Cheap flights from Oakland, California to San Diego from $103

If you are unable to visit San Diego during the month of April, then departing from Oakland, California during the month July is also very affordable. Most momondo users find prices during this month for around $171.

The cheapest day to depart from Oakland, California to San Diego is on a Tuesday. Travelers who choose to depart for San Diego on a Tuesday will often find tickets for as low as $159. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $205. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

The cheapest time of day to fly to San Diego is in the morning when flights can be purchased for as low as $175. Flights at noon are often more expensive with an average ticket price of $198.

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

You are more likely to see cheaper flights to San Diego from Oakland, California when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $221 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Oakland, California for as low as $139 on momondo.

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

Southwest is the most popular carrier operating from Oakland to San Diego

Alaska Airlines, Southwest and United Airlines are the top three most popular airlines that fly to San Diego from Oakland, California according to our data. Alaska Airlines is the first choice among our users, with 31% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 10 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

The number of flights available between Oakland, California and San Diego is 4 per day as of February 2026. The most frequent departure time is 12:00PM, with 52% of daily flights leaving in the afternoon.

As of February 2026, 30 flights take off from Oakland, California and land in San Diego each week. The most common flight departure day for this route is Mon, with 27% of weekly flights taking off on this day.