Is there a direct flight?

No, most flights from Boston to San Diego require a connection.

How long is the drive?

The drive is approximately 45 hours.

Is San Diego walkable?

The downtown area is walkable, but you will need a car for other areas.

What is the best airport?

San Diego International Airport (SAN) is the main hub.

Yes, expect tolls on the Massachusetts and New York turnpikes.

Plymouth

San Diego

Flight Driving

Plymouth to San Diego

Updated: 31 May 2026

The journey from Plymouth to San Diego covers approximately 3,000 miles. By car, you will travel across the entire country, taking about 45 hours of driving time. Flying from Boston Logan to San Diego International Airport (SAN) is the most practical option. San Diego is a beautiful city with a rich culture and many outdoor activities, making it a great destination.

Total Distance: 4,800 km driving, 4,200 km air distance.

Fastest Way

Flying is the fastest, taking about 9 hours total including airport time.

Cheapest Way

Driving is the most cost-effective for groups of three or more.

Compare Plymouth to San Diego Routes

	Flight Connecting	Driving Direct
Duration	9 hours	45 hours
Avg Price	$400-$900	$700-$900 in fuel
Operator	Delta or United	Personal Vehicle
Route	BOS to SAN via major hubs.	I-90 West to I-80 West to I-15 South.
Tip	Book flights well in advance to secure better pricing.	Plan for at least four overnight stops to break up the 45-hour drive.

Travel Tips

Driving Pace
Do not attempt the 45-hour drive in one or two days; plan for five days.
Airport Transit
Use ride-sharing services to get from SAN airport to downtown San Diego.
Local Culture
Try the local food at one of the many restaurants in the Gaslamp Quarter.
Parking
Parking in downtown San Diego is easy with several public garages available.
Navigation
San Diego is easy to navigate; use a reliable GPS.

Safety Tips

Driving Fatigue
Stop every 3 hours to stretch and stay alert on the long drive.
Weather
California can have extreme weather; check forecasts before traveling.
Vehicle Safety
Ensure your spare tire is inflated before starting your trip.
Emergency Prep
Keep a list of emergency contacts and a first-aid kit in your vehicle.