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

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There are 11 ways to get from Chicago to Diamond Bar by plane, train (Amtrak), bus (Flixbus, Greyhound), car, 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 Chicago Midway International Airport to Ontario International Airport

    best
    1. Fly from Chicago Midway International Airport (MDW) to Ontario International Airport (ONT)planeMDW - ONT
    7h 35m
    $176–813

  2. Fly Chicago O'Hare International Airport to Los Angeles International Airport, bus

    cheapest
    1. Fly from Chicago O'Hare International Airport (ORD) to Los Angeles International Airport (LAX)planeORD - LAX
    2. Take the bus from Harbor Transitway / Harbor Fwy Station to El Monte Station - Upper Levelbus
    8h 47m
    $92–377

  3. Train via San Bernardino (Amtrak)

    1. Take the train from Chicago Union Station to San BernardinotrainSouthwest Chief
    43h 38m
    $188–589

  4. Bus

    1. Take the bus from Chicago Bus Station to St Louis Bus StationbusFlixBus N2521 / ...
    2. Take the bus from St Louis Bus Station to Montclair TranscenterbusGreyhound US1210
    47h 58m
    $250–506

  5. Drive 1,989.7 mi

    1. Drive from Chicago to Diamond Barcar1,989.7 mi
    30h 59m
    $364–525

  6. Fly Chicago O'Hare International Airport to Ontario International Airport

    1. Fly from Chicago O'Hare International Airport (ORD) to Ontario International Airport (ONT)planeORD - ONT
    8h 1m
    $136–663

  7. Fly Chicago Midway International Airport to Los Angeles International Airport, bus

    1. Fly from Chicago Midway International Airport (MDW) to Los Angeles International Airport (LAX)planeMDW - LAX
    2. Take the bus from Harbor Transitway / Harbor Fwy Station to El Monte Station - Upper Levelbus
    8h 28m
    $116–517

  8. Fly Chicago Midway International Airport to Long Beach Airport

    1. Fly from Chicago Midway International Airport (MDW) to Long Beach Airport (LGB)planeMDW - LGB
    9h 44m
    $150–669

  9. Fly Chicago Midway International Airport to Burbank Bob Hope Airport

    1. Fly from Chicago Midway International Airport (MDW) to Burbank Bob Hope Airport (BUR)planeMDW - BUR
    10h
    $174–776

  10. Fly Chicago O'Hare International Airport to John Wayne Airport Orange County, line 43 bus, line 143 bus, line 286 bus

    1. Fly from Chicago O'Hare International Airport (ORD) to John Wayne Airport Orange County (SNA)planeORD - SNA
    2. Take the bus from Harbor-Macarthur to Fullerton Trans Ctr Dock 2bus
    3. Take the bus from Fullerton Trans Ctr Dock 4 to Ring-Brea Mallbus
    4. Take the bus from Brea Mall to Diamond Bar Blvd and Sunset Crossing Rdbus
    11h 14m
    $130–517

  11. Train (Amtrak)

    1. Take the train from Chicago Union Station to Pomona AmtraktrainTexas Eagle
    2d 16h
    $223–709

Chicago to Diamond Bar by train and bus (Amtrak)

Calendar13Weekly Services
Duration43h 38mAverage Duration
Ticket$188Cheapest Price
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Questions & Answers

What companies run services between Chicago, IL, USA and Diamond Bar, CA, USA?

Southwest Airlines flies from Chicago Midway International Airport (MDW) to Ontario International Airport (ONT) every 4 hours. Alternatively, Amtrak operates a train from Chicago Union Station to San Bernardino twice daily. Tickets cost $180–600 and the journey takes 41h 21m.

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