San Diego itinerary: 1, 2 and 3 days

San Diego is spread out and car-oriented, so the number of days you need is really a question about how much driving you want. Two nights is the practical minimum for a first visit: one full day for Balboa Park and the zoo, one for the harbour, Coronado and a beach. Three nights lets you add La Jolla's coves and the Torrey Pines coast without rushing.

One day works only if you accept a trade-off. The zoo alone can take five or six hours. If you would rather see the coast, skip the zoo and spend the day on the water and in Coronado. Trying to do both in one day means two hours in a car and no time anywhere.

If you are combining San Diego with Los Angeles, give San Diego two nights and take the train or drive the coast; if San Diego is your main stop, three nights is comfortable and four lets you add a theme park, a surf lesson or a day across the border.

Start early at Balboa Park, where the museums cluster along El Prado and the gardens are free to walk. Pick one museum rather than trying to see several. If the zoo is your priority, go straight there at opening and plan on half a day; the zoo sits inside the park, so the two compete for the same hours.

Mid-afternoon, head to the waterfront: the USS Midway Museum and the Maritime Museum are both on the harbour, and the walk along the Embarcadero is free. From downtown, the ferry to Coronado takes about 15 minutes and costs a few dollars; the Hotel del Coronado and the beach are a short walk or bus ride from the ferry landing.

Finish with sunset on the coast. Ocean Beach and Sunset Cliffs are west-facing and popular; Mission Beach has the boardwalk and the most food options nearby. Without a car, use the trolley and buses and expect transfers to take 45–60 minutes each way.

Day one: Balboa Park in the morning, the zoo or a second museum in the afternoon, then the harbour and the Gaslamp Quarter for dinner. Day two: La Jolla in the morning for the cove and the sea lions, then Torrey Pines State Reserve for a coastal walk if you have a car, and Coronado in the late afternoon.

La Jolla is about 20 km north of downtown; by bus it takes roughly an hour, by car 20–30 minutes outside rush hour. Parking near the cove fills early on weekends. Torrey Pines charges a day-use parking fee and the trails close at dusk.

If you would rather not drive, swap Torrey Pines for more time in Balboa Park and Coronado, and use the trolley plus the coastal bus routes.

Day three is the day-trip slot. Options, in rough order of effort: Tijuana by the trolley and border crossing (allow most of a day and check current border wait times and entry rules for your passport), the San Diego Zoo Safari Park in Escondido (about 50 km north, best with a car), or a drive up the coast to Carlsbad and Encinitas for beaches and the flower fields in spring.

Alternatively, stay local: a surf lesson at Pacific Beach or La Jolla, a kayak or paddleboard session in Mission Bay, or a whale-watching trip from the harbour in the winter and spring migration months.

Keep the last afternoon light. San Diego's airport is close to downtown, so a late-afternoon flight is realistic if you are not checking bags.

Prices below are 2026 estimates for one adult and exclude flights and accommodation. San Diego is not a cheap city; the zoo and theme parks are the biggest single costs, and a car adds parking fees downtown.

Book the zoo and any theme park online before you arrive; walk-up tickets cost more and timed entry can sell out on holidays. Balboa Park museums often have one free entry day a month, but usually only for local residents, so check before planning around it.

The coastal marine layer, locally called June gloom, can keep mornings grey from late May into June. Plan indoor sights for the morning and beaches for the afternoon. Sunburn is the bigger risk: the coast is cool but the UV is strong.

Downtown parking is expensive and hotel parking can add US$30–50 a night. If you are staying downtown and only doing the core sights, skip the car and use the trolley, buses and rideshares. If you are doing La Jolla, Torrey Pines and North County, a car saves hours.

Tipping is expected in the US: 15–20% at restaurants, a dollar or two per drink at bars. Sales tax is added at the till, so the menu price is not the final price.