Cheap American Airlines flights Islip (ISP) to Wilmington (ILM)

Apply the “Price (lowest to highest)” filter on Expedia to look for cheap American Airlines round-trip flights from ISP to ILM. Affordable one-way fares are also on offer.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Search for one-way or round-trip flights to Wilmington in January or December. You could find a cheap fare with American Airlines during these off-peak travel months.

To find cheap American Airlines fares from MacArthur Airport (ISP) to Wilmington Intl. Airport (ILM), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact the overall cost. Sunday is typically the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your trip on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Click on our “Nonstop” filter when browsing for direct American Airlines flights from ISP to ILM. You can also compare other airlines offering the same nonstop route.

Sort your results by “Morning” and “Early Morning” to find the earliest departures from ISP to ILM. Heading off early means flight cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Jump on an American Airlines flight from MacArthur Airport (ISP) to Wilmington, and you’re most likely to touch down at Wilmington Intl. Airport (ILM). This is the airline’s primary hub in this city.

Depending on the ticket type you purchased, a fee is typically charged if you change or cancel your flight more than 24 hours after it’s confirmed. To find plane tickets with more flexibility, select our “Changes included” and “No cancel fee” boxes when looking for flights. For more information on changing or canceling your reservation, head to “Trips,” select your flight and tick “Manage Booking.”