$2,024 Cheap Swiss International Air Lines flights Copenhagen (CPH) to San Diego (SAN)

Make use of the "Price (lowest to highest)" filter on Expedia to look for cheap SWISS round-trip flights from $724 from CPH to SAN. Affordable one-way tickets from $2,024 are available too.**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 grab affordable flights from CPH to SAN with SWISS, begin searching about one month before your planned departure. You can save 17% when you lock in your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Want another tip? Booking on Sunday can lead to 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.

Browse SWISS's earliest flights from CPH to SAN by checking our "Morning" and "Early 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.

SWISS makes traveling from CPH to SAN more comfortable with a 4-star airline rating and a rewarding loyalty program. You could even start collecting points with Swiss Miles & More. Remember to join our 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.