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Cheap flights from New York LaGuardia Airport, NY to London from C$ 325

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 16/7. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — LON
5 May — 12 May1
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 30 April 2025.

Round-trip from

C$ 770

One-way from

C$ 325

Popular in

December

Cheapest in

January

Average price

C$ 923
United Airlines
  • United Airlines
  • 15/8-1/9
  • 2 total stops
  • 52h 42m total
  • New York to London
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16/7
  • 16/7
  • 1 total stop
  • 31h 55m total
  • New York to London
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 3% potential price decrease (C$ 41 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 30 April 2025.

Fri 15/86:00 a.m.LGA - LHR
1 stop23h 40mUnited Airlines
Mon 1/99:30 a.m.LHR - LGA
1 stop29h 02mUnited Airlines
Deal found 29/4C$ 770
Sun 7/911:00 a.m.LGA - LHR
1 stop17h 25mBritish Airways
Sat 20/91:40 p.m.LHR - LGA
1 stop14h 50mBritish Airways
Deal found 29/4C$ 839
Tue 29/42:48 p.m.LGA - LHR
1 stop11h 07mMultiple Airlines
Sat 3/52:05 p.m.LHR - LGA
1 stop10h 34mMultiple Airlines
Deal found 29/4C$ 934
Wed 15/106:00 a.m.LGA - LGW
1 stop23h 00mMultiple Airlines
Fri 31/102:00 p.m.LGW - LGA
1 stop25h 47mMultiple Airlines
Deal found 29/4C$ 941
Mon 8/92:00 p.m.LGA - LHR
2 stops22h 40mScandinavian Airlines
Mon 22/96:40 a.m.LHR - LGA
2 stops18h 53mScandinavian Airlines
Deal found 29/4C$ 992
Tue 22/73:00 p.m.LGA - LHR
1 stop14h 30mVirgin Atlantic
Sat 23/89:00 a.m.LHR - LGA
2 stops14h 39mVirgin Atlantic
Deal found 28/4C$ 1,164
Thu 1/59:55 a.m.LGA - LGW
1 stop19h 50mAir Transat
Thu 8/512:40 p.m.LGW - LGA
1 stop13h 25mAir Transat
Deal found 28/4C$ 1,291

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 30 April 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

Fri 15/8

6:50 p.m.-10:00 a.m.

1 stop10h 10m

London Heathrow

Mon 1/9

6:30 a.m.-8:02 a.m.

2 stops30h 32m

C$ 770

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 7/9

11:00 a.m.-9:25 a.m.

1 stop17h 25m

London Heathrow

Sat 20/9

1:40 p.m.-11:30 p.m.

1 stop14h 50m

C$ 839

New YorkLondon

LGA - LGW

LGALGW

New York LaGuardia

Sun 11/5

5:54 a.m.-10:10 a.m.

1 stop23h 16m

London Gatwick

Wed 14/5

2:00 p.m.-11:00 a.m.

1 stop26h 00m

C$ 969

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 11/5

6:50 p.m.-10:00 a.m.

1 stop10h 10m

London Heathrow

Wed 14/5

9:30 a.m.-2:48 p.m.

1 stop10h 18m

C$ 988

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 8/9

2:00 p.m.-5:40 p.m.

2 stops22h 40m

London Heathrow

Mon 22/9

6:40 a.m.-8:33 p.m.

2 stops18h 53m

C$ 992

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 22/7

3:00 p.m.-10:30 a.m.

1 stop14h 30m

London Heathrow

Sat 23/8

9:00 a.m.-6:39 p.m.

2 stops14h 39m

C$ 1,164

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 14/5

4:00 p.m.-8:05 a.m.

1 stop11h 05m

London Heathrow

Sat 24/5

6:15 a.m.-6:31 p.m.

2 stops17h 16m

C$ 1,239

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 15/5

5:45 p.m.-10:00 a.m.

1 stop11h 15m

London Heathrow

Tue 20/5

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

1 stop12h 25m

C$ 1,251

New YorkLondon

LGA - LGW

LGALGW

New York LaGuardia

Wed 16/7

9:05 p.m.-10:00 a.m.

1 stop31h 55m

C$ 325

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 8/8

6:50 p.m.-10:00 a.m.

1 stop10h 10m

C$ 435

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

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 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, January is the cheapest month in which you can book a flight from New York LaGuardia Airport to London (average of C$ 560). Flying from New York LaGuardia Airport to London in July is currently the most expensive (average of C$ 870). 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.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 mm per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 30 April 2025.
To help decide which airline to fly from New York to London, see what other customers have to say about Porter Airlines, Delta and Air Transat. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
285 reviews
Check prices

Boarding

8.2

Crew

8.8

Entertainment

7.0

Overall

8.0

Food

7.6

Comfort

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Porter Airlines
8.0
Very good
285 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Boarding

8.2

Crew

8.8

Entertainment

7.0

Overall

8.0

Food

7.6

Comfort

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Delta
8.0
Very good
7,929 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Boarding

8.2

Crew

8.8

Entertainment

7.0

Overall

8.0

Food

7.6

Comfort

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Air Transat
7.8
Good
385 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Boarding

8.2

Crew

8.8

Entertainment

7.0

Overall

8.0

Food

7.6

Comfort

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
United Airlines
7.4
Good
8,696 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Boarding

8.2

Crew

8.8

Entertainment

7.0

Overall

8.0

Food

7.6

Comfort

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Virgin Atlantic
7.4
Good
642 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Boarding

8.2

Crew

8.8

Entertainment

7.0

Overall

8.0

Food

7.6

Comfort

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

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.

  • What are the cheapest airlines flying from New York LaGuardia Airport to London round-trip?

    Cheapflights users have booked flights from New York LaGuardia Airport to London round-trip from C$ 770. Other airlines that can offer you cheap pricing are British Airways, from C$ 839, and Scandinavian Airlines, from C$ 992. United Airlines is currently priced 10% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from New York LaGuardia Airport to London one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as C$ 435. However, be on the lookout for offers from Delta and ITA Airways, as they are both options that can get you from New York LaGuardia Airport to London for a low price.

  • 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, January is the cheapest month in which you can book a flight from New York LaGuardia Airport to London (average of C$ 560). Flying from New York LaGuardia Airport to London in July is currently the most expensive (average of C$ 870). 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 New York LaGuardia Airport?

Book flights to New York LaGuardia Airport if you plan to visit one of these locations
Brentford
Hounslow
Sutton
Slough
Milton Keynes
Romford
Watford
Luton
Bromley
Bedford
Southall

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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 Gatwick flights
John F Kennedy Intl to Heathrow flights

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