Cheap flights from San José to San Francisco
Cheapflights Tip: The best prices from San José Juan Santamaria Intl to San Francisco are usually found in September or October, booked 8 days in advance, depart on a Tuesday or Monday and return on a Monday
Cheap flight deals from San José to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from San José (SJO) to San Francisco (SFO). 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$ 656 |
Good round-trip deal | C$ 725 or less |
Good one-way deal | C$ 440 or less |
Best time to book a flight from San José to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from San José with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from San José to San Francisco
How far ahead should I book a flight from San José to San Francisco?
The best time to book flights from San José to San Francisco is 8 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 José to San Francisco?
Currently, November is the cheapest month in which you can book a flight from San José to San Francisco (average of C$ 350). Flying from San José to San Francisco in April is currently the most expensive (average of C$ 533). 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 SJO to SFO?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San José to San Francisco as you normally would.
How often are flights from San José to San Francisco delayed?
About 8% of weekly flights between San José and San Francisco have experienced delays in the past year, with the average delay time being 273 minutes.
What is the most punctual flight time for San José to San Francisco flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Sunday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San José to San Francisco flights?
Over the past year, United Airlines has had the lowest number of delays on this route, with just 8% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from San José to San Francisco. 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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How does Cheapflights help users find flights from San José to San Francisco?
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Why should you use Cheapflights to find cheap flight tickets from San José to San Francisco?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San José to San Francisco.
Can Cheapflights find flights from San José to San Francisco with no change fees?
Need flexible booking options for your flight to San Francisco from San José? 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 José to San Francisco 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!