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Top picks for San Diego Day tours

Discover 33 Day tours in San Diego on Trip.com, updated March 26, 2026, with experiences lasting from 1 to 9 hours. Find the perfect adventure for your day!

From USD 13.52 per person, with an average total of USD 74.35. Choose the option that suits your plan.

With 2.274k verified reviews, Day tours San Diego boast an average rating of 4.7.

This week's most popular Day tours: "San Diego Harbor Cruise", with 1.608k reviews and a 4.5 rating.

Now on Trip.com: "Intro to Mexico Walking Tour: Tijuana Day Trip from San Diego", a 5-hour adventure in San Diego!

The next available day tour departs on March 27, 2026. Book now to secure your spot!

San Diego Day tours usually take about 5 hours — perfect for a relaxed, immersive experience!

100% of San Diego Day tours now offer English-speaking guides

March is the perfect time to visit San Diego! Choose from Day tours available day tours, including seasonal favorites like San Diego Harbor Cruise.

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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33 results for San Diego Day tours

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Reviews/Trip Moments

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Reviews: San Diego Pass Plus: 50+ Attractions - Includes LEGOLAND
Guest User2025-07-30
Excellent trip
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Reviews: Intro to Mexico Walking Tour: Tijuana Day Trip from San Diego
Guest User2026-02-10
We had a great day out and awesome experience, Pedir was great with all the organisation and correspondence through to hitting the streets of Tijuana with our guide Carlos. Carlos was knowledgeable and friendly and made the experience unique. Of all the walking tours i had done over the years this was by far the best experience. Thanks guys 👍
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Reviews: San Diego: Whale Watching Tour - Flagship Cruises & Events
Guest User2026-03-10
The tour was amazing! We were able to see two whales, a pile of dolphins swimming right next to the boat and sea lions. The guide was very nice and gave a lot of interesting information. Just great!
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Reviews: Crossing Borders: Tijuana Day Trip from San Diego
Guest User2026-03-16
The tour guide was great, very knowledgeable and informative. The tour could be a little longer giving you some more personal time getting to experience the local culture or cuisine.
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Reviews: San Diego: Hop-on Hop-off Narrated Trolley Tour
Guest User2026-03-08
We had the best guide! He was so funny and knowledgeable! He was the best stand up sitting down comedian! We loved him, wish I could recall his name!

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