Question 1

What is the cheapest airline to fly from London to Islip, New York round-trip?

Accepted Answer

Alaska Airlines, at £4,340, was found to be the cheapest airline from London to Islip, New York..

Question 2

E

Accepted Answer

In terms of precipitation, rainfall in Islip, New York ranges from 84.0 - 112.0 inches per month. March is typically the wettest month, when rainfall can reach 112.0 mm. February is typically the driest time to visit Islip, New York when rainfall is around 84.0 mm.

Question 3

E

Accepted Answer

If weather is an important factor for your trip to Islip, New York, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

Question 4

How far in advance should I book a flight from London to Islip, New York?

Accepted Answer

Find a great deal and save up to 28% by booking at least 52 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from London to Islip, New York within the next two weeks, with the cheapest ticket starting at £393.

Question 5

What is the cheapest month to fly from London to Islip, New York?

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, September can be a great choice for travel to Islip, New York. Flights to Islip, New York from London in September are about £403 on average during September, but can be found for as low as £258.

Question 6

What is the cheapest time of day to fly from LON to ISP?

Accepted Answer

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to Islip, New York as you normally would.

Question 7

What airport do you fly into for flights to Islip from London?

Accepted Answer

For a flight from London to Islip, you will be flying into Long Island. Islip Long Island (ISP) is just 7.2 mi from the center of the city. Long Island is the only Islip airport and it handles 0 inbound flights from London per day. 0 airlines have flights to Islip Long Island from London on a regular basis.

Question 8

Can I find deals for flights from London to Islip that include hotel bookings?

Accepted Answer

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

Question 9

How can I find direct flights from London to Islip?

Accepted Answer

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

Question 10

Can I find deals for business class flights from London to Islip?

Accepted Answer

Yes. Cheapflights offers flight deals from London to Islip 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 11

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

Accepted Answer

Deals for London to Islip 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.

Question 12

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

Accepted Answer

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Islip for you. Better yet — we are completely free to use.

Question 13

Can Cheapflights find flights from London to Islip with no change fees?

Accepted Answer

Certainly. Search results for flights to Islip from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Question 14

Can Cheapflights notify me if prices for flights from London to Islip become cheaper?

Accepted Answer

Yes! Start tracking prices for London to Islip flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

Round-trip from	£892
Popular in	August
Cheapest in	September
Average price	£480

Cheap flights from London to Islip, New York from £892

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/8. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from London to IslipExplore the most affordable flight options available from London to Islip. 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 London to Islip. 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 London to Islip

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Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. 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 Islip. Reviews last updated 11 July 2025.

Read through reviews of airlines operating flights from London to Islip, such as Alaska Airlines. 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 London to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Islip from London?

What is the cheapest airline to fly from London to Islip, New York round-trip?

Can I find deals for flights from London to Islip that include hotel bookings?

How can I find direct flights from London to Islip?

Can I find deals for business class flights from London to Islip?

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Alternative routes for London to Islip

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

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

Can Cheapflights find flights from London to Islip with no change fees?

Can Cheapflights notify me if prices for flights from London to Islip become cheaper?

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