Cheap Flights from Islip (ISP) to London (LTN)

Popular airlines from MacArthur Airport (ISP) to Luton Airport (LTN)

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Frequently asked questions

How much does a flight from MacArthur Airport (ISP) to Luton Airport (LTN) cost?
Secure a cheap one-way flight or cheap return flight from MacArthur Airport (ISP) to Luton Airport (LTN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from MacArthur Airport (ISP) to Luton Airport (LTN)?
The cheapest month to fly from ISP to LTN is , when demand is low. Off-peak season is typically when better flight deals are available between these airports.
What is the cheapest airline that flies from MacArthur Airport (ISP) to Luton Airport (LTN)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest ISP to LTN flight.
How many flights per day from MacArthur Airport (ISP) to Luton Airport (LTN)?
You'll need to catch a flight with a layover when traveling from MacArthur Airport (ISP) to Luton Airport (LTN). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from ISP to LTN?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from MacArthur Airport (ISP) to Luton Airport (LTN)?
To touch down at Luton Airport (LTN) on time, select a flight that leaves MacArthur Airport (ISP) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from MacArthur Airport (ISP) to Luton Airport (LTN) last-minute?
Waiting until just before your trip to book a flight from ISP to LTN generally means paying more. While you may come across some last-minute offers, there's no guarantee. Keep your travel plans flexible to maximize your chances of landing a bargain.
Is it cheaper to book an ISP to LTN flight and hotel package?
You can save money by securing an ISP to LTN flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After selecting your preferred accommodations and flights, consider adding extras including tours, activities and car rentals.
Can I cancel or change the date of my flight from MacArthur Airport (ISP) to Luton Airport (LTN)?
In most instances, you can cancel or reschedule your ISP to LTN flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need further details, go to our Customer Service portal.

Travel information

Origin airport
MacArthur
Destination airport
Luton
Distance
3402 mi

Book with confidence

Islip to London Flights

The cheapest times to fly from Islip to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Islip to London are during the month of . You can find some of the cheapest flights from Islip to London with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Islip to London

Sunday is one of the best days to book for cheap flights from Islip to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Islip to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Islip to London in 2026. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Islip to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Islip to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Islip to London Flights

*Flight schedules are subject to change.

*Available to One Key members.