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Cheap flights from London to New York from $353

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to New York departing on 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Logo
2:00 pm - 8:30 pmLGW-LGA
35h 30m1 stop
Logo
9:59 am - 10:00 amLGA-LGW
19h 01m1 stop
$425
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Thu, Oct 9 - Tue, Oct 14
Logo
2:00 pm - 9:00 amLGW-LGA
24h 00m1 stop
Logo
6:30 am - 10:00 amLGA-LGW
22h 30m1 stop
$441
Find Deal
Mon, Sep 15 - Mon, Sep 22
Air Canada Logo
9:00 am - 7:03 pmLHR-LGA
14h 03m2 stops
Air Canada Logo
1:05 pm - 7:10 amLGA-LHR
13h 05m1 stop
$484Air Canada
Find Deal
Fri, Oct 31 - Tue, Nov 4
Air Canada Logo
9:00 am - 7:03 pmLHR-LGA
14h 03m2 stops
Air Canada Logo
1:05 pm - 7:10 amLGA-LHR
13h 05m1 stop
$485Air Canada
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Fri, Oct 31 - Tue, Nov 4
United Airlines Logo
9:00 am - 11:30 pmLHR-LGA
18h 30m2 stops
United Airlines Logo
2:55 pm - 6:40 amLGA-LHR
10h 45m1 stop
$490United Airlines
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Tue, Oct 28 - Tue, Dec 9
United Airlines Logo
1:30 pm - 8:02 amLHR-LGA
23h 32m2 stops
United Airlines Logo
11:20 am - 6:20 amLGA-LHR
14h 00m1 stop
$491United Airlines
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Tue, Sep 2 - Thu, Sep 25
British Airways Logo
8:55 am - 8:50 pmLHR-LGA
16h 55m1 stop
British Airways Logo
2:45 pm - 7:20 amLGA-LHR
11h 35m1 stop
$508British Airways
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Tue, Sep 16 - Tue, Oct 7
Lufthansa Logo
2:05 pm - 7:37 pmLHR-LGA
10h 32m1 stop
Lufthansa Logo
3:30 pm - 6:30 amLGA-LHR
10h 00m1 stop
$523Lufthansa
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Fri, Sep 26 - Sat, Oct 4
Lufthansa Logo
2:05 pm - 7:37 pmLHR-LGA
10h 32m1 stop
Lufthansa Logo
3:30 pm - 6:30 amLGA-LHR
10h 00m1 stop
$533Lufthansa
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Fri, Sep 26 - Sat, Oct 4
British Airways Logo
9:15 am - 4:29 pmLHR-LGA
12h 14m1 stop
British Airways Logo
5:05 pm - 7:20 amLGA-LHR
9h 15m1 stop
$535British Airways
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Sun, Aug 31 - Sat, Oct 18

Air Canada flights from London to New York LaGuardia Airport

Our best Air Canada deals on London to New York LaGuardia Airport flight tickets
Air Canada
Oct 31
LHR9:00 amLondon Heathrow
14h 03m
2 stops
LGA7:03 pmNew York LaGuardia
Nov 4
LGA1:05 pmNew York LaGuardia
13h 05m
1 stop
LHR7:10 amLondon Heathrow
$484
Find similar
Air Canada
Oct 31
LHR9:00 amLondon Heathrow
14h 03m
2 stops
LGA7:03 pmNew York LaGuardia
Nov 4
LGA1:05 pmNew York LaGuardia
13h 05m
1 stop
LHR7:10 amLondon Heathrow
$485
Find similar
Air Canada
Nov 22
LHR6:50 amLondon Heathrow
12h 52m
2 stops
LGA2:42 pmNew York LaGuardia
Dec 2
LGA7:45 pmNew York LaGuardia
30h 25m
1 stop
LHR7:10 amLondon Heathrow
$486
Find similar

United Airlines flights from London to New York LaGuardia Airport

Our best United Airlines deals on London to New York LaGuardia Airport flight tickets
United Airlines
Oct 28
LHR9:00 amLondon Heathrow
18h 30m
2 stops
LGA11:30 pmNew York LaGuardia
Dec 9
LGA2:55 pmNew York LaGuardia
10h 45m
1 stop
LHR6:40 amLondon Heathrow
$490
Find similar
United Airlines
Sep 2
LHR1:30 pmLondon Heathrow
23h 32m
2 stops
LGA8:02 amNew York LaGuardia
Sep 25
LGA11:20 amNew York LaGuardia
14h 00m
1 stop
LHR6:20 amLondon Heathrow
$491
Find similar
United Airlines
Sep 6
LHR7:25 amLondon Heathrow
16h 39m
2 stops
LGA7:04 pmNew York LaGuardia
Sep 13
LGA8:20 pmNew York LaGuardia
29h 10m
1 stop
LHR6:30 amLondon Heathrow
$495
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London to New York LaGuardia 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 832,500 searches. Data last updated August 20, 2025.
Use the filters below to find and compare flights from London to New York LaGuardia Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonNew York

