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Cheap flights from New York LaGuardia Airport to London from C$ 401

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 6/5. 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

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Find the cheapest flights from New York LaGuardia Airport to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
2:30 p.m. - 6:35 a.m.
LGA
-
LHR
11h 05m
1 stop
Lufthansa Logo
2:05 p.m. - 9:30 p.m.
LHR
-
LGA
12h 25m
1 stop
C$ 932Lufthansa
Sun, 19 Apr - Sun, 26 Apr
Lufthansa Logo
3:30 p.m. - 6:35 a.m.
LGA
-
LHR
10h 05m
1 stop
Lufthansa Logo
2:05 p.m. - 9:30 p.m.
LHR
-
LGA
12h 25m
1 stop
C$ 934Lufthansa
Tue, 21 Apr - Tue, 28 Apr
United Airlines Logo
6:00 a.m. - 10:40 a.m.
LGA
-
LHR
23h 40m
1 stop
United Airlines Logo
2:05 p.m. - 8:13 a.m.
LHR
-
LGA
23h 08m
1 stop
C$ 958United Airlines
Mon, 20 Apr - Mon, 27 Apr
United Airlines Logo
8:55 a.m. - 6:30 a.m.
LGA
-
LHR
16h 35m
1 stop
United Airlines Logo
2:05 p.m. - 2:08 p.m.
LHR
-
LGA
29h 03m
2 stops
C$ 963United Airlines
Tue, 7 Apr - Fri, 10 Apr
United Airlines Logo
6:00 a.m. - 10:40 a.m.
LGA
-
LHR
23h 40m
1 stop
United Airlines Logo
2:10 p.m. - 10:31 p.m.
LHR
-
LGA
37h 21m
2 stops
C$ 965United Airlines
Sat, 18 Apr - Sat, 25 Apr
United Airlines Logo
7:10 a.m. - 11:55 a.m.
LGA
-
LHR
23h 45m
1 stop
United Airlines Logo
2:05 p.m. - 9:51 a.m.
LHR
-
LGA
24h 46m
1 stop
C$ 966United Airlines
Thu, 9 Apr - Mon, 13 Apr
United Airlines Logo
7:25 p.m. - 10:40 a.m.
LGA
-
LHR
10h 15m
1 stop
United Airlines Logo
9:30 a.m. - 2:58 p.m.
LHR
-
LGA
10h 28m
1 stop
C$ 969United Airlines
Sun, 12 Apr - Sun, 19 Apr
United Airlines Logo
10:30 a.m. - 6:30 a.m.
LGA
-
LHR
15h 00m
1 stop
United Airlines Logo
7:25 a.m. - 7:01 p.m.
LHR
-
LGA
16h 36m
2 stops
C$ 970United Airlines
Sun, 12 Apr - Sat, 18 Apr
United Airlines Logo
4:00 p.m. - 10:00 a.m.
LGA
-
LHR
13h 00m
1 stop
United Airlines Logo
7:25 a.m. - 7:01 p.m.
LHR
-
LGA
16h 36m
2 stops
C$ 971United Airlines
Tue, 14 Apr - Sat, 18 Apr
United Airlines Logo
4:00 p.m. - 6:30 a.m.
LGA
-
LHR
9h 30m
1 stop
United Airlines Logo
6:55 a.m. - 6:44 p.m.
LHR
-
LGA
16h 49m
2 stops
C$ 973United Airlines
Fri, 3 Apr - Sat, 11 Apr

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
24 Mar
LGA5:00 p.m.New York LaGuardia
9h 50m
1 stop
LHR6:50 a.m.London Heathrow
31 Mar
LHR4:50 p.m.London Heathrow
20h 39m
1 stop
LGA8:29 a.m.New York LaGuardia
C$ 970
Virgin Atlantic
2 May
LGA5:30 p.m.New York LaGuardia
10h 45m
1 stop
LHR9:15 a.m.London Heathrow
8 May
LHR6:15 a.m.London Heathrow
16h 15m
2 stops
LGA5:30 p.m.New York LaGuardia
C$ 982
Virgin Atlantic
1 Apr
LGA3:00 p.m.New York LaGuardia
14h 40m
1 stop
LHR10:40 a.m.London Heathrow
25 Apr
LHR11:30 a.m.London Heathrow
16h 51m
2 stops
LGA11:21 p.m.New York LaGuardia
C$ 984

