Is there a direct flight?

No, most flights from Dayton to San Diego require a layover.

How long is the drive?

The drive is approximately 32 hours.

San Diego is generally safe, but exercise caution in certain night areas.

What is the best way to get around?

A rental car is the most convenient way to explore San Diego.

Yes, it is mild and pleasant year-round.

Dayton

San Diego

Flight Driving

Dayton to San Diego

Updated: 28 May 2026

The distance from Dayton to San Diego is approximately 2,200 miles. Flying from Dayton International Airport (DAY) to San Diego International Airport (SAN) is the most efficient method. Driving takes about 32 hours via I-70 and I-15. This route takes you from the Midwest to the West Coast.

Total Distance: Driving distance 3,500 km, straight-line air distance 3,000 km.

Fastest Way

Flying is the fastest way to reach San Diego, taking only 7 hours.

Cheapest Way

Driving is generally cheaper for groups, while flying is better for solo travelers.

Compare Dayton to San Diego Routes

	Flight Connecting	Driving Direct
Duration	7 hours	32 hours
Avg Price	$300 - $600	$350 - $500 in fuel
Operator	Southwest Airlines	Personal Vehicle
Route	DAY to SAN via Chicago or Denver.	I-70 to I-15.
Tip	Southwest Airlines has a major hub at SAN.	Be prepared for long stretches of desert driving.

Travel Tips

Weather
San Diego has mild weather year-round; pack light.
Transportation
San Diego is a car-centric city; renting a car is highly recommended.
Airport Access
The SAN airport is very close to downtown; ride-share is easy.
Dining
Try the local Mexican food; it is a staple of the local culture.
Booking
Book flights at least 3 weeks in advance for better pricing.

Safety Tips

Driving
San Diego highways can be fast and busy; stay alert and follow speed limits.
Weather
Monitor local news for severe weather or wildfire warnings.
General Safety
Stay in well-lit areas when exploring downtown at night.
Emergency Info
Keep a list of local emergency contacts in your phone.