Rome2Rio

How to get fromCasper to SeaTacby plane, bus (Flixbus), car, bus, train, or bus (Greyhound)

Find Transport to SeaTac

See all options

There are 6 ways to get from Casper to SeaTac by plane, bus (Flixbus), car, bus, train, or bus (Greyhound)

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

    best
    1. Fly from Casper (CPR) to Seattle-Tacoma International Airport (SEA)plane plane CPR - SEA
    5h 48m
    $123–565
  2. Bus via Buffalo

    1. Take the bus from Casper 144 East A St to Buffalo, WYbus bus
    2. Take the bus from Buffalo to Billingsbus bus
    3. Take the bus from Billings, MT to Spokane Stationbus bus
    4. Take the bus from Spokane Station to Seattle Tacoma Intl Airportbus bus
    23h 38m
    $251–371
  3. Drive 1,097.5 mi

    1. Drive from Casper to SeaTaccar car 1,097.5 mi
    16h 52m
    $201–290
  4. Bus

    1. Take the bus from Casper Amtrak Station to Billings, MTbus bus
    2. Take the bus from Billings, MT to Spokane Stationbus bus
    3. Take the bus from Spokane Station to Seattle Tacoma Intl Airportbus bus
    25h
    $262–372
  5. Bus, train

    1. Take the bus from Casper Amtrak Station to Billings, MTbus bus
    2. Take the bus from Billings, MT to Spokane Stationbus bus
    3. Take the train from Spokane to Seattletrain train
    28h 3m
    $320–510
  6. Bus #2

    1. Take the bus from Casper 144 East A St to Denver Union Stationbus bus Buffalo
    2. Take the bus from Denver Union Station to Seattle Bus Stationbus bus Greyhound US0550
    34h 55m
    $313–550

Casper to SeaTac by bus and foot

Calendar4Weekly Services
Duration23h 38mAverage Duration
Ticket$251Cheapest Price
See schedules

Questions & Answers

What companies run services between Casper, WY, USA and SeaTac, WA, USA?

United Airlines flies from Casper (CPR) to Seattle-Tacoma International Airport (SEA) 4 times a day. Alternatively, you can take a bus from Casper 144 East A St to Seattle Tacoma Intl Airport via Buffalo, WY, Buffalo, Billings, Billings, MT, and Spokane Station in around 23h 38m.

Airlines
Train operators
Bus operators

Want to know more about travelling around United States

Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.

Related travel guides

Need to know: Greyhound

Read the travel guideNeed to know: Greyhound

More Questions & Answers