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Cheap flights from New York LaGuardia Airport, NY to London from C$ 393

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — LON
10 May — 17 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from LaGuardia to London

Enter your travel dates to find the best prices.

Cheapest flights from LaGuardia to London
Explore the most affordable flight options available from LaGuardia to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 April 2026.

Tue 5/58:15 p.m.
LGA
-
LGW
1 stop32h 45m
Multiple Airlines
Wed 27/52:00 p.m.
LGW
-
LGA
1 stop29h 00m
Multiple Airlines
Deal found 10/4C$ 1,017
Tue 5/58:15 p.m.
LGA
-
LGW
1 stop32h 45m
Multiple Airlines
Thu 28/52:00 p.m.
LGW
-
LGA
1 stop29h 00m
Multiple Airlines
Deal found 10/4C$ 1,028
Sat 2/56:00 a.m.
LGA
-
LHR
1 stop23h 40m
United Airlines
Fri 8/52:05 p.m.
LHR
-
LGA
1 stop29h 32m
United Airlines
Deal found 5/4C$ 1,033
Tue 5/58:15 p.m.
LGA
-
LGW
1 stop32h 45m
Multiple Airlines
Wed 13/52:00 p.m.
LGW
-
LGA
1 stop29h 00m
Multiple Airlines
Deal found 9/4C$ 1,036
Fri 24/46:00 a.m.
LGA
-
LHR
1 stop23h 40m
United Airlines
Mon 27/42:05 p.m.
LHR
-
LGA
1 stop24h 46m
United Airlines
Deal found 10/4C$ 1,038
Wed 6/57:00 a.m.
LGA
-
LGW
1 stop22h 00m
Multiple Airlines
Wed 13/52:00 p.m.
LGW
-
LGA
1 stop29h 00m
Multiple Airlines
Deal found 10/4C$ 1,039
Mon 6/46:00 a.m.
LGA
-
LHR
1 stop23h 40m
United Airlines
Sat 11/42:10 p.m.
LHR
-
LGA
2 stops35h 22m
United Airlines
Deal found 5/4C$ 1,040
Thu 9/48:20 p.m.
LGA
-
LHR
1 stop29h 25m
United Airlines
Wed 15/42:05 p.m.
LHR
-
LGA
1 stop24h 46m
United Airlines
Deal found 9/4C$ 1,042
Thu 16/42:49 p.m.
LGA
-
LHR
1 stop14h 51m
United Airlines
Mon 20/42:05 p.m.
LHR
-
LGA
2 stops33h 39m
United Airlines
Deal found 10/4C$ 1,043
Mon 17/86:05 a.m.
LGA
-
LHR
1 stop23h 35m
United Airlines
Thu 27/812:40 p.m.
LHR
-
LGA
2 stops27h 15m
United Airlines
Deal found 10/4C$ 1,045
Thu 1/1010:29 a.m.
LGA
-
LHR
1 stop15h 26m
United Airlines
Mon 19/102:05 p.m.
LHR
-
LGA
1 stop12h 25m
United Airlines
Deal found 6/4C$ 1,049
Thu 9/42:49 p.m.
LGA
-
LHR
1 stop11h 06m
United Airlines
Fri 17/49:30 a.m.
LHR
-
LGA
1 stop12h 28m
United Airlines
Deal found 6/4C$ 1,050

Find flight deals from LaGuardia to London

Discover tips and strategies to find the most affordable flight options for your journey from LaGuardia (LGA) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 10 April 2026.

Round-trip from

C$ 1,033

One-way from

C$ 393

Popular in

December

Cheapest in

February

Average price

C$ 862
United Airlines
  • United Airlines
  • 2/5-16/5
  • 2 total stops
  • 51h 11m total
  • New York to London
Search Deals
British Airways
  • British Airways
  • 5/5
  • 1 total stop
  • 12h 30m total
  • New York to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from LaGuardia to London 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, Cheapflights users made 629,999 searches. Data last updated 10 April 2026.
Use the filters below to find and compare flights from New York LaGuardia Airport to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 2/5

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

1 stop23h 40m

London Heathrow

Fri 8/5

2:05 p.m.-2:37 p.m.

