Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from New York LaGuardia Airport to London from €151

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 10/12. 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
0 bags
Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
06:05 - 07:10LGA-LHR
20h 05m1 stop
United Airlines Logo
06:35 - 19:03LHR-LGA
17h 28m2 stops
€435United Airlines
Find Deal
Wed, 10 Dec - Thu, 25 Dec
United Airlines Logo
06:05 - 07:10LGA-LHR
20h 05m1 stop
United Airlines Logo
06:35 - 19:03LHR-LGA
17h 28m2 stops
€436United Airlines
Find Deal
Wed, 10 Dec - Thu, 25 Dec
United Airlines Logo
06:00 - 10:50LGA-LHR
23h 50m1 stop
United Airlines Logo
18:00 - 11:58LHR-LGA
22h 58m1 stop
€437United Airlines
Find Deal
Wed, 10 Dec - Thu, 25 Dec
United Airlines Logo
06:00 - 10:50LGA-LHR
23h 50m1 stop
United Airlines Logo
13:25 - 11:57LHR-LGA
27h 32m1 stop
€438United Airlines
Find Deal
Sat, 10 Jan - Fri, 16 Jan
Multiple Airlines Logo
15:05 - 07:20LGA-LHR
11h 15m1 stop
Multiple Airlines Logo
11:45 - 19:21LHR-LGA
12h 36m1 stop
€439Multiple Airlines
Find Deal
Wed, 14 Jan - Sun, 25 Jan
Air Canada Logo
15:50 - 06:35LGA-LHR
9h 45m1 stop
Air Canada Logo
09:30 - 14:36LHR-LGA
10h 06m1 stop
€440Air Canada
Find Deal
Tue, 5 May - Fri, 8 May
United Airlines Logo
13:05 - 07:10LGA-LHR
13h 05m1 stop
United Airlines Logo
13:25 - 19:02LHR-LGA
10h 37m1 stop
€441United Airlines
Find Deal
Wed, 10 Dec - Thu, 15 Jan
United Airlines Logo
07:15 - 11:15LGA-LHR
23h 00m1 stop
United Airlines Logo
18:00 - 11:58LHR-LGA
22h 58m1 stop
€442United Airlines
Find Deal
Thu, 11 Dec - Thu, 25 Dec
United Airlines Logo
19:29 - 06:40LGA-LHR
30h 11m1 stop
United Airlines Logo
18:00 - 14:28LHR-LGA
25h 28m1 stop
€443United Airlines
Find Deal
Tue, 6 Jan - Sun, 18 Jan
United Airlines Logo
10:26 - 06:40LGA-LHR
15h 14m1 stop
United Airlines Logo
13:25 - 19:02LHR-LGA
10h 37m1 stop
€444United Airlines
Find Deal
Tue, 30 Dec - Sun, 11 Jan

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
10 Dec
LGA06:05New York LaGuardia
20h 05m
1 stop
LHR07:10London Heathrow
25 Dec
LHR06:35London Heathrow
17h 28m
2 stops
LGA19:03New York LaGuardia
€435
Find similar
United Airlines
10 Dec
LGA06:05New York LaGuardia
20h 05m
1 stop
LHR07:10London Heathrow
25 Dec
LHR06:35London Heathrow
17h 28m
2 stops
LGA19:03New York LaGuardia
€436
Find similar
United Airlines
10 Dec
LGA06:00New York LaGuardia
23h 50m
1 stop
LHR10:50London Heathrow
25 Dec
LHR18:00London Heathrow
22h 58m
1 stop
LGA11:58New York LaGuardia
€437
Find similar

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
12 Dec
LGA16:56New York LaGuardia
10h 49m
1 stop
LHR08:45London Heathrow
11 Jan
LHR09:40London Heathrow
12h 45m
1 stop
LGA17:25New York LaGuardia
€453
Find similar
Delta
12 Dec
LGA16:56New York LaGuardia
10h 49m
1 stop
LHR08:45London Heathrow
10 Jan
LHR13:05London Heathrow
12h 26m
1 stop
LGA20:31New York LaGuardia
€454
Find similar
Delta
30 Nov
LGA16:00New York LaGuardia
9h 50m
1 stop
LHR06:50London Heathrow
7 Dec
LHR09:40London Heathrow
11h 50m
1 stop
LGA16:30New York LaGuardia
€455
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 29 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

Wed 10/12

06:05-07:10

1 stop20h 05m

London Heathrow

Thu 25/12

06:35-19:03

2 stops17h 28m

€435

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 10/12

06:05-07:10

1 stop20h 05m

London Heathrow

Thu 25/12

06:35-19:03

2 stops17h 28m

€436

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 10/12

06:00-10:50

1 stop23h 50m

London Heathrow

Thu 25/12

18:00-11:58

1 stop22h 58m

€437

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 10/1

06:00-10:50

1 stop23h 50m

London Heathrow

Fri 16/1

13:25-11:57

1 stop27h 32m

€438

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 14/1

15:05-07:20

1 stop11h 15m

London Heathrow

Sun 25/1

11:45-19:21

1 stop12h 36m

€439

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 5/5

15:50-06:35

1 stop9h 45m

London Heathrow

Fri 8/5

09:30-14:36

1 stop10h 06m

€440

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 10/12

13:05-07:10

1 stop13h 05m

London Heathrow

Thu 15/1

13:25-19:02

1 stop10h 37m

€441

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 11/12

07:15-11:15

1 stop23h 00m

London Heathrow

Thu 25/12

18:00-11:58

1 stop22h 58m

€442

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 6/1

19:29-06:40

1 stop30h 11m

London Heathrow

Sun 18/1

18:00-14:28

1 stop25h 28m

€443

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 30/12

10:26-06:40

1 stop15h 14m

London Heathrow

Sun 11/1

13:25-19:02

1 stop10h 37m

€444

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 March is another great option to travel to London Heathrow Airport, with average flight prices from New York LaGuardia Airport averaging around €415.

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 €529. 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 €612.

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

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

  • 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 15m, 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
Surbiton
Northampton
Luton
Chichester
Gatwick
Chelmsford
Milton Keynes
Aylesbury
St. Albans
Stansted
Dorking
Ilford
Abingdon
High Wycombe
Dartford
Maidstone
Eastbourne

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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 29/12
Mon 5/1
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to London Stansted Airportfrom €34
Flights to London Gatwick Airportfrom €36
Flights to London Luton Airportfrom €34
Flights to London City Airportfrom €123
Flights to London Southend Airportfrom €116
Flights to Glasgow Intl Airportfrom €35
Flights to Belfast Intl Airportfrom €93
Flights to Belfast City Airportfrom €112