Top sandiego Activities and Things to Do

Discover 39 API only in San Diego on Trip.com, updated 21 October 2026, with experiences lasting from 1 to 17 hours. Find the perfect adventure for your day!

From S$ 19.18 per person, with an average total of S$ 134.04. Choose the option that suits your plan.

With 673 verified reviews, API only San Diego boast an average rating of 4.8.

This week's most popular API only: "Crossing Borders: Tijuana Day Trip from San Diego", with 505 reviews and a 4.7 rating.

Now on Trip.com: "1-day private chartered tour to Los Angeles + Port of San Diego + Balboa Park + Old Town", a 9-hour adventure in San Diego!

The next available day tour departs on 22 October 2026. Book now to secure your spot!

San Diego API only usually take about 9 hours — perfect for a relaxed, immersive experience!

18% of San Diego API only now offer English-speaking guides

October is perfect for visiting San Diego! Choose from 39 available day tours, including seasonal hits like Crossing Borders: Tijuana Day Trip from San Diego.

Your trip, worry-free! All day tours are run by licensed suppliers with verified reviews, and many include free cancellation before departure.

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39 results for San Diego API only

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Reviews/Trip Moments

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Reviews: 1-day Tour to SeaWorld San Diego + Old Town Including Theme Park Admission Ticket
Guest User2024-11-22
Thankfully, the tour guide reminded us to wear jackets the day before, as the sea breeze was a bit chilly. Luckily, we chose a beautiful day, so every photo turned out great. The aircraft carrier was enormous and incredibly magnificent! The interior was much larger than I had imagined, although the crew's living quarters were small, while the officers' quarters were larger. There were audio guides available inside! They were free and offered Chinese commentary! This made the tour anything but boring! A fantastic experience!
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Reviews: 1-day tour in San Diego | Old town charm + aircraft carrier + cruise | Includes military harbor cruise ticket and aircraft carrier ticket
Guest User2026-08-16
A great day trip to Santiago! Our tour guide, Cindy, was very attentive and responsible, providing detailed explanations throughout the trip, and she was also witty and humorous.