Flight
Driving
Fontana to San Francisco
Updated: 28 May 2026
The journey from Fontana to San Francisco covers approximately 650 kilometers. Driving via I-5 North is the most direct route, taking about 6 to 7 hours. Alternatively, you can fly from Ontario International Airport (ONT) to San Francisco International Airport (SFO). This is a common route for business and leisure travel between Southern and Northern California.
Total Distance: Driving distance 650 km, straight-line air distance 580 km.
Fastest Way
Flight from Ontario (ONT) to San Francisco (SFO) takes 1.5 hours.
Cheapest Way
Driving is usually the cheapest option.
Compare Fontana to San Francisco Routes
|
Direct
|
Direct
|
|
|---|---|---|
| Duration | 1 hour 30 mins | 6 hours 30 mins |
| Avg Price | $100 - $250 | $80 - $150 |
| Operator | United Airlines | Personal Vehicle |
| Route | ONT to SFO. | I-5 N. |
| Tip | Flights are very frequent and convenient. | The I-5 is a long, straight highway; take frequent breaks. |
Travel Tips
-
TrafficThe I-5 can be busy; check traffic reports before leaving.
-
ParkingParking in San Francisco is very expensive and difficult.
-
WeatherSan Francisco is known for its fog and cool weather; bring layers.
-
BookingBook your hotel in advance, especially during peak season.
-
Local KnowledgeSan Francisco is a very walkable city; use public transit.
Safety Tips
-
DrivingStay alert for sudden traffic stops on the I-5.
-
VehicleCheck your car before the long drive.
-
EmergencyKeep a roadside emergency kit in your car.
-
Cell ServiceExpect spotty cell service in remote areas of the I-5.
People Also Ask
-
How long does it take to drive to San Francisco?It typically takes 6.5 to 7 hours, but can be longer with traffic.
-
Is there a train to San Francisco?No, there is no direct train service to San Francisco.
-
What is the best time to leave for San Francisco?Early morning is the best time to avoid traffic.
-
Are there flights from Ontario to San Francisco?Yes, several airlines offer direct flights.
-
Is the I-5 safe?Yes, but it is a busy highway; drive defensively.
Quick Info
- From Fontana, California, United States
- To San Francisco, California, United States
-
Modes
Best Time to Travel
Spring or Fall for pleasant weather in both cities.
Things to Do in San Francisco
1
Golden Gate Bridge
Walk or bike across this iconic bridge for stunning views of the bay.
2
Alcatraz Island
Tour the famous former federal prison located in the middle of the bay.
3
Fisherman's Wharf
Visit this popular tourist area for seafood, shops, and street performers.
4
Chinatown
Explore the oldest and one of the largest Chinatowns in North America.
Tags
Fontana to San Francisco
San Francisco travel
driving to San Francisco
I-5 traffic
flights to San Francisco
Fontana transport
California travel
San Francisco guide
