Cheap flights from San Francisco to San Diego from C$ 81

In general, October 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$ 237. If you are unable to visit San Diego during the month of October, then departing from San Francisco during the month September is also very affordable. Most momondo users find prices during this month for around C$ 266.

Flying to San Diego from San Francisco at noon is the least expensive time of day to depart. momondo users have found prices as low as C$ 182 when looking at flights departing at noon. Flights to San Diego are more costly in the evening, with an average ticket price of C$ 454. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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$ 312 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$ 221 on momondo.

There is only 1 cabin class 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.

No. A direct flight is the cheapest option for a flight between San Francisco to San Diego.

Historically, on average around 29% 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 124 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 20% of their flights experiencing any sort of delay.

As of September 2026, there are 54 flights per day flying from San Francisco to San Diego. The most common time of day flights depart is 9:00p.m., with 38% of flights taking off in the afternoon.

As of September 2026, 383 flights take off from San Francisco and land in San Diego each week. The most common flight departure day for this route is Tue, with 21% of weekly flights taking off on this day.