$1,834 Cheap Swiss International Air Lines flights Florence (FLR) to San Diego (SAN)

Finding cheap one-way SWISS flights from FLR to SAN from $1,834 on Expedia is a breeze — just filter by "Price (lowest to highest)." Or check out our affordable round-trip fares from $867 for your next exciting getaway.**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 discover affordable flights from FLR to SAN with SWISS, begin your search about one month before your planned departure. You can save 17% when you book your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another good tip? Booking on Sunday offers average savings of 17% compared to Friday (the most expensive day).**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.

Sort your results by "Morning" and "Early Morning" to browse the earliest flights from FLR to SAN. Heading off early means you're less likely to experience 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.

SWISS makes traveling from FLR to SAN enjoyable with a 4-star airline rating and a rewarding loyalty program. You even have the chance to collect points with Swiss Miles & More. Don't forget to join Expedia's free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.