$198 Cheap United flights Eureka (ACV) to San Francisco (SFO)

Apply the "Price (lowest to highest)" filter on Expedia to look for cheap United Airlines return flights from $175 from ACV to SFO. Affordable one-way options from $198 are also on offer.**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.

Search for affordable United Airlines flights from Arcata - Eureka Airport (ACV) to San Francisco Intl. Airport (SFO) one to three months before your departure day. 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 journey, the best day of the week to book a domestic flight is usually Sunday and the most expensive 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.

The first United Airlines flight from ACV to SFO departs at 7:21AM UTC-8, landing at 8:40AM UTC-8. If you'd like to head off later in the day, the last United Airlines flight leaves ACV at 4:57PM UTC-8 and lands at SFO at 6:23PM UTC-8. Flying before noon is generally a good option as morning and mid-morning flights tend to 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 ACV to SFO with United Airlines and you can look forward to a range of perks starting with a rewarding loyalty program. When booking through Expedia as a United Mileage Plus and One Key™ member, you could also earn OneKeyCash™* to redeem on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.