Question 1

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

Accepted Answer

Currently priced at £355, Air Canada will fly you from New York LaGuardia Airport to London Heathrow Airport and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Lufthansa - these airlines can fly you to your destination from £372 and £380, respectively. Air Canada is priced at 21% lower than the current average price of a flight leaving 3 months from now.

Question 2

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

Accepted Answer

One-way options have recently been found by users for as low as £130 on Air Canada. Other airlines that offer cheap prices include Lufthansa from £145 and United Airlines from £147 one-way.

Question 3

How far ahead should I book a flight from New York LaGuardia Airport to London Heathrow Airport?

Accepted Answer

Booking 26 days in advance of your planned departure date is, on average, the best time to get cheap flights from New York LaGuardia Airport to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Question 4

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

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from New York LaGuardia Airport to London Heathrow Airport (average of £112). Flying from New York LaGuardia Airport to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

Question 5

What is the cheapest day to fly from New York LaGuardia Airport to London Heathrow Airport?

Accepted Answer

Travellers seeking maximum savings on their New York LaGuardia Airport to London Heathrow Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

E

Accepted Answer

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

Question 7

E

Accepted Answer

If weather is an important factor for your trip to London Heathrow Airport, 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).

Question 8

What is the cheapest day to fly round-trip from New York LaGuardia Airport to London Heathrow Airport?

Accepted Answer

It’s generally more expensive to depart on a Tuesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

Question 9

How far in advance should I book a flight from New York LaGuardia Airport to London Heathrow Airport?

Accepted Answer

To save up to 26% on this flight, we recommend booking at least 31 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from New York LaGuardia Airport to London Heathrow Airport from £469 1-2 weeks out and tickets from £512 for flights departing within the next 72 hours.

Question 10

What is the cheapest month to fly from New York LaGuardia Airport to London Heathrow Airport?

Accepted Answer

Flights from New York LaGuardia Airport to London Heathrow Airport lean towards being more expensive in June. Prices are generally better when you fly from New York LaGuardia Airport to London Heathrow Airport in January, with the cheapest ticket starting at £276.

Question 11

What is the cheapest time of day to fly from LGA to LHR?

Accepted Answer

One of the essential ways to save on airfare from New York LaGuardia Airport to London Heathrow Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at midday could potentially save you up to 32% on airfare.

Question 12

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

Accepted Answer

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

Question 13

How can I find direct flights from LaGuardia to Heathrow?

Accepted Answer

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

Question 14

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

Accepted Answer

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

Question 15

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

Accepted Answer

Cheapflights helps you search for flights from LaGuardia to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Question 16

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

Accepted Answer

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from LaGuardia.

Question 17

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

Accepted Answer

Need flexible booking options for your flight to Heathrow from LaGuardia? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Question 18

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

Accepted Answer

Yes, Cheapflights offers price alerts on LaGuardia to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

Round-trip from	£355
One-way from	£130
Popular in	June
Cheapest in	October
Average price	£570

Cheap flights from New York LaGuardia Airport to London Heathrow Airport from £130

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 19/7. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from New York LaGuardia to London Heathrow are usually found in October or February, booked 26 days in advance, depart on a Tuesday or Monday and return on a Wednesday

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Cheapest flights from LaGuardia to HeathrowExplore the most affordable flight options available from LaGuardia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Explore the most affordable flight options available from LaGuardia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

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Best time to book a flight from LaGuardia to Heathrow

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

How far ahead should I book a flight from New York LaGuardia Airport to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from LaGuardia to Heathrow. Price data was last updated on 27 June 2025.

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

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from New York LaGuardia Airport to London Heathrow Airport, such as KLM, United Airlines, andVirgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from LaGuardia to Heathrow. 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 Heathrow Airport round-trip?

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

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

How can I find direct flights from LaGuardia to Heathrow?

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

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

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

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

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

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Cheapest flights from LaGuardia to Heathrow
Explore the most affordable flight options available from LaGuardia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.