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Cheap flights from New York LaGuardia Airport to London from €177

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 10/3. 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 return flights

Enter your travel dates to find the best prices.
United Airlines Logo
19:29 - 06:40
LGA
-
LHR
30h 11m
1 stop
United Airlines Logo
13:25 - 11:57
LHR
-
LGA
27h 32m
1 stop
€437United Airlines
Sat, 21 Feb - Sun, 1 Mar
United Airlines Logo
06:00 - 10:50
LGA
-
LHR
24h 50m
1 stop
United Airlines Logo
13:25 - 09:53
LHR
-
LGA
24h 28m
1 stop
€437United Airlines
Sun, 8 Mar - Sun, 15 Mar
United Airlines Logo
06:00 - 10:50
LGA
-
LHR
23h 50m
1 stop
United Airlines Logo
17:40 - 19:01
LHR
-
LGA
30h 21m
1 stop
€441United Airlines
Sun, 1 Mar - Tue, 31 Mar
United Airlines Logo
19:29 - 06:40
LGA
-
LHR
30h 11m
1 stop
United Airlines Logo
18:00 - 19:03
LHR
-
LGA
29h 03m
1 stop
€442United Airlines
Sat, 7 Mar - Sat, 14 Mar
United Airlines Logo
11:15 - 05:55
LGA
-
LHR
13h 40m
1 stop
United Airlines Logo
09:00 - 09:44
LHR
-
LGA
29h 44m
2 stops
€442United Airlines
Fri, 20 Feb - Thu, 26 Feb
United Airlines Logo
06:00 - 07:10
LGA
-
LHR
20h 10m
2 stops
United Airlines Logo
09:00 - 09:44
LHR
-
LGA
29h 44m
2 stops
€446United Airlines
Fri, 20 Feb - Thu, 26 Feb
United Airlines Logo
14:59 - 06:40
LGA
-
LHR
10h 41m
1 stop
United Airlines Logo
13:25 - 19:02
LHR
-
LGA
10h 37m
1 stop
€448United Airlines
Fri, 20 Feb - Fri, 27 Feb
United Airlines Logo
14:59 - 06:40
LGA
-
LHR
10h 41m
1 stop
United Airlines Logo
13:25 - 19:02
LHR
-
LGA
10h 37m
1 stop
€449United Airlines
Fri, 20 Feb - Fri, 27 Feb
United Airlines Logo
08:05 - 05:55
LGA
-
LHR
16h 50m
1 stop
United Airlines Logo
06:50 - 18:41
LHR
-
LGA
16h 51m
2 stops
€450United Airlines
Sun, 1 Mar - Fri, 6 Mar
United Airlines Logo
15:20 - 07:10
LGA
-
LHR
10h 50m
1 stop
United Airlines Logo
13:25 - 19:02
LHR
-
LGA
10h 37m
1 stop
€451United Airlines
Thu, 19 Feb - Tue, 24 Feb

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
21 Feb
LGA19:29New York LaGuardia
30h 11m
1 stop
LHR06:40London Heathrow
1 Mar
LHR13:25London Heathrow
27h 32m
1 stop
LGA11:57New York LaGuardia
€437
United Airlines
8 Mar
LGA06:00New York LaGuardia
24h 50m
1 stop
LHR10:50London Heathrow
15 Mar
LHR13:25London Heathrow
24h 28m
1 stop
LGA09:53New York LaGuardia
€437
United Airlines
11 Feb
LGA06:00New York LaGuardia
23h 50m
1 stop
LHR10:50London Heathrow
15 Feb
LHR09:00London Heathrow
28h 07m
2 stops
LGA08:07New York LaGuardia
€441

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
26 Feb
LGA14:59New York LaGuardia
15h 41m
1 stop
LHR11:40London Heathrow
7 Mar
LHR06:30London Heathrow
16h 54m
2 stops
LGA18:24New York LaGuardia
€453
Virgin Atlantic
28 Feb
LGA15:00New York LaGuardia
15h 40m
1 stop
LHR11:40London Heathrow
7 Mar
LHR06:30London Heathrow
16h 54m
2 stops
LGA18:24New York LaGuardia
€453
Virgin Atlantic
19 Feb
LGA14:59New York LaGuardia
10h 51m
1 stop
LHR06:50London Heathrow
28 Feb
LHR06:20London Heathrow
17h 04m
2 stops
LGA18:24New York LaGuardia
€516

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 9 February 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

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 21/2

19:29-06:40

1 stop30h 11m

London Heathrow

Sun 1/3

13:25-11:57

1 stop27h 32m

€437

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 8/3

06:00-10:50

1 stop24h 50m

London Heathrow

Sun 15/3

13:25-09:53

1 stop24h 28m

€437

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 1/3

06:00-10:50

1 stop23h 50m

London Heathrow

Tue 31/3

17:40-19:01

1 stop30h 21m

€441

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 7/3

19:29-06:40

1 stop30h 11m

London Heathrow

Sat 14/3

18:00-19:03

1 stop29h 03m

€442

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 20/2

11:15-05:55

1 stop13h 40m

London Heathrow

Thu 26/2

09:00-09:44

2 stops29h 44m

€442

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 20/2

06:00-07:10

2 stops20h 10m

London Heathrow

Thu 26/2

09:00-09:44

2 stops29h 44m

€446

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 20/2

14:59-06:40

1 stop10h 41m

London Heathrow

Fri 27/2

13:25-19:02

1 stop10h 37m

€448

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 20/2

14:59-06:40

1 stop10h 41m

London Heathrow

Fri 27/2

13:25-19:02

1 stop10h 37m

€449

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 1/3

08:05-05:55

1 stop16h 50m

London Heathrow

Fri 6/3

06:50-18:41

2 stops16h 51m

€450

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 19/2

15:20-07:10

1 stop10h 50m

London Heathrow

Tue 24/2

13:25-19:02

1 stop10h 37m

€451

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 September is another great option to travel to London Heathrow Airport, with average flight prices from New York LaGuardia Airport averaging around €449.

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 Monday when prices can be found for as low as €431. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday 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 €600.

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 €466. 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 €598 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

Fastest flight time

10h 05m

Direct flights

None
The fastest flight from New York LaGuardia Airport to London Heathrow Airport takes 10h 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

  • 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 10h 05m, 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
Gatwick
Shepperton
Surbiton
Watford
Southend-on-Sea
Slough
Luton
Northampton
Chichester
Chelmsford
Milton Keynes
Aylesbury
Dorking
Abingdon
St. Albans
Dartford
Stansted
Maidstone
Harlow

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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