Cheap flights from San Diego to San Francisco from $51

If you aren’t able to travel to San Francisco during the month of May, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $128.

The cheapest day to depart from San Diego to San Francisco is on a Friday when prices can be found for as low as $203. The most expensive day to fly to San Francisco is Tuesday, with ticket prices averaging around $731.

Our data shows that the cheapest San Diego to San Francisco flights are usually those with departure times in the afternoon. Our users have found flights to San Francisco in the afternoon for as low as $224. Flights in the morning are often more expensive with an average ticket price of $416.

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

You are more likely to see cheaper flights to San Francisco from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $162 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from San Diego for as low as $109 on momondo.

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

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

Southwest, United Airlines and Alaska Airlines are the top three most popular airlines that fly to San Francisco from San Diego according to our data. Southwest is the first choice among our users, with 29% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 10 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

Historically, on average around 22% of flights between San Diego and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 124 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

As of March 2026, 54 flights take off from San Diego and land in San Francisco each day. The most common flight departure time for this route is 5:00PM, with 40% of daily flights taking off in the afternoon.

382 flights are operational weekly from San Diego to San Francisco as of March 2026. The most popular departure day for this route is Fri, with 19% of flights per week taking off on this day.