✈️ Flight Guide: Ontario (ONT) → San Francisco (SFO)

For flights from Ontario International Airport (ONT) to San Francisco International Airport (SFO) in November, arrive at least 90 minutes before domestic departures and 2 hours for peak holiday days like the Wednesday before Thanksgiving. November can bring increased passenger volume due to fall travel and holiday shopping, so allow extra time for parking, TSA lines, and potential weather-related delays. Check real-time airport advisories and consider curbside check-in or mobile boarding passes to speed your trip through security.

There are usually a limited number of nonstop flights between Ontario International Airport (ONT) and San Francisco International Airport (SFO), but most schedules in November include one-stop options through major hubs. Regional carriers and major airlines sometimes operate direct shuttle-style flights; however, availability varies by day and demand—weekend and holiday schedules may reduce direct options. Always search airline timetables and book early if you need a nonstop ONT to SFO flight.

Typical airborne time for the route between Ontario International Airport (ONT) and San Francisco International Airport (SFO) is approximately 1 hour and 20 minutes to 1 hour and 40 minutes for direct flights. With a connection, total travel time can increase to 3–6 hours depending on the layover. Keep in mind that boarding, taxiing, and potential ground delays—more frequent during November rain or fog in the Bay Area—can add additional time to your journey.

To find affordable ONT to SFO flights in November, search weekday departures (Tuesday–Thursday) and book at least 3–6 weeks in advance, avoiding peak Thanksgiving travel windows. Use fare alerts, compare low-cost carriers vs. legacy airlines, and consider early morning or late evening flights when fares tend to be lower. Additionally, flexible date searches and bundling parking or rental car deals at Ontario can lower total trip cost—set price alerts for the ONT to SFO route to catch sale fares.

Ontario International Airport (ONT) offers rental cars, ride-hailing pickup zones, airport shuttles, and taxi services, making it easy to access nearby major cities such as Los Angeles, Anaheim (Disneyland), San Diego, Palm Springs, and Las Vegas before your ONT to SFO flight. Public transit connections and off-site parking shuttles are also available, though schedules may be reduced on November holidays. Reserve rides or rental cars in advance during peak November travel to avoid delays.

Daylight saving time ends on the first Sunday in November across most of the U.S., which can affect local schedules, especially for early morning or overnight connections on the ONT to SFO route. Both Ontario International Airport (ONT) and San Francisco International Airport (SFO) are in the Pacific Time Zone, so the clock change does not alter elapsed flight time, but double-check itineraries and device time settings to avoid missing flights. Airlines typically adjust schedules in advance; confirm departure and arrival times on your carrier app the day before travel.

Arriving at San Francisco International Airport (SFO) in November typically means cooler temperatures, an increased chance of light rain or fog, and moderate passenger traffic outside major holiday windows. Security and baggage claim operations are efficient, but expect longer lines on travel-heavy days like Thanksgiving and the weeks surrounding it. Plan onward transportation in advance to destinations such as San Jose, Oakland, Napa Valley, Sonoma, Silicon Valley, and Sacramento to avoid delays.

From San Francisco International Airport (SFO), the Bay Area Rapid Transit (BART) provides a convenient transit option to downtown San Francisco year-round and is often the fastest way during November when road traffic can be variable. Rideshares and taxis are available at designated pickup zones, while shuttle buses and rental cars offer alternatives for travel to Napa Valley, Sonoma, and Silicon Valley. For holiday weekends in November, pre-booked shuttle services or BART may save time compared to waiting in rideshare queues.

San Francisco International Airport (SFO) rarely changes core services seasonally, but November sees schedule adjustments from airlines to match holiday demand, including added flights around Thanksgiving and potential reductions on low-demand midweek services. Ground transportation providers may alter frequencies, and some lounges or concessions could adjust hours. Always check SFO's official site and your airline's notifications for the latest gate and service updates before traveling.