San Diego in 3 days: Balboa Park, the harbor and the coast

San Diego rewards three days with a clear split: day one for Balboa Park and Old Town, day two for the harbor and Coronado, and day three for the Point Loma coast and a beach. The San Diego travel guide explains the setting. If you are building a longer California trip, the USA travel guide shows how San Diego sits at the southern end of the coast.

The plan assumes you sleep downtown or in Little Italy, which keeps the first two days on foot, trolley and ferry; the where to stay in San Diego guide compares the bases. It also assumes a short car ride or ride share for day three. MTS lists an adult one-way fare of $3.00 on trolley and bus, with a $7.00 day pass earned through PRONTO fare capping, and one-way fares include transfers for two hours, so a day of hops costs little.

Times are typical visit lengths, not guarantees. The center is compact, so you can swap blocks freely. If rain is forecast, move the outdoor stops to the clearer day and keep the museums for the wet one.

Start at Balboa Park. The park itself is open to everyone, and its museums and gardens charge their own admission, so decide how many you want before you arrive. The Visitors Center at 1549 El Prado runs a free general walking tour on Tuesdays and Thursdays at 11 am, with a suggested $5 donation, and specialty tours on some Fridays and Saturdays. Tours are canceled on Thanksgiving, Christmas Day and New Year's Day, and on the first Friday and Saturday of December for the December Nights festival. If your trip falls on a Tuesday or Thursday, the tour is a good way to learn the layout; otherwise, walk El Prado, the central avenue, and pick one or two museums.

Plan two to four hours here. The zoo is also inside Balboa Park, but it is a half day by itself, so treat it as an alternative to the museums and check its own site for hours and tickets. Choose by interest: art and science museums for a rainy day, gardens and architecture for a clear one. Have lunch in the park or in a nearby neighborhood before you move on.

In the afternoon, go to Old Town San Diego State Historic Park, a short bus or ride from Balboa Park. California State Parks lists the visitor center and select museums as open from 10 am to 5 pm, with museums closed on Thanksgiving and Christmas. The park preserves the early settlement, with five original adobe buildings, museums, shops and restaurants. Allow about two hours, and walk it slowly. Old Town is a good place for an early Mexican dinner if you are not ready to go back downtown.

Return downtown by trolley or bus in the evening and have dinner in Little Italy or the Gaslamp Quarter. The Gaslamp is lively on weekends and on game nights at Petco Park, so book a table if you want a specific place.

Begin on the Embarcadero, the waterfront promenade, with a walk to the USS Midway Museum. The museum's own site lists it as open daily from 10 am to 5 pm, with last admission at 4 pm, and closed on Thanksgiving and Christmas Day. Allow two to three hours for the flight deck and the hangar deck. If you travel with children or love aircraft, put it first thing, since the decks are exposed and can be hot in summer.

After lunch, take the ferry to Coronado. Flagship lists the Convention Center to Coronado crossing at 15 minutes with departures every 30 minutes and $9 one way, and the Broadway Pier crossing at 15 minutes with hourly departures. Tickets are valid on any scheduled departure for the route you buy, subject to vessel capacity, and the operator suggests arriving at least 10 minutes before sailing, earlier on busy weekends. On Coronado, walk the town center and then the wide beach.

Return by ferry, checking the last departure first, or take the bridge by ride share. Dinner downtown or in Little Italy keeps the evening simple, and a harbor walk at dusk shows the skyline from the water's edge. If you prefer a cruise to a ferry, a harbor tour is a leisurely alternative, and the ticket comparison above lists options.

If you only have two days, combine the Midway with Balboa Park and skip Old Town. If you have four, add La Jolla on day three and move Cabrillo to day four.

Go to Cabrillo National Monument on the Point Loma peninsula early. The National Park Service lists the main park as open daily from 9 am to 5 pm, with the visitor center open from 10 am, the tidepools closing at 4:30 pm and the main gate closing at 5 pm. It is closed on Thanksgiving and Christmas Day. All visitors need an entrance pass, so check the park's fee page for the current price before you go. The monument has a lighthouse, exhibits and a view over the harbor and the city, and the tidepools are the best reason to time a visit for low tide, so check a tide table.

From Point Loma, continue up the coast. The usual plan is La Jolla and a beach, with a walk along the cove. Torrey Pines is the headline nature stop, but the reserve is closed (see the next section), so pick a beach walk at Torrey Pines State Beach or a stroll in La Jolla instead. Plan lunch in La Jolla village, then spend the afternoon on the sand, and return to downtown by ride share or car before dinner.

If you do not have a car, a ride share or a bus covers the coast, and the extra cost is the price of a day on the water. If you want a desert day on a longer trip, the Joshua Tree travel guide covers it, but it needs a full day by car.

California State Parks has announced that Torrey Pines State Natural Reserve is closed to all visitors from September 22, 2026, including pedestrians and cyclists, with all trails, the Beach Trail staircase, the lodge and the upper parking lots included. The work is a utility project, and the park says the reserve is scheduled to reopen around March 1, 2027. The South Beach and North Beach parking lots and Torrey Pines State Beach remain open.

That changes the day. If a trail walk among the Torrey pines was the plan, replace it with a beach walk or a different coastal path, and check the State Parks project page before you travel, since schedules for construction can shift. The park's page says that passes issued by California State Parks remain valid elsewhere in the system, but that no refunds are issued for park closures. If you booked a guided walk or a hotel for the reserve, contact the provider.

The route is cheap if you choose your paid venues. Balboa Park is free to enter, with museums priced separately, and the Visitors Center tour is by suggested donation. The ferry costs $9 one way, and the trolley and bus cost $3.00 a ride with a $7.00 daily cap using PRONTO. The USS Midway, Old Town museums, Cabrillo's pass and the zoo each have their own price on their own sites.

If you are on a tight budget, spend on one or two venues and fill the rest with free time: the Embarcadero walk, the Coronado beach, the Balboa Park gardens and Torrey Pines State Beach. Food is the larger cost, and a casual lunch at a counter costs far less than a sit-down meal on the waterfront.

The first is planning a Torrey Pines trail walk before March 2027, since the reserve is closed. The second is arriving at Cabrillo near closing: the tidepools close at 4:30 pm and the gate at 5 pm. The third is assuming every Balboa Park museum is open every day; check the hours of each one you plan to visit. The fourth is staying out late on Coronado without checking the last ferry.

The last is trying to fit the zoo, Balboa Park's museums and Old Town into one day. Choose two, and put the third on a longer trip.

San Diego is a dry city, but a wet day happens in winter. Swap to Balboa Park's museums in the morning and the USS Midway's covered hangar deck in the afternoon, or spend the day at the Old Town museums and a long lunch. Keep Coronado and Cabrillo for the clearer day, since the views are the reason to go.

If the whole trip is wet, put the museum day first and decide each morning. The trolley and the ferry still run in light rain, and a covered ride is a good way to see the harbor.

The airport's own site says ground transportation is arranged at the plazas in front of Terminals 1 and 2, with public buses also available. Amtrak's Pacific Surfliner serves San Diego, with daily service to 29 stations between San Diego and San Luis Obispo, so a rail arrival from Los Angeles is simple. For rail, bus and car rental across the country, see getting around the USA.

If you land from outside the United States, read ESTA, explained before you book, and set up an eSIM so maps, PRONTO and ride share work from the arrivals hall. Travel insurance with medical cover is sensible, since US health care is costly for visitors. When the three days are done, San Diego or Los Angeles helps you decide how to spend the rest of the week.