Cheap flights from Nashville to San Diego from $138

If you are unable to visit San Diego during the month of August, then departing from Nashville during the month May is also very affordable. Most momondo users find prices during this month for around $327.

The cheapest day to depart from Nashville to San Diego is on a Thursday. Travelers who choose to depart for San Diego on a Thursday will often find tickets for as low as $391. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $487. 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 $422. Flights at noon are often more expensive with an average ticket price of $540.

Fly from Nashville Intl to San Diego for the best Nashville Intl - San Diego flight prices

You are more likely to see cheaper flights to San Diego from Nashville when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $380 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Nashville for as low as $261 on momondo.

There is only 1 cabin class available to choose from on Nashville Intl 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 20% on your flight if you consider stops on a Nashville to San Diego flight.

As of March 2026, prices for Nashville to San Diego flights are approximately 15% more expensive when compared to flights at the same time last year.

Delta, United Airlines, and Southwest are the most popular carriers operating from Nashville Intl to San Diego

Southwest, American Airlines and Delta are the top three most popular airlines that fly to San Diego from Nashville according to our data. Southwest is the first choice among our users, with 43% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 7 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

Denver (DEN) was the most common stop: 38% of momondo users choosing 1-stop flights on this route connected there.

Flights via Denver (DEN) offer the lowest average round-trip price of $236.

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 6h 15m.

Charlotte (CLT) has the shortest average layover time for this route: 0h 47m.

3 flights are operational daily from Nashville to San Diego as of March 2026. The most popular departure time for this route is 8:00AM, with 56% of flights per day taking off at noon.

The number of flights available between Nashville and San Diego is 23 per week as of March 2026. The most frequent departure day is Fri, with 26% of weekly flights leaving on this day.