Cheap flights from San Diego to San Francisco Bay Area from $69

In general, October is the cheapest month to fly from San Diego to San Francisco Bay Area. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $136. If you aren’t able to travel to San Francisco Bay Area during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $146.

On average, the least expensive day to fly to San Francisco Bay Area from San Diego is on a Friday. momondo users have found tickets for Friday departures for as low as $233. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Tuesday is the most expensive day to depart from San Diego because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $734.

Our most recent data shows that the best time of day to fly to San Francisco Bay Area is in the afternoon. Flights from San Diego to San Francisco Bay Area during this time can be as low as $273. In contrast, the most expensive time of day to depart to San Francisco Bay Area is in the morning when prices are around $446.

Fly from San Diego to San Jose for the best San Diego - San Francisco Bay Area flight prices

You are more likely to see cheaper flights to San Francisco Bay Area from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco Bay Area for around $186 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco Bay Area from San Diego for as low as $127 on momondo.

There are 4 cabin classes available to choose from on San Diego to San Francisco Bay Area flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Delta, United Airlines, and Southwest are the most popular carriers operating from San Diego to San Francisco Bay Area

Southwest, United Airlines and Alaska Airlines are the top three most popular airlines that fly to San Francisco Bay Area from San Diego according to our data. Southwest is the first choice among our users, with 32% of people opting to fly with this airline when traveling to San Francisco Bay Area. Keep in mind that there are 8 different airlines that fly to San Francisco Bay Area on a routine basis, so you have a few additional options to choose from.

As of June 2026, there are 88 flights per day flying from San Diego to San Francisco Bay Area. The most common time of day flights depart is 9:00AM, with 43% of flights taking off at noon.

The number of flights available between San Diego and San Francisco Bay Area is 618 per week as of June 2026. The most frequent departure day is Mon, with 21% of weekly flights leaving on this day.