LGW - LGA

LGWLGA

London Gatwick

Thu 10/9

2:00 pm-8:30 pm

1 stop35h 30m

New York LaGuardia

Tue 10/14

9:59 am-10:00 am

1 stop19h 01m

$425

LondonNew York

LGW - LGA

LGWLGA

London Gatwick

Mon 9/15

2:00 pm-9:00 am

1 stop24h 00m

New York LaGuardia

Mon 9/22

6:30 am-10:00 am

1 stop22h 30m

$441

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Fri 10/31

9:00 am-7:03 pm

2 stops14h 03m

New York LaGuardia

Tue 11/4

1:05 pm-7:10 am

1 stop13h 05m

$484

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Fri 10/31

9:00 am-7:03 pm

2 stops14h 03m

New York LaGuardia

Tue 11/4

1:05 pm-7:10 am

1 stop13h 05m

$485

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Tue 10/28

9:00 am-11:30 pm

2 stops18h 30m

New York LaGuardia

Tue 12/9

2:55 pm-6:40 am

1 stop10h 45m

$490

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Tue 9/2

1:30 pm-8:02 am

2 stops23h 32m

New York LaGuardia

Thu 9/25

11:20 am-6:20 am

1 stop14h 00m

$491

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Tue 9/16

8:55 am-8:50 pm

1 stop16h 55m

New York LaGuardia

Tue 10/7

2:45 pm-7:20 am

1 stop11h 35m

$508

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Fri 9/26

2:05 pm-7:37 pm

1 stop10h 32m

New York LaGuardia

Sat 10/4

3:30 pm-6:30 am

1 stop10h 00m

$523

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Fri 9/26

2:05 pm-7:37 pm

1 stop10h 32m

New York LaGuardia

Sat 10/4

3:30 pm-6:30 am

1 stop10h 00m

$533

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Sun 8/31

9:15 am-4:29 pm

1 stop12h 14m

New York LaGuardia

Sat 10/18

5:05 pm-7:20 am

1 stop9h 15m

$535

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from London to New York LaGuardia 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 London and New York LaGuardia Airport?

What is the cheapest month to fly to New York LaGuardia Airport?

The cheapest month to fly to New York LaGuardia Airport from London is in March. Flight prices, which tend to average around $519, are often lower during this time because this is during the off-season. If you don’t want to visit New York LaGuardia Airport in March, then you should wait until May to fly from London, when ticket prices are also cheap, with an average price of $528.

What is the cheapest day to depart on your flight to New York LaGuardia Airport?

The cheapest day to depart on your flight to New York LaGuardia Airport is on a Wednesday when prices can be found for as low as $552. This is often the case because there is less demand to fly during this day of the week. Flights from London to New York LaGuardia Airport on a Friday will generally be more expensive and average around $593. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to New York LaGuardia Airport?

Our data shows that the cheapest London to New York LaGuardia Airport flights are usually those with departure times in the afternoon. Our users have found flights to New York LaGuardia Airport in the afternoon for as low as $507. Flights in the morning are often more expensive with an average ticket price of $582.

How far in advance should I book a flight to New York LaGuardia Airport?

You are more likely to see cheaper flights to New York LaGuardia Airport from London when booking weeks ahead of your departure date. In general, you can expect to find flights to New York LaGuardia Airport for around $623 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to New York LaGuardia Airport from London for as low as $519 on momondo.

When to book flights from London to New York LaGuardia Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London to New York LaGuardia Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London to New York LaGuardia Airport (LON to LGA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to New York LaGuardia Airport

Best Price Found

$353

Fastest flight time

10h 15m

Direct flights

None
The best one-way flight to New York LaGuardia Airport from London in the past 72 hours is $353. The best round-trip flight deal from London to New York LaGuardia Airport found on momondo in the last 72 hours is $425.
The fastest flight from London to New York LaGuardia Airport takes 10h 15m
There are no direct flights from London to New York LaGuardia Airport. Popular non-direct routes for this connection are London Gatwick Airport - New York LaGuardia Airport, London Stansted Airport - New York LaGuardia Airport and London Luton Airport - New York LaGuardia Airport.
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  • How far is London to New York LaGuardia by plane?

    New York LaGuardia is 3450.9 mi away from London. A reasonable flight in good conditions will take 10h 15m.

  • When did momondo last update prices for flights from London to New York LaGuardia Airport?

    Prices for flights from London to New York LaGuardia Airport are refreshed on a daily basis.

  • How old do you have to be to fly from London to New York LaGuardia Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to New York LaGuardia Airport.

  • What documentation or ID do you need to fly to New York LaGuardia Airport?

    The travel and health documents required for your trip to New York LaGuardia 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 New York LaGuardia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Seaside Heights
Queens
Bronx
Yonkers
Pocono Manor
Asbury Park
Point Pleasant Beach
Beach Haven
Stamford
East Rutherford
Long Branch
Tannersville
Spring Lake
Wayne
Elizabeth
Parsippany
East Stroudsburg
Secaucus
Staten Island
Toms River

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to New York for you.

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

Yes. momondo allows you to filter the results for London to New York flights to just show those with flexible booking policies.

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

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 London to New York.

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

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

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