Cheap flights from San Francisco to San Diego from C$ 72

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$ 175. If you are unable to visit San Diego during the month of July, then departing from San Francisco during the month June is also very affordable. Most momondo users find prices during this month for around C$ 197.

The cheapest day to depart on your flight to San Diego is on a Friday when prices can be found for as low as C$ 77. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to San Diego on Saturday is C$ 562.

Flying to San Diego from San Francisco in the morning is the least expensive time of day to depart. momondo users have found prices as low as C$ 131 when looking at flights departing in the morning. Flights to San Diego are more costly at noon, with an average ticket price of C$ 350. Departure times at noon 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$ 245 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$ 164 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.

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

As of March 2026, prices for San Francisco to San Diego flights are approximately 31% cheaper when compared to flights at the same time last year.

Historically, on average around 21% 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 118 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening 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 15% of their flights experiencing any sort of delay.

As of March 2026, there are 45 flights per day flying from San Francisco to San Diego. The most common time of day flights depart is 7:00p.m., with 41% of flights taking off in the afternoon.

As of March 2026, 319 flights take off from San Francisco and land in San Diego each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.