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Cheap flights from New York LaGuardia Airport to London from $324

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 25/2. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — LON
27 Feb — 6 Mar1
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 28 January 2026.

Wed 28/115:20
LGA
-
LHR
1 stop10h 50m
Air Canada
Wed 4/213:25
LHR
-
LGA
1 stop13h 08m
Air Canada
Deal found 26/1$728
Tue 1/1210:30
LGA
-
LHR
2 stops29h 05m
Air Canada
Sat 12/1206:00
LHR
-
LGA
2 stops18h 42m
Air Canada
Deal found 27/1$734
Fri 30/119:29
LGA
-
LHR
1 stop30h 11m
United Airlines
Thu 5/213:25
LHR
-
LGA
1 stop30h 15m
United Airlines
Deal found 25/1$740
Sat 21/219:29
LGA
-
LHR
1 stop30h 11m
United Airlines
Tue 3/313:25
LHR
-
LGA
1 stop32h 34m
United Airlines
Deal found 27/1$744
Wed 25/215:20
LGA
-
LHR
1 stop10h 50m
Air Canada
Wed 4/313:25
LHR
-
LGA
1 stop10h 38m
Air Canada
Deal found 26/1$746
Mon 26/121:21
LGA
-
LHR
1 stop27h 34m
United Airlines
Fri 30/113:25
LHR
-
LGA
1 stop30h 18m
United Airlines
Deal found 26/1$747
Tue 27/113:15
LGA
-
LHR
1 stop11h 40m
United Airlines
Mon 2/313:25
LHR
-
LGA
2 stops34h 17m
United Airlines
Deal found 27/1$750
Thu 26/207:13
LGA
-
LHR
1 stop23h 02m
United Airlines
Thu 5/313:25
LHR
-
LGA
1 stop25h 28m
United Airlines
Deal found 27/1$751
Mon 9/219:45
LGA
-
LHR
1 stop30h 25m
United Airlines
Tue 17/209:00
LHR
-
LGA
2 stops19h 44m
United Airlines
Deal found 27/1$753

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 28 January 2026.

Round-trip from

$740

One-way from

$324

Popular in

December

Cheapest in

January

Average price

$753
United Airlines
  • United Airlines
  • 14/2-22/2
  • 2 total stops
  • 60h 26m total
  • New York to London
Search Deals
Air Canada
  • Air Canada
  • 25/2
  • 1 total stop
  • 10h 50m total
  • New York to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($82 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($34 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 28 January 2026.
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

Wed 25/2

06:00-10:50

1 stop23h 50m

London Heathrow

Mon 2/3

13:25-16:59

1 stop32h 34m

$744

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 21/2

19:29-06:40

1 stop30h 11m

London Heathrow

Thu 5/3

13:25-09:53

1 stop25h 28m

$744

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 24/2

06:00-10:50

1 stop23h 50m

London Heathrow

Wed 4/3

13:25-11:57

1 stop27h 32m

$744

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 24/2

06:00-10:50

1 stop23h 50m

London Heathrow

Mon 2/3

13:25-11:57

1 stop27h 32m

$744

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 22/2

06:00-10:50

1 stop23h 50m

London Heathrow

Thu 5/3

13:25-11:57

1 stop27h 32m

$744

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 23/2

06:00-10:50

1 stop23h 50m

London Heathrow

Tue 3/3

13:25-14:40

1 stop30h 15m

$744

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 17/2

06:00-10:50

1 stop23h 50m

London Heathrow

Mon 23/2

13:25-11:57

1 stop27h 32m

$744

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 24/2

06:00-10:50

1 stop23h 50m

London Heathrow

Thu 5/3

13:25-09:53

1 stop25h 28m

$744

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 9/2

19:45-07:10

1 stop30h 25m

London Heathrow

Tue 17/2

09:00-23:44

2 stops19h 44m

$753

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 7/3

12:40-07:10

1 stop13h 30m

London Heathrow

Sun 15/3

13:25-21:33

1 stop12h 08m

$764

Flights are sorted by cheapest return flights first.

Deals found on 27/1

Showing 1-10 of 24 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, November is the cheapest month in which you can book a flight from New York LaGuardia Airport to London (average of $564). Flying from New York LaGuardia Airport to London in December is currently the most expensive (average of $1,303). 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 for a return flight 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?

    There are many flights that can get you from New York LaGuardia Airport to London in 23h 50m. Fly via United Airlines to get the fastest option. New York LaGuardia Airport and London are separated by a distance of 5533 km.

  • 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, November is the cheapest month in which you can book a flight from New York LaGuardia Airport to London (average of $564). Flying from New York LaGuardia Airport to London in December is currently the most expensive (average of $1,303). 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
Kingston upon Thames
Hounslow
Horsham
Southall
Chatham
Dover
Braintree
Gatwick
Chertsey

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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.
Newark to Heathrow flights
John F Kennedy Intl to Heathrow flights

Fly with Cheapflights

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How does Cheapflights help users find flights from LaGuardia to London?

Deals for LaGuardia to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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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