Is it better to fly or drive?

Flying is much faster, but driving allows you to see the desert landscapes.

How long is the drive?

It takes about 11 to 12 hours depending on traffic and weather conditions.

There are some toll roads in the San Diego area, but the main I-15 route is toll-free.

What is the best airport?

SAN is the primary airport serving the city.

Yes, especially on weekends and holidays.

Millcreek

San Diego

Flight Driving

Millcreek to San Diego

Updated: 28 May 2026

The route from Millcreek to San Diego covers approximately 1,150 kilometers. Driving via I-15 South is the most direct path, taking you through the desert landscapes of Utah, Nevada, and Southern California, typically requiring 11 to 12 hours. Alternatively, direct flights from Salt Lake City to San Diego International Airport take about 2 hours. This journey connects the mountain region of Utah with the beautiful coastal city of San Diego.

Total Distance: 1,150 km driving distance; 950 km straight-line air distance.

Fastest Way

Flying is the fastest method, with a total travel time of approximately 4 hours including airport transit.

Cheapest Way

Driving is the most economical for families, while budget airlines offer competitive one-way fares.

Compare Millcreek to San Diego Routes

	Flight Direct	Driving Direct
Duration	2 hours	11 hours 30 mins
Avg Price	$130-$350	$130-$190 in fuel
Operator	Southwest Airlines	Personal Vehicle
Route	SLC to SAN	I-15 South through Las Vegas to San Diego.
Tip	San Diego International Airport is located very close to downtown, making it easy to reach your hotel.	Traffic in the Inland Empire can be heavy; plan your arrival to avoid peak rush hours.

Travel Tips

Sun Protection
The Southern California sun is strong; wear sunscreen even on cloudy days.
Public Transit
The San Diego Trolley is an efficient way to get around downtown and to nearby attractions.
Parking
Parking in popular areas like La Jolla and Gaslamp Quarter can be difficult; use parking apps.
Dining
Try the local fish tacos, a staple of the San Diego culinary scene.
Airport Access
The airport is centrally located; a short Uber or taxi ride will get you to most downtown hotels.

Safety Tips

Beach Safety
Always swim near lifeguard towers and be aware of rip currents.
Vehicle Security
Do not leave valuables in your car, especially at beach parking lots.
Traffic Awareness
Be cautious on the I-15, as traffic can be fast-moving and unpredictable.
Emergency Preparedness
Keep a basic emergency kit in your car for long-distance driving.