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Cheap flights from New York LaGuardia Airport to London from $205

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 8/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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 - 6:35 amLGA  New York LaGuardia-LHR London Heathrow
11h 05m1 stop Toronto Pearson Intl
Air Canada Logo
1:00 pm - 9:31 pmLHR  London Heathrow-LGA New York LaGuardia
12h 31m1 stop Montreal Pierre Elliott Trudeau Intl
$545Air Canada
Wed, Oct 21 - Mon, Oct 26
Air Canada Logo
6:50 pm - 11:20 amLGA  New York LaGuardia-LHR London Heathrow
11h 30m1 stop Toronto Pearson Intl
Air Canada Logo
1:00 pm - 7:06 pmLHR  London Heathrow-LGA New York LaGuardia
11h 06m1 stop Montreal Pierre Elliott Trudeau Intl
$557Air Canada
Sun, Dec 6 - Sun, Dec 20
Air Canada Logo
7:05 pm - 11:50 amLGA  New York LaGuardia-LHR London Heathrow
11h 45m1 stop Toronto Pearson Intl
Air Canada Logo
9:30 am - 4:56 pmLHR  London Heathrow-LGA New York LaGuardia
12h 26m1 stop Montreal Pierre Elliott Trudeau Intl
$562Air Canada
Thu, Oct 8 - Tue, Oct 13
Air Canada Logo
7:05 pm - 11:50 amLGA  New York LaGuardia-LHR London Heathrow
11h 45m1 stop Toronto Pearson Intl
Air Canada Logo
2:05 pm - 9:30 pmLHR  London Heathrow-LGA New York LaGuardia
12h 25m1 stop Montreal Pierre Elliott Trudeau Intl
$569Air Canada
Sat, Oct 17 - Thu, Oct 22
British Airways Logo
5:09 pm - 10:30 amLGA  New York LaGuardia-LHR London Heathrow
12h 21m1 stop Toronto Pearson Intl
British Airways Logo
5:15 pm - 8:50 amLHR  London Heathrow-LGA New York LaGuardia
20h 35m1 stop Toronto Pearson Intl
$643British Airways
Fri, Nov 13 - Tue, Nov 17
British Airways Logo
5:09 pm - 10:25 amLGA  New York LaGuardia-LHR London Heathrow
12h 16m1 stop Toronto Pearson Intl
British Airways Logo
5:15 pm - 8:50 amLHR  London Heathrow-LGA New York LaGuardia
20h 35m1 stop Toronto Pearson Intl
$643British Airways
Wed, Nov 4 - Wed, Nov 11
British Airways Logo
1:47 pm - 6:15 amLGA  New York LaGuardia-LHR London Heathrow
11h 28m1 stop Toronto Pearson Intl
British Airways Logo
5:15 pm - 8:50 amLHR  London Heathrow-LGA New York LaGuardia
20h 35m1 stop Toronto Pearson Intl
$645British Airways
Tue, Dec 1 - Tue, Dec 8
United Airlines Logo
1:25 pm - 8:30 amLGA  New York LaGuardia-LHR London Heathrow
14h 05m1 stop Chicago O'Hare Intl
United Airlines Logo
6:55 am - 8:59 pmLHR  London Heathrow-LGA New York LaGuardia
19h 04m2 stops Munich Franz Josef Strauss Toronto Pearson Intl
$692United Airlines
Sat, Sep 12 - Mon, Sep 14
United Airlines Logo
3:25 pm - 8:30 amLGA  New York LaGuardia-LHR London Heathrow
12h 05m1 stop Chicago O'Hare Intl
United Airlines Logo
6:55 am - 7:01 pmLHR  London Heathrow-LGA New York LaGuardia
17h 06m2 stops Munich Franz Josef Strauss Toronto Pearson Intl
$692United Airlines
Thu, Sep 10 - Sat, Sep 12
United Airlines Logo
4:25 pm - 11:55 amLGA  New York LaGuardia-LHR London Heathrow
14h 30m1 stop Chicago O'Hare Intl
United Airlines Logo
7:25 am - 7:01 pmLHR  London Heathrow-LGA New York LaGuardia
16h 36m2 stops Munich Franz Josef Strauss Toronto Pearson Intl
$692United Airlines
Thu, Oct 15 - Sat, Oct 17

