$104 Cheap Flights from Portland (PDX) to Milwaukee (MKE)

View $104 flight on Sun, May 11, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Portland to Milwaukee (PDX-MKE)

Prices were available within the past 7 days and start at $104 for one-way flights and $228 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, May 22 - Thu, May 29
PDX
Portland
MKE
Milwaukee
$228 Roundtrip, found 1 hour ago
$228
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, May 22 from Portland to Milwaukee, returning Thu, May 29, priced at $228 found 1 hour ago
Frontier Airlines
Thu, May 8 - Thu, May 15
PDX
Portland
MKE
Milwaukee
$248 Roundtrip, found 1 hour ago
$248
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, May 8 from Portland to Milwaukee, returning Thu, May 15, priced at $248 found 1 hour ago
Alaska Airlines
Wed, May 28 - Fri, Jun 6
PDX
Portland
MKE
Milwaukee
$251 Roundtrip, found 2 days ago
$251
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, May 28 from Portland to Milwaukee, returning Fri, Jun 6, priced at $251 found 2 days ago
Frontier Airlines
Mon, May 26 - Fri, Jun 6
PDX
Portland
MKE
Milwaukee
$260 Roundtrip, found 5 hours ago
$260
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Mon, May 26 from Portland to Milwaukee, returning Fri, Jun 6, priced at $260 found 5 hours ago
Frontier Airlines
Mon, Jun 9 - Fri, Jun 13
PDX
Portland
MKE
Milwaukee
$265 Roundtrip, found 1 day ago
$265
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Jun 9 from Portland to Milwaukee, returning Fri, Jun 13, priced at $265 found 1 day ago
United
Wed, Jun 11 - Mon, Jun 16
PDX
Portland
MKE
Milwaukee
$274 Roundtrip, found 1 hour ago
$274
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Jun 11 from Portland to Milwaukee, returning Mon, Jun 16, priced at $274 found 1 hour ago
Alaska Airlines
Wed, May 28 - Fri, Jun 6
PDX
Portland
MKE
Milwaukee
$275 Roundtrip, found 2 days ago
$275
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, May 28 from Portland to Milwaukee, returning Fri, Jun 6, priced at $275 found 2 days ago
Southwest Airlines
Wed, May 28 - Fri, Jun 6
PDX
Portland
MKE
Milwaukee
$278 Roundtrip, found 2 days ago
$278
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Wed, May 28 from Portland to Milwaukee, returning Fri, Jun 6, priced at $278 found 2 days ago
Frontier Airlines
Thu, May 8 - Fri, May 23
PDX
Portland
MKE
Milwaukee
$280 Roundtrip, found 2 days ago
$280
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, May 8 from Portland to Milwaukee, returning Fri, May 23, priced at $280 found 2 days ago
American Airlines
Wed, May 28 - Tue, Jun 3
PDX
Portland
MKE
Milwaukee
$307 Roundtrip, found 1 hour ago
$307
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, May 28 from Portland to Milwaukee, returning Tue, Jun 3, priced at $307 found 1 hour ago

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to General Mitchell Intl. Airport (MKE) cost?
Discover the latest flight deals from PDX to MKE by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PDX to MKE?
The cheapest flights from PDX to MKE are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from PDX to MKE?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from PDX to MKE. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Portland Intl. Airport (PDX) to General Mitchell Intl. Airport (MKE)?
You’ll need to take a flight with a layover if you’re traveling from Portland Intl. Airport (PDX) to General Mitchell Intl. Airport (MKE). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from PDX to MKE?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on a number of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to General Mitchell Intl. Airport (MKE)?
To reach General Mitchell Intl. Airport (MKE) on time, pick a flight that leaves Portland Intl. Airport (PDX) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to General Mitchell Intl. Airport (MKE) last-minute?
Holding off until just before your trip to book a flight from PDX to MKE generally means paying more. While it’s possible to find some last-minute offers, there’s no guarantee. Be flexible with your travel plans for a better chance of snagging a bargain.
Is it cheaper to book a PDX to MKE flight and hotel package?
Opting for a PDX to MKE flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our wide range of hotels and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to General Mitchell Intl. Airport (MKE)?
If you reserved your PDX to MKE flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.
*Available to One Key members.