Yes, flying is much faster and often more convenient.

What is the best airport?

San Diego International (SAN) is the primary airport.

No, San Diego has excellent public transit and a car is a burden.

How long is the drive?

It is a 22-hour drive under normal conditions.

Are there direct flights?

Yes, several airlines offer direct flights from Kansas City to San Diego.

Merriam

San Diego

Flight Driving

Merriam to San Diego

Updated: 29 May 2026

The trip from Merriam to San Diego covers approximately 2,400 kilometers. The most common driving route takes you west on I-70 and then I-15. This is a very long drive that can be completed in about 22-24 hours. Alternatively, direct flights are available from Kansas City International to San Diego International Airport. Flying is the most practical option for most travelers.

Total Distance: 2,400 km driving distance; 2,100 km straight-line air distance.

Fastest Way

Flying from MCI to SAN is the fastest way to reach the city.

Cheapest Way

Flying is often more cost-effective than the long drive.

Compare Merriam to San Diego Routes

	Flight Direct	Driving Direct
Duration	3 hours 30 mins	22 hours
Avg Price	$200-$400	$300-$400 in fuel
Operator	Southwest Airlines	Personal Vehicle
Route	MCI to SAN	I-70 West to I-15 South.
Tip	San Diego International is well-connected to the city via public transit.	The drive is very long; plan for at least two stops.

Travel Tips

Public Transit
The trolley system is the best way to get around San Diego.
Walking
San Diego is a very walkable city; wear comfortable shoes.
Dining
Try the local food scene, especially the Mexican cuisine.
Parking
Parking is expensive and limited; avoid bringing a car.
Weather
San Diego weather is generally mild; check the forecast before you travel.