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How to get fromSeattle to Diamond Barby plane, bus, bus (Greyhound, Flixbus), train, tram, or car

Find Transport to Diamond Bar

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There are 7 ways to get from Seattle to Diamond Bar by plane, bus, bus (Greyhound, Flixbus), train, tram, or car

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 to Ontario International Airport, line 482 bus

    best
    1. Fly from Seattle-Tacoma International Airport (SEA) to Ontario International Airport (ONT)plane plane SEA - ONT
    2. Take the bus from Pomona Transit Center to Diamond Bar Blvd and Sunset Crossing Rdbus bus
    5h 53m
    $56–361

  2. Bus

    1. Take the bus from Seattle Bus Station to Sacramento Bus Stationbus bus Greyhound US0500
    2. Take the bus from Sacramento Bus Station to Los Angeles Union Stationbus bus Greyhound US0810 / ...
    27h 46m
    $176–294

  3. Train, tram

    1. Take the train from Seattle to Los Angelestrain train Coast Starlight
    2. Take the tram from Union Station - Metro A-Line to San Dimas Stationtram tram Metro A Line
    37h 6m
    $356–784

  4. Drive  1,161.9 mi

    1. Drive from Seattle to Diamond Barcar car 1,161.9 mi
    19h 37m
    $212–307

  5. Fly to Los Angeles International Airport, bus

    1. Fly from Seattle-Tacoma International Airport (SEA) to Los Angeles International Airport (LAX)plane plane SEA - LAX
    2. Take the bus from Union Station Patsaouras Bus Plaza E to Cal Poly Pomona Adminbus bus
    6h 19m
    $141–342

  6. Fly to Burbank Bob Hope Airport, tram

    1. Fly from Seattle-Tacoma International Airport (SEA) to Burbank Bob Hope Airport (BUR)plane plane SEA - BUR
    2. Take the tram from Union Station - Metro A-Line to San Dimas Stationtram tram
    7h 41m
    $322–491

  7. Fly to Long Beach Airport, tram

    1. Fly from Seattle-Tacoma International Airport (SEA) to Long Beach Airport (LGB)plane plane SEA - LGB
    2. Take the tram from Del Amo Station to San Dimas Stationtram tram
    8h 24m
    $65–295

Seattle to Diamond Bar by bus

Calendar14Weekly Buses
Duration27h 46mAverage Duration
Ticket$176Cheapest Price
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Comparing Your Travel Options

Map of how to get from Seattle to Diamond Bar.ExpandLaunch map view
  • Distance: 988.9 mi
  • Duration: 5h 53m

What companies run services between Seattle, WA, USA and Diamond Bar, CA, USA?

You can take a bus from Seattle Bus Station to Cal Poly Pomona Admin via Sacramento Bus Station, Los Angeles Union Station, Cesar Chavez Transit Pavilion, Cal State La Transit Center, and Cal State LA E in around 27h 46m.

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