Cheap flights from New York LaGuardia Airport to London from $319

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — LON
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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 17 September 2025.

Round-trip from

$740

One-way from

$319

Popular in

December

Cheapest in

January

Average price

$941
Air Canada
  • Air Canada
  • 5/10-9/10
  • 2 total stops
  • 20h 17m total
  • New York to London
1/10
  • 1/10
  • 2 total stops
  • 21h 01m total
  • New York to London
Highest demand for flights based on searches. 4% potential increase in price ($65 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease ($61 potential savings vs. average return price).
Average for round-trip flights in September 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 17 September 2025.

Sun 5/1015:30LGA - LHR
1 stop10h 00mAir Canada
Thu 9/1009:30LHR - LGA
1 stop10h 17mAir Canada
Deal found 16/9$740
Fri 17/1015:30LGA - LHR
1 stop10h 00mAir Canada
Fri 24/1008:30LHR - LGA
1 stop28h 19mAir Canada
Deal found 17/9$751
Wed 31/1206:00LGA - LHR
1 stop23h 50mUnited Airlines
Sun 8/213:25LHR - LGA
1 stop27h 57mUnited Airlines
Deal found 15/9$757
Sun 21/906:25LGA - LHR
1 stop24h 20mUnited Airlines
Fri 26/914:05LHR - LGA
1 stop22h 57mUnited Airlines
Deal found 16/9$764
Tue 4/1106:00LGA - LHR
1 stop23h 50mUnited Airlines
Sun 9/1109:00LHR - LGA
2 stops28h 07mUnited Airlines
Deal found 15/9$766
Wed 15/1015:30LGA - LHR
1 stop10h 00mLufthansa
Wed 22/1014:05LHR - LGA
1 stop10h 32mLufthansa
Deal found 15/9$775
Mon 10/1113:05LGA - LHR
1 stop13h 05mMultiple Airlines
Tue 18/1113:25LHR - LGA
1 stop10h 38mMultiple Airlines
Deal found 15/9$776
Thu 30/1011:15LGA - LHR
1 stop14h 40mUnited Airlines
Thu 6/1113:25LHR - LGA
1 stop10h 38mUnited Airlines
Deal found 15/9$782
Sat 11/1010:24LGA - LHR
1 stop15h 31mUnited Airlines
Sat 18/1016:40LHR - LGA
1 stop12h 04mUnited Airlines
Deal found 15/9$784
Fri 17/1015:30LGA - LHR
1 stop10h 00mUnited Airlines
Mon 20/1008:30LHR - LGA
1 stop11h 29mUnited Airlines
Deal found 15/9$785
Fri 24/1019:05LGA - LHR
1 stop9h 30mMultiple Airlines
Sun 2/1111:10LHR - LGA
1 stop11h 48mMultiple Airlines
Deal found 16/9$787

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 17 September 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

Thu 2/10

19:29-06:55

1 stop30h 26m

London Heathrow

Mon 6/10

09:30-08:02

1 stop27h 32m

$757

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 29/11

06:00-10:50

1 stop23h 50m

London Heathrow

Sat 6/12

13:25-09:53

1 stop25h 28m

$757

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 2/3

06:00-10:50

1 stop23h 50m

London Heathrow

Thu 12/3

13:25-14:42

1 stop29h 17m

$757

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 15/10

15:30-06:30

1 stop10h 00m

London Heathrow

Wed 22/10

14:05-19:37

1 stop10h 32m

$775

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 1/10

19:05-09:35

1 stop9h 30m

London Heathrow

Mon 6/10

09:30-16:52

1 stop12h 22m

$775

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 19/11

15:20-07:10

1 stop10h 50m

London Heathrow

Sun 23/11

13:25-21:33

1 stop13h 08m

$775

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 13/2

15:20-07:10

1 stop10h 50m

London Heathrow

Sun 22/2

13:25-19:02

1 stop10h 37m

$775

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 15/10

19:05-09:35

1 stop9h 30m

London Heathrow

Thu 30/10

13:25-21:33

1 stop12h 08m

$776

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 7/11

10:35-07:10

1 stop15h 35m

London Heathrow

Tue 11/11

13:25-19:03

1 stop10h 38m

$776

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 30/10

11:15-05:55

1 stop14h 40m

London Heathrow

Thu 6/11

13:25-19:03

1 stop10h 38m

$782

Flights are sorted by cheapest return flights first.

Deals found on 16/9

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 30h 26m. 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, 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
Chatham
Dover
Dorking
Braintree
Chertsey

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Alternative routes for LaGuardia to London

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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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