$122 Cheap JetBlue Airways flights Philadelphia (PHL) to Key West (EYW)

Scoring cheap one-way JetBlue Airways flights from PHL to EYW from $122 on Expedia is simple --- just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $358 for your next exciting vacation.**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 Philadelphia Intl. Airport (PHL) to Key West Intl. Airport (EYW) one to three months prior to 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. No matter the fare type and itinerary, the best day of the week to book a domestic flight is usually Sunday and the most expensive day tends to be 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 PHL to EYW by using our "Early Morning" and "Morning" filters. Not only will you get to your destination 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.