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

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There are 7 ways to get from Seattle to Diamond Bar by tram, plane, bus, bus (Greyhound, Flixbus), train, 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. Tram, fly to Ontario International Airport, line 482 bus

    best
    1. Take the tram from Pioneer Square to SeaTac/Airporttram tram
    2. Fly from Seattle-Tacoma International Airport (SEA) to Ontario International Airport (ONT)plane plane SEA - ONT
    3. Take the bus from Pomona Transit Center to Diamond Bar Blvd and Sunset Crossing Rdbus bus
    6h 20m
    $149–424

  2. Fly to Long Beach Airport, tram

    cheapest
    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 52m
    $93–398

  3. 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
    $181–347

  4. 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
    $454–896

  5. Drive 1,161.9 mi

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

  6. 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 45m
    $154–445

  7. 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 58m
    $325–474

Seattle to Diamond Bar by bus

Calendar14Weekly Buses
Duration27h 46mAverage Duration
Ticket$181Cheapest Price
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Questions & Answers

Map of how to get from Seattle to Diamond Bar.ExpandLaunch map view
  • Distance: 990.6 mi
  • Duration: 6h 20m

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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