Flight
Driving
Seaside to San Diego
Updated: 28 May 2026
The journey from Seaside to San Diego covers approximately 700 kilometers. You can drive via US-101 South and I-5 South, which takes about 7 to 8 hours. Alternatively, you can fly from Monterey Regional Airport (MRY) to San Diego International Airport (SAN) with a connection. This route takes you from the central coast through the heart of Southern California to the Mexican border.
Total Distance: Driving distance 700 km; Air distance 600 km.
Fastest Way
Flying is the fastest method, taking about 3 hours.
Cheapest Way
Driving is the most cost-effective for groups.
Compare Seaside to San Diego Routes
|
Connecting
|
Direct
|
|
|---|---|---|
| Duration | 3 hours | 8 hours |
| Avg Price | $200 - $400 | $100 in fuel |
| Operator | United Airlines | Personal Vehicle |
| Route | MRY to SAN via LAX or SFO. | US-101 S to I-5 S. |
| Tip | Connecting flights are the most practical option. | Expect heavy traffic in Los Angeles. |
Travel Tips
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TrafficAvoid driving through Los Angeles during rush hour.
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AirportSan Diego International Airport is very close to downtown.
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Car RentalA car is recommended for exploring San Diego's diverse neighborhoods.
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WeatherSan Diego has perfect weather year-round; bring light layers.
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NavigationUse GPS to navigate the busy freeways.
Safety Tips
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DrivingBe prepared for heavy traffic on I-5.
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Personal SafetyStay aware of your surroundings in downtown areas.
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EmergencyKeep your phone charged for navigation.
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ParkingAlways lock your car and hide valuables.
People Also Ask
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Is it better to fly or drive?Flying is faster, but driving allows for a scenic trip.
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How long is the drive?Usually 8 hours, but can be longer with traffic.
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Is I-5 safe?Yes, it is a major highway and generally safe.
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Do I need a car in San Diego?Yes, it is a sprawling city.
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Are there direct flights?No, you will need to connect.
Quick Info
- From Seaside, California, United States
- To San Diego, California, United States
-
Modes
Best Time to Travel
Spring and Fall for mild weather.
Things to Do in San Diego
1
Balboa Park
Huge urban park with museums and gardens. A San Diego highlight.
2
San Diego Zoo
World-famous zoo in Balboa Park. A must-see for all ages.
3
La Jolla Cove
Beautiful coastal area with sea lions and caves. Great for snorkeling.
4
USS Midway Museum
Historic aircraft carrier museum. Fascinating for history buffs.
Tags
Seaside to San Diego
driving to San Diego
flights to San Diego
California road trip
Monterey to San Diego
US-101 travel
I-5 route
Southern California travel
