$143 Cheap KLM flights Basel (BSL) to Florence (FLR)

Scoring cheap one-way KLM flights from BSL to FLR from $143 on Expedia is simple --- just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip fares from $261 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.

Start your search for KLM flights from BSL to FLR about one month before you want to go. The cheapest time to book an international flight is generally 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. Regardless of fare class or itinerary, the best day to book international airfare is usually Sunday. Friday can be the most expensive. Passengers who book on a Sunday can save an average of 17% compared to those who book on a Friday.**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 departures from BSL to FLR with KLM, filter your results by "Morning" and "Early Morning." Booking an early flight generally 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.

Journey from BSL to FLR with KLM and you'll enjoy a host of benefits including a 4-star airline rating. When booking through Expedia as a KLM Flying Blue and One Key™ member, you may also earn OneKeyCash™* to use on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.