$142 Cheap JetBlue Airways flights Seattle (SEA) to Fort Lauderdale (FLL)

Landing cheap one-way JetBlue Airways flights from SEA to FLL from $142 on Expedia couldn't be simpler — just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares from $268 for your next break.**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.

Look for cheap JetBlue Airways flights from Seattle - Tacoma Intl. Airport (SEA) to Fort Lauderdale - Hollywood Intl. Airport (FLL) 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 journey, the best day to book a domestic flight is usually Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book 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 SEA to FLL by using the "Early Morning" and "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.