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Cheap flights from New York LaGuardia Airport to London from $284

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 8/4. 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.
Multiple Airlines Logo
3:30 pm - 6:30 am
LGA
-
LHR
10h 00m
1 stop
Multiple Airlines Logo
10:00 pm - 10:35 pm
LHR
-
LGA
29h 35m
2 stops
$723Multiple Airlines
Fri, Aug 7 - Sun, Aug 23
Virgin Atlantic Logo
8:00 pm - 10:40 am
LGA
-
LHR
9h 40m
1 stop
Virgin Atlantic Logo
6:30 am - 4:25 pm
LHR
-
LGA
14h 55m
2 stops
$724Virgin Atlantic
Thu, Aug 27 - Sat, Aug 29
Multiple Airlines Logo
6:30 am - 10:00 am
LGA
-
LHR
22h 30m
1 stop
Multiple Airlines Logo
7:40 am - 4:55 pm
LHR
-
LGA
14h 15m
2 stops
$726Multiple Airlines
Wed, Aug 19 - Mon, Aug 24
Multiple Airlines Logo
6:30 am - 10:00 am
LGA
-
LHR
22h 30m
1 stop
Multiple Airlines Logo
7:40 am - 4:55 pm
LHR
-
LGA
14h 15m
2 stops
$727Multiple Airlines
Mon, Aug 3 - Mon, Aug 24
Multiple Airlines Logo
5:35 pm - 10:00 am
LGA
-
LHR
11h 25m
1 stop
Multiple Airlines Logo
10:00 pm - 4:55 pm
LHR
-
LGA
23h 55m
2 stops
$728Multiple Airlines
Sun, Aug 16 - Sun, Aug 23
Multiple Airlines Logo
10:40 am - 6:30 am
LGA
-
LHR
14h 50m
1 stop
Multiple Airlines Logo
7:40 am - 4:55 pm
LHR
-
LGA
14h 15m
2 stops
$730Multiple Airlines
Tue, Aug 25 - Fri, Aug 28
Multiple Airlines Logo
5:35 pm - 10:00 am
LGA
-
LHR
11h 25m
1 stop
Multiple Airlines Logo
7:40 am - 4:55 pm
LHR
-
LGA
14h 15m
2 stops
$731Multiple Airlines
Tue, Aug 18 - Fri, Aug 28
Multiple Airlines Logo
11:35 am - 6:35 am
LGA
-
LHR
14h 00m
1 stop
Multiple Airlines Logo
7:40 am - 4:55 pm
LHR
-
LGA
14h 15m
2 stops
$732Multiple Airlines
Sun, Aug 16 - Mon, Aug 24
Multiple Airlines Logo
5:35 pm - 6:30 am
LGA
-
LHR
31h 55m
1 stop
Multiple Airlines Logo
7:40 am - 6:10 pm
LHR
-
LGA
15h 30m
2 stops
$734Multiple Airlines
Thu, Aug 13 - Thu, Aug 20
Multiple Airlines Logo
10:40 am - 6:30 am
LGA
-
LHR
14h 50m
1 stop
Multiple Airlines Logo
7:40 am - 4:55 pm
LHR
-
LGA
14h 15m
2 stops
$737Multiple Airlines
Wed, Aug 12 - Wed, Aug 19

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Virgin Atlantic flights from New York LaGuardia Airport to London Heathrow Airport

Our best Virgin Atlantic deals on New York LaGuardia Airport to London Heathrow Airport flight tickets
Virgin Atlantic
Aug 27
LGA8:00 pmNew York LaGuardia
9h 40m
1 stop
LHR10:40 amLondon Heathrow
Aug 29
LHR6:30 amLondon Heathrow
14h 55m
2 stops
LGA4:25 pmNew York LaGuardia
$724
Virgin Atlantic
Aug 13
LGA2:29 pmNew York LaGuardia
11h 41m
1 stop
LHR7:10 amLondon Heathrow
Aug 15
LHR6:30 amLondon Heathrow
18h 05m
2 stops
LGA7:35 pmNew York LaGuardia
$754
Virgin Atlantic
Jun 23
LGA2:29 pmNew York LaGuardia
11h 41m
1 stop
LHR7:10 amLondon Heathrow
Aug 15
LHR6:30 amLondon Heathrow
18h 05m
2 stops
LGA7:35 pmNew York LaGuardia
$932

