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Cheap flights from New York LaGuardia Airport to London from €150

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 18/11. 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

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
06:00 - 10:50LGA-LHR
23h 50m1 stop
United Airlines Logo
13:25 - 12:23LHR-LGA
27h 58m1 stop
€430United Airlines
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Mon, 1 Dec - Fri, 12 Dec
United Airlines Logo
06:00 - 10:50LGA-LHR
23h 50m1 stop
United Airlines Logo
13:25 - 11:57LHR-LGA
27h 32m1 stop
€431United Airlines
Find Deal
Thu, 11 Dec - Mon, 12 Jan
Multiple Airlines Logo
12:40 - 07:10LGA-LHR
13h 30m1 stop
Multiple Airlines Logo
09:00 - 21:32LHR-LGA
17h 32m2 stops
€434Multiple Airlines
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Sat, 17 Jan - Fri, 23 Jan
Multiple Airlines Logo
10:35 - 07:10LGA-LHR
15h 35m1 stop
Multiple Airlines Logo
09:00 - 21:32LHR-LGA
17h 32m2 stops
€435Multiple Airlines
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Wed, 14 Jan - Fri, 23 Jan
United Airlines Logo
15:20 - 07:10LGA-LHR
10h 50m1 stop
United Airlines Logo
09:00 - 23:44LHR-LGA
19h 44m2 stops
€435United Airlines
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Tue, 9 Dec - Tue, 16 Dec
United Airlines Logo
06:15 - 11:15LGA-LHR
24h 00m1 stop
United Airlines Logo
13:25 - 09:52LHR-LGA
25h 27m1 stop
€436United Airlines
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Fri, 12 Dec - Mon, 12 Jan
Virgin Atlantic Logo
16:00 - 09:00LGA-LHR
12h 00m1 stop
Virgin Atlantic Logo
09:00 - 19:36LHR-LGA
15h 36m2 stops
€441Virgin Atlantic
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Fri, 5 Dec - Sun, 7 Dec
Virgin Atlantic Logo
08:00 - 06:50LGA-LHR
17h 50m1 stop
Virgin Atlantic Logo
11:45 - 22:28LHR-LGA
15h 43m2 stops
€449Virgin Atlantic
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Thu, 27 Nov - Fri, 5 Dec
Delta Logo
14:59 - 06:50LGA-LHR
10h 51m1 stop
Delta Logo
09:40 - 17:25LHR-LGA
12h 45m1 stop
€461Delta
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Tue, 6 Jan - Mon, 30 Mar
Delta Logo
16:30 - 09:15LGA-LHR
11h 45m1 stop
Delta Logo
08:40 - 19:35LHR-LGA
15h 55m2 stops
€468Delta
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Tue, 5 May - Wed, 20 May

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
23 Nov
LGA17:00New York LaGuardia
9h 50m
1 stop
LHR07:50London Heathrow
28 Nov
LHR09:40London Heathrow
13h 50m
1 stop
LGA18:30New York LaGuardia
€454
Find similar
Delta
16 Nov
LGA21:00New York LaGuardia
9h 25m
1 stop
LHR11:25London Heathrow
24 Nov
LHR09:40London Heathrow
13h 53m
1 stop
LGA18:33New York LaGuardia
€455
Find similar
Delta
6 Jan
LGA14:59New York LaGuardia
10h 51m
1 stop
LHR06:50London Heathrow
30 Mar
LHR09:40London Heathrow
12h 45m
1 stop
LGA17:25New York LaGuardia
€461
Find similar

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
1 Dec
LGA06:00New York LaGuardia
23h 50m
1 stop
LHR10:50London Heathrow
12 Dec
LHR13:25London Heathrow
32h 34m
1 stop
LGA16:59New York LaGuardia
€430
Find similar
United Airlines
11 Dec
LGA06:00New York LaGuardia
23h 50m
1 stop
LHR10:50London Heathrow
14 Dec
LHR13:25London Heathrow
32h 34m
1 stop
LGA16:59New York LaGuardia
€431
Find similar
United Airlines
9 Dec
LGA15:20New York LaGuardia
10h 50m
1 stop
LHR07:10London Heathrow
16 Dec
LHR09:00London Heathrow
19h 44m
2 stops
LGA23:44New York LaGuardia
€435
Find similar

momondo Fare Finder

 
Customise 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 13,528 searches. Data last updated 11 November 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

Mon 1/12

06:00-10:50

1 stop23h 50m

London Heathrow

Fri 12/12

13:25-12:23

1 stop27h 58m

€430

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 11/12

06:00-10:50

1 stop23h 50m

London Heathrow

Mon 12/1

13:25-11:57

1 stop27h 32m

€431

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 17/1

12:40-07:10

1 stop13h 30m

London Heathrow

Fri 23/1

09:00-21:32

2 stops17h 32m

€434

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 14/1

10:35-07:10

1 stop15h 35m

London Heathrow

Fri 23/1

09:00-21:32

2 stops17h 32m

€435

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 9/12

15:20-07:10

1 stop10h 50m

London Heathrow

Tue 16/12

09:00-23:44

2 stops19h 44m

€435

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 12/12

06:15-11:15

1 stop24h 00m

London Heathrow

Mon 12/1

13:25-09:52

1 stop25h 27m

€436

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 5/12

16:00-09:00

1 stop12h 00m

London Heathrow

Sun 7/12

09:00-19:36

2 stops15h 36m

€441

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 27/11

08:00-06:50

1 stop17h 50m

London Heathrow

Fri 5/12

11:45-22:28

2 stops15h 43m

€449

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 6/1

14:59-06:50

1 stop10h 51m

London Heathrow

Mon 30/3

09:40-17:25

1 stop12h 45m

€461

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 5/5

16:30-09:15

1 stop11h 45m

London Heathrow

Wed 20/5

08:40-19:35

2 stops15h 55m

€468

Flights are sorted by cheapest return 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 March is another great option to travel to London Heathrow Airport, with average flight prices from New York LaGuardia Airport averaging around €416.

What is the cheapest day to depart on your flight to London Heathrow Airport?

The cheapest day to depart on your flight to London Heathrow Airport is on a Saturday when prices can be found for as low as €445. This is often the case because there is less demand to fly during this day of the week. On the other hand, Tuesday is the most expensive day to depart from New York LaGuardia Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €622.

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 afternoon. momondo users have found flights departing from New York LaGuardia Airport to London Heathrow Airport in the afternoon for as low as €497. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are €612 on average. Flights to London Heathrow Airport from New York LaGuardia Airport in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 return 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

Direct flights

None
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.
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  • How far is New York LaGuardia to London Heathrow by plane?

    A flight from New York LaGuardia to London Heathrow will travel around 5532.8 km. Flights usually cover this in 9h 50m, depending on flying conditions and air traffic around both airports.

  • 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 refresh daily.

  • 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 stopovers 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 travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Croydon
Southend-on-Sea
Watford
Gatwick
Surbiton
Northampton
Luton
Chichester
Bishop's Stortford
Chelmsford
Milton Keynes
Aylesbury
St. Albans
Stansted
Ilford
Dorking
High Wycombe
Abingdon
Dartford
Maidstone

Why use momondo?

Why should I use momondo to find a flight deal from New York to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from New York to London . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from New York to London with flexible booking policies on momondo?

Flights from New York to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from New York to London?

Once all potential New York to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from New York to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of New York to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your London Heathrow Airport trip

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