Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from New York LaGuardia Airport to London from €256

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 4/9. 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
06:00 - 10:40
LGA
-
LHR
23h 40m
1 stop
United Airlines Logo
14:05 - 14:37
LHR
-
LGA
29h 32m
1 stop
€679United Airlines
Tue, 11 Aug - Sat, 22 Aug
United Airlines Logo
17:40 - 06:30
LGA
-
LHR
31h 50m
1 stop
United Airlines Logo
14:05 - 23:22
LHR
-
LGA
38h 17m
2 stops
€681United Airlines
Thu, 10 Sep - Thu, 24 Sep
United Airlines Logo
06:00 - 10:40
LGA
-
LHR
23h 40m
1 stop
United Airlines Logo
12:40 - 13:35
LHR
-
LGA
29h 55m
2 stops
€683United Airlines
Tue, 18 Aug - Wed, 26 Aug
Air Canada Logo
17:40 - 10:00
LGA
-
LHR
11h 20m
1 stop
Air Canada Logo
09:30 - 14:37
LHR
-
LGA
10h 07m
1 stop
€686Air Canada
Sat, 15 Aug - Fri, 21 Aug
United Airlines Logo
08:45 - 10:00
LGA
-
LHR
20h 15m
1 stop
United Airlines Logo
07:25 - 19:01
LHR
-
LGA
16h 36m
2 stops
€687United Airlines
Mon, 12 Oct - Sat, 17 Oct
United Airlines Logo
15:30 - 06:30
LGA
-
LHR
10h 00m
1 stop
United Airlines Logo
06:55 - 18:45
LHR
-
LGA
16h 50m
2 stops
€688United Airlines
Sat, 22 Aug - Sat, 29 Aug
United Airlines Logo
15:30 - 10:00
LGA
-
LHR
13h 30m
1 stop
United Airlines Logo
07:25 - 18:45
LHR
-
LGA
16h 20m
2 stops
€689United Airlines
Mon, 24 Aug - Tue, 1 Sep
United Airlines Logo
15:30 - 10:00
LGA
-
LHR
13h 30m
1 stop
United Airlines Logo
06:50 - 18:32
LHR
-
LGA
16h 42m
2 stops
€690United Airlines
Thu, 30 Jul - Wed, 25 Nov
United Airlines Logo
14:51 - 06:55
LGA
-
LHR
11h 04m
1 stop
United Airlines Logo
09:30 - 14:37
LHR
-
LGA
10h 07m
1 stop
€691United Airlines
Sat, 25 Jul - Sun, 23 Aug
Air Canada Logo
15:30 - 06:30
LGA
-
LHR
10h 00m
1 stop
Air Canada Logo
09:30 - 14:37
LHR
-
LGA
10h 07m
1 stop
€692Air Canada
Fri, 14 Aug - Fri, 21 Aug

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 Aug
LGA20:00New York LaGuardia
9h 40m
1 stop
LHR10:40London Heathrow
6 Sept
LHR16:20London Heathrow
11h 01m
1 stop
LGA22:21New York LaGuardia
€700
Delta
17 Aug
LGA18:00New York LaGuardia
10h 15m
1 stop
LHR09:15London Heathrow
19 Aug
LHR09:40London Heathrow
10h 40m
1 stop
LGA15:20New York LaGuardia
€701
Delta
5 Jun
LGA20:00New York LaGuardia
9h 40m
1 stop
LHR10:40London Heathrow
18 Nov
LHR09:40London Heathrow
11h 46m
1 stop
LGA16:26New York LaGuardia
€895

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
11 Aug
LGA06:00New York LaGuardia
23h 40m
1 stop
LHR10:40London Heathrow
22 Aug
LHR14:05London Heathrow
29h 32m
1 stop
LGA14:37New York LaGuardia
€679
United Airlines
10 Sept
LGA17:40New York LaGuardia
31h 50m
1 stop
LHR06:30London Heathrow
24 Sept
LHR14:05London Heathrow
38h 17m
2 stops
LGA23:22New York LaGuardia
€681
United Airlines
18 Aug
LGA06:00New York LaGuardia
23h 40m
1 stop
LHR10:40London Heathrow
26 Aug
LHR12:40London Heathrow
29h 55m
2 stops
LGA13:35New York LaGuardia
€683

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 28 May 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

Tue 11/8

06:00-10:40

1 stop23h 40m

London Heathrow

Sat 22/8

14:05-14:37

1 stop29h 32m

€679

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 10/9

17:40-06:30

1 stop31h 50m

London Heathrow

Thu 24/9

14:05-23:22

2 stops38h 17m

€681

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 18/8

06:00-10:40

1 stop23h 40m

London Heathrow

Wed 26/8

12:40-13:35

2 stops29h 55m

€683

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 15/8

17:40-10:00

1 stop11h 20m

London Heathrow

Fri 21/8

09:30-14:37

1 stop10h 07m

€686

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 12/10

08:45-10:00

1 stop20h 15m

London Heathrow

Sat 17/10

07:25-19:01

2 stops16h 36m

€687

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 22/8

15:30-06:30

1 stop10h 00m

London Heathrow

Sat 29/8

06:55-18:45

2 stops16h 50m

€688

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 24/8

15:30-10:00

1 stop13h 30m

London Heathrow

Tue 1/9

07:25-18:45

2 stops16h 20m

€689

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 30/7

15:30-10:00

1 stop13h 30m

London Heathrow

Wed 25/11

06:50-18:32

2 stops16h 42m

€690

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 25/7

14:51-06:55

1 stop11h 04m

London Heathrow

Sun 23/8

09:30-14:37

1 stop10h 07m

€691
Fastest return journey

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 14/8

15:30-06:30

1 stop10h 00m

London Heathrow

Fri 21/8

09:30-14:37

1 stop10h 07m

€692

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 €455.

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 €438. 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 €705.

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 €474. 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 €570 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 00m

Direct flights

None
The fastest flight from New York LaGuardia Airport to London Heathrow Airport takes 10h 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 5532.8 km. Flights usually cover this in 10h 00m, 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
Watford
Slough
Ilford
Luton
Bishop's Stortford
Northampton
Stansted
Harlow
Abingdon
Newbury
Maidstone
Milton Keynes
Aylesbury
St. Albans
Staines-upon-Thames
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.

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
Sat 27/6
Sat 4/7
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 Gatwick Airportfrom €33
Flights to London Luton Airportfrom €30
Flights to London Stansted Airportfrom €31
Flights to London City Airportfrom €150
Flights to London Southend Airportfrom €177
Flights to Glasgow Intl Airportfrom €33
Flights to Belfast Intl Airportfrom €82
Flights to Belfast City Airportfrom €126