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Seattle to Longmont buses

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Trip Overview

The average bus between Seattle and Longmont takes 34h 1m and the fastest bus takes 30h 40m. The bus runs, on average, 5 times per week from Seattle to Longmont. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

34h 1m
Duration
1,413 mi
Distance
5 times a week
Frequency

Seattle to Longmont bus times

Buses run 5 times a week between Seattle and Longmont. The service departs Seattle at 7:45 AM in the morning, which arrives into Longmont at 07:07:51. All services require a transfer at Denver Union Station and take an average of 34h 1m. The schedules shown below are for the next available departures.

Departing Saturday, October 31, 2026

  •  → 

    Arrives +2 days

    Greyhound USARegional Transport47h 22m • 1 change

Departing Sunday, November 1, 2026

  •  → 

    Arrives next day

    Greyhound USARegional Transport30h 40m • 1 change

Departing Monday, November 2, 2026

  •  → 

    Arrives next day

    Greyhound USARegional Transport30h 40m • 1 change

Departing Tuesday, November 3, 2026

  •  → 

    Arrives next day

    Greyhound USARegional Transport30h 40m • 1 change

Departing Wednesday, November 4, 2026

  •  → 

    Arrives next day

    Greyhound USARegional Transport30h 40m • 1 change

Frequently asked questions

Want to know about travelling from Seattle to Longmont? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.

Map of how to get from Seattle to Longmont.ExpandLaunch map view
  • Distance: 1,413.2 mi
  • Duration: 34h 1m

What companies run services between Seattle, WA, USA and Longmont, CO, USA?

You can take a bus from Seattle Bus Station to Coffman St & 4th Ave via Denver Union Station and Union Station Gate B18 in around 30h 15m.

Operators