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

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There are 9 ways to get from Seattle to Diamond Bar by plane, bus, bus (Greyhound, Flixbus), train (Amtrak), car, or tram

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 Seattle-Tacoma International Airport 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
    $66–391

  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 / ...
    28h 11m
    $200–321

  3. Train (Amtrak)

    1. Take the train from Seattle to Los Angelestrain train Coast Starlight
    37h 47m
    $755–1,164

  4. Drive  1,161.9 mi

    1. Drive from Seattle to Diamond Barcar car 1,161.9 mi
    19h 37m
    $199–287

  5. Fly Seattle-Tacoma International Airport 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
    $141–302

  6. Fly Seattle-Tacoma International Airport to John Wayne Airport Orange County, line 286 bus

    1. Fly from Seattle-Tacoma International Airport (SEA) to John Wayne Airport Orange County (SNA)plane plane SEA - SNA
    2. Take the bus from Brea Mall to Diamond Bar Blvd and Sunset Crossing Rdbus bus
    7h 48m
    $136–411

  7. Fly Seattle-Tacoma International Airport 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 36m
    $87–411

  8. Fly Seattle-Tacoma International Airport 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 28m
    $80–365

  9. Fly Paine Field County Airport to John Wayne Airport Orange County, line 286 bus

    1. Fly from Paine Field County Airport (PAE) to John Wayne Airport Orange County (SNA)plane plane PAE - SNA
    2. Take the bus from Brea Mall to Diamond Bar Blvd and Sunset Crossing Rdbus bus
    8h 6m
    $180–886

Seattle to Diamond Bar by bus

Calendar7Weekly Buses
Duration28h 11mAverage Duration
Ticket$200Cheapest Price
See schedules

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 28h 11m. Alternatively, Amtrak operates a train from Seattle to Los Angeles once daily. Tickets cost $750–1,200 and the journey takes 35h 16m.

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Want to know more about travelling around United States

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Need to know: Greyhound

Read the travel guideNeed to know: Greyhound

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