Cheap flights from San Francisco to San Diego from C$ 91

In general, July is the cheapest month to fly from San Francisco to San Diego. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 219. If you are unable to visit San Diego during the month of July, then departing from San Francisco during the month October is also very affordable. Most momondo users find prices during this month for around C$ 233.

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

You are more likely to see cheaper flights to San Diego from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around C$ 296 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from San Francisco for as low as C$ 202 on momondo.

There are 2 cabin classes available to choose from on San Francisco to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 47% on your flight if you consider stops on a San Francisco to San Diego flight.

As of June 2026, prices for San Francisco to San Diego flights are approximately 65% more expensive when compared to flights at the same time last year.

Historically, on average around 23% of flights between San Francisco and San Diego have experienced a delay on any given week. The average delay length over the past 12 months has been 119 minutes.

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

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

According to our data, United Airlines has had the least delays on this route over the last 12 months, with about 17% of their flights experiencing any sort of delay.

As of June 2026, there are 49 flights per day flying from San Francisco to San Diego. The most common time of day flights depart is 4:00p.m., with 46% of flights taking off in the afternoon.

As of June 2026, 345 flights take off from San Francisco and land in San Diego each week. The most common flight departure day for this route is Wed, with 19% of weekly flights taking off on this day.