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Cheap Flights from Palo Alto (PAO) to San Diego (SAN)

Popular airlines from Palo Alto, CA (PAO-Santa Clara County) to San Diego Intl. Airport (SAN)

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Frequently asked questions

Which airlines fly direct from Palo Alto, CA (PAO-Santa Clara County) to San Diego, CA (SAN-San Diego Intl.)?
Enter PAO to SAN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Palo Alto, CA (PAO-Santa Clara County) to San Diego, CA (SAN-San Diego Intl.)?
To find a cheap flight from Palo Alto, CA (PAO-Santa Clara County) to San Diego, CA (SAN-San Diego Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Palo Alto, CA (PAO-Santa Clara County) to San Diego, CA (SAN-San Diego Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Palo Alto, CA (PAO-Santa Clara County) to San Diego, CA (SAN-San Diego Intl.)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from PAO to SAN. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
Can you fly business or first class from Palo Alto, CA (PAO-Santa Clara County) to San Diego, CA (SAN-San Diego Intl.)?
Select the "Business class" and "First class" filters when looking for PAO to SAN flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Palo Alto, CA (PAO-Santa Clara County) to San Diego, CA (SAN-San Diego Intl.) flight with Expedia?
It's easy to earn miles on a Palo Alto, CA (PAO-Santa Clara County) to San Diego, CA (SAN-San Diego Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Palo Alto, CA (PAO-Santa Clara County) to San Diego, CA (SAN-San Diego Intl.) at the last minute?
Typically, booking a last minute flight from Palo Alto, CA (PAO-Santa Clara County) to San Diego, CA (SAN-San Diego Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Palo Alto, CA (PAO-Santa Clara County) to San Diego, CA (SAN-San Diego Intl.) flight and hotel package?
Securing a Palo Alto, CA (PAO-Santa Clara County) to San Diego, CA (SAN-San Diego Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Palo Alto, CA (PAO-Santa Clara County) to San Diego, CA (SAN-San Diego Intl.)?
If you booked your Palo Alto, CA (PAO-Santa Clara County) to San Diego, CA (SAN-San Diego Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Santa Clara County
Destination airport
San Diego Intl.
Distance
685 km

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