Only if you enjoy road trips and want to see the coast.

What is the best airline?

Alaska Airlines offers many direct flights.

Yes, some roads in California have tolls.

Is San Diego expensive?

It can be, but there are many free activities.

Renton

San Diego

Flight Driving

Renton to San Diego

Updated: 28 May 2026

The distance from Renton to San Diego is approximately 2,000 kilometers. Flying is the most practical mode, with a flight time of about 3 hours from Seattle-Tacoma International Airport (SEA). Driving is a long-haul journey taking roughly 20 hours of pure driving time, usually via I-5 South. San Diego offers a Mediterranean climate and world-class attractions.

Total Distance: 2,000 km driving, 1,850 km air distance.

Fastest Way

Flight in 3 hours.

Cheapest Way

Flight if booked well in advance.

Compare Renton to San Diego Routes

	Flight Direct	Driving Direct
Duration	3 hours	20 hours
Avg Price	$150-$400	$300-$500 fuel
Operator	Alaska Airlines	Personal Vehicle
Route	SEA to SAN.	I-5 South.
Tip	Book at least three weeks in advance for the best fares.	Plan for at least two overnight stops.

Travel Tips

Flight Booking
Use flight comparison sites to find the best deals.
Road Trip
If driving, stop in cities like Portland, Sacramento, and Los Angeles.
Packing
San Diego is sunny; bring sunscreen and light clothing.
Airport Transit
Use the light rail or ride-share to get to SEA airport.
Car Rental
Rent a car in San Diego to explore the surrounding areas.