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Cheap flights from New York LaGuardia Airport to London from $189

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 9/12. 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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Find the cheapest flights from New York LaGuardia Airport to London (LGA-LHR)

Cheap round-trip flights

Air Canada Logo
7:05 pm - 9:35 amLGA-LHR
9h 30m1 stop
Air Canada Logo
9:30 am - 7:37 pmLHR-LGA
15h 07m1 stop
$441Air Canada
Find Deal
Sun, Sep 28 - Sat, Oct 4
Air Canada Logo
6:05 am - 7:10 amLGA-LHR
20h 05m1 stop
Air Canada Logo
9:00 am - 7:02 pmLHR-LGA
15h 02m2 stops
$459Air Canada
Find Deal
Fri, Nov 7 - Mon, Nov 10
Air Canada Logo
7:05 pm - 9:35 amLGA-LHR
9h 30m1 stop
Air Canada Logo
9:30 am - 2:47 pmLHR-LGA
10h 17m1 stop
$464Air Canada
Find Deal
Sat, Sep 27 - Sat, Oct 4
Air Canada Logo
5:45 pm - 9:35 amLGA-LHR
10h 50m1 stop
Air Canada Logo
9:30 am - 7:37 pmLHR-LGA
15h 07m1 stop
$465Air Canada
Find Deal
Sun, Sep 28 - Sat, Oct 4
Logo
7:05 am - 6:30 amLGA-LHR
18h 25m1 stop
Logo
6:50 am - 2:45 pmLHR-LGA
12h 55m2 stops
$479
Find Deal
Tue, Aug 26 - Sat, Aug 30
United Airlines Logo
9:30 pm - 6:20 amLGA-LHR
27h 50m1 stop
United Airlines Logo
4:40 pm - 11:43 pmLHR-LGA
12h 03m1 stop
$486United Airlines
Find Deal
Fri, Sep 26 - Fri, Oct 3
United Airlines Logo
7:28 am - 6:20 amLGA-LHR
17h 52m1 stop
United Airlines Logo
11:05 am - 8:17 pmLHR-LGA
14h 12m1 stop
$493United Airlines
Find Deal
Sun, Aug 24 - Sat, Aug 30
Logo
8:45 pm - 11:50 amLGA-LHR
10h 05m1 stop
Logo
9:30 am - 7:37 pmLHR-LGA
15h 07m1 stop
$500
Find Deal
Fri, Sep 19 - Sat, Oct 4
Lufthansa Logo
5:45 pm - 9:35 amLGA-LHR
10h 50m1 stop
Lufthansa Logo
9:30 am - 7:37 pmLHR-LGA
15h 07m1 stop
$513Lufthansa
Find Deal
Mon, Oct 6 - Fri, Oct 10
Lufthansa Logo
3:30 pm - 6:30 amLGA-LHR
10h 00m1 stop
Lufthansa Logo
2:05 pm - 7:37 pmLHR-LGA
10h 32m1 stop
$514Lufthansa
Find Deal
Tue, Sep 9 - Wed, Sep 17

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
Sep 26
LGA9:30 pmNew York LaGuardia
27h 50m
1 stop
LHR6:20 amLondon Heathrow
Oct 3
LHR4:40 pmLondon Heathrow
12h 03m
1 stop
LGA11:43 pmNew York LaGuardia
$486
Find similar
United Airlines
Aug 21
LGA2:20 pmNew York LaGuardia
13h 00m
1 stop
LHR8:20 amLondon Heathrow
Aug 27
LHR9:30 amLondon Heathrow
12h 25m
1 stop
LGA4:55 pmNew York LaGuardia
$487
Find similar
United Airlines
Aug 15
LGA6:30 pmNew York LaGuardia
12h 15m
1 stop
LHR11:45 amLondon Heathrow
Aug 24
LHR12:15 pmLondon Heathrow
26h 26m
1 stop
LGA9:41 amNew York LaGuardia
$492
Find similar