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
Aug 19
LGA3:30 pmNew York LaGuardia
10h 00m
1 stop
LHR6:30 amLondon Heathrow
Sep 17
LHR2:05 pmLondon Heathrow
10h 31m
1 stop
LGA7:36 pmNew York LaGuardia
$769
Lufthansa
Oct 19
LGA5:40 pmNew York LaGuardia
11h 20m
1 stop
LHR10:00 amLondon Heathrow
Oct 31
LHR6:00 pmLondon Heathrow
31h 58m
1 stop
LGA9:58 pmNew York LaGuardia
$771
Lufthansa
Aug 13
LGA7:29 pmNew York LaGuardia
10h 11m
1 stop
LHR10:40 amLondon Heathrow
Aug 31
LHR2:05 pmLondon Heathrow
12h 25m
1 stop
LGA9:30 pmNew York LaGuardia
$772

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 June 16, 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 - LHR

LGALHR

New York LaGuardia

Fri 8/7

3:30 pm-6:30 am

1 stop10h 00m

London Heathrow

Sun 8/23

10:00 pm-10:35 pm

2 stops29h 35m

$723
Quickest round-trip

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 8/27

8:00 pm-10:40 am

1 stop9h 40m

London Heathrow

Sat 8/29

6:30 am-4:25 pm

2 stops14h 55m

$724

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 8/19

6:30 am-10:00 am

1 stop22h 30m

London Heathrow

Mon 8/24

7:40 am-4:55 pm

2 stops14h 15m

$726

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 8/3

6:30 am-10:00 am

1 stop22h 30m

London Heathrow

Mon 8/24

7:40 am-4:55 pm

2 stops14h 15m

$727

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 8/16

5:35 pm-10:00 am

1 stop11h 25m

London Heathrow

Sun 8/23

10:00 pm-4:55 pm

2 stops23h 55m

$728

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 8/25

10:40 am-6:30 am

1 stop14h 50m

London Heathrow

Fri 8/28

7:40 am-4:55 pm

2 stops14h 15m

$730

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 8/18

5:35 pm-10:00 am

1 stop11h 25m

London Heathrow

Fri 8/28

7:40 am-4:55 pm

2 stops14h 15m

$731

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 8/16

11:35 am-6:35 am

1 stop14h 00m

London Heathrow

Mon 8/24

7:40 am-4:55 pm

2 stops14h 15m

$732

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 8/13

5:35 pm-6:30 am

1 stop31h 55m

London Heathrow

Thu 8/20

7:40 am-6:10 pm

2 stops15h 30m

$734

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 8/12

10:40 am-6:30 am

1 stop14h 50m

London Heathrow

Wed 8/19

7:40 am-4:55 pm

2 stops14h 15m

$737

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 typical price of a round-trip flight between New York LaGuardia Airport and London Heathrow Airport?

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 $516. If you’re not able to fly to London Heathrow Airport in October, 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 $688. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $741.

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 $661. 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 $734.

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

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 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
United AirlinesPriceFrom $361Free CancellationRating
7.4
9,831 reviews
Search United Airlines flights
Air CanadaPriceFrom $494Free CancellationRating
7.1
11,194 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
Dover
Hayes
Crawley
Croydon
Wembley
Stansted
Stratford-upon-Avon
Harrow
Slough
Brentwood
Watford
Cobham
Guildford
Folkestone
Uxbridge
Romford

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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