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How to get fromSeattle to Osanby plane, bus, subway, shuttle, or train

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There are 6 ways to get from Seattle to Osan by plane, bus, subway, shuttle, 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 Seattle-Tacoma International Airport to Incheon International Airport, bus

    best
    1. Fly from Seattle-Tacoma International Airport (SEA) to Incheon International Airport (ICN)plane plane SEA - ICN
    2. Take the bus from Incheon Int'l Airport T1 to Seoksu Stationbus bus
    16h 23m
    ₩521,878–924,078

  2. Fly Seattle-Tacoma International Airport to Gimpo International Airport, subway

    cheapest
    1. Fly from Seattle-Tacoma International Airport (SEA) to Gimpo International Airport (GMP)plane plane SEA - GMP
    2. Take the subway from Guro Station to Osan Stationsubway subway
    17h 52m
    ₩511,978–1,623,778

  3. Shuttle to Bellingham International Airport, fly to Incheon International Airport, bus

    1. Take a shuttle bus from Seattle, WA - Convention Center to Bellingham Airportshuttle bus
    2. Fly from Bellingham International Airport (BLI) to Incheon International Airport (ICN)plane plane BLI - ICN
    3. Take the bus from Incheon Int'l Airport T1 to Seoksu Stationbus bus
    22h 23m
    ₩608,733–1,898,278

  4. Train to Vancouver International Airport, fly to Incheon International Airport, bus

    1. Take the train from Seattle to Vancouvertrain train
    2. Fly from Vancouver International Airport (YVR) to Incheon International Airport (ICN)plane plane YVR - ICN
    3. Take the bus from Incheon Int'l Airport T1 to Seoksu Stationbus bus
    20h 13m
    ₩567,036–1,006,354

  5. Fly Seattle-Tacoma International Airport to Daegu International Airport, train

    1. Fly from Seattle-Tacoma International Airport (SEA) to Daegu International Airport (TAE)plane plane SEA - TAE
    2. Take the train from Dongdaegu Station to Pyeongtaek Jije Stationtrain train
    18h 59m
    ₩787,578–2,376,178

  6. Fly Seattle-Tacoma International Airport to Busan / Gimhae International Airport, bus, train

    1. Fly from Seattle-Tacoma International Airport (SEA) to Busan / Gimhae International Airport (PUS)plane plane SEA - PUS
    2. Take the bus from Gimhae Int'l Airport to Dongdaegu Terminalbus bus
    3. Take the train from Dongdaegu Station to Pyeongtaek Jije Stationtrain train
    20h 9m
    ₩540,578–1,681,178

Seattle-Tacoma International Airport (SEA) to Incheon International Airport (ICN) flights

Calendar45Weekly Planes
Duration13h 6mAverage Duration
Ticket₩406,748Cheapest Price
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Comparing Your Travel Options

Map of how to get from Seattle to Osan.ExpandLaunch map view
  • Distance: 8,489.8 km
  • Duration: 16h 23m

What companies run services between Seattle, WA, USA and Osan, South Korea?

There is no direct connection from Seattle to Osan. However, you can take the vehicle to SeaTac/Airport, walk to Seattle-Tacoma International Airport (SEA) airport, fly to Incheon International Airport (ICN), walk to Incheon Int'l Airport T1, take the bus to Seoksu Station, walk to Seoksu Station, then take the line 1 subway to Osan Station. Alternatively, you can take the vehicle to SeaTac/Airport, walk to Seattle-Tacoma International Airport (SEA) airport, fly to Gimpo International Airport (GMP), walk to Gimpo Airport Domestic Terminal, take the bus to Guro Industrial and Tool Shopping Center, walk to Guro Station, then take the subway to Osan Station.

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