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
Sep 28
LGA7:05 pmNew York LaGuardia
9h 30m
1 stop
LHR9:35 amLondon Heathrow
Oct 4
LHR9:30 amLondon Heathrow
15h 07m
1 stop
LGA7:37 pmNew York LaGuardia
$441
Find similar
Air Canada
Nov 7
LGA6:05 amNew York LaGuardia
20h 05m
1 stop
LHR7:10 amLondon Heathrow
Nov 10
LHR9:00 amLondon Heathrow
15h 02m
2 stops
LGA7:02 pmNew York LaGuardia
$459
Find similar
Air Canada
Sep 27
LGA7:05 pmNew York LaGuardia
9h 30m
1 stop
LHR9:35 amLondon Heathrow
Oct 4
LHR9:30 amLondon Heathrow
10h 17m
1 stop
LGA2:47 pmNew York LaGuardia
$464
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 August 14, 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 9/28

7:05 pm-9:35 am

1 stop9h 30m

London Heathrow

Sat 10/4

9:30 am-7:37 pm

1 stop15h 07m

$441

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 11/7

6:05 am-7:10 am

1 stop20h 05m

London Heathrow

Mon 11/10

9:00 am-7:02 pm

2 stops15h 02m

$459

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 9/27

7:05 pm-9:35 am

1 stop9h 30m

London Heathrow

Sat 10/4

9:30 am-2:47 pm

1 stop10h 17m

$464

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 9/28

5:45 pm-9:35 am

1 stop10h 50m

London Heathrow

Sat 10/4

9:30 am-7:37 pm

1 stop15h 07m

$465

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 8/26

7:05 am-6:30 am

1 stop18h 25m

London Heathrow

Sat 8/30

6:50 am-2:45 pm

2 stops12h 55m

$479

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 9/26

9:30 pm-6:20 am

1 stop27h 50m

London Heathrow

Fri 10/3

4:40 pm-11:43 pm

1 stop12h 03m

$486

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 8/24

7:28 am-6:20 am

1 stop17h 52m

London Heathrow

Sat 8/30

11:05 am-8:17 pm

1 stop14h 12m

$493

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 9/19

8:45 pm-11:50 am

1 stop10h 05m

London Heathrow

Sat 10/4

9:30 am-7:37 pm

1 stop15h 07m

$500

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 10/6

5:45 pm-9:35 am

1 stop10h 50m

London Heathrow

Fri 10/10

9:30 am-7:37 pm

1 stop15h 07m

$513

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 9/9

3:30 pm-6:30 am

1 stop10h 00m

London Heathrow

Wed 9/17

2:05 pm-7:37 pm

1 stop10h 32m

$514

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 cheapest month to fly to London Heathrow Airport?

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from New York LaGuardia Airport, with most prices found around $419. If you’re not able to fly to London Heathrow Airport in October, then February is your next best option. Flight prices from New York LaGuardia Airport to London Heathrow Airport during February average around $454.

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 $633. The most expensive day to fly to London Heathrow Airport is Sunday, with ticket prices averaging around $674.

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 $582. 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 $692.

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

Best Price Found

$189

Fastest flight time

9h 05m

Direct flights

None
The best one-way flight to London Heathrow Airport from New York LaGuardia Airport in the past 72 hours is $189. The best round-trip flight deal from New York LaGuardia Airport to London Heathrow Airport found on momondo in the last 72 hours is $441.
The fastest flight from New York LaGuardia Airport to London Heathrow Airport takes 9h 05m
There are no direct flights from New York LaGuardia Airport to London Heathrow Airport. Popular non-direct route for this connection is New York LaGuardia Airport - 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 $357Free CancellationRating
7.1
9,949 reviews
Search Air Canada flights
DeltaPriceFrom $414Free CancellationRating
8.0
7,980 reviews
Search Delta flights
United AirlinesPriceFrom $457Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
British AirwaysPriceFrom $515Free CancellationRating
6.6
7,266 reviews
Search British Airways flights
American AirlinesPriceFrom $530Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Dover
Slough
Luton
Guildford
Milton Keynes
Dartford
Crawley
Hayes
Chelmsford
Stansted
Salisbury
Brentwood
Ilford
Swindon
Colchester
Folkestone
Stratford-upon-Avon
Watford

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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