$439 Cheap Swiss International Air Lines flights San Francisco (SFO) to Zürich (ZRH)

Grab affordable round-trip SWISS flights from $538 from SFO to ZRH by filtering your results from "Price (lowest to highest)" on Expedia. Or search for bargains from $439 for a one-way journey.**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.

Snagging the best SWISS deals from SFO to ZRH often comes down to booking at the right time. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. Better yet, you can pocket 17% on average by buying your tickets on a Sunday compared to a Friday, which is often the most expensive day to book.* It's a good idea to start searching for flights about one month before you plan to travel.*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.

The first SWISS flight from SFO to ZRH takes off at 7:25PM UTC-8, landing at 3:30PM UTC+1. If you prefer to set off later, the last SWISS flight leaves SFO at 7:25PM UTC-8 and touches down at ZRH at 3:30PM UTC+1. Flying early is generally a smart option as morning and mid-morning flights are 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.