There are 4 ways to get from Seattle to Longmont by plane, bus, bus (Greyhound), or car
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly to Denver, bus
best- Fly from Seattle-Tacoma International Airport (SEA) to Denver (DEN)plane SEA - DEN
- Take the bus from Union Station Gate B16 to Coffman St & 4th Avebus
6h 51m$112–348Bus
- Take the bus from Seattle Bus Station to Denver Union Stationbus Greyhound US0550
- Take the bus from Union Station Gate B16 to Coffman St & 4th Avebus Lx2 / ...
30h 15m$204–382Drive 1,247.9 mi
- Drive from Seattle to Longmontcar 1,247.9 mi
20h 27m$228–329Fly to Colorado Springs Airport, bus
- Fly from Seattle-Tacoma International Airport (SEA) to Colorado Springs Airport (COS)plane SEA - COS
- Take the bus from Colorado Springs to 8th & Coffman PnR Longmontbus
10h 53m$138–479
Seattle to Longmont by bus
Questions & Answers
The cheapest way to get from Seattle to Longmont is to fly and bus which costs $110 - $350 and takes 6h 51m.
The fastest way to get from Seattle to Longmont is to fly and bus which takes 6h 51m and costs $110 - $350.
No, there is no direct bus from Seattle station to Longmont. However, there are services departing from Seattle Bus Station and arriving at Coffman St & 4th Ave via Union Station Gate B16. The journey, including transfers, takes approximately 30h 15m.
The distance between Seattle and Longmont is 1099 miles. The road distance is 1255.2 miles.
The best way to get from Seattle to Longmont without a car is to bus which takes 30h 15m and costs $200 - $390.
It takes approximately 6h 51m to get from Seattle to Longmont, including transfers.
Seattle to Longmont bus services, operated by Greyhound USA, depart from Seattle Bus Station.
Seattle to Longmont bus services, operated by Greyhound USA, arrive at Denver Union Station.
Longmont is 1h ahead of Seattle. It is currently 1:57 PM in Seattle and 2:57 PM in Longmont.
Yes, the driving distance between Seattle to Longmont is 1255 miles. It takes approximately 20h 27m to drive from Seattle to Longmont.
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 B16 in around 30h 15m.
- Website
- southwest.com
Flights from Seattle-Tacoma International Airport to Denver
- Ave. Duration
- 2h 44m
- When
- Every day
- Estimated price
- $85–400
Flights from Seattle-Tacoma International Airport to Colorado Springs Airport via Denver
- Ave. Duration
- 5h 27m
- When
- Monday, Thursday, Friday, and Sunday
- Estimated price
- $85–390
Flights from Seattle-Tacoma International Airport to Colorado Springs Airport via Las Vegas
- Ave. Duration
- 6h 28m
- When
- Every day
- Estimated price
- $100–450
Flights from Seattle-Tacoma International Airport to Colorado Springs Airport via Phoenix
- Ave. Duration
- 6h 57m
- When
- Sunday, Monday, Thursday, Friday, Tuesday, and Wednesday
- Estimated price
- $110–490
Flights from Seattle-Tacoma International Airport to Colorado Springs Airport via San Diego
- Ave. Duration
- 6h 20m
- When
- Monday, Thursday, and Friday
- Estimated price
- $120–550
- Website
- united.com
Flights from Seattle-Tacoma International Airport to Denver
- Ave. Duration
- 2h 49m
- When
- Every day
- Estimated price
- $85–400
Flights from Seattle-Tacoma International Airport to Colorado Springs Airport via Denver
- Ave. Duration
- 5h 3m
- When
- Every day
- Estimated price
- $85–390
- Website
- alaskaair.com
Flights from Seattle-Tacoma International Airport to Denver
- Ave. Duration
- 2h 49m
- When
- Every day
- Estimated price
- $120–420
- Website
- delta.com
Flights from Seattle-Tacoma International Airport to Denver
- Ave. Duration
- 2h 50m
- When
- Every day
- Estimated price
- $85–400
Flights from Seattle-Tacoma International Airport to Colorado Springs Airport via Salt Lake City
- Ave. Duration
- 6h 45m
- When
- Every day
- Estimated price
- $85–390
- Website
- flyfrontier.com
Flights from Seattle-Tacoma International Airport to Denver
- Ave. Duration
- 2h 51m
- When
- Every day
- Estimated price
- $95–210
- Phone
- +1 303-299-6000
- Website
- RTD
Bus from Union Station Gate B16 to Coffman St & 4th Ave
- Ave. Duration
- 55 min
- Frequency
- Every 4 hours
- Estimated price
- $3
- Website
- RTD
- Adult
- $3
Bus from Union Station Gate B16 to Coffman St & 4th Ave
- Ave. Duration
- 55 min
- Frequency
- Every 4 hours
- Estimated price
- $3
- Website
- RTD
- Adult
- $3
Rome2Rio's guide to Greyhound USA
Contact DetailsContact Details
- Phone
- +1 214-849-8100
- ifsr@greyhound.com
- Website
- Greyhound
Bus from Seattle Bus Station to Denver Union Station
- Ave. Duration
- 28h 20m
- Frequency
- Once daily
- Estimated price
- $200–380
- Website
- Greyhound
- Phone
- +1 800-923-1799
- contactus@omexusa.net
- Website
- Omnibus Express
Bus from Colorado Springs to 8th & Coffman PnR Longmont
- Ave. Duration
- 2h 5m
- Frequency
- Once daily
- Estimated price
- $45–60
- Schedules at
- Omnibus Express
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