Cheap flights from San Francisco to San José
Cheap flight deals from San Francisco to San José
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to San José (SJO). 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 28 October 2025.
Popular in | December |
|---|---|
Cheapest in | September |
Average price | C$ 796 |
Best time to book a flight from San Francisco to San José
Have a flexible travel schedule? Discover the best time to fly to San José from San Francisco with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to San José
How far ahead should I book a flight from San Francisco to San José?
The best time to book flights from San Francisco to San José is 72 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 Francisco to San José?
Currently, January is the cheapest month in which you can book a flight from San Francisco to San José (average of C$ 347). Flying from San Francisco to San José in December is currently the most expensive (average of C$ 702). 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 SFO to SJO?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to San José as you normally would.
How often are flights from San Francisco to San José delayed?
About 12% of weekly flights between San Francisco and San José have experienced delays in the past year, with the average delay time being 93 minutes.
What is the most punctual flight time for San Francisco to San José flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Francisco to San José flights?
Over the past year, United Airlines has had the lowest number of delays on this route, with just 12% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from San Francisco to San José. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near San José?
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Alternative routes for San Francisco to San José
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Fly with Cheapflights
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How does Cheapflights help users find flights from San Francisco to San José?
When you search for this flight from San Francisco to San José, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from San Francisco to San José?
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 José from San Francisco.
Can Cheapflights find flights from San Francisco to San José with no change fees?
Need flexible booking options for your flight to San José from San Francisco? 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 Francisco to San José become cheaper?
Yes, Cheapflights offers price alerts on San Francisco to San José flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.