Bus from Portland, OR to Milwaukee: Tickets & Schedules

Next bus departures

Next departures for Portland to Milwaukee on December 25
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
Greyhound Lines, Inc.Bus
Portland Curbside Bus Stop
Milwaukee Bus Station, St. Paul & N6th road.CheapestFastest

Last refresh of the prices: Last Thursday at 3:05 PM PST.

Compare 2 ways to go from Portland to Milwaukee

We recommend taking the train

Among the sustainable travel choices, the train stands out as a good way to reach Milwaukee. The journey takes about 1 day, 23 hours 8 minutes, and with fares starting at just $276, it presents an excellent value for a comfortable ride.

3train per day
1d 23hAverage Duration
2762 kmDistance
251kgCO₂ emissions
Average Price$317 - $615Average Duration2d 19h
69kg CO₂e
Average Price$276 - $3,466Average Duration1d 23h
251kg CO₂e

Frequently asked questions about travelling from Portland, OR to Milwaukee by bus

Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.

  1. How much is the bus ticket from Portland to Milwaukee?

    The cheapest bus tickets from Portland to Milwaukee start from $317. The average price for this route is around $350. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.

  2. How long is the bus ride from Portland to Milwaukee?

    The average bus travel time from Portland to Milwaukee is 2d 19h, covering a distance of 2760 km. The quickest bus can get you there in 1d 20h and is operated by Amtrak.

  3. Which bus companies service the Portland to Milwaukee route?

    Several major bus companies operate on this route with 1 buses available per day, including services from Greyhound, Amtrak, FlixBus.

  4. What are the earliest and latest departure times for the bus from Portland to Milwaukee?

    The earliest bus departs from Portland to Milwaukee at 2:00am. And the latest bus departs at 2:00am.

  5. What are the CO₂ emissions for the bus trip from Portland to Milwaukee?

    A bus trip from Portland to Milwaukee generates an estimated 69 kg of CO₂, making it a highly eco-friendly travel option and a mode of travel recommended by Busbud.

  6. What is the best bus company from Portland to Milwaukee?

    According to Busbud customers, the highest-rated bus company on this route is Amtrak, with an average rating of 4.1 out of 5 stars based on 5654 reviews.

  7. Which bus company has the best Wi-Fi from Portland to Milwaukee?

    Based on Busbud reviews, the bus company Amtrak has the highest Wi-Fi rating with a score of 3.6.

  8. Which bus company has the best on-time performance from Portland to Milwaukee?

    According to Busbud traveller reviews, the most punctual bus company on this route is FlixBus, with a punctuality rating of 3.9 out of 5 stars.

  9. Which bus company has the cleanest buses from Portland to Milwaukee?

    According to Busbud traveller reviews, the bus company with the cleanest buses on this route is Amtrak, with a cleanliness rating of 4.5 out of 5 stars.

Find cheapest prices for buses

Price is for a one-way ticket for one passenger and based on past searches.

Best price found
12-19
$543
12-20
$318
Today
$542
12-22
No data
12-23
No data
12-24
No data
12-25
$335
12-26
No data
busbud logoThe cheapest trip from Portland, OR to Milwaukee was searched and found on Dec 20, 2025 with a price of $318

To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Portland, OR to Milwaukee, as early as possible.

You can expect to pay from $318 to $543 for a bus ticket from Portland, OR to Milwaukee based on the last 2 days. You can expect to find the cheapest price for the trip at $335 which is on 2025-12-25.

What's the cheapest way to go from Portland, OR to Milwaukee?

busbud logoThe bus is the cheapest travel choice for this destination

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