$283 Cheap JetBlue Airways flights Jacksonville (JAX) to Key West (EYW)

Finding cheap one-way JetBlue Airways flights from JAX to EYW from $283 on Expedia is a breeze --- just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip fares from $618 for your next adventure.**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 affordable JetBlue Airways flights from Jacksonville Intl. Airport (JAX) to Key West Intl. Airport (EYW) one to three months ahead of your day of departure. 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 class and journey, the best day of the week 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.

Browse JetBlue Airways's earliest flights from JAX to EYW by selecting our "Morning" and "Early Morning" filters. Not only will you arrive sooner, early departures also experience 20% 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.