Cheap Flights from Islip (ISP) to Lafayette (LAF)

Popular airlines from MacArthur Airport (ISP) to Lafayette, IN (LAF-Purdue University)

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Frequently asked questions

How much does a flight from MacArthur Airport (ISP) to Lafayette, IN (LAF-Purdue University) cost?
Grab a cheap one-way flight or cheap return flight from MacArthur Airport (ISP) to Lafayette, IN (LAF-Purdue University) 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 Lafayette, IN (LAF-Purdue University)?
Flying in is a good way to save, as it's the cheapest month for flights between ISP and LAF. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from MacArthur Airport (ISP) to Lafayette, IN (LAF-Purdue University)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest ISP to LAF flight.
How many flights per day from MacArthur Airport (ISP) to Lafayette, IN (LAF-Purdue University)?
There are no daily nonstop flights available from MacArthur Airport (ISP) to Lafayette, IN (LAF-Purdue University). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from ISP to LAF?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on a number of factors, including the carrier and season.*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 Lafayette, IN (LAF-Purdue University)?
To avoid potential delays on the MacArthur Airport (ISP) to Lafayette, IN (LAF-Purdue University) route, aim to travel before 3 PM. Flights after this time have a 22% higher chance of cancellation.**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 Lafayette, IN (LAF-Purdue University) last-minute?
Booking your ticket from ISP to LAF right before your getaway is typically more expensive. But if you're flexible with your departure times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book an ISP to LAF flight and hotel package?
Compared with arranging hotels and flights separately, booking an ISP to LAF flight and hotel package with Expedia could lead to significant savings. What's more, having it all in one place will take the hassle out of planning your trip. Just secure your flights and choose from our wide range of stays, then personalize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from MacArthur Airport (ISP) to Lafayette, IN (LAF-Purdue University)?
It's generally possible to reschedule or cancel your ISP to LAF flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
MacArthur
Destination airport
Purdue University
Distance
725 mi

Book with confidence

Islip to Lafayette Flights

The cheapest times to fly from Islip to Lafayette

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 Lafayette are during the month of . You can find some of the cheapest flights from Islip to Lafayette with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Islip to Lafayette

Sunday is one of the best days to book for cheap flights from Islip to Lafayette: 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 Lafayette

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 Lafayette 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 Lafayette 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 Lafayette 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 Lafayette Flights

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*Available to One Key members.