$140 Find Cheap Flights from Portland to Milwaukee - Compare and Save

Two cabin classes are available on flights from Portland to Milwaukee:

• Economy Class
• First Class

A nonstop flight from Portland to Milwaukee takes 00m, covering 1,712 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Portland to Milwaukee range from $372 to $623, with an average of $476 over the past 12 months. Anything below $372 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 68% above the $476 route average. Book 25 weeks before departure for the lowest fares.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $279 to $1,504. That means the highest observed fare was about 5x higher than the lowest one.

One-way fares from Portland to Milwaukee are currently lower than usual. Average one-way flight prices are about $172, which is 36% below the typical average for this route.

Milwaukee-Mitchell Airport (MKE) hosts 5 major car rental companies, with daily rates averaging $67 for economy cars. Top options include:

• Dollar
• Hertz
• Budget
• Alamo
• Sixt

Flights from Portland to Milwaukee usually depart from Portland (PDX) and arrive at Milwaukee-Mitchell (MKE).

One-stop flights from Portland to Milwaukee most commonly connect through:

• Chicago O'Hare Intl (ORD) - 29% of one-stop connections
• Minneapolis St Paul (MSP) - 27% of one-stop connections
• Denver Intl (DEN) - 23% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 14% of one-stop connections

Yes. Flexible dates can save you up to 30% on flights from Portland to Milwaukee. Tuesday is the cheapest departure day at $421 round-trip on average, while Sunday is the most expensive at $600, a difference of $179.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 6h 14m, compared with 6h 21m via Minneapolis St Paul (MSP) and 6h 32m via Seattle/Tacoma Intl (SEA).

Milwaukee is 2 hours ahead of Portland (Central Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Milwaukee are Fiserv Forum, Riverside Theater and Pabst Theater. These are among the most viewed places in Milwaukee on KAYAK.

United Airlines is one of the green airlines to consider for your travel from Portland to Milwaukee. The airline has made investments in sustainable practices and places a high priority on fuel efficiency and carbon emission reduction. Additionally, United Airlines is dedicated to eco-friendly ground operations, recycling, and waste minimization.

American Airlines is one of the family-friendly airlines to consider for the flight from Portland to Milwaukee. Under the “Kids Fly Free” program, American Airlines may offer discounts or free flights for children aged 2 to 14 in some flights, including Portland to Milwaukee flights. However, these minors have to be accompanied by an adult.

Besides being the major gateway to Milwaukee, MKE is also the destination airport for travelers connecting to nearby cities and towns. Among these cities are Madison, Racine, Chicago, and Green Bay. To connect to any of these cities, you can consider renting a car, taxi, or ride-share or Lyft services.

Provided you have a valid driver's license, credit card, and reservation confirmation voucher, you can rent a car from any of the onsite car rentals. These car rentals include Avis, Budget, Enterprise, Hertz, and National. These car rentals are accessible from the car rental center located within a 10-minute ride from MKE terminals via a courtesy shuttle.