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How to get fromWashington to Ontarioby plane, bus (Greyhound, Flixbus), train (Amtrak), car, or train

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There are 7 ways to get from Washington to Ontario by plane, bus (Greyhound, Flixbus), train (Amtrak), car, 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. Fly Ronald Reagan Washington National Airport to Ontario International Airport

    best
    1. Fly from Ronald Reagan Washington National Airport (DCA) to Ontario International Airport (ONT)plane plane DCA - ONT
    7h 15m
    $280–800

  2. Train to Baltimore-Washington International Airport, fly to Ontario International Airport

    cheapest
    1. Take the train from Washington Union Station to BWI Thurgood Marshalltrain train
    2. Fly from Baltimore-Washington International Airport (BWI) to Ontario International Airport (ONT)plane plane BWI - ONT
    8h 33m
    $202–1,395

  3. Bus

    1. Take the bus from Washington Union Station to Pittsburgh Intermodal Stationbus bus
    2. Take the bus from Pittsburgh Intermodal Station to St Louis Bus Stationbus bus
    3. Take the bus from St Louis Bus Station to Montclair Transcenterbus bus
    2d 13h
    $397–787

  4. Train via Riverside (Amtrak)

    1. Take the train from Rockville Amtrak to Chicago Union Stationtrain train Floridian
    2. Take the train from Chicago Union Station to Riversidetrain train Southwest Chief
    2d 15h
    $878–1,892

  5. Drive 2,581.7 mi

    1. Drive from Washington to Ontariocar car 2,581.7 mi
    42h 2m
    $472–681

  6. Fly Ronald Reagan Washington National Airport to Los Angeles International Airport, train

    1. Fly from Ronald Reagan Washington National Airport (DCA) to Los Angeles International Airport (LAX)plane plane DCA - LAX
    2. Take the train from Los Angeles to Ontario Amtraktrain train
    8h 21m
    $217–544

  7. Train (Amtrak)

    1. Take the train from Washington Union Station to Chicago Union Stationtrain train
    2. Take the train from Chicago Union Station to Ontario Amtraktrain train
    3d 10h
    $1,033–2,290

Washington to Ontario by bus

Calendar7Weekly Buses
Duration2d 13hAverage Duration
Ticket$397Cheapest Price
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Questions & Answers

Map of how to get from Washington to Ontario.ExpandLaunch map view
  • Distance: 2,259.3 mi
  • Duration: 7h 15m

What companies run services between Washington, DC, USA and Ontario, CA, USA?

Southwest Airlines, American Airlines, and two other airlines fly from Ronald Reagan Washington National Airport (DCA) to Ontario International Airport (ONT) every 4 hours. Alternatively, you can take a bus from Washington Union Station to Mountain @ D Street via Pittsburgh Intermodal Station, St Louis Bus Station, Montclair Transcenter, and Montclair Transit Center in around 2d 13h.

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