Los Angeles to San Diego

The fastest journey from Los Angeles to San Diego takes 2h 1m door to door, of which 1h 18m is spent moving, on the train. Most services take around 2h 59m, because that average includes slower stopping services and journeys with a connection. Times include reaching the terminal and leaving it at the far end.

The cheapest fare from Los Angeles to San Diego is €19.04, as of September 19, 2026. A typical fare across the next three weeks is €32.00. Both figures are the total for one passenger, including taxes, supplier fees and our service fee, so nothing is added at checkout.

The cheapest way from Los Angeles to San Diego is by train, at €19.04 for one passenger on October 5, 2026. That journey takes 2h 2m door to door. Cheaper is rarely faster on this corridor, and the comparison table on this page shows what each mode costs against what it saves.

The fastest way from Los Angeles to San Diego is by train, at 2h 2m door to door. Only 1h 18m of that is spent moving; the remaining 44m is reaching the terminal and leaving it at the far end. The cheapest fare on that mode is €19.04.

Fares from Los Angeles to San Diego bottom out around 45 days before departure, at €15.19. Across the whole booking window the gap between the cheapest and the most expensive lead time is 161 percent, measured on September 19, 2026. Booking inside the last week has consistently cost more on this corridor.

Monday is the cheapest day to depart from Los Angeles to San Diego, at €23.99. That is the median of 21 priced departure days across the next three weeks, as of September 19, 2026. Shifting a departure by one day is usually worth more than shifting the booking by one week.

February is the cheapest of the next 5 months to travel from Los Angeles to San Diego, at €16.29 for one passenger. Each month is priced on its fifteenth, so the comparison is like for like rather than a mix of weekends and midweek departures.

No operator record names Los Angeles to San Diego directly. American Eagle Airlines, Amtrak California, Lossan Rail Corridor Agency, SkyWest, United Airlines publish service areas covering both ends and may serve it, so we list them as possible operators rather than confirmed ones.

Every service we sell from Los Angeles to San Diego is direct, with around 36 departures a day and a fastest journey of 2h 1m door to door. No connection is needed, so there is no missed connection risk to plan around on this corridor.

Traveling from Los Angeles to San Diego by train produces about 5.9 kg of CO2 per passenger, the lowest of any mode on this corridor. The same journey by Flight produces about 45.5 kg, roughly 8 times as much for one passenger.

Services from Los Angeles to San Diego by train leave from Los Angeles Union Station and arrive at Santa Fe Depot. Allow about 44m in total for reaching the departure terminal and leaving the arrival one, which is already included in every door to door time on this page.

2 of the 5 operators we sell from Los Angeles to San Diego allow a change or a refund. A change on a changeable fare costs €5.00. The operator table on this page names which is which, and the condition is shown again before you pay.