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Portland to Caribou buses

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Trip Overview

The bus between Portland and Caribou takes 6h 5m. There is at least one bus per day from Portland to Caribou. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

6h 5m
Duration
326 mi
Distance
$68
Average price
Once daily
Frequency

Portland to Caribou bus times

Buses run once daily between Portland and Caribou. The service departs Portland at 3:15 PM in the afternoon, which arrives into Caribou at 21:20:00. All services require a transfer at Bangor Transportation Center and take an average of 6h 5m. The schedules shown below are for the next available departures.

Departing Tuesday, November 3, 2026

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    Amtrak ThruwayCyr Bus Line6h 5m • 1 change

Departing Wednesday, November 4, 2026

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    Amtrak ThruwayCyr Bus Line6h 5m • 1 change

Departing Thursday, November 5, 2026

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    Amtrak ThruwayCyr Bus Line6h 5m • 1 change

Departing Friday, November 6, 2026

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    Amtrak ThruwayCyr Bus Line6h 5m • 1 change

Departing Saturday, November 7, 2026

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    Amtrak ThruwayCyr Bus Line6h 5m • 1 change

Departing Sunday, November 8, 2026

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    Amtrak ThruwayCyr Bus Line6h 5m • 1 change

Departing Monday, November 9, 2026

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    Amtrak ThruwayCyr Bus Line6h 5m • 1 change

Frequently asked questions

Want to know about travelling from Portland to Caribou? 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 Portland to Caribou.ExpandLaunch map view
  • Distance: 325.6 mi
  • Duration: 6h 5m

What companies run services between Portland, ME, USA and Caribou, ME, USA?

You can take a bus from Portland Transportation Center to Caribou, Maine via Bangor Transportation Center and Bangor, ME in around 7h.

Operators