Yes, the route through the desert and mountain passes is quite beautiful.

Are there direct flights?

Yes, several airlines offer direct flights from SLC to SAN.

How long is the drive?

It usually takes about 12 hours of driving time.

What is the best way to get around San Diego?

A rental car is recommended, though the trolley system is good for downtown.

Yes, it is a major, well-maintained interstate highway.

Layton

San Diego

Flight Driving

Layton to San Diego

Updated: 30 May 2026

The route from Layton to San Diego is a direct 1,150 km journey primarily following I-15 South. This highway takes you through the scenic landscapes of Utah, the Mojave Desert in Nevada, and into Southern California. Driving typically takes 11 to 13 hours. Alternatively, you can fly from Salt Lake City to San Diego International Airport, which is a quick 2-hour flight. This route is popular for those seeking a transition from the mountains to the coast.

Total Distance: 1,150 km driving; 980 km air distance.

Fastest Way

Flying is significantly faster than driving.

Cheapest Way

Driving is the most economical for families or groups.

Compare Layton to San Diego Routes

	Flight Direct	Driving Direct
Duration	2 hours	12 hours
Avg Price	$150 - $400	$150 - $250 in fuel
Operator	Delta Air Lines	Personal Vehicle
Route	SLC to SAN	I-15 S
Tip	Direct flights are frequently available from SLC.	The drive through the Cajon Pass can be busy; check traffic reports.

Travel Tips

Traffic
Avoid the I-15 corridor in Southern California during weekday rush hours.
Parking
San Diego parking can be expensive; look for hotels with included parking.
Coastal Weather
The coast can be cooler than inland areas; bring a light jacket.
Airport Access
SAN is very close to downtown; use a rideshare for quick access.
Route Planning
Download maps for the desert stretches of I-15.

Safety Tips

Desert Heat
Keep your car's cooling system in top shape for the Mojave Desert stretch.
Sun Safety
The California sun is strong; use protection even on cloudy days.
Emergency Prep
Carry a spare tire and know how to change it.
Hydration
Drink water regularly during the long drive.