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
24 Mar
LGA2:59 p.m.New York LaGuardia
15h 51m
1 stop
LHR10:50 a.m.London Heathrow
31 Mar
LHR12:15 p.m.London Heathrow
11h 29m
1 stop
LGA6:44 p.m.New York LaGuardia
C$ 955
United Airlines
24 Mar
LGA2:59 p.m.New York LaGuardia
11h 41m
1 stop
LHR6:40 a.m.London Heathrow
31 Mar
LHR12:15 p.m.London Heathrow
11h 29m
1 stop
LGA6:44 p.m.New York LaGuardia
C$ 958
United Airlines
24 Mar
LGA12:40 p.m.New York LaGuardia
14h 30m
1 stop
LHR7:10 a.m.London Heathrow
31 Mar
LHR12:15 p.m.London Heathrow
16h 15m
1 stop
LGA11:30 p.m.New York LaGuardia
C$ 962

momondo Fare Finder

 
Customize 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 96,600 searches. Data last updated 24 March 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 round-trip

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 19/4

2:30 p.m.-6:35 a.m.

1 stop11h 05m

London Heathrow

Sun 26/4

2:05 p.m.-9:30 p.m.

1 stop12h 25m

C$ 932

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 21/4

3:30 p.m.-6:35 a.m.

1 stop10h 05m

London Heathrow

Tue 28/4

2:05 p.m.-9:30 p.m.

1 stop12h 25m

C$ 934

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 20/4

6:00 a.m.-10:40 a.m.

1 stop23h 40m

London Heathrow

Mon 27/4

2:05 p.m.-8:13 a.m.

1 stop23h 08m

C$ 958

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 7/4

8:55 a.m.-6:30 a.m.

1 stop16h 35m

London Heathrow

Fri 10/4

2:05 p.m.-2:08 p.m.

2 stops29h 03m

C$ 963

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 18/4

6:00 a.m.-10:40 a.m.

1 stop23h 40m

London Heathrow

Sat 25/4

2:10 p.m.-10:31 p.m.

2 stops37h 21m

C$ 965

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 9/4

7:10 a.m.-11:55 a.m.

1 stop23h 45m

London Heathrow

Mon 13/4

2:05 p.m.-9:51 a.m.

1 stop24h 46m

C$ 966
Quickest round-trip

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 12/4

7:25 p.m.-10:40 a.m.

1 stop10h 15m

London Heathrow

Sun 19/4

9:30 a.m.-2:58 p.m.

1 stop10h 28m

C$ 969

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 12/4

10:30 a.m.-6:30 a.m.

1 stop15h 00m

London Heathrow

Sat 18/4

7:25 a.m.-7:01 p.m.

2 stops16h 36m

C$ 970

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 14/4

4:00 p.m.-10:00 a.m.

1 stop13h 00m

London Heathrow

Sat 18/4

7:25 a.m.-7:01 p.m.

2 stops16h 36m

C$ 971

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 3/4

4:00 p.m.-6:30 a.m.

1 stop9h 30m

London Heathrow

Sat 11/4

6:55 a.m.-6:44 p.m.

2 stops16h 49m

C$ 973

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 August is, on average, the cheapest month to fly to London Heathrow Airport from New York LaGuardia Airport, with most prices found around C$ 694. If you aren’t able to travel to London Heathrow Airport during the month of August, then flying in November is also cheap. Prices for this month can be found on momondo for an average of C$ 726.

What is the cheapest day to depart on your flight to London Heathrow Airport?

According to our data, Thursday is the cheapest day to fly to London Heathrow Airport from New York LaGuardia Airport. The lowest ticket price found for a Thursday departure recently was C$ 915. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from New York LaGuardia Airport to London Heathrow Airport for around C$ 984.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

Our data shows that the cheapest New York LaGuardia Airport to London Heathrow Airport flights are usually those with departure times in the morning. Our users have found flights to London Heathrow Airport in the morning for as low as C$ 873. In the evening is when there is more demand to fly to London Heathrow Airport, so prices are often more expensive at around C$ 968 per ticket.

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 round-trip 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?

    The straight-line distance from New York LaGuardia to London Heathrow is 5532.8 km. 10h 05m is a normal flight duration for this route.

  • 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 are updated 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Poole
Wembley
Ilford
Slough
Swindon
Gatwick
Wokingham
Salisbury
Stratford-upon-Avon
Crawley
Feltham
Hayes
Waterlooville
Newport
Chelmsford
Basingstoke
Milton Keynes
Dover
Worthing

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?

Yes. All flights to London from New York on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from New York to London?

momondo helps you find the best flight between New York and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from New York to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for New York to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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