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How to get fromOntario to St. Louis (Region)by plane, bus (Greyhound), train (Amtrak), car, taxi, or bus

Find Transport to St. Louis (Region)

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There are 7 ways to get from Ontario to St. Louis (Region) by plane, bus (Greyhound), train (Amtrak), car, taxi, or bus

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

  1. Fly from Ontario International Airport

    best
    1. Fly from Ontario International Airport (ONT) to Lambert–St. Louis International Airport (STL)plane plane ONT - STL
    5h 53m
    $181–530

  2. Bus to Los Angeles International Airport, fly

    cheapest
    1. Take the bus from Pomona Transit Center to Union Station Patsaouras Bus Plaza Wbus bus
    2. Fly from Los Angeles International Airport (LAX) to Lambert–St. Louis International Airport (STL)plane plane LAX - STL
    7h 54m
    $133–254

  3. Bus (Greyhound)

    1. Take the bus from Montclair Transcenter to St Louis Bus Stationbus bus Greyhound US1210
    39h 12m
    $358–572

  4. Train via Kansas City (Amtrak)

    1. Take the train from San Bernardino to Kansas Citytrain train Southwest Chief
    2. Take the train from Kansas City to St. Louistrain train Missouri River Runner / ...
    42h 51m
    $1,109–1,752

  5. Drive  1,773.4 mi

    1. Drive from Ontario to St. Louis (Region)car car 1,773.4 mi
    28h 12m
    $314–453

  6. Taxi to John Wayne Airport Orange County, fly

    1. Take the taxi from Ontario to Santa-Ana-Airport-SNAtaxi taxi
    2. Fly from John Wayne Airport Orange County (SNA) to Lambert–St. Louis International Airport (STL)plane plane SNA - STL
    6h 30m
    $281–843

  7. Train (Amtrak)

    1. Take the train from Ontario Amtrak to St. Louistrain train Texas Eagle
    2d 6h
    $1,300–2,100

Ontario to St. Louis (Region) by bus and train (Amtrak)

Calendar7Weekly Services
Duration42h 51mAverage Duration
Ticket$1,109Cheapest Price
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Comparing Your Travel Options

Map of how to get from Ontario to St. Louis (Region).ExpandLaunch map view
  • Distance: 1,556.5 mi
  • Duration: 5h 53m

What companies run services between Ontario, CA, USA and St. Louis (Region), MO, USA?

Southwest Airlines, United Airlines, and three other airlines fly from Ontario International Airport (ONT) to Lambert–St. Louis International Airport (STL) every 2 hours. Alternatively, Greyhound USA operates a bus from Montclair Transcenter to St Louis Bus Station once daily. Tickets cost $340–550 and the journey takes 39h 5m.

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Need to know: Greyhound

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