stop
$725Air Canada
Sat, Aug 22 - Mon, Aug 31
British Airways Logo
9:25 pm - 10:15 am
LGA
-
LHR
31h 50m
1 stop
British Airways Logo
8:10 pm - 7:17 am
LHR
-
LGA
16h 07m
1 stop
$727British Airways
Wed, Sep 16 - Sun, Sep 20
Air Canada Logo
3:30 pm - 6:30 am
LGA
-
LHR
10h 00m
1 stop
Air Canada Logo
9:30 am - 2:37 pm
LHR
-
LGA
10h 07m
1 stop
$728Air Canada
Wed, May 13 - Tue, May 19
Air Canada Logo
4:45 pm - 8:35 am
LGA
-
LHR
10h 50m
1 stop
Air Canada Logo
2:05 pm - 7:37 pm
LHR
-
LGA
10h 32m
1 stop
$730Air Canada
Thu, Aug 27 - Wed, Sep 2
Air Canada Logo
4:00 pm - 6:35 am
LGA
-
LHR
9h 35m
1 stop
Air Canada Logo
1:00 pm - 7:42 pm
LHR
-
LGA
10h 42m
1 stop
$733Air Canada
Tue, Oct 20 - Tue, Oct 27

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
May 9
LGA5:40 pmNew York LaGuardia
11h 20m
1 stop
LHR10:00 amLondon Heathrow
May 12
LHR9:30 amLondon Heathrow
10h 07m
1 stop
LGA2:37 pmNew York LaGuardia
$715
Air Canada
May 11
LGA5:40 pmNew York LaGuardia
11h 20m
1 stop
LHR10:00 amLondon Heathrow
May 14
LHR8:30 amLondon Heathrow
11h 29m
1 stop
LGA2:59 pmNew York LaGuardia
$723
Air Canada
May 13
LGA3:30 pmNew York LaGuardia
10h 00m
1 stop
LHR6:30 amLondon Heathrow
May 19
LHR9:30 amLondon Heathrow
10h 07m
1 stop
LGA2:37 pmNew York LaGuardia
$728

Virgin Atlantic flights from New York LaGuardia Airport to London Heathrow Airport

Our best Virgin Atlantic deals on New York LaGuardia Airport to London Heathrow Airport flight tickets
Virgin Atlantic
May 7
LGA1:59 pmNew York LaGuardia
12h 16m
1 stop
LHR7:15 amLondon Heathrow
May 14
LHR9:40 amLondon Heathrow
11h 35m
1 stop
LGA4:15 pmNew York LaGuardia
$758
Virgin Atlantic
May 6
LGA4:00 pmNew York LaGuardia
9h 45m
1 stop
LHR6:45 amLondon Heathrow
May 9
LHR11:30 amLondon Heathrow
16h 55m
2 stops
LGA11:25 pmNew York LaGuardia
$770
Virgin Atlantic
May 4
LGA8:00 pmNew York LaGuardia
9h 40m
1 stop
LHR10:40 amLondon Heathrow
May 18
LHR9:40 amLondon Heathrow
11h 35m
1 stop
LGA4:15 pmNew York LaGuardia
$776

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 May 3, 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

Cheapest round-trip

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 10/1

4:50 pm-10:15 am

1 stop12h 25m

London Heathrow

Tue 10/6

5:05 pm-8:55 pm

1 stop32h 50m

$665

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 9/1

3:30 pm-6:30 am

1 stop10h 00m

London Heathrow

Tue 9/8

2:05 pm-7:36 pm

1 stop10h 31m

$709

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 9/7

8:13 am-9:40 am

1 stop20h 27m

London Heathrow

Mon 9/14

5:05 pm-8:55 pm

1 stop32h 50m

$720

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 9/1

3:30 pm-9:35 am

1 stop13h 05m

London Heathrow

Tue 9/15

5:05 pm-8:55 pm

1 stop32h 50m

$721

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 8/5

5:40 pm-10:00 am

1 stop11h 20m

London Heathrow

Sun 9/13

2:05 pm-7:36 pm

1 stop10h 31m

$724

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 8/22

3:30 pm-6:30 am

1 stop10h 00m

London Heathrow

Mon 8/31

2:05 pm-7:37 pm

1 stop10h 32m

$725

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 9/16

9:25 pm-10:15 am

1 stop31h 50m

London Heathrow

Sun 9/20

8:10 pm-7:17 am

1 stop16h 07m

$727
Quickest round-trip

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 5/13

3:30 pm-6:30 am

1 stop10h 00m

London Heathrow

Tue 5/19

9:30 am-2:37 pm

1 stop10h 07m

$728

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 8/27

4:45 pm-8:35 am

1 stop10h 50m

London Heathrow

Wed 9/2

2:05 pm-7:37 pm

1 stop10h 32m

$730

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 10/20

4:00 pm-6:35 am

1 stop9h 35m

London Heathrow

Tue 10/27

1:00 pm-7:42 pm

1 stop10h 42m

$733

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 August is, on average, the cheapest month to fly to London Heathrow Airport from New York LaGuardia Airport, with most prices found around $506. If you’re not able to fly to London Heathrow Airport in August, then November is your next best option. Flight prices from New York LaGuardia Airport to London Heathrow Airport during November average around $529.

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 $645. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $708.

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 $628. 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 $700.

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 15m

Direct flights

Sun
The fastest flight from New York LaGuardia Airport to London Heathrow Airport takes 9h 15m
Direct flights go from New York LaGuardia Airport to London Heathrow Airport on Sunday. There are no airlines offering direct flights.
Search flight deals

Frequently asked questions about flying from New York LaGuardia Airport to London Heathrow Airport

  • 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 15m.

  • 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 $494Free CancellationRating
7.1
10,993 reviews
Search Air Canada flights
United AirlinesPriceFrom $516Free CancellationRating
7.4
9,684 reviews
Search United Airlines flights
American AirlinesPriceFrom $530Free CancellationRating
7.1
11,673 reviews
Search American Airlines flights

Traveling to a place near London?

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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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