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Cheap flights from New York LaGuardia Airport to London from £204

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 25/7. 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
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Find the cheapest flights from New York LaGuardia Airport to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:30 - 10:00
LGA
-
LHR
22h 30m
1 stop
Multiple Airlines Logo
21:10 - 22:35
LHR
-
LGA
30h 25m
3 stops
£539Multiple Airlines
Sun, 9 Aug - Mon, 17 Aug
Multiple Airlines Logo
10:40 - 10:00
LGA
-
LHR
18h 20m
1 stop
Multiple Airlines Logo
07:40 - 16:55
LHR
-
LGA
14h 15m
2 stops
£541Multiple Airlines
Mon, 10 Aug - Fri, 21 Aug
Multiple Airlines Logo
15:30 - 06:30
LGA
-
LHR
10h 00m
1 stop
Multiple Airlines Logo
21:10 - 16:55
LHR
-
LGA
24h 45m
2 stops
£542Multiple Airlines
Tue, 11 Aug - Mon, 24 Aug
Multiple Airlines Logo
15:30 - 06:30
LGA
-
LHR
10h 00m
1 stop
Multiple Airlines Logo
20:10 - 16:55
LHR
-
LGA
25h 45m
2 stops
£544Multiple Airlines
Fri, 14 Aug - Mon, 24 Aug
Multiple Airlines Logo
17:35 - 10:00
LGA
-
LHR
11h 25m
1 stop
Multiple Airlines Logo
20:10 - 16:55
LHR
-
LGA
25h 45m
2 stops
£545Multiple Airlines
Sun, 16 Aug - Mon, 24 Aug
Air Canada Logo
17:35 - 10:00
LGA
-
LHR
11h 25m
1 stop
Air Canada Logo
09:30 - 14:37
LHR
-
LGA
10h 07m
1 stop
£549Air Canada
Mon, 17 Aug - Wed, 26 Aug
Multiple Airlines Logo
14:30 - 06:35
LGA
-
LHR
11h 05m
1 stop
Multiple Airlines Logo
21:10 - 16:55
LHR
-
LGA
24h 45m
2 stops
£549Multiple Airlines
Thu, 20 Aug - Thu, 27 Aug
Multiple Airlines Logo
17:35 - 10:00
LGA
-
LHR
11h 25m
1 stop
Multiple Airlines Logo
15:50 - 16:55
LHR
-
LGA
30h 05m
2 stops
£552Multiple Airlines
Sun, 16 Aug - Thu, 20 Aug
Multiple Airlines Logo
08:45 - 10:00
LGA
-
LHR
20h 15m
1 stop
Multiple Airlines Logo
07:40 - 16:55
LHR
-
LGA
14h 15m
2 stops
£552Multiple Airlines
Thu, 3 Sep - Wed, 9 Sep
Lufthansa Logo
14:30 - 08:30
LGA
-
LHR
13h 00m
1 stop
Lufthansa Logo
06:30 - 20:58
LHR
-
LGA
19h 28m
2 stops
£553Lufthansa
Thu, 26 Nov - Sat, 28 Nov

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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
LGA16:00New York LaGuardia
13h 40m
1 stop
LHR10:40London Heathrow
29 Aug
LHR08:55London Heathrow
15h 40m
2 stops
LGA19:35New York LaGuardia
£560
Virgin Atlantic
13 Nov
LGA16:00New York LaGuardia
12h 00m
1 stop
LHR09:00London Heathrow
15 Nov
LHR08:55London Heathrow
16h 36m
2 stops
LGA20:31New York LaGuardia
£561
Virgin Atlantic
28 Jun
LGA20:00New York LaGuardia
32h 15m
1 stop
LHR09:15London Heathrow
16 Aug
LHR09:40London Heathrow
11h 50m
1 stop
LGA16:30New York LaGuardia
£700

Lufthansa flights from New York LaGuardia Airport to London Heathrow Airport

Our best Lufthansa deals on New York LaGuardia Airport to London Heathrow Airport flight tickets
Lufthansa
26 Nov
LGA14:30New York LaGuardia
13h 00m
1 stop
LHR08:30London Heathrow
28 Nov
LHR06:30London Heathrow
19h 28m
2 stops
LGA20:58New York LaGuardia
£553
Lufthansa
12 Aug
LGA15:30New York LaGuardia
36h 10m
2 stops
LHR08:40London Heathrow
15 Aug
LHR08:30London Heathrow
19h 05m
1 stop
LGA22:35New York LaGuardia
£563
Lufthansa
13 Aug
LGA14:30New York LaGuardia
15h 10m
2 stops
LHR10:40London Heathrow
15 Aug
LHR08:30London Heathrow
17h 29m
1 stop
LGA20:59New York LaGuardia
£567

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 279,928 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 return flight

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 9/8

06:30-10:00

1 stop22h 30m

London Heathrow

Mon 17/8

21:10-22:35

3 stops30h 25m

£539

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 10/8

10:40-10:00

1 stop18h 20m

London Heathrow

Fri 21/8

07:40-16:55

2 stops14h 15m

£541

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 11/8

15:30-06:30

1 stop10h 00m

London Heathrow

Mon 24/8

21:10-16:55

2 stops24h 45m

£542

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 14/8

15:30-06:30

1 stop10h 00m

London Heathrow

Mon 24/8

20:10-16:55

2 stops25h 45m

£544

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 16/8

17:35-10:00

1 stop11h 25m

London Heathrow

Mon 24/8

20:10-16:55

2 stops25h 45m

£545
Fastest return journey

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 17/8

17:35-10:00

1 stop11h 25m

London Heathrow

Wed 26/8

09:30-14:37

1 stop10h 07m

£549

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 20/8

14:30-06:35

1 stop11h 05m

London Heathrow

Thu 27/8

21:10-16:55

2 stops24h 45m

£549

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 16/8

17:35-10:00

1 stop11h 25m

London Heathrow

Thu 20/8

15:50-16:55

2 stops30h 05m

£552

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 3/9

08:45-10:00

1 stop20h 15m

London Heathrow

Wed 9/9

07:40-16:55

2 stops14h 15m

£552

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 26/11

14:30-08:30

1 stop13h 00m

London Heathrow

Sat 28/11

06:30-20:58

2 stops19h 28m

£553

Flights are sorted by cheapest return 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?

In general, October is the cheapest month to fly from New York LaGuardia Airport to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £390. 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 £400.

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

On average, the least expensive day to fly to London Heathrow Airport from New York LaGuardia Airport is on a Monday. momondo users have found tickets for Monday departures for as low as £409. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Friday is £489.

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 £437. 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 £465 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 01m

Direct flights

None
The fastest flight from New York LaGuardia Airport to London Heathrow Airport takes 9h 01m
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 distance between New York LaGuardia and London Heathrow is about 3438.0 mi. Flights usually cover this in 9h 01m, 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 were last updated today.

  • 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 layovers 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 license, 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
Eastbourne
Wembley
Milton Keynes
Gatwick
Luton
Stratford-upon-Avon
Slough
Southend-on-Sea
Maidstone
Northampton
Ipswich
Swindon
Ilford
Canterbury
Folkestone
Poole
Guildford
Hayes
Chichester
Bedford

Why use momondo?

Why should I use momondo to find a flight deal from New York to London?

Finding the right flight to London from New York is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from New York to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from New York with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from New York to London.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from New York and alert you when they change.

An easier way to manage your London Heathrow Airport trip

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