Is San Diego expensive?

Yes, it is one of the more expensive cities in California.

How long is the flight?

Total travel time with a layover is about 8 hours.

There is no direct train; it would require multiple transfers.

What is the best area to stay?

Gaslamp Quarter or La Jolla are popular choices.

A car is highly recommended for exploring the region.

Sullivan's Island

San Diego

Flight Driving

Sullivan's Island to San Diego

Updated: 28 May 2026

The route from Sullivan's Island to San Diego covers roughly 4,200 kilometers. Flying from Charleston (CHS) to San Diego International (SAN) is the most efficient option. If you choose to drive, you will follow I-20 and I-10 across the southern United States. This journey takes you through diverse landscapes, from the humid South to the arid deserts of the Southwest and finally the Mediterranean climate of Southern California. Plan for a multi-day trip if driving.

Total Distance: 4,200 km driving distance, 3,600 km straight-line air distance.

Fastest Way

Flight from CHS to SAN with one layover, total time 8 hours.

Cheapest Way

Flight booked at least 3 weeks in advance, typically $300.

Compare Sullivan's Island to San Diego Routes

	Flight Connecting	Driving Direct
Duration	8 hours	40 hours
Avg Price	$300 - $550	$750 - $1,100 in fuel
Operator	Delta Air Lines	Personal Vehicle
Route	CHS to SAN via ATL or LAX.	I-26 W to I-20 W to I-10 W to I-8 W.
Tip	Book early to avoid high prices during peak summer months.	Check your brakes before descending into the San Diego basin.

Travel Tips

Airport Arrival
SAN is very close to downtown; use a rideshare for quick access.
Time Zones
Remember the three-hour time difference when scheduling calls.
Packing
Bring a light jacket for cool coastal evenings.
Booking
Use flight alerts to track price changes for your travel dates.
Navigation
Use real-time traffic apps to navigate San Diego's busy freeways.