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

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There are 10 ways to get from Washington to Diamond Bar by plane, bus (Flixbus, Greyhound), train (Amtrak), car, train, or subway

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 22m
    $467–1,967

  2. Train to Baltimore-Washington International Airport, fly to Los Angeles 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 Los Angeles International Airport (LAX)plane plane BWI - LAX
    10h 5m
    $151–1,166

  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
    $447–828

  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
    $650–1,512

  5. Drive 2,587.6 mi

    1. Drive from Washington to Diamond Barcar car 2,587.6 mi
    42h 26m
    $473–683

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

    1. Fly from Ronald Reagan Washington National Airport (DCA) to Los Angeles International Airport (LAX)plane plane DCA - LAX
    8h 33m
    $235–973

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

    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 56m
    $265–1,753

  8. Subway to Washington Dulles International Airport, fly to Los Angeles International Airport

    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
    10h 4m
    $321–629

  9. Fly Ronald Reagan Washington National Airport to San Diego International Airport, train

    1. Fly from Ronald Reagan Washington National Airport (DCA) to San Diego International Airport (SAN)plane plane DCA - SAN
    2. Take the train from San Diego Old Town Transportation Center to Fullerton Amtrak Stationtrain train
    11h 31m
    $508–2,104

  10. 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
    $774–1,797

Washington to Diamond Bar by bus

Calendar7Weekly Buses
Duration2d 11hAverage Duration
Ticket$447Cheapest Price
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Questions & Answers

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

United Airlines, Southwest 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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