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How to get fromOntario to San Diegoby train (Amtrak), bus (Flixbus), car, bus (Greyhound), bus, or train

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There are 5 ways to get from Ontario to San Diego by train (Amtrak), bus (Flixbus), car, bus (Greyhound), bus, or train

Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.

  1. Train

    best
    1. Take the train from Montclair to L.A. Union Stationtrain train SB Line
    2. Take the train from Los Angeles to San Diegotrain train Pacific Surfliner
    6h 8m
    $50–99
  2. Line 59 bus, bus

    cheapest
    1. Take the bus from Ring-Brea Mall to The Depot At Santa Ana Dock 3bus bus 59
    2. Take the bus from Santa Ana Bus Stop to San Diegobus bus FlixBus 2017
    6h 14m
    $19–35
  3. Drive 112.7 mi

    1. Drive from Ontario to San Diegocar car 112.7 mi
    1h 55m
    $21–30
  4. Line 59 bus, bus #2

    1. Take the bus from Ring-Brea Mall to The Depot At Santa Ana Dock 3bus bus 59
    2. Take the bus from Santa Ana to San Diegobus bus Los Angeles
    6h 14m
    $23–38
  5. Line 59 bus, train

    1. Take the bus from Ring-Brea Mall to The Depot At Santa Ana Dock 3bus bus 59
    2. Take the train from Santa Ana to San Diegotrain train Pacific Surfliner
    6h 31m
    $34–75

Ontario to San Diego by bus, train, and foot

Calendar91Weekly Services
Duration6h 8mAverage Duration
Ticket$50Cheapest Price
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Questions & Answers

What companies run services between Ontario, CA, USA and San Diego, CA, USA?

You can take a bus from Mountain @ 5th Street to San Diego via Montclair Transit Center, Montclair, L.A. Union Station, and Los Angeles in around 6h 8m. Alternatively, you can take a bus from Holt @ Lemon to San Diego via Pomona Transit Center, Brea Mall, Ring-Brea Mall, and Santa Ana Bus Stop in around 6h 14m.

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