How long is the flight?

A direct flight from Detroit to San Diego is about 5 hours.

Is it better to drive or fly?

Flying is much faster and more convenient for this distance.

What is the best way to get around San Diego?

A car is the best way to navigate the city.

Are there direct flights?

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

Do I need a car in San Diego?

Yes, a car is essential for navigating the city's sprawling layout.

Troy

San Diego

Flight Driving

Troy to San Diego

Updated: 28 May 2026

The journey from Troy to San Diego covers approximately 2,000 miles. Flying from Detroit Metropolitan Airport (DTW) to San Diego International Airport (SAN) is the most efficient method, with a flight time of about 5 hours. Driving is an alternative, taking roughly 35 to 40 hours via I-80 and I-15. San Diego is a major tourist destination, and both air and road travel are well-supported. Plan your trip to enjoy the city's beaches, dining, and entertainment options.

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

Fastest Way

A direct flight from DTW to SAN is the fastest, taking approximately 5 hours.

Cheapest Way

Flying is generally the most cost-effective and time-efficient method.

Compare Troy to San Diego Routes

	Flight Direct	Driving Direct
Duration	5 hours	38 hours
Avg Price	$300-$600	$500-$800 in fuel
Operator	Delta Air Lines	Personal Vehicle
Route	DTW to SAN.	I-80 West to I-15 South.
Tip	SAN is a major hub; flights are frequent and convenient.	Expect heavy traffic in major cities along the route.

Travel Tips

Transportation
A car is highly recommended in San Diego due to the city's sprawling layout.
Dining
Try the local Mexican cuisine; it is a must-try experience.
Weather
Be prepared for mild and sunny weather, even in the winter.
Events
Check the city calendar for major events that may impact hotel availability.
Planning
Book your zoo tickets in advance to save time and money.

Safety Tips

General Safety
Stay aware of your surroundings, especially in busy tourist areas.
Driving
Traffic in San Diego can be fast-paced; stay maintain a safe distance.
Personal Safety
Keep your belongings secure in your vehicle at all times.
Emergency
Know the location of the nearest hospital or police station.