Cheap flights from New York LaGuardia Airport to London from $331

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 28/9. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — LON
3 Sep — 10 Sep1
1 adult

Cheap 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 29 August 2025.

Round-trip from

$773

One-way from

$331

Popular in

December

Cheapest in

January

Average price

$852
United Airlines
  • United Airlines
  • 29/12-12/1
  • 2 total stops
  • 49h 17m total
  • New York to London
Air Canada
  • Air Canada
  • 28/9
  • 1 total stop
  • 13h 05m total
  • New York to London
Highest demand for flights based on searches. 3% potential increase in price ($56 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease ($59 potential savings vs. average return price).
Average for round-trip flights in August 2025

Find flight deals from LaGuardia to London

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 29 August 2025.

Mon 29/1206:00LGA - LHR
1 stop23h 50mUnited Airlines
Mon 12/113:25LHR - LGA
1 stop25h 27mUnited Airlines
Deal found 28/8$773
Thu 16/1017:45LGA - LHR
1 stop10h 50mAir Canada
Thu 30/1013:25LHR - LGA
1 stop12h 08mAir Canada
Deal found 27/8$779
Sat 11/1019:05LGA - LHR
1 stop9h 30mAir Canada
Sat 18/1009:30LHR - LGA
1 stop13h 55mAir Canada
Deal found 26/8$780
Sun 12/1006:00LGA - LHR
1 stop23h 40mUnited Airlines
Sun 19/1012:40LHR - LGA
2 stops31h 19mUnited Airlines
Deal found 28/8$782
Thu 23/1017:45LGA - LHR
1 stop10h 50mUnited Airlines
Fri 31/1013:25LHR - LGA
1 stop12h 08mUnited Airlines
Deal found 28/8$791
Sat 13/914:59LGA - LHR
1 stop10h 56mMultiple Airlines
Sun 28/909:30LHR - LGA
1 stop14h 00mMultiple Airlines
Deal found 28/8$792
Wed 3/914:59LGA - LHR
1 stop14h 41mUnited Airlines
Wed 10/909:30LHR - LGA
1 stop17h 00mUnited Airlines
Deal found 28/8$794
Fri 12/919:30LGA - LHR
1 stop11h 15mUnited Airlines
Sun 21/909:30LHR - LGA
1 stop17h 00mUnited Airlines
Deal found 28/8$799
Sat 27/906:00LGA - LHR
1 stop23h 40mUnited Airlines
Fri 10/1009:30LHR - LGA
1 stop29h 00mUnited Airlines
Deal found 27/8$803
Tue 30/1215:20LGA - LHR
1 stop10h 50mUnited Airlines
Sun 11/112:05LHR - LGA
1 stop11h 39mUnited Airlines
Deal found 28/8$806

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 29 August 2025.
Use the filters below to find and compare flights from New York LaGuardia Airport to London that are best for you.

Fly from

LaGuardia

Fly to

London

Route

Depart

Return

Price

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 9/2

06:00-10:50

1 stop23h 50m

London Heathrow

Tue 17/2

13:25-14:42

1 stop30h 17m

$773

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 24/9

15:30-06:30

1 stop10h 00m

London Heathrow

Wed 22/10

14:05-19:37

1 stop10h 32m

$791

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 7/11

10:35-07:10

1 stop15h 35m

London Heathrow

Thu 13/11

13:25-19:02

1 stop10h 37m

$791

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 3/10

15:30-06:30

1 stop10h 00m

London Heathrow

Tue 21/10

14:05-19:37

1 stop10h 32m

$791

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 23/10

17:45-09:35

1 stop10h 50m

London Heathrow

Fri 31/10

13:25-21:33

1 stop12h 08m

$791

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 23/9

15:30-06:30

1 stop10h 00m

London Heathrow

Tue 14/10

14:05-19:37

1 stop10h 32m

$791

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 15/10

17:45-09:35

1 stop10h 50m

London Heathrow

Fri 5/12

13:25-19:02

1 stop10h 37m

$791

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 3/10

15:30-06:30

1 stop10h 00m

London Heathrow

Wed 15/10

14:05-19:37

1 stop10h 32m

$791

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 19/9

19:30-11:45

1 stop11h 15m

London Heathrow

Fri 26/9

09:30-14:47

1 stop10h 17m

$799

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 6/10

19:05-09:35

1 stop9h 30m

London Heathrow

Sun 19/10

08:30-15:54

1 stop12h 24m

$802

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 23 results
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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 return 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, October is the cheapest month in which you can book a flight from New York LaGuardia Airport to London (average of $1,037). Flying from New York LaGuardia Airport to London in December is currently the most expensive (average of $1,667). 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.

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?

    There are many flights that can get you from New York LaGuardia Airport to London in 10h. Fly via United Airlines or Lufthansa to get the fastest option. New York LaGuardia Airport and London are separated by a distance of 5533 km. This flight may include one or multiple 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 holiday 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, October is the cheapest month in which you can book a flight from New York LaGuardia Airport to London (average of $1,037). Flying from New York LaGuardia Airport to London in December is currently the most expensive (average of $1,667). 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
Hounslow
Horsham
Southall
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Dover
Dorking
Chertsey

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Alternative routes for LaGuardia to London

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Why should you use Cheapflights to find cheap flight tickets from LaGuardia to London?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from LaGuardia to London.

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?

Of course! You can now track prices for flights from LaGuardia to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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