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Cheap flights from New York LaGuardia Airport to London from €244

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 8/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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
06:30 - 10:00
LGA
-
LHR
22h 30m
1 stop
United Airlines Logo
08:45 - 23:30
LHR
-
LGA
19h 45m
2 stops
€607United Airlines
Thu, 27 Aug - Sat, 29 Aug
United Airlines Logo
10:35 - 10:00
LGA
-
LHR
18h 25m
1 stop
United Airlines Logo
06:50 - 18:45
LHR
-
LGA
16h 55m
2 stops
€609United Airlines
Mon, 21 Sep - Wed, 23 Sep
United Airlines Logo
14:25 - 09:00
LGA
-
LHR
13h 35m
1 stop
United Airlines Logo
06:50 - 23:30
LHR
-
LGA
21h 40m
2 stops
€610United Airlines
Fri, 21 Aug - Sun, 23 Aug
United Airlines Logo
14:55 - 10:00
LGA
-
LHR
38h 05m
2 stops
United Airlines Logo
06:50 - 18:45
LHR
-
LGA
16h 55m
2 stops
€614United Airlines
Wed, 9 Sep - Sat, 12 Sep
United Airlines Logo
10:35 - 07:10
LGA
-
LHR
15h 35m
1 stop
United Airlines Logo
06:50 - 18:32
LHR
-
LGA
16h 42m
2 stops
€622United Airlines
Fri, 22 Jan - Sun, 24 Jan
United Airlines Logo
17:40 - 10:00
LGA
-
LHR
11h 20m
1 stop
United Airlines Logo
07:30 - 18:32
LHR
-
LGA
15h 02m
2 stops
€626United Airlines
Fri, 23 Oct - Sun, 25 Oct
United Airlines Logo
19:55 - 11:50
LGA
-
LHR
10h 55m
1 stop
United Airlines Logo
07:30 - 22:36
LHR
-
LGA
20h 06m
2 stops
€629United Airlines
Sat, 10 Oct - Mon, 12 Oct
Virgin Atlantic Logo
15:00 - 10:40
LGA
-
LHR
14h 40m
1 stop
Virgin Atlantic Logo
06:30 - 19:35
LHR
-
LGA
18h 05m
2 stops
€633Virgin Atlantic
Thu, 27 Aug - Sat, 29 Aug
Virgin Atlantic Logo
20:00 - 10:40
LGA
-
LHR
9h 40m
1 stop
Virgin Atlantic Logo
06:30 - 19:35
LHR
-
LGA
18h 05m
2 stops
€634Virgin Atlantic
Thu, 3 Sep - Sat, 5 Sep
Virgin Atlantic Logo
20:00 - 10:40
LGA
-
LHR
9h 40m
1 stop
Virgin Atlantic Logo
06:30 - 19:35
LHR
-
LGA
18h 05m
2 stops
€635Virgin Atlantic
Thu, 3 Sep - Sat, 5 Sep

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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
27 Aug
LGA06:30New York LaGuardia
22h 30m
1 stop
LHR10:00London Heathrow
29 Aug
LHR08:45London Heathrow
19h 45m
2 stops
LGA23:30New York LaGuardia
€607
United Airlines
21 Sept
LGA10:35New York LaGuardia
18h 25m
1 stop
LHR10:00London Heathrow
23 Sept
LHR06:50London Heathrow
16h 55m
2 stops
LGA18:45New York LaGuardia
€609
United Airlines
21 Aug
LGA14:25New York LaGuardia
13h 35m
1 stop
LHR09:00London Heathrow
23 Aug
LHR06:50London Heathrow
21h 40m
2 stops
LGA23:30New York LaGuardia
€610

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
27 Aug
LGA15:00New York LaGuardia
14h 40m
1 stop
LHR10:40London Heathrow
29 Aug
LHR06:30London Heathrow
18h 05m
2 stops
LGA19:35New York LaGuardia
€633
Virgin Atlantic
3 Sept
LGA20:00New York LaGuardia
9h 40m
1 stop
LHR10:40London Heathrow
5 Sept
LHR06:30London Heathrow
18h 05m
2 stops
LGA19:35New York LaGuardia
€634
Virgin Atlantic
3 Sept
LGA20:00New York LaGuardia
9h 40m
1 stop
LHR10:40London Heathrow
5 Sept
LHR06:30London Heathrow
18h 05m
2 stops
LGA19:35New York LaGuardia
€635

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 27 July 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 27/8

06:30-10:00

1 stop22h 30m

London Heathrow

Sat 29/8

08:45-23:30

2 stops19h 45m

€607

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 21/9

10:35-10:00

1 stop18h 25m

London Heathrow

Wed 23/9

06:50-18:45

2 stops16h 55m

€609

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 21/8

14:25-09:00

1 stop13h 35m

London Heathrow

Sun 23/8

06:50-23:30

2 stops21h 40m

€610

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 9/9

14:55-10:00

2 stops38h 05m

London Heathrow

Sat 12/9

06:50-18:45

2 stops16h 55m

€614

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 22/1

10:35-07:10

1 stop15h 35m

London Heathrow

Sun 24/1

06:50-18:32

2 stops16h 42m

€622
Fastest return journey

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 23/10

17:40-10:00

1 stop11h 20m

London Heathrow

Sun 25/10

07:30-18:32

2 stops15h 02m

€626

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 10/10

19:55-11:50

1 stop10h 55m

London Heathrow

Mon 12/10

07:30-22:36

2 stops20h 06m

€629

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 27/8

15:00-10:40

1 stop14h 40m

London Heathrow

Sat 29/8

06:30-19:35

2 stops18h 05m

€633

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 3/9

20:00-10:40

1 stop9h 40m

London Heathrow

Sat 5/9

06:30-19:35

2 stops18h 05m

€634

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 3/9

20:00-10:40

1 stop9h 40m

London Heathrow

Sat 5/9

06:30-19:35

2 stops18h 05m

€635

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 April is another great option to travel to London Heathrow Airport, with average flight prices from New York LaGuardia Airport averaging around €484.

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 €448. 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 €779.

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 €528. 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 €758 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 40m

Direct flights

None
The fastest flight from New York LaGuardia Airport to London Heathrow Airport takes 9h 40m
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 40m, 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
Harlow
Hounslow
Croydon
Shepperton
Luton
Watford
Slough
High Wycombe
Crawley
Northampton
Harrow
Ilford
Wembley
Bishop's Stortford
Newbury
Abingdon
Milton Keynes
Aylesbury
Stansted

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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