- Must visit
Portland Art Museum
Major art museum in downtown Portland with Native American, modern, and Northwest collections. A core cultural stop for first-time visitors.
Cheapest price
$174
Average price
$174
Fastest journey
16 h 43 m
Average duration
16 h 43 m
Buses per day
1
Distance
882 km
The best way to find a cheap bus ticket from Millbrae, CA to Portland, OR is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Millbrae, CA to Portland, OR will cost around $174 if you buy it on the day, but the cheapest tickets can be found for only $174.
It's difficult to get from Millbrae, CA to Portland, OR without transferring at least 2 times.


Omio recommends booking the train as it is the most popular option from Millbrae, CA to Portland, OR among Omio's users. If you are prioritising price take the train with prices starting from $171. For those with little time consider booking a flight which can get you there in 1h 52m. The ticket price range depends on the travel mode: a train costs an average of $171, and a flight costs an average of $307.
Distance: 548 miles (882 km)
| Bus | Most popular Train | Flight |
|---|---|---|
$175 Average price | $171 Average price Cheapest | $307 Average price |
15h 15m Average total duration 14h 45m Onboard + 30m Additional time* | 19h 20m Average total duration 18h 50m Onboard + 30m Additional time* | 4h 52m Average total duration Fastest 1h 52m Onboard + 3h 0m Additional time* |
Direct Options | Direct Options | Direct Options |
This is compared to other travel options from Millbrae, CA to Portland, OR:
A train is $3 (€3) less than a bus for this route with tickets for a bus from Millbrae, CA to Portland, OR costing on average $175 (€142).
A train is $136 (€110) less than a flight for this route with tickets for a flight from Millbrae, CA to Portland, OR costing on average $307 (€249).
Other travel options to Portland, OR take longer:
Bus takes on average 14h 45m.
Train takes on average 18h 50m.
| Operator | Departure Time | Arrival Time | Duration | Departure days | Cheapest price |
|---|---|---|---|---|---|
Operator SamTrans | Departure Time 04:35AM | Arrival Time 09:45PM | Duration 17h10 | Departure days Sat, Sun | Cheapest price $174 |
Operator SamTrans | Departure Time 05:02AM | Arrival Time 09:45PM | Duration 16h43 | Departure days Mon, Wed, Thu, Fri | Cheapest price $174 |
Operator SamTrans | Departure Time 02:11PM | Arrival Time 08:55AM | Duration 18h44 | Departure days Wed, Thu, Fri | Cheapest price $124 |
Operator SamTrans | Departure Time 02:18PM | Arrival Time 08:55AM | Duration 18h37 | Departure days Sat, Sun | Cheapest price $124 |
Operator Greyhound | Departure Time 03:00PM | Arrival Time 05:45AM | Duration 14h45 | Departure days Tue | Cheapest price $175 |
The table below shows live departures for Millbrae, CA to Portland, OR buses for tomorrow, Monday, June 15. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 5:02 AM Millbrae, CA | 16h43 | 9:45 PM Portland, OR | 2 transfers | |
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 Millbrae, CA to Portland, OR run on average 5 times per day, taking around 14h 45m. Cheap bus tickets for this journey start at $175 (€142) but you can travel from only $171 (€139) by train.
The earliest bus runs at 00:05, the last at 20:50. The fastest bus covers the 548 miles (882 km) distance in 14h 45m.
Distance 548 miles (882 km) |
Average bus duration 14h 45m |
Cheapest ticket price $175 (€142) |
Buses per day 5 |
Fastest bus 14h 45m |
First bus 12:05 AM |
Last bus 8:50 PM |
Cheapest Month Aug |
Cheapest Day Sat |
High Season Jan - Mar |
Low Season Jul - Sep |
Discover the best of Portland — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Portland trip today.
Major art museum in downtown Portland with Native American, modern, and Northwest collections. A core cultural stop for first-time visitors.
Large science museum on the Willamette River with interactive exhibits, a planetarium, and family-friendly programming.
Historic house museum with period interiors and strong city history interpretation, plus one of Portland's best viewpoints.
Large urban park encompassing major attractions, trails, gardens, and forested scenery. One of Portland's essential outdoor destinations.
Highly regarded garden known for refined landscape design, seasonal beauty, and calm hillside setting above the city.
Vast urban forest with extensive hiking trails and a strong local following. Ideal for nature access close to downtown.
Portland is one of the leading craft beer cities in the United States, known for hop-forward IPAs, lagers, and experimental small-batch brews from many local breweries.
Portland has a major specialty coffee culture focused on carefully sourced beans, precise brewing, and independent roasters that helped define the city’s daily food ritual.
Portland-style doughnuts became nationally famous through creative toppings, oversized shapes, and quirky flavors, making them a recognizable local sweet treat.
A celebrated Portland restaurant known for inventive French-inspired cuisine, rich flavors, and an intimate, lively dining room.
A popular Southern restaurant famous for fried chicken and waffles, hearty brunches, and a bustling neighborhood atmosphere.
A reliable brewpub pouring respected Oregon craft beer alongside burgers, sandwiches, and pub fare in a spacious downtown setting.
Moderate by U.S. city standards. Food and coffee are reasonable, but hotels and fine dining can be pricey in peak season.
Tip 18-20% at restaurants; 20%+ for great service. Tip USD 1-2 per drink at bars, round up taxis, and tip hotel staff USD 2-5.
Find answers to the most common questions about traveling from Millbrae, CA to Portland, OR 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 Portland, OR, this guide helps you travel smarter and with confidence.

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