A plane from Portland, OR to San Diego is roughly 2 hours and 30 min. If traveling by day, wondrous sights can be seen just outside the passenger window.
San Diego: An oasis of universities and amusements
Point Loma Nazarene University (PLNU) is known largely for their uniquely structured outdoor auditorium, The Greek. In addition to the student community, people of the city travel to watch the sunset, as its directly beside the ocean.