Cheap Alaska Airlines flights San Diego (SAN) to Santa Rosa (STS)

Finding cheap one-way Alaska Airlines flights from SAN to STS on Expedia is a breeze — just filter by “Price (lowest to highest).” Or check out our affordable round-trip fares for your next adventure.**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.

Alaska Airlines flights to Santa Rosa are typically cheaper in the low-season months of January and February. Whether you’re in search of a one-way or a return ticket, you could find a better deal then.

To find cheap Alaska Airlines fares from San Diego Intl. Airport (SAN) to Sonoma County Airport (STS), start searching one to three months before your planned departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence the price you pay. Sunday is typically the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight on a Sunday.**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.

Yes, you can fly from San Diego Intl. Airport (SAN) to Sonoma County Airport (STS) on one of Alaska Airlines’s 11 direct weekly flights. Apply Expedia’s “Nonstop” and “Airline” filters to find the Alaska Airlines flight that’ll get you to STS at a time that suits you.

Leave San Diego Intl. Airport (SAN) for Sonoma County Airport (STS) on a direct Alaska Airlines flight, and you’ll be in the sky for around 1h 50m.

Alaska Airlines has the most flights from San Diego Intl. Airport (SAN) to Sonoma County Airport (STS) on Thursday. With up to 2 daily departures, you’ll get the most choice and flexibility on this day.

The first flight from SAN to STS with Alaska Airlines leaves at 8:16AM UTC-8. You’ll land at 10:06AM UTC-8. The last Alaska Airlines flight of the day takes off at 8:55PM UTC-8 and arrives at 10:48PM UTC-8. With around 20% fewer cancellations for morning and mid-morning departures, beginning your travel day early is often the smartest choice.**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.

Alaska Airlines flights from San Diego Intl. Airport (SAN) to Santa Rosa come in to Sonoma County Airport (STS), San Francisco Intl. Airport (SFO) and Oakland Intl. Airport (OAK). The main Santa Rosa hub served by this airline is STS. It’s worth checking out flights landing at other nearby airports on Expedia as they may have cheaper fares.

Alaska Airlines makes flying from SAN to STS more enjoyable with a rewarding loyalty program and an excellent in-flight experience. You even have the chance to collect points with Mileage Plan. Make sure you sign up to our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Chances are you’ll be flying on an Embraer 175 for your Alaska Airlines flight from San Diego Intl. Airport (SAN) to Sonoma County Airport (STS). However, you may be switched to a different aircraft if operational demands require it.

Changes are usually free within 24 hours of booking, but your airline may charge a fee after that. For more information about modifying your flights, head to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to change your itinerary without additional charges, tick the “Changes included” and “No cancel fee” filters when planning your next adventure.