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Cheap flights from New York LaGuardia Airport to London from $219

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 4/13. 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.
Air Canada Logo
2:30 pm - 8:35 am
LGA
-
LHR
13h 05m
1 stop
Air Canada Logo
9:30 am - 4:58 pm
LHR
-
LGA
12h 28m
1 stop
$483Air Canada
Fri, May 8 - Sun, May 10
Air Canada Logo
6:05 am - 7:10 am
LGA
-
LHR
21h 05m
1 stop
Air Canada Logo
1:25 pm - 9:33 pm
LHR
-
LGA
12h 08m
1 stop
$508Air Canada
Tue, Mar 10 - Mon, Mar 16
Air Canada Logo
5:40 pm - 7:10 am
LGA
-
LHR
9h 30m
1 stop
Air Canada Logo
8:30 am - 2:41 pm
LHR
-
LGA
11h 11m
1 stop
$511Air Canada
Wed, Mar 25 - Mon, Mar 30
United Airlines Logo
6:00 am - 10:50 am
LGA
-
LHR
24h 50m
1 stop
United Airlines Logo
1:25 pm - 4:59 pm
LHR
-
LGA
31h 34m
1 stop
$515United Airlines
Mon, Mar 9 - Thu, Mar 12
United Airlines Logo
5:40 pm - 7:10 am
LGA
-
LHR
9h 30m
1 stop
United Airlines Logo
1:25 pm - 11:44 pm
LHR
-
LGA
38h 19m
2 stops
$518United Airlines
Mon, Mar 9 - Thu, Mar 12
United Airlines Logo
7:29 pm - 10:50 am
LGA
-
LHR
11h 21m
1 stop
United Airlines Logo
1:25 pm - 11:44 pm
LHR
-
LGA
38h 19m
2 stops
$519United Airlines
Sun, Mar 8 - Wed, Mar 11
Lufthansa Logo
3:30 pm - 6:30 am
LGA
-
LHR
10h 00m
1 stop
Lufthansa Logo
2:05 pm - 7:37 pm
LHR
-
LGA
10h 32m
1 stop
$520Lufthansa
Wed, Aug 19 - Thu, Aug 27
Air Canada Logo
5:40 pm - 7:10 am
LGA
-
LHR
9h 30m
1 stop
Air Canada Logo
9:30 am - 2:58 pm
LHR
-
LGA
10h 28m
1 stop
$521Air Canada
Thu, Mar 19 - Sun, Apr 5
Air Canada Logo
4:00 pm - 6:30 am
LGA
-
LHR
9h 30m
1 stop
Air Canada Logo
2:05 pm - 7:31 pm
LHR
-
LGA
10h 26m
1 stop
$522Air Canada
Sat, Apr 18 - Sat, Apr 25
Air Canada Logo
4:00 pm - 6:30 am
LGA
-
LHR
9h 30m
1 stop
Air Canada Logo
2:05 pm - 7:31 pm
LHR
-
LGA
10h 26m
1 stop
$523Air Canada
Fri, Apr 17 - Sat, Apr 25

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 8
LGA2:30 pmNew York LaGuardia
13h 05m
1 stop
LHR8:35 amLondon Heathrow
May 10
LHR9:30 amLondon Heathrow
12h 28m
1 stop
LGA4:58 pmNew York LaGuardia
$483
Air Canada
Mar 10
LGA5:40 pmNew York LaGuardia
9h 30m
1 stop
LHR7:10 amLondon Heathrow
Mar 14
LHR1:25 pmLondon Heathrow
12h 08m
1 stop
LGA9:33 pmNew York LaGuardia
$502
Air Canada
Mar 9
LGA5:40 pmNew York LaGuardia
9h 30m
1 stop
LHR7:10 amLondon Heathrow
Mar 15
LHR1:25 pmLondon Heathrow
12h 08m
1 stop
LGA9:33 pmNew York LaGuardia
$507

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
Mar 9
LGA6:00 amNew York LaGuardia
24h 50m
1 stop
LHR10:50 amLondon Heathrow
Mar 12
LHR1:25 pmLondon Heathrow
31h 34m
1 stop
LGA4:59 pmNew York LaGuardia
$515
United Airlines
Mar 9
LGA5:40 pmNew York LaGuardia
9h 30m
1 stop
LHR7:10 amLondon Heathrow
Mar 12
LHR1:25 pmLondon Heathrow
38h 19m
2 stops
LGA11:44 pmNew York LaGuardia
$518
United Airlines
Mar 8
LGA7:29 pmNew York LaGuardia
11h 21m
1 stop
LHR10:50 amLondon Heathrow
Mar 11
LHR1:25 pmLondon Heathrow
38h 19m
2 stops
LGA11:44 pmNew York LaGuardia
$519

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 February 26, 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

Fri 5/8

2:30 pm-8:35 am

1 stop13h 05m

London Heathrow

Sun 5/10

9:30 am-4:58 pm

1 stop12h 28m

$483

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 3/10

6:05 am-7:10 am

1 stop21h 05m

London Heathrow

Mon 3/16

1:25 pm-9:33 pm

1 stop12h 08m

$508

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 3/25

5:40 pm-7:10 am

1 stop9h 30m

London Heathrow

Mon 3/30

8:30 am-2:41 pm

1 stop11h 11m

$511

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 3/9

6:00 am-10:50 am

1 stop24h 50m

London Heathrow

Thu 3/12

1:25 pm-4:59 pm

1 stop31h 34m

$515

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 3/9

5:40 pm-7:10 am

1 stop9h 30m

London Heathrow

Thu 3/12

1:25 pm-11:44 pm

2 stops38h 19m

$518

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 3/8

7:29 pm-10:50 am

1 stop11h 21m

London Heathrow

Wed 3/11

1:25 pm-11:44 pm

2 stops38h 19m

$519

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 8/19

3:30 pm-6:30 am

1 stop10h 00m

London Heathrow

Thu 8/27

2:05 pm-7:37 pm

1 stop10h 32m

$520

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 3/19

5:40 pm-7:10 am

1 stop9h 30m

London Heathrow

Sun 4/5

9:30 am-2:58 pm

1 stop10h 28m

$521

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 4/18

4:00 pm-6:30 am

1 stop9h 30m

London Heathrow

Sat 4/25

2:05 pm-7:31 pm

1 stop10h 26m

$522

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 4/17

4:00 pm-6:30 am

1 stop9h 30m

London Heathrow

Sat 4/25

2:05 pm-7:31 pm

1 stop10h 26m

$523

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 March is, on average, the cheapest month to fly to London Heathrow Airport from New York LaGuardia Airport, with most prices found around $522. If you’re not able to fly to London Heathrow Airport in March, then August is your next best option. Flight prices from New York LaGuardia Airport to London Heathrow Airport during August average around $528.

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 $638. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $700.

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 $608. 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 $686.

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 00m

Direct flights

None
The fastest flight from New York LaGuardia Airport to London Heathrow Airport takes 9h 00m
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 00m.

  • 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 $480Free CancellationRating
7.1
10,748 reviews
Search Air Canada flights
British AirwaysPriceFrom $514Free CancellationRating
6.7
7,772 reviews
Search British Airways flights
United AirlinesPriceFrom $516Free CancellationRating
7.4
9,350 reviews
Search United Airlines flights
American AirlinesPriceFrom $530Free CancellationRating
7.2
11,355 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
Luton
Dover
Slough
Stratford-upon-Avon
Crawley
Hayes
Wembley
Dartford
Brentwood
Croydon
Guildford
Harrow
Watford
Cobham
Folkestone
Romford
Stansted

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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