Is it better to fly or drive to San Diego?

Flying is significantly faster and often more cost-effective than a multi-day road trip.

How long is the flight to San Diego?

Flights typically take 8 to 10 hours including a layover.

What is the best highway to take to San Diego?

I-40 West is the most common and scenic route for cross-country travelers.

Are there direct flights from Missouri?

No, all flights from Missouri to San Diego require at least one connection.

What should I pack for San Diego?

Pack light clothing, a light jacket for evenings, and comfortable walking shoes.

Alton

San Diego

Flight Driving

Alton to San Diego

Updated: 28 May 2026

The trip from Alton, Missouri to San Diego, California is a major cross-country journey of over 2,800 kilometers. Flying from Springfield-Branson National Airport is the most efficient way to reach the coast. If you choose to drive, expect a multi-day journey across the American Southwest, passing through Oklahoma, Texas, New Mexico, and Arizona. This route offers diverse landscapes from the Ozark forests to the Sonoran Desert. Plan for at least 28 hours of driving time if going by car.

Total Distance: Driving distance 2,850 km, air distance 2,300 km.

Fastest Way

Flying takes 8 hours including layovers, compared to 3 days of driving.

Cheapest Way

Flying is often cheaper than the cost of fuel, hotels, and food for a 3-day drive.

Compare Alton to San Diego Routes

	Flight Connecting	Driving Direct
Duration	8 hours	28 hours
Avg Price	$300 - $700	$500 - $900 in fuel
Operator	Southwest Airlines	Personal Vehicle
Route	SGF to SAN via PHX or LAS.	I-44 W to I-40 W to I-15 S.
Tip	Southwest often offers the best value for flights into San Diego.	The I-40 route is historic and offers many interesting stops like the Grand Canyon.

Travel Tips

Airport Choice
Fly out of SGF to minimize your travel time to the airport.
Desert Safety
If driving, carry extra water and check your coolant levels before crossing the Arizona desert.
Time Zones
You will lose two hours moving from Central to Pacific time.
Packing
San Diego is casual; bring comfortable walking shoes and layers for the cool ocean breeze.
Booking
Book your flights at least three weeks in advance to secure the best rates.

Safety Tips

Driving Fatigue
Do not attempt to drive the full distance in one go; plan for overnight stops in cities like Amarillo or Albuquerque.
Sun Protection
The California sun is strong; wear sunscreen even on cloudy days.
Vehicle Security
Never leave valuables in your car, especially when parked at tourist attractions.
Emergency Prep
Keep a spare tire and jack in your vehicle and know how to use them.