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

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

    best
    1. Take the tram from Int'l Dist/Chinatown 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 12m
    $104–504

  2. Fly Seattle-Tacoma International Airport to Los Angeles International Airport, bus

    cheapest
    1. Fly from Seattle-Tacoma International Airport (SEA) to Los Angeles International Airport (LAX)plane plane SEA - LAX
    2. Take the bus from Harbor Transitway / Harbor Fwy Station to El Monte Station - Upper Levelbus bus
    6h 59m
    $70–328

  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 / ...
    26h 9m
    $135–382

  4. Train (Amtrak)

    1. Take the train from Seattle to Los Angelestrain train Coast Starlight
    37h 46m
    $168–720

  5. Drive 1,161.9 mi

    1. Drive from Seattle to Diamond Barcar car 1,161.9 mi
    19h 36m
    $212–307

  6. Fly Paine Field County Airport to Los Angeles International Airport, bus

    1. Fly from Paine Field County Airport (PAE) to Los Angeles International Airport (LAX)plane plane PAE - LAX
    2. Take the bus from Harbor Transitway / Harbor Fwy Station to El Monte Station - Upper Levelbus bus
    8h 19m
    $74–360

  7. Tram to Seattle-Tacoma International Airport, fly to Burbank Bob Hope Airport, train, line 190 bus

    1. Take the tram from Int'l Dist/Chinatown to SeaTac/Airporttram tram
    2. Fly from Seattle-Tacoma International Airport (SEA) to Burbank Bob Hope Airport (BUR)plane plane SEA - BUR
    3. Take the train from L.A. Union Station to Baldwin Parktrain train
    4. Take the bus from Ramona Blvd and Bogart Ave E to Temple Ave and University Drbus bus
    8h 24m
    $102–457

Seattle to Diamond Bar by bus

Calendar14Weekly Buses
Duration26h 9mAverage Duration
Ticket$135Cheapest Price
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Questions & Answers

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 26h 9m. Alternatively, Amtrak operates a train from Seattle to Los Angeles once daily. Tickets cost $160–750 and the journey takes 35h 16m.

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