$215 Cheap United flights Eureka (ACV) to San Diego (SAN)

You can discover budget-friendly return United Airlines flights from $244 from ACV to SAN by filtering your results from “Price (lowest to highest)” on Expedia. Or look for bargains from $215 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.

United Airlines flights to San Diego are usually more affordable in the low-season months of January and November. Whether you’re searching for a round-trip or one-way ticket, you could find a better deal then.

Start searching one to three months ahead of your travel date to score cheaper fares on United Airlines flights from Arcata - Eureka Airport (ACV) to San Diego Intl. Airport (SAN). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic flights.*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.

Simply enter your dates, press search and use the “Nonstop” filter on Expedia to find any direct flights from ACV to SAN with United Airlines or other carriers.

Filter your results by “Morning” and “Early Morning” to see the earliest departures from ACV to SAN. Setting off early means you’re 20% 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.

United Airlines flights from Arcata - Eureka Airport (ACV) to San Diego arrive at San Diego Intl. Airport (SAN). This is the main gateway to this city.

A rewarding loyalty program and the ability to rack up points through United Mileage Plus are the start of the reasons to leave from ACV to SAN with United Airlines. Plus, when you join Expedia’s free One Key™ program, you can receive OneKeyCash™* alongside any airline loyalty program earnings. It’s yours to spend on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on your fare type, a fee typically applies if you cancel or change your booking more than 24 hours after it’s been confirmed. To find flexible plane tickets, select our “No cancel fee” or “Changes included” filter while looking for flights. For more information on modifying or canceling your reservation, visit “Trips,” select your flight and tick “Manage Booking.”