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Cheap flights from New York LaGuardia Airport to London from €293

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 20/8. 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.
Air Canada Logo
16:30 - 08:35
LGA
-
LHR
11h 05m
1 stop
Air Canada Logo
09:30 - 14:37
LHR
-
LGA
10h 07m
1 stop
€637Air Canada
Thu, 30 Apr - Sat, 9 May
Air Canada Logo
16:30 - 08:35
LGA
-
LHR
11h 05m
1 stop
Air Canada Logo
09:30 - 14:37
LHR
-
LGA
10h 07m
1 stop
€638Air Canada
Thu, 30 Apr - Sat, 9 May
United Airlines Logo
06:05 - 10:40
LGA
-
LHR
23h 35m
1 stop
United Airlines Logo
14:05 - 08:01
LHR
-
LGA
22h 56m
1 stop
€640United Airlines
Tue, 22 Sep - Tue, 6 Oct
United Airlines Logo
06:30 - 06:30
LGA
-
LHR
19h 00m
1 stop
United Airlines Logo
09:30 - 14:08
LHR
-
LGA
33h 38m
2 stops
€643United Airlines
Sat, 9 May - Sun, 17 May
United Airlines Logo
06:00 - 10:40
LGA
-
LHR
23h 40m
1 stop
United Airlines Logo
09:30 - 07:51
LHR
-
LGA
27h 21m
2 stops
€644United Airlines
Thu, 23 Apr - Mon, 27 Apr
United Airlines Logo
06:00 - 10:40
LGA
-
LHR
23h 40m
1 stop
United Airlines Logo
08:30 - 14:08
LHR
-
LGA
34h 38m
3 stops
€645United Airlines
Fri, 8 May - Fri, 15 May
United Airlines Logo
14:50 - 06:55
LGA
-
LHR
11h 05m
1 stop
United Airlines Logo
09:30 - 14:38
LHR
-
LGA
10h 08m
1 stop
€651United Airlines
Fri, 8 May - Fri, 15 May
United Airlines Logo
19:29 - 10:40
LGA
-
LHR
10h 11m
1 stop
United Airlines Logo
09:30 - 19:36
LHR
-
LGA
15h 06m
1 stop
€651United Airlines
Fri, 8 May - Fri, 15 May
United Airlines Logo
08:55 - 06:30
LGA
-
LHR
16h 35m
1 stop
United Airlines Logo
14:05 - 21:30
LHR
-
LGA
12h 25m
1 stop
€652United Airlines
Fri, 24 Apr - Mon, 27 Apr
United Airlines Logo
19:25 - 10:40
LGA
-
LHR
10h 15m
1 stop
United Airlines Logo
09:30 - 14:58
LHR
-
LGA
10h 28m
1 stop
€653United Airlines
Thu, 23 Apr - Sun, 26 Apr

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
22 Apr
LGA06:00New York LaGuardia
23h 40m
1 stop
LHR10:40London Heathrow
25 Apr
LHR09:30London Heathrow
29h 23m
1 stop
LGA09:53New York LaGuardia
€638
United Airlines
22 Sept
LGA06:05New York LaGuardia
23h 35m
1 stop
LHR10:40London Heathrow
6 Oct
LHR14:05London Heathrow
22h 56m
1 stop
LGA08:01New York LaGuardia
€640
United Airlines
22 Apr
LGA06:00New York LaGuardia
23h 40m
1 stop
LHR10:40London Heathrow
25 Apr
LHR14:10London Heathrow
28h 26m
2 stops
LGA13:36New York LaGuardia
€642

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
15 Aug
LGA15:30New York LaGuardia
10h 00m
1 stop
LHR06:30London Heathrow
19 Aug
LHR14:05London Heathrow
10h 32m
1 stop
LGA19:37New York LaGuardia
€654
Lufthansa
19 Aug
LGA15:30New York LaGuardia
10h 00m
1 stop
LHR06:30London Heathrow
31 Aug
LHR14:05London Heathrow
10h 32m
1 stop
LGA19:37New York LaGuardia
€695

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 13 April 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 return flight

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 30/4

16:30-08:35

1 stop11h 05m

London Heathrow

Sat 9/5

09:30-14:37

1 stop10h 07m

€637

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 30/4

16:30-08:35

1 stop11h 05m

London Heathrow

Sat 9/5

09:30-14:37

1 stop10h 07m

€638

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 22/9

06:05-10:40

1 stop23h 35m

London Heathrow

Tue 6/10

14:05-08:01

1 stop22h 56m

€640

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 9/5

06:30-06:30

1 stop19h 00m

London Heathrow

Sun 17/5

09:30-14:08

2 stops33h 38m

€643

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 23/4

06:00-10:40

1 stop23h 40m

London Heathrow

Mon 27/4

09:30-07:51

2 stops27h 21m

€644

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 8/5

06:00-10:40

1 stop23h 40m

London Heathrow

Fri 15/5

08:30-14:08

3 stops34h 38m

€645

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 8/5

14:50-06:55

1 stop11h 05m

London Heathrow

Fri 15/5

09:30-14:38

1 stop10h 08m

€651

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 8/5

19:29-10:40

1 stop10h 11m

London Heathrow

Fri 15/5

09:30-19:36

1 stop15h 06m

€651

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 24/4

08:55-06:30

1 stop16h 35m

London Heathrow

Mon 27/4

14:05-21:30

1 stop12h 25m

€652
Fastest return journey

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 23/4

19:25-10:40

1 stop10h 15m

London Heathrow

Sun 26/4

09:30-14:58

1 stop10h 28m

€653

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 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 November is another great option to travel to London Heathrow Airport, with average flight prices from New York LaGuardia Airport averaging around €452.

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 €435. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday 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 €599.

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 €527. 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 afternoon when prices are €599 on average. Flights to London Heathrow Airport from New York LaGuardia Airport in the afternoon 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

9h 45m

Direct flights

None
The fastest flight from New York LaGuardia Airport to London Heathrow Airport takes 9h 45m
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 5532.8 km. Flights usually cover this in 9h 45m, 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
Gatwick
Croydon
Hounslow
Shepperton
Surbiton
Slough
Watford
Luton
Northampton
Stansted
Harlow
Ilford
Dorking
Abingdon
Newbury
Milton Keynes
Aylesbury
Maidstone
St. Albans
Chichester

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.

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