$94 Cheap American Airlines flights Greensboro (GSO) to Nantucket (ACK)

Use the "Price (lowest to highest)" filter on Expedia to look for cheap American Airlines return flights from $391 from GSO to ACK. Affordable one-way options from $94 are also available.**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 cheap American Airlines flights from Piedmont Triad Intl. Airport (GSO) to Nantucket Memorial Airport (ACK) one to three months before your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and itinerary, the best day to book a domestic flight is generally Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**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.

To find the earliest departure from GSO to ACK with American Airlines, filter your search by "Early Morning" and "Morning." Booking an early flight usually means you'll experience fewer cancellations.**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.