The cheapest way to get to Palo Alto from the San Francisco International Airport (SFO) is to take SamTrans bus KX, which goes between the two for only $2. An alternative is to take BART from SFO to Millbrae, and then take Caltrain from Millbrae to Palo Alto, which will cost $4 + $4.50 = $8.50.
From the San Jose International Airport (SJC), you first take the free shuttle bus #10 to get to the Santa Clara Caltrain station. From there you either take Caltrain, for $4.50, or take VTA bus 522 or 22 to get to Palo Alto for $2.
The Most Frequently Asked Travel Questions about Palo Alto
Where To Stay & Best Hotels in Palo Alto - updated Apr 2024
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Palo Alto Travel Guide from Wikitravel. Many thanks to all Wikitravel contributors. Text is available under Creative Commons Attribution-ShareAlike 3.0, images are available under various licenses, see each image for details.