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How to get fromSeaTac to Unionby plane, bus (Greyhound, Flixbus), train (Amtrak), car, bus or train

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There are 9 ways to get from SeaTac to Union by plane, bus (Greyhound, Flixbus), train (Amtrak), car, bus, 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. Fly to Newark Liberty International Airport

    best
    1. Fly from Seattle-Tacoma International Airport (SEA) to Newark Liberty International Airport (EWR)plane plane SEA - EWR
    5h 55m
    $136–545

  2. Bus

    1. Take the bus from Seattle Bus Station to Denver Union Stationbus bus
    2. Take the bus from Denver Union Station to Chicago Bus Stationbus bus
    3. Take the bus from Chicago Bus Station to Newark Penn Stationbus bus
    2d 21h
    $484–949

  3. Train via Penn Station (Amtrak)

    1. Take the train from Seattle to Chicago Union Stationtrain train
    2. Take the train from Chicago Union Station to Ny Moynihan Train Hall At Penn Stationtrain train
    2d 21h
    $815–1,916

  4. Drive 2,790.8 mi

    1. Drive from SeaTac to Unioncar car 2,790.8 mi
    45h 27m
    $510–736

  5. Fly to John F. Kennedy International Airport

    1. Fly from Seattle-Tacoma International Airport (SEA) to John F. Kennedy International Airport (JFK)plane plane SEA - JFK
    7h
    $151–573

  6. Fly to Laguardia Airport, bus

    1. Fly from Seattle-Tacoma International Airport (SEA) to Laguardia Airport (LGA)plane plane SEA - LGA
    2. Take the bus from Port Authority Bus Terminal to Morris Ave At Grandview Avebus bus
    8h 59m
    $176–688

  7. Fly to Philadelphia International Airport, train

    1. Fly from Seattle-Tacoma International Airport (SEA) to Philadelphia International Airport (PHL)plane plane SEA - PHL
    2. Take the train from 30th Street Station to Newark Penn Stationtrain train
    8h 39m
    $188–1,303

  8. Train (Amtrak)

    1. Take the train from Seattle to Chicago Union Stationtrain train
    2. Take the train from Chicago Union Station to Newark Penn Stationtrain train
    3d 4h
    $854–2,009

  9. Bus, train

    1. Take the bus from Seattle-Tacoma International Airport to Vancouver Waterfront Station, BCbus bus
    2. Take the train from Vancouver to Toronto Union Stationtrain train
    3. Take the train from Toronto Union Station to New York Penn Stationtrain train
    4. Take the bus from Port Authority Bus Terminal to Morris Ave At Grandview Avebus bus
    4d 19h
    $389–670

SeaTac to Union by bus

Calendar7Weekly Buses
Duration2d 21hAverage Duration
Ticket$484Cheapest Price
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Questions & Answers

What companies run services between SeaTac, WA, USA and Union, Union County, NJ, USA?

Alaska Airlines, Inc., United Airlines, and Delta fly from Seattle-Tacoma International Airport (SEA) to Newark Liberty International Airport (EWR) every 2 hours. Alternatively, you can take a bus from International Blvd & S 176th St - Bay 2 to Vauxhall Rd At Coolidge Ave via SODO Busway & S Royal Brougham Way, Seattle Bus Station, Denver Union Station, Chicago Bus Station, and Newark Penn Station in around 2d 21h.

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