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Cheap flights from New York LaGuardia Airport to London from $169

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 12/9. 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
3:20 pm - 7:10 am
LGA
-
LHR
10h 50m1 stop
Air Canada Logo
1:25 pm - 7:02 pm
LHR
-
LGA
10h 37m1 stop
$503Air Canada
Sun, Jan 18 - Sun, Jan 25
Air Canada Logo
10:35 am - 7:10 am
LGA
-
LHR
15h 35m1 stop
Air Canada Logo
1:25 pm - 9:33 pm
LHR
-
LGA
13h 08m1 stop
$504Air Canada
Mon, Jan 19 - Sun, Jan 25
Air Canada Logo
10:35 am - 7:10 am
LGA
-
LHR
15h 35m1 stop
Air Canada Logo
1:25 pm - 9:33 pm
LHR
-
LGA
13h 08m1 stop
$505Air Canada
Mon, Jan 19 - Tue, Jan 27
Multiple Airlines Logo
3:20 pm - 9:20 am
LGA
-
LHR
13h 00m2 stops
Multiple Airlines Logo
1:25 pm - 9:33 pm
LHR
-
LGA
13h 08m1 stop
$506Multiple Airlines
Sun, Jan 18 - Sun, Jan 25
Air Canada Logo
10:35 am - 7:10 am
LGA
-
LHR
15h 35m1 stop
Air Canada Logo
1:25 pm - 7:02 pm
LHR
-
LGA
10h 37m1 stop
$507Air Canada
Mon, Jan 19 - Mon, Jan 26
Air Canada Logo
3:20 pm - 7:10 am
LGA
-
LHR
10h 50m1 stop
Air Canada Logo
1:25 pm - 7:02 pm
LHR
-
LGA
10h 37m1 stop
$508Air Canada
Mon, Jan 19 - Sun, Jan 25
Air Canada Logo
3:20 pm - 7:10 am
LGA
-
LHR
10h 50m1 stop
Air Canada Logo
1:25 pm - 7:02 pm
LHR
-
LGA
10h 37m1 stop
$509Air Canada
Mon, Jan 19 - Mon, Jan 26
United Airlines Logo
7:29 pm - 6:40 am
LGA
-
LHR
30h 11m1 stop
United Airlines Logo
1:25 pm - 4:57 pm
LHR
-
LGA
32h 32m1 stop
$510United Airlines
Tue, Jan 6 - Tue, Jan 20
Air Canada Logo
3:20 pm - 7:10 am
LGA
-
LHR
10h 50m1 stop
Air Canada Logo
1:25 pm - 7:02 pm
LHR
-
LGA
10h 37m1 stop
$511Air Canada
Fri, Jan 16 - Fri, Jan 23
Multiple Airlines Logo
3:20 pm - 7:10 am
LGA
-
LHR
10h 50m1 stop
Multiple Airlines Logo
1:25 pm - 7:02 pm
LHR
-
LGA
10h 37m1 stop
$512Multiple Airlines
Fri, Jan 23 - Fri, Jan 30

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
Dec 10
LGA6:00 amNew York LaGuardia
23h 50m
1 stop
LHR10:50 amLondon Heathrow
Dec 14
LHR1:25 pmLondon Heathrow
32h 34m
1 stop
LGA4:59 pmNew York LaGuardia
$504
Find similar
United Airlines
Dec 9
LGA6:00 amNew York LaGuardia
23h 50m
1 stop
LHR10:50 amLondon Heathrow
Dec 14
LHR9:00 amLondon Heathrow
29h 13m
2 stops
LGA9:13 amNew York LaGuardia
$507
Find similar
United Airlines
Jan 6
LGA7:29 pmNew York LaGuardia
30h 11m
1 stop
LHR6:40 amLondon Heathrow
Jan 20
LHR1:25 pmLondon Heathrow
32h 32m
1 stop
LGA4:57 pmNew York LaGuardia
$510
Find similar

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
Dec 31
LGA5:00 pmNew York LaGuardia
9h 50m
1 stop
LHR7:50 amLondon Heathrow
Jan 9
LHR9:40 amLondon Heathrow
10h 45m
1 stop
LGA3:25 pmNew York LaGuardia
$518
Find similar
Delta
Dec 11
LGA4:00 pmNew York LaGuardia
9h 50m
1 stop
LHR6:50 amLondon Heathrow
Dec 18
LHR9:40 amLondon Heathrow
10h 50m
1 stop
LGA3:30 pmNew York LaGuardia
$519
Find similar
Delta
Dec 9
LGA11:00 amNew York LaGuardia
15h 50m
1 stop
LHR7:50 amLondon Heathrow
Dec 25
LHR6:30 amLondon Heathrow
14h 41m
2 stops
LGA4:11 pmNew York LaGuardia
$522
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 December 4, 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

Sun 1/18

3:20 pm-7:10 am

1 stop10h 50m

London Heathrow

Sun 1/25

1:25 pm-7:02 pm

1 stop10h 37m

$503

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 1/19

10:35 am-7:10 am

1 stop15h 35m

London Heathrow

Sun 1/25

1:25 pm-9:33 pm

1 stop13h 08m

$504

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 1/19

10:35 am-7:10 am

1 stop15h 35m

London Heathrow

Tue 1/27

1:25 pm-9:33 pm

1 stop13h 08m

$505

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 1/18

3:20 pm-9:20 am

2 stops13h 00m

London Heathrow

Sun 1/25

1:25 pm-9:33 pm

1 stop13h 08m

$506

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 1/19

10:35 am-7:10 am

1 stop15h 35m

London Heathrow

Mon 1/26

1:25 pm-7:02 pm

1 stop10h 37m

$507

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 1/19

3:20 pm-7:10 am

1 stop10h 50m

London Heathrow

Sun 1/25

1:25 pm-7:02 pm

1 stop10h 37m

$508

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 1/19

3:20 pm-7:10 am

1 stop10h 50m

London Heathrow

Mon 1/26

1:25 pm-7:02 pm

1 stop10h 37m

$509

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 1/6

7:29 pm-6:40 am

1 stop30h 11m

London Heathrow

Tue 1/20

1:25 pm-4:57 pm

1 stop32h 32m

$510

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 1/16

3:20 pm-7:10 am

1 stop10h 50m

London Heathrow

Fri 1/23

1:25 pm-7:02 pm

1 stop10h 37m

$511

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 1/23

3:20 pm-7:10 am

1 stop10h 50m

London Heathrow

Fri 1/30

1:25 pm-7:02 pm

1 stop10h 37m

$512

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 $649. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $692.

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 $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

Fastest flight time

9h 45m

Direct flights

None
The fastest flight from New York LaGuardia Airport to London Heathrow Airport takes 9h 45m
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
10,500 reviews
Search Air Canada flights
British AirwaysPriceFrom $514Free CancellationRating
6.7
7,562 reviews
Search British Airways flights
United AirlinesPriceFrom $516Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
American AirlinesPriceFrom $530Free CancellationRating
7.2
11,044 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
Salisbury
Wembley
Romford
Watford
Ilford
Cobham
Folkestone
Uxbridge

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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