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How to get fromWashington to Diamond Barby plane, bus (Flixbus, Greyhound), train (Amtrak), car, bus, subway or train

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There are 8 ways to get from Washington to Diamond Bar by plane, bus (Flixbus, Greyhound), train (Amtrak), car, bus, subway, 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
    9h 23m
    $387–1,576

  2. Train to Baltimore-Washington International Airport, fly to Los Angeles International Airport, bus

    cheapest
    1. Take the train from Washington Union Station to BWI Thurgood Marshalltrain train
    2. Fly from Baltimore-Washington International Airport (BWI) to Los Angeles International Airport (LAX)plane plane BWI - LAX
    3. Take the bus from Harbor Transitway / Harbor Fwy Station to El Monte Station - Upper Levelbus bus
    10h 1m
    $126–1,027

  3. Bus

    1. Take the bus from Washington Union Station to Atlanta Bus Stationbus bus
    2. Take the bus from Atlanta Bus Station to Houston Bus Stationbus bus
    3. Take the bus from Houston Bus Station to El Paso Bus Stationbus bus
    4. Take the bus from El Paso to El Montebus bus
    2d 11h
    $344–888

  4. Train via San Bernardino (Amtrak)

    1. Take the train from Rockville Amtrak to Chicago Union Stationtrain train Floridian
    2. Take the train from Chicago Union Station to San Bernardinotrain train Southwest Chief
    2d 15h
    $279–891

  5. Drive 2,587.4 mi

    1. Drive from Washington to Diamond Barcar car 2,587.4 mi
    42h 21m
    $473–683

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

    1. Fly from Ronald Reagan Washington National Airport (DCA) to Los Angeles International Airport (LAX)plane plane DCA - LAX
    2. Take the bus from Harbor Transitway / Harbor Fwy Station to El Monte Station - Upper Levelbus bus
    8h 28m
    $250–1,015

  7. Subway to Washington Dulles International Airport, fly to Los Angeles International Airport, bus

    1. Take the subway from Farragut West, Blue/Orange/Silver Line Track 2 Platform to Washington Dulles International Airport, Silver Line Center Platformsubway subway
    2. Fly from Washington Dulles International Airport (IAD) to Los Angeles International Airport (LAX)plane plane IAD - LAX
    3. Take the bus from Harbor Transitway / Harbor Fwy Station to El Monte Station - Upper Levelbus bus
    10h 2m
    $306–670

  8. Train (Amtrak)

    1. Take the train from Washington Union Station to Chicago Union Stationtrain train
    2. Take the train from Chicago Union Station to Pomona Amtraktrain train
    3d 11h
    $316–1,307

Washington to Diamond Bar by bus

Calendar7Weekly Buses
Duration2d 11hAverage Duration
Ticket$344Cheapest Price
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Questions & Answers

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

Southwest Airlines, United 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 Grand Ave and Valley Blvd via Atlanta Bus Station, Houston Bus Station, El Paso Bus Station, El Paso, El Monte, and Valley Blvd and La Madera Ave E in around 2d 11h.

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