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Cheap flights from San Diego to San Jose

SAN — SJC
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 11 September 2025.

Popular in

July

Cheapest in

October

Average price

C$ 162

Good one-way deal

C$ 134 or less
Highest demand for flights based on searches. 7% potential increase in price (C$ 21 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from San Diego to San Jose.
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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.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to San Jose. Price data was last updated on 29 August 2025.

To ensure you get the cheapest price possible for a flight from San Diego to San Jose, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from San Diego to San Jose?

Currently, September is the cheapest month in which you can book a flight from San Diego to San Jose (average of C$ 331). Flying from San Diego to San Jose in December is currently the most expensive (average of C$ 459). 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?

Find hourly flight availability from San Diego to San Jose. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2025.

When flying from San Diego to San Jose, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

  • How popular is this San Diego to San Jose flight route?

    Within the past month, 4 users have taken a look at flights from San Diego to San Jose.

  • What are the most reliable airlines from San Diego to San Jose?

    Before booking your flight to San Jose from San Diego, check out the most reliable airlines to get you to your destination on time: Sun Country Air (100%), SkyWest Airlines (83%), American Airlines( 82%).

  • Can I find deals for flights from San Diego to San Jose that include hotel bookings?

    Yes. In addition to deals on San Diego to San Jose flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to San Jose?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to San Jose.

  • Can I find deals for business class flights from San Diego to San Jose?

    Yes. Cheapflights offers flight deals from San Diego to San Jose by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Diego to San Jose?

    Currently, September is the cheapest month in which you can book a flight from San Diego to San Jose (average of C$ 331). Flying from San Diego to San Jose in December is currently the most expensive (average of C$ 459). 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.

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How does Cheapflights help users find flights from San Diego to San Jose?

Cheapflights makes it easy to find San Diego to San Jose flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from San Diego to San Jose?

Cheapflights simply makes it quick and affordable to book flights from San Diego to San Jose by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from San Diego to San Jose with no change fees?

Certainly. Search results for flights to San Jose from San Diego shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from San Diego to San Jose become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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