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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 18/7. 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 round-trip flights

Enter your travel dates to find the best prices.
Virgin Atlantic Logo
4:00 p.m. - 10:40 a.m.
LGA
-
LHR
13h 40m
1 stop
Virgin Atlantic Logo
8:55 a.m. - 7:35 p.m.
LHR
-
LGA
15h 40m
2 stops
C$ 1,050Virgin Atlantic
Thu, 27 Aug - Sat, 29 Aug
Virgin Atlantic Logo
4:00 p.m. - 9:00 a.m.
LGA
-
LHR
12h 00m
1 stop
Virgin Atlantic Logo
8:55 a.m. - 8:31 p.m.
LHR
-
LGA
16h 36m
2 stops
C$ 1,051Virgin Atlantic
Fri, 13 Nov - Sun, 15 Nov
United Airlines Logo
3:30 p.m. - 10:00 a.m.
LGA
-
LHR
13h 30m
1 stop
United Airlines Logo
7:30 a.m. - 6:32 p.m.
LHR
-
LGA
15h 02m
2 stops
C$ 1,087United Airlines
Fri, 23 Oct - Sun, 25 Oct
United Airlines Logo
6:00 a.m. - 10:40 a.m.
LGA
-
LHR
23h 40m
1 stop
United Airlines Logo
9:30 a.m. - 9:47 a.m.
LHR
-
LGA
29h 17m
1 stop
C$ 1,115United Airlines
Sat, 15 Aug - Fri, 28 Aug
United Airlines Logo
6:00 a.m. - 10:40 a.m.
LGA
-
LHR
23h 40m
1 stop
United Airlines Logo
2:05 p.m. - 2:36 p.m.
LHR
-
LGA
29h 31m
1 stop
C$ 1,118United Airlines
Sun, 11 Oct - Thu, 15 Oct
Multiple Airlines Logo
6:00 a.m. - 10:40 a.m.
LGA
-
LHR
23h 40m
1 stop
Multiple Airlines Logo
9:30 a.m. - 12:12 p.m.
LHR
-
LGA
31h 42m
2 stops
C$ 1,119Multiple Airlines
Sat, 15 Aug - Sun, 23 Aug
Multiple Airlines Logo
3:30 p.m. - 7:10 a.m.
LGA
-
LHR
10h 40m
1 stop
Multiple Airlines Logo
6:00 a.m. - 4:57 p.m.
LHR
-
LGA
15h 57m
2 stops
C$ 1,121Multiple Airlines
Thu, 5 Nov - Thu, 19 Nov
United Airlines Logo
7:29 p.m. - 6:55 a.m.
LGA
-
LHR
30h 26m
1 stop
United Airlines Logo
12:40 p.m. - 2:59 p.m.
LHR
-
LGA
31h 19m
2 stops
C$ 1,122United Airlines
Thu, 20 Aug - Sun, 23 Aug
United Airlines Logo
6:00 a.m. - 10:40 a.m.
LGA
-
LHR
23h 40m
1 stop
United Airlines Logo
5:40 p.m. - 10:55 a.m.
LHR
-
LGA
22h 15m
1 stop
C$ 1,125United Airlines
Sat, 15 Aug - Fri, 21 Aug
United Airlines Logo
7:20 a.m. - 11:55 a.m.
LGA
-
LHR
23h 35m
1 stop
United Airlines Logo
9:30 a.m. - 8:00 a.m.
LHR
-
LGA
27h 30m
1 stop
C$ 1,126United Airlines
Sat, 22 Aug - Wed, 2 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
23 Oct
LGA3:30 p.m.New York LaGuardia
13h 30m
1 stop
LHR10:00 a.m.London Heathrow
25 Oct
LHR7:30 a.m.London Heathrow
15h 02m
2 stops
LGA6:32 p.m.New York LaGuardia
C$ 1,087
United Airlines
15 Aug
LGA6:00 a.m.New York LaGuardia
23h 40m
1 stop
LHR10:40 a.m.London Heathrow
28 Aug
LHR9:30 a.m.London Heathrow
29h 17m
1 stop
LGA9:47 a.m.New York LaGuardia
C$ 1,115
United Airlines
11 Oct
LGA6:00 a.m.New York LaGuardia
23h 40m
1 stop
LHR10:40 a.m.London Heathrow
15 Oct
LHR2:05 p.m.London Heathrow
29h 31m
1 stop
LGA2:36 p.m.New York LaGuardia
C$ 1,118

