- Must visit
Denver Art Museum
One of the largest art museums in the West, known for Indigenous art, global collections, and striking architecture.
Cheapest price
$144
Average price
$144
Fastest journey
2 d 10 h 11 m
Average duration
2 d 10 h 11 m
Buses per day
1
Distance
2895 km
The best way to find a cheap bus ticket from Portland, ME to Denver, CO is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Portland, ME to Denver, CO will cost around $144 if you buy it on the day, but the cheapest tickets can be found for only $144.
Of the 1 buses that leave Portland, ME for Denver, CO on Wed, Aug 05, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Wed, Aug 05 the direct buses cover the 2895 km distance in an average of 2 d 10 h 11 m but if you time it right, some buses will get you there in just 2 d 10 h 11 m .
On Wed, Aug 05 the slowest buses will take 2 d 10 h 11 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.


Omio recommends booking the flight as it is the most popular option from Portland, ME to Denver, CO among Omio's users. If you are prioritising price take the bus with prices starting from $139. For those with little time consider booking a flight which can get you there in 5h 34m. The ticket price range depends on the travel mode: a bus costs an average of $139, and a train costs an average of $254.
Distance: 1798 miles (2895 km)
| Bus | Most popular Flight | Train | Driving |
|---|---|---|---|
$144 Average price Cheapest | $206 Average price | $300 Average price | $412 Average price (fuel + tolls) |
58h 41m Average total duration 58h 11m Onboard + 30m Additional time* | 8h 34m Average total duration Fastest 5h 34m Onboard + 3h 0m Additional time* | 44h 13m Average total duration 43h 43m Onboard + 30m Additional time* | 30h 25m Average total duration (door-to-door) |
Direct Options | Direct Options | Direct Options | Direct Options |
This is compared to other travel options from Portland, ME to Denver, CO:
A bus is $62 less than a flight for this route with tickets for a flight from Portland, ME to Denver, CO costing on average $206.
A bus is $156 less than a train for this route with tickets for a train from Portland, ME to Denver, CO costing on average $300.
Other travel options to Denver, CO take longer:
Train takes on average 43h 43m.
Bus takes on average 58h 11m.
You'll arrive about {timeSavings} sooner ({durationInMinutes} by bus vs {drivingDurationInMinutes} by car) and save roughly {savingsAmount} compared to fuel and tolls ({cheapestPrice} vs {drivingPriceInCents}). You also skip the drive itself — no traffic stress, no parking, and you can use the time to work, nap, or catch up on a series with the onboard Wi-Fi.
Direct coaches are operated by {directProviders}.
Driving is still worth considering if you're travelling with bulky luggage, need flexibility on departure times, or plan to stop along the way.
| Operator | Departure Time | Arrival Time | Duration | Departure days | Cheapest price |
|---|---|---|---|---|---|
Operator Greyhound | Departure Time 03:59AM | Arrival Time 02:10PM | Duration 58h11 | Departure days Mon, Tue, Wed, Sun | Cheapest price $139 |
The table below shows live departures for Portland, ME to Denver, CO buses for tomorrow, Tuesday, August 4. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 3:59 AM Portland, ME | 58h11 | 2:10 PM Denver, CO | 0 transfersDirect | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Compare bus, train, and flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
Buses from Portland, ME to Denver, CO run on average 2 times per day, taking around 58h 11m. Cheap bus tickets for this journey start at $139 if you book in advance.
The earliest bus runs at 09:30, the last at 20:10. The fastest bus covers the 1798 miles (2895 km) distance in 58h 11m.
Distance 1798 miles (2895 km) |
Average bus duration 58h 11m |
Cheapest ticket price $139 |
Buses per day 2 |
Fastest bus 58h 11m |
First bus 9:30 AM |
Last bus 8:10 PM |
Cheapest Month Mar |
Cheapest Day Sat |
High Season Jan - Mar |
Low Season Apr - Jun |
Discover the best of Denver, CO — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Denver, CO trip today.
One of the largest art museums in the West, known for Indigenous art, global collections, and striking architecture.
A major natural history museum with dinosaur fossils, space exhibits, wildlife dioramas, and rooftop city views.
This museum explores Colorado and Western heritage through Native history, artifacts, and regional storytelling.
Denver's landmark downtown park and civic heart, framed by museums, government buildings, festivals, and open lawns.
A scenic urban lake and park with skyline and mountain views, trails, boating, and one of Denver's best sunsets.
A lively pedestrian mall lined with shops, public art, and free shuttle service through the center of downtown Denver.
Denver omelet with ham, bell peppers, onions, and cheese. It is strongly associated with the city and remains a classic local breakfast order.
Green chile is a beloved Front Range staple, served as a pork-rich stew or smothered over burritos, fries, and breakfast plates across Denver.
A juicy burger topped with roasted green chiles and cheese. It reflects Colorado's chile-loving comfort food culture and is common in Denver pubs.
Acclaimed fine dining restaurant focused on wood-fired New American cuisine, seasonal Colorado ingredients, and polished service in an elegant room.
Popular modern Mexican spot celebrated for green chile, tacos, and strong margaritas. Casual atmosphere with a long local following.
Beloved neighborhood eatery serving creative breakfasts and brunch. A reliable place to try a Denver omelet in a relaxed, local setting.
Moderate for a major US city: hotels and dining are mid-to-high, while transit is reasonable. Costs are usually lower than New York or San Francisco.
Tip 18-20% at restaurants, $1-$2 per drink at bars, and 10-15% for taxis. Cafes often have tip screens; rounding up or $1 is common.
Find answers to the most common questions about traveling from Portland, ME to Denver, CO by bus. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest bus, the cheapest option, or tips for making the most of your visit at Denver, CO, this guide helps you travel smarter and with confidence.

Most Portland, ME to Denver, CO buses use the Portland, Congress St (Greyhound Bus Terminal) to Denver, Union Station station pair. Use this guide to compare Portland, ME and Denver, CO bus stations on this route, check city-centre transport, alongside checking practicalities like bus station facilities and services.
Here are some other resources that might have the information you need