Seaside
Seaside
San Diego
San Diego
Flight Driving

Seaside to San Diego

Updated: 31 May 2026

The journey from Seaside to San Diego is approximately 1800 kilometers. You can drive south on I-5, which is a long 20-22 hour trip. Alternatively, you can drive to Portland International Airport (PDX) and fly to San Diego International Airport (SAN). Flying is significantly faster, taking about 3 hours in the air.

Total Distance: Driving distance: 1800 km. Air distance: 1500 km.
Fastest Way
Flight from PDX to SAN.
Cheapest Way
Driving your own vehicle.
Compare Seaside to San Diego Routes
Flight
Direct
Driving
Direct
Duration 3 hours (flight time) 20 hours
Avg Price 250-450 USD 250-350 USD (fuel)
Operator Alaska Airlines / Southwest Personal Vehicle
Route PDX to SAN. I-5 South.
Tip Book your flight from PDX to SAN for the fastest travel. The drive is very long; plan for multiple overnight stops.
Travel Tips
  • Traffic
    San Diego traffic can be heavy; plan accordingly.
  • Public Transit
    Use the trolley system to get around the city.
  • Weather
    San Diego has great weather year-round; bring sunscreen.
  • Dining
    Enjoy the fresh seafood and Mexican food in the city.
  • Parking
    Parking in downtown San Diego is generally accessible.
Safety Tips
  • Road Safety
    Stay alert on the busy I-5 corridor.
  • Vehicle Prep
    Ensure your vehicle is ready for a long drive.
  • Emergency
    Cell service is excellent in the San Diego area.
  • Night Driving
    I-5 is well-lit, but watch for traffic congestion.
People Also Ask
  • Is there a train?
    No, there is no direct train from Seaside to San Diego.
  • How long is the flight?
    Approximately 3 hours.
  • Is the drive scenic?
    The I-5 route is not particularly scenic.
  • What is the best way?
    Flying is the fastest.
  • Are there tolls?
    No, there are no tolls on the I-5 route.
Quick Info
  • From Seaside, California, United States
  • To San Diego, California, United States
  • Modes
Best Time to Travel

Spring or autumn for mild weather in San Diego.

Things to Do in San Diego
1
Balboa Park
Explore the museums, gardens, and the famous zoo.
2
San Diego Zoo
Visit one of the most famous zoos in the world.
3
La Jolla Cove
Enjoy the beautiful beach and see the sea lions.
4
USS Midway Museum
Tour the historic aircraft carrier.
Tags
Seaside to San Diego flight driving to San Diego Oregon to California travel Seaside to San Diego distance best way to reach San Diego coastal travel San Diego transit Seaside to San Diego transport