Trenton
Trenton
San Diego
San Diego
Flight

Trenton to San Diego

Updated: 28 May 2026

Reaching San Diego from Trenton is best accomplished by air. You can fly from Philadelphia (PHL) or Newark (EWR) to San Diego International Airport (SAN). The flight duration is approximately 6 hours. Driving is a significant undertaking, requiring several days across the southern United States. San Diego is known for its mild climate and coastal beauty.

Total Distance: Driving distance 4,500 km; straight-line air distance 3,900 km.
Fastest Way
Direct or one-stop flight from PHL or EWR, taking about 6 hours.
Cheapest Way
Flight from PHL to SAN, often available with budget carriers.
Compare Trenton to San Diego Routes
Flight
Connecting
Duration
6 hours
Avg Price
$300 - $650
Operator
Southwest Airlines
Route
PHL to SAN

Southwest often offers two free checked bags.

Travel Tips
  • Airport Location
    SAN is very close to downtown, making it easy to reach via taxi or Uber.
  • Weather
    San Diego has a Mediterranean climate; pack light layers.
  • Transportation
    The Trolley system is an efficient way to get around the city.
  • Beaches
    Coronado Beach is widely considered one of the best in the country.
  • Booking
    Book flights mid-week to find the lowest prices.
Safety Tips
  • Sun Safety
    The UV index is high; wear protection even on cloudy days.
  • Water Safety
    Swim only in areas with lifeguards due to strong rip currents.
  • General Safety
    San Diego is generally safe, but keep your belongings secure in tourist areas.
  • Emergency
    Dial 911 for assistance.
People Also Ask
  • Is there a direct flight?
    Most flights from the East Coast to San Diego involve a layover.
  • How far is the airport from downtown?
    The airport is only about 3 miles from the city center.
  • What is the best way to get around?
    A rental car is recommended for exploring the wider county.
  • Is San Diego expensive?
    It is a major city with costs comparable to other large California hubs.
  • Can I take a train?
    You can take Amtrak, but it is a multi-day journey across the country.
Quick Info
  • From Trenton, New Jersey, United States
  • To San Diego, California, United States
  • Modes
Best Time to Travel

March to May or September to November for ideal weather.

Things to Do in San Diego
1
Balboa Park
Visit the world-famous zoo and numerous museums. It is a massive cultural hub.
2
La Jolla Cove
Watch sea lions and enjoy the coastal scenery. It is perfect for snorkeling.
3
USS Midway Museum
Tour the historic aircraft carrier docked in the harbor. It is a major military landmark.
4
Gaslamp Quarter
Experience the vibrant nightlife and dining in the historic downtown district.
Tags
Trenton to San Diego flights to SAN NJ to San Diego best way to travel to San Diego PHL to SAN EWR to SAN traveling to California San Diego transport Trenton travel cross country flight