lhr-to-isp

 

The cheapest times to fly from LHR to ISP are

  • April 23rd to June 10th (except the week of May 28th)
  • October 22nd to March 25th (except the weeks of December 10th and December 17th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from LHR to ISP is early to mid May. Prices can be as high as $1717 for Saturday flights during early August, or as low as $760 for Tuesday flights around early to mid May.

 

When to Fly to Islip

Flying from London (LHR) to Islip, NY (ISP) will usually cost between $831 to $1573 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid May with an average ticket price of $790. Due to high demand the most expensive time to fly is early August, with an average price of $1668. Planning your trip to low-cost times can easily save you $878 on economy flights and even more on first-class flights. Generally, any price below $1048 can be considered a good price for a round-trip LHR to ISP flight.

See below for a graph of average weekly prices for the LHR to ISP route. All prices are for round-trip tickets in USD.

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LHR to ISP Flight Prices

Compared to other flights, the LHR to ISP flight is priced close to the average and costs slightly more than the average flight leaving from London. The average price per mile (for a direct flight) is $0.19, which is below average.

 

Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $65 (6%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1046. Return trip prices are from the ISP to LHR flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

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Departure Day Prices

Return Trip Prices by Day

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Return Day Prices

 

Nonstop Flights and Layovers

Travelers looking to fly from LHR to ISP can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 7 hour 7 minutes may not be realistic.

 

Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from LHR to ISP while comparing.

Destination alternative #1: John F. Kennedy International Airport (JFK) in New York, NY

  • 37 miles (60 km) away from ISP
  • Usually 62.88% less expensive than ISP
  • Nonstop flights available

See LHR to JFK flights

Destination alternative #2: Newark Liberty International Airport (EWR) in Newark, NJ

  • 56 miles (90 km) away from ISP
  • Usually 62.50% less expensive than ISP
  • Nonstop flights available

See LHR to EWR flights

Destination alternative #3: LaGuardia Airport (LGA) in New York, NY

  • 40 miles (64 km) away from ISP
  • Usually 62.45% less expensive than ISP
  • 1-layover flights available

See LHR to LGA flights

Destination alternative #4: Bradley International Airport (BDL) in Hartford, CT

  • 82 miles (132 km) away from ISP
  • Usually 36.59% less expensive than ISP
  • 1-layover flights available

See LHR to BDL flights

Destination alternative #5: Philadelphia International Airport (PHL) in Philadelphia, PA

  • 130 miles (209 km) away from ISP
  • Usually 56.54% less expensive than ISP
  • Nonstop flights available

See LHR to PHL flights

Destination alternative #6: Westchester County Airport (HPN) in White Plains, NY

  • 37 miles (60 km) away from ISP
  • Usually 8.30% less expensive than ISP
  • 1-layover flights available

See LHR to HPN flights

 

Flight Hacking LHR to ISP

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from LHR to ISP — but Champion Traveler does!

Hack #1: Boston, MA (LHR > BOS > ISP)

  • Price for both tickets: $602
  • Average savings: $447 (42.6%)

See LHR to ORD flights

Hack #2: Chicago, IL (LHR > ORD > ISP)

  • Price for both tickets: $689
  • Average savings: $359 (34.26%)

See LHR to BOS flights

Hack #3: New York, NY (LHR > LGA > ISP)

  • Price for both tickets: $722
  • Average savings: $327 (31.15%)

See LHR to LGA flights

 

Flight Questions Answered

Still have questions about flying from LHR to ISP? We’ve got answers.

Which airlines fly this route?

You can find 4 major airlines flying this route most often: American, British Airways, Finnair, Iberia, and potentially more during busy seasons.

How far away is it from Long Island MacArthur Airport to London Heathrow Airport?

The distance between the two airports is roughly 3407 miles or 5483 kilometers.

How long does it take to fly from LHR to ISP?

The real-world flight time for a nonstop LHR to ISP flight is about 7 hour 7 minutes.

How many flights go between London and Islip, NY?

It depends on the day of the week and the date, but a typical day might have around 9 available flights from LHR to ISP.

 

Airport Location Info

 

Departing Airport

Origination codeLHR
Origination airport nameLondon Heathrow Airport
CityLondon
Countrythe United Kingdom
Latitude51.5
Longitude-0.5

Return Airport

Destination codeISP
Destination airport nameLong Island MacArthur Airport
CityIslip, NY
Countrythe United States
Latitude40.8
Longitude-73.1

 

Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.