Is it better to fly or drive?

Flying is significantly faster, while driving allows for a scenic road trip.

How long is the flight?

The flight time is approximately 2 hours and 15 minutes.

Do I need a car in SF?

No, public transit and ride-shares are sufficient for most visitors.

What is the best highway?

Interstate 5 is the fastest route for driving.

Yes, bridges entering San Francisco have electronic tolls.

Renton

San Francisco

Flight Driving

Renton to San Francisco

Updated: 28 May 2026

Traveling from Renton to San Francisco covers roughly 1,300 kilometers. The most efficient method is a flight from Seattle-Tacoma International Airport to San Francisco International Airport, taking about two hours. Driving via Interstate 5 takes approximately 14 to 16 hours of pure driving time. This route traverses the scenic landscapes of Oregon and Northern California. Many travelers choose to break the drive into two days with a stop in Medford or Redding. Flying remains the most popular choice for time-sensitive travelers.

Total Distance: 1,300 km driving distance, 1,080 km straight-line air distance.

Fastest Way

Flying from SEA to SFO takes just over two hours, saving significant time compared to the long drive.

Cheapest Way

Driving is generally cheaper for two or more people, costing roughly $200 in fuel.

Compare Renton to San Francisco Routes

	Flight Direct	Driving Direct
Duration	2 hours 15 mins	15 hours
Avg Price	$150-$300	$180-$250 in fuel
Operator	United Airlines	Personal Vehicle
Route	SEA to SFO	I-5 South through Oregon and Northern California.
Tip	Use the BART train from SFO to reach downtown San Francisco cheaply.	Expect heavy traffic near Sacramento and the Bay Area.

Travel Tips

BART Access
The BART train is the most efficient way to get from SFO to downtown.
Layering
San Francisco weather changes rapidly; always carry a light jacket.
Driving Traffic
Avoid entering the Bay Area during weekday rush hours (7-9 AM and 4-6 PM).
Parking
Hotel parking in SF is expensive; use public transit or ride-shares instead.
Route Choice
I-5 is faster, but US-101 is more scenic if you have extra time.

Safety Tips

Car Security
Never leave luggage or valuables visible in your car, especially in tourist areas.
Pedestrian Safety
Be cautious of steep hills and busy intersections when walking in the city.
Driving Fatigue
If driving, stop every three hours to prevent fatigue on the long I-5 stretch.
Emergency Numbers
Keep local emergency numbers saved in your phone for the states you pass through.