$125 Cheap JetBlue Airways flights Jacksonville (JAX) to Nantucket (ACK)

Set the "Price (lowest to highest)" filter on Expedia to search for cheap JetBlue Airways round-trip flights from $230 from JAX to ACK. Affordable one-way fares from $125 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.

To find cheap JetBlue Airways fares from Jacksonville Intl. Airport (JAX) to Nantucket Memorial Airport (ACK), start searching one to three months before your planned departure. Reserving 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 influence the overall price. Sunday is typically the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book 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.

Search JetBlue Airways's earliest flights from JAX to ACK by using the "Early Morning" and "Morning" filters. Not only will you arrive sooner, early departures are also 20% less likely to be canceled.**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.