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Cheap flights from New York LaGuardia Airport to London from $208

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 1/14. 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.
Multiple Airlines Logo
3:30 pm - 8:30 am
LGA
-
LHR
12h 00m1 stop
Multiple Airlines Logo
6:00 am - 5:58 pm
LHR
-
LGA
16h 58m2 stops
$501Multiple Airlines
Thu, Jan 15 - Thu, Jan 22
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
$502Air Canada
Fri, Jan 30 - Fri, Feb 6
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
Thu, Jan 15 - 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
$504Air Canada
Mon, Feb 2 - Wed, Feb 11
Multiple Airlines Logo
11:30 am - 8:30 am
LGA
-
LHR
16h 00m1 stop
Multiple Airlines Logo
9:00 am - 7:02 pm
LHR
-
LGA
15h 02m2 stops
$505Multiple Airlines
Wed, Jan 7 - 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
$506Air Canada
Wed, Jan 14 - Wed, Jan 21
Air Canada Logo
12:40 pm - 7:10 am
LGA
-
LHR
13h 30m1 stop
Air Canada Logo
1:25 pm - 7:02 pm
LHR
-
LGA
10h 37m1 stop
$507Air Canada
Thu, Jan 15 - Thu, Jan 22
Air Canada Logo
12:40 pm - 7:10 am
LGA
-
LHR
13h 30m1 stop
Air Canada Logo
1:25 pm - 7:02 pm
LHR
-
LGA
10h 37m1 stop
$508Air Canada
Fri, Jan 16 - Fri, Jan 23
Lufthansa Logo
3:30 pm - 8:30 am
LGA
-
LHR
12h 00m1 stop
Lufthansa Logo
1:25 pm - 9:33 pm
LHR
-
LGA
13h 08m1 stop
$509Lufthansa
Fri, Jan 16 - Wed, Jan 28
United Airlines Logo
9:15 pm - 5:55 am
LGA
-
LHR
27h 40m1 stop
United Airlines Logo
1:25 pm - 9:53 am
LHR
-
LGA
25h 28m1 stop
$510United Airlines
Tue, Dec 30 - Fri, Jan 9

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
Jan 30
LGA3:20 pmNew York LaGuardia
10h 50m
1 stop
LHR7:10 amLondon Heathrow
Feb 6
LHR1:25 pmLondon Heathrow
10h 37m
1 stop
LGA7:02 pmNew York LaGuardia
$502
Find similar
Air Canada
Jan 15
LGA3:20 pmNew York LaGuardia
10h 50m
1 stop
LHR7:10 amLondon Heathrow
Jan 22
LHR1:25 pmLondon Heathrow
10h 37m
1 stop
LGA7:02 pmNew York LaGuardia
$503
Find similar
Air Canada
Feb 2
LGA3:20 pmNew York LaGuardia
10h 50m
1 stop
LHR7:10 amLondon Heathrow
Feb 11
LHR1:25 pmLondon Heathrow
10h 37m
1 stop
LGA7:02 pmNew York LaGuardia
$504
Find similar

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
Jan 16
LGA3:30 pmNew York LaGuardia
12h 00m
1 stop
LHR8:30 amLondon Heathrow
Jan 28
LHR1:25 pmLondon Heathrow
13h 08m
1 stop
LGA9:33 pmNew York LaGuardia
$509
Find similar
Lufthansa
Jan 8
LGA3:30 pmNew York LaGuardia
12h 00m
1 stop
LHR8:30 amLondon Heathrow
Jan 14
LHR1:25 pmLondon Heathrow
13h 08m
1 stop
LGA9:33 pmNew York LaGuardia
$518
Find similar
Lufthansa
Apr 1
LGA5:35 pmNew York LaGuardia
11h 25m
1 stop
LHR10:00 amLondon Heathrow
Apr 13
LHR2:05 pmLondon Heathrow
12h 23m
1 stop
LGA9:28 pmNew York LaGuardia
$520
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 18, 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 1/15

3:30 pm-8:30 am

1 stop12h 00m

London Heathrow

Thu 1/22

6:00 am-5:58 pm

2 stops16h 58m

$501

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 1/30

3:20 pm-7:10 am

1 stop10h 50m

London Heathrow

Fri 2/6

1:25 pm-7:02 pm

1 stop10h 37m

$502

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 1/15

3:20 pm-7:10 am

1 stop10h 50m

London Heathrow

Tue 1/20

1:25 pm-7:02 pm

1 stop10h 37m

$503

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 2/2

3:20 pm-7:10 am

1 stop10h 50m

London Heathrow

Wed 2/11

1:25 pm-7:02 pm

1 stop10h 37m

$504

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 1/7

11:30 am-8:30 am

1 stop16h 00m

London Heathrow

Tue 1/20

9:00 am-7:02 pm

2 stops15h 02m

$505

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 1/14

3:20 pm-7:10 am

1 stop10h 50m

London Heathrow

Wed 1/21

1:25 pm-7:02 pm

1 stop10h 37m

$506

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 1/15

12:40 pm-7:10 am

1 stop13h 30m

London Heathrow

Thu 1/22

1:25 pm-7:02 pm

1 stop10h 37m

$507

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 1/16

12:40 pm-7:10 am

1 stop13h 30m

London Heathrow

Fri 1/23

1:25 pm-7:02 pm

1 stop10h 37m

$508

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 1/16

3:30 pm-8:30 am

1 stop12h 00m

London Heathrow

Wed 1/28

1:25 pm-9:33 pm

1 stop13h 08m

$509

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 12/30

9:15 pm-5:55 am

1 stop27h 40m

London Heathrow

Fri 1/9

1:25 pm-9:53 am

1 stop25h 28m

$510

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 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 $459. 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 $645. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $686.

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 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 30m

Direct flights

None
The fastest flight from New York LaGuardia Airport to London Heathrow Airport takes 9h 30m
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
10,534 reviews
Search Air Canada flights
British AirwaysPriceFrom $514Free CancellationRating
6.7
7,585 reviews
Search British Airways flights
United AirlinesPriceFrom $516Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
American AirlinesPriceFrom $530Free CancellationRating
7.2
11,054 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
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Luton
Slough
Guildford
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Dartford
Stratford-upon-Avon
Crawley
Brentwood
Salisbury
Wembley
Watford
Ilford
Cobham
Folkestone
Romford
Richmond

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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