Flight
Driving
Kennebunk to San Diego
Updated: 28 May 2026
The journey from Kennebunk to San Diego covers 4,800 km. Flying into San Diego International Airport (SAN) is the only practical choice. Driving is a massive cross-country expedition. This route takes you from the Atlantic coast to the Pacific coast.
Total Distance: 4,800 km driving, 4,200 km air distance.
Fastest Way
Flying from Portland (PWM) to San Diego (SAN) is the fastest, taking 11 hours.
Cheapest Way
Flying is significantly cheaper than driving when factoring in fuel, hotels, and time.
Compare Kennebunk to San Diego Routes
|
Connecting
|
Direct
|
|
|---|---|---|
| Duration | 11 hours | 45 hours |
| Avg Price | 450 to 900 dollars | 700 dollars in fuel |
| Operator | United Airlines | Personal Vehicle |
| Route | PWM to SAN via EWR or ORD. | I-80 West to I-15 South. |
| Tip | SAN is a major hub with many connections. | This is a major cross-country trip; plan for at least five overnight stops. |
Travel Tips
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AirportSAN is located very close to downtown; taxis and rideshares are readily available.
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WeatherSan Diego has mild weather year-round.
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BookingBook flights early for the best rates.
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PackingPack light clothing and comfortable walking shoes.
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NavigationUse GPS to navigate the city's busy streets.
Safety Tips
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DrivingBe prepared for heavy traffic and aggressive drivers.
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WeatherStay hydrated and avoid prolonged sun exposure.
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EmergencyKeep a roadside kit in your vehicle.
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CommunicationEnsure your phone is charged for navigation.
People Also Ask
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Is San Diego walkable?Some areas are walkable, but you need a car for the wider region.
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How long is the drive?It takes about 45 hours of driving time.
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Are there direct flights?No, you will need to connect through a hub.
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What is the best time to visit?Spring and fall offer the best weather.
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Is it safe to drive?Yes, the highways are well-maintained.
Quick Info
- From Kennebunk, Maine, United States
- To San Diego, California, United States
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Modes
Best Time to Travel
March to May or September to November for mild weather.
Things to Do in San Diego
1
Balboa Park
A large urban park featuring museums, gardens, and the zoo.
2
San Diego Zoo
A world-famous zoo located in Balboa Park.
3
La Jolla Cove
A beautiful coastal area known for its sea lions and beaches.
4
USS Midway Museum
A museum located on a historic aircraft carrier.
Tags
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