1 stop29h 32m

C$ 1,033

New YorkLondon

LGA - LGW

LGALGW

New York LaGuardia

Wed 6/5

7:00 a.m.-10:00 a.m.

1 stop22h 00m

London Gatwick

Wed 13/5

2:00 p.m.-2:00 p.m.

1 stop29h 00m

C$ 1,039
Quickest round-trip

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 6/10

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

1 stop10h 00m

London Heathrow

Wed 14/10

2:05 p.m.-7:36 p.m.

1 stop10h 31m

C$ 1,056

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 11/9

4:00 p.m.-6:35 a.m.

1 stop9h 35m

London Heathrow

Tue 15/9

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

1 stop12h 25m

C$ 1,063

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 6/5

1:10 p.m.-6:45 a.m.

1 stop12h 35m

London Heathrow

Wed 13/5

9:30 a.m.-2:38 p.m.

1 stop10h 08m

C$ 1,122

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 3/10

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

1 stop10h 00m

London Heathrow

Fri 16/10

2:05 p.m.-7:36 p.m.

1 stop10h 31m

C$ 1,125

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 3/10

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

1 stop10h 00m

London Heathrow

Mon 19/10

2:05 p.m.-7:36 p.m.

1 stop10h 31m

C$ 1,125

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 3/10

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

1 stop10h 00m

London Heathrow

Wed 14/10

2:05 p.m.-7:36 p.m.

1 stop10h 31m

C$ 1,125

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 13/5

12:55 p.m.-7:10 a.m.

1 stop13h 15m

London Heathrow

Fri 15/5

6:30 a.m.-4:15 p.m.

2 stops14h 45m

C$ 1,168

New YorkLondon

LGA - LGW

LGALGW

New York LaGuardia

Mon 25/5

7:00 a.m.-10:00 a.m.

1 stop22h 00m

London Gatwick

Fri 29/5

2:00 p.m.-2:00 p.m.

1 stop29h 00m

C$ 1,227

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/4

Showing 1-10 of 48 resultsSorted by cheapest first
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Best time to book a flight from LaGuardia to London

Have a flexible travel schedule? Discover the best time to fly to London from LaGuardia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from New York LaGuardia Airport to London

What is the cheapest month to book a flight from New York LaGuardia Airport to London?

Currently, November is the cheapest month in which you can book a flight from New York LaGuardia Airport to London (average of C$ 542). Flying from New York LaGuardia Airport to London in December is currently the most expensive (average of C$ 1,252). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from New York LaGuardia Airport to London?

How often are flights from New York to London delayed?

About 0% of weekly flights between New York and London have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for New York to London flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.

Related info for your journey

Find useful and relevant information for your journey from LaGuardia to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from New York LaGuardia Airport to London?

    Departing from New York LaGuardia Airport to London will take you 10h. Airlines will cover a distance of 5533 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from LaGuardia to London that include hotel bookings?

    Yes. In addition to deals on LaGuardia to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from LaGuardia to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from LaGuardia to London.

  • Can I find deals for business class flights from LaGuardia to London?

    Yes. Cheapflights offers flight deals from LaGuardia to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from New York LaGuardia Airport to London?

    Currently, November is the cheapest month in which you can book a flight from New York LaGuardia Airport to London (average of C$ 542). Flying from New York LaGuardia Airport to London in December is currently the most expensive (average of C$ 1,252). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Twickenham
Bromley
Sutton
Slough
Marlow
Cobham
Watford
Luton
High Wycombe
Hounslow

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Alternative routes for LaGuardia to London

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights

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Can Cheapflights find flights from LaGuardia to London with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from LaGuardia to London, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from LaGuardia to London become cheaper?

Not ready to book yet? You can track prices for flights from LaGuardia to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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