Cheap flights from San Diego to San Jose, California
Cheap flight deals from San Diego to San Jose
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to San Jose (SJC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 24 October 2025.
Popular in | September |
|---|---|
Cheapest in | January |
Average price | £88 |
Best time to book a flight from San Diego to San Jose
Have a flexible travel schedule? Discover the best time to fly to San Jose from San Diego with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from San Diego to San Jose
How far ahead should I book a flight from San Diego to San Jose, California?
The best time to book flights from San Diego to San Jose, California is 78 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from San Diego to San Jose, California?
Currently, January is the cheapest month in which you can book a flight from San Diego to San Jose, California (average of £14). Flying from San Diego to San Jose, California in August is currently the most expensive (average of £43). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SAN to SJC?
When flying from San Diego to San Jose, California, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from San Diego to San Jose delayed?
About 18% of weekly flights between San Diego and San Jose have experienced delays in the past year, with the average delay time being 113 minutes.
What is the most punctual flight time for San Diego to San Jose flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Diego to San Jose flights?
Over the past year, Korean Air have had the lowest number of delays on this route, with no flights being classified as delayed.
Related info for your journey
Find useful and relevant information for your journey from San Diego to San Jose. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Diego to San Jose
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Deals for San Diego to San Jose flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
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By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Jose from San Diego.
Can Cheapflights find flights from San Diego to San Jose with no change fees?
Need flexible booking options for your flight to San Jose from San Diego? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from San Diego to San Jose become cheaper?
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