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
LGA4:00 p.m.New York LaGuardia
13h 40m
1 stop
LHR10:40 a.m.London Heathrow
29 Aug
LHR8:55 a.m.London Heathrow
15h 40m
2 stops
LGA7:35 p.m.New York LaGuardia
C$ 1,050
Virgin Atlantic
13 Nov
LGA4:00 p.m.New York LaGuardia
12h 00m
1 stop
LHR9:00 a.m.London Heathrow
15 Nov
LHR8:55 a.m.London Heathrow
16h 36m
2 stops
LGA8:31 p.m.New York LaGuardia
C$ 1,051
Virgin Atlantic
29 Jun
LGA3:00 p.m.New York LaGuardia
10h 45m
1 stop
LHR6:45 a.m.London Heathrow
30 Jun
LHR6:55 p.m.London Heathrow
17h 25m
1 stop
LGA7:20 a.m.New York LaGuardia
C$ 1,100

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 23 June 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

Thu 27/8

4:00 p.m.-10:40 a.m.

1 stop13h 40m

London Heathrow

Sat 29/8

8:55 a.m.-7:35 p.m.

2 stops15h 40m

C$ 1,050

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 13/11

4:00 p.m.-9:00 a.m.

1 stop12h 00m

London Heathrow

Sun 15/11

8:55 a.m.-8:31 p.m.

2 stops16h 36m

C$ 1,051

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 23/10

3:30 p.m.-10:00 a.m.

1 stop13h 30m

London Heathrow

Sun 25/10

7:30 a.m.-6:32 p.m.

2 stops15h 02m

C$ 1,087

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 15/8

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

1 stop23h 40m

London Heathrow

Fri 28/8

9:30 a.m.-9:47 a.m.

1 stop29h 17m

C$ 1,115

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 11/10

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

1 stop23h 40m

London Heathrow

Thu 15/10

2:05 p.m.-2:36 p.m.

1 stop29h 31m

C$ 1,118

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 15/8

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

1 stop23h 40m

London Heathrow

Sun 23/8

9:30 a.m.-12:12 p.m.

2 stops31h 42m

C$ 1,119
Quickest round-trip

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 5/11

3:30 p.m.-7:10 a.m.

1 stop10h 40m

London Heathrow

Thu 19/11

6:00 a.m.-4:57 p.m.

2 stops15h 57m

C$ 1,121

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 20/8

7:29 p.m.-6:55 a.m.

1 stop30h 26m

London Heathrow

Sun 23/8

12:40 p.m.-2:59 p.m.

2 stops31h 19m

C$ 1,122

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 15/8

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

1 stop23h 40m

London Heathrow

Fri 21/8

5:40 p.m.-10:55 a.m.

1 stop22h 15m

C$ 1,125

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 22/8

7:20 a.m.-11:55 a.m.

1 stop23h 35m

London Heathrow

Wed 2/9

9:30 a.m.-8:00 a.m.

1 stop27h 30m

C$ 1,126

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 October is, on average, the cheapest month to fly to London Heathrow Airport from New York LaGuardia Airport, with most prices found around C$ 731. If you aren’t able to travel to London Heathrow Airport during the month of October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of C$ 750.

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

According to our data, Monday is the cheapest day to fly to London Heathrow Airport from New York LaGuardia Airport. The lowest ticket price found for a Monday departure recently was C$ 978. 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 Tuesday, 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$ 1,054.

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$ 952. In the afternoon is when there is more demand to fly to London Heathrow Airport, so prices are often more expensive at around C$ 1,015 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

9h 00m

Direct flights

None
The fastest flight from New York LaGuardia Airport to London Heathrow Airport takes 9h 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?

    The straight-line distance from New York LaGuardia to London Heathrow is 5532.8 km. 9h 00m 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
Stratford-upon-Avon
Poole
Milton Keynes
Northampton
Wembley
Slough
Gatwick
Ramsgate
Kenilworth
Swindon
Wokingham
Salisbury
Crawley
Hayes
Feltham
Richmond
Chelmsford
Waterlooville
Basingstoke

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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