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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
Oct 21
LGA2:30 pmNew York LaGuardia
11h 05m
1 stop
LHR6:35 amLondon Heathrow
Oct 26
LHR1:00 pmLondon Heathrow
12h 31m
1 stop
LGA9:31 pmNew York LaGuardia
$545
Air Canada
Dec 6
LGA6:50 pmNew York LaGuardia
11h 30m
1 stop
LHR11:20 amLondon Heathrow
Dec 20
LHR1:00 pmLondon Heathrow
11h 06m
1 stop
LGA7:06 pmNew York LaGuardia
$557
Air Canada
Oct 8
LGA7:05 pmNew York LaGuardia
11h 45m
1 stop
LHR11:50 amLondon Heathrow
Oct 13
LHR9:30 amLondon Heathrow
12h 26m
1 stop
LGA4:56 pmNew York LaGuardia
$562

British Airways flights from New York LaGuardia Airport to London Heathrow Airport

Our best British Airways deals on New York LaGuardia Airport to London Heathrow Airport flight tickets
British Airways
Nov 4
LGA5:09 pmNew York LaGuardia
12h 16m
1 stop
LHR10:25 amLondon Heathrow
Nov 11
LHR5:15 pmLondon Heathrow
20h 35m
1 stop
LGA8:50 amNew York LaGuardia
$643
British Airways
Oct 11
LGA10:17 amNew York LaGuardia
15h 03m
1 stop
LHR6:20 amLondon Heathrow
Oct 28
LHR5:15 pmLondon Heathrow
19h 51m
1 stop
LGA9:06 amNew York LaGuardia
$645
British Airways
Nov 12
LGA8:20 amNew York LaGuardia
21h 05m
1 stop
LHR10:25 amLondon Heathrow
Nov 17
LHR5:15 pmLondon Heathrow
20h 35m
1 stop
LGA8:50 amNew York LaGuardia
$646

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 11, 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 New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Wed 10/21

2:30 pm-6:35 am

1 stop11h 05m

London Heathrow

Mon 10/26

1:00 pm-9:31 pm

1 stop12h 31m

$545
Quickest round-trip

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Sun 12/6

6:50 pm-11:20 am

1 stop11h 30m

London Heathrow

Sun 12/20

1:00 pm-7:06 pm

1 stop11h 06m

$557

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Thu 10/8

7:05 pm-11:50 am

1 stop11h 45m

London Heathrow

Tue 10/13

9:30 am-4:56 pm

1 stop12h 26m

$562

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Sat 10/17

7:05 pm-11:50 am

1 stop11h 45m

London Heathrow

Thu 10/22

2:05 pm-9:30 pm

1 stop12h 25m

$569

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Fri 11/13

5:09 pm-10:30 am

1 stop12h 21m

London Heathrow

Tue 11/17

5:15 pm-8:50 am

1 stop20h 35m

$643

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Wed 11/4

5:09 pm-10:25 am

1 stop12h 16m

London Heathrow

Wed 11/11

5:15 pm-8:50 am

1 stop20h 35m

$643

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Tue 12/1

1:47 pm-6:15 am

1 stop11h 28m

London Heathrow

Tue 12/8

5:15 pm-8:50 am

1 stop20h 35m

$645

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Sat 9/12

1:25 pm-8:30 am

1 stop14h 05m

London Heathrow

Mon 9/14

6:55 am-8:59 pm

2 stops19h 04m

$692

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Thu 9/10

3:25 pm-8:30 am

1 stop12h 05m

London Heathrow

Sat 9/12

6:55 am-7:01 pm

2 stops17h 06m

$692

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Thu 10/15

4:25 pm-11:55 am

1 stop14h 30m

London Heathrow

Sat 10/17

7:25 am-7:01 pm

2 stops16h 36m

$692

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 November is, on average, the cheapest month to fly to London Heathrow Airport from New York LaGuardia Airport, with most prices found around $530. If you’re not able to fly to London Heathrow Airport in November, then April is your next best option. Flight prices from New York LaGuardia Airport to London Heathrow Airport during April average around $550.

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 $744. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $785.

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 $730. 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 $786.

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 05m

Direct flights

None
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. There are no popular flight routes from New York LaGuardia Airport to London Heathrow Airport.
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 05m.

  • 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
United AirlinesPriceFrom $361Free CancellationRating
7.4
10,104 reviews
Search United Airlines flights
Air CanadaPriceFrom $494Free CancellationRating
7.1
11,462 reviews
Search Air Canada flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Luton
Hayes
Stratford-upon-Avon
Wembley
Croydon
Dover
Stansted
Richmond
Kingston upon Thames
Harrow
Watford
Cobham
Slough
Uxbridge
Worthing
Romford
Ilford

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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