$146 Cheap Flights from Portland (PDX) to Milwaukee (MKE)

View $146 flight on Thu, Dec 25, 2025Opens in a new window

Popular airlines from Portland International Airport (PDX) to General Mitchell Intl. Airport (MKE)

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Cheap Flights from Portland to Milwaukee (PDX-MKE)

Prices were available within the past 7 days and start at $146 for one-way flights and $192 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sun, Nov 9 - Mon, Nov 17
PDX
Portland
MKE
Milwaukee
$192 Roundtrip, found 4 days ago
$192
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sun, Nov 9 from Portland to Milwaukee, returning Mon, Nov 17, priced at $192 found 4 days ago
Frontier Airlines
Thu, Nov 13 - Mon, Nov 17
PDX
Portland
MKE
Milwaukee
$216 Roundtrip, found 2 days ago
$216
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Nov 13 from Portland to Milwaukee, returning Mon, Nov 17, priced at $216 found 2 days ago
Frontier Airlines
Thu, Nov 6 - Mon, Nov 17
PDX
Portland
MKE
Milwaukee
$236 Roundtrip, found 3 days ago
$236
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Nov 6 from Portland to Milwaukee, returning Mon, Nov 17, priced at $236 found 3 days ago
Frontier Airlines
Sun, Nov 9 - Fri, Nov 14
PDX
Portland
MKE
Milwaukee
$244 Roundtrip, found 4 days ago
$244
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sun, Nov 9 from Portland to Milwaukee, returning Fri, Nov 14, priced at $244 found 4 days ago
Frontier Airlines
Sun, Nov 9 - Fri, Nov 14
PDX
Portland
MKE
Milwaukee
$264 Roundtrip, found 4 days ago
$264
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sun, Nov 9 from Portland to Milwaukee, returning Fri, Nov 14, priced at $264 found 4 days ago
Delta
Thu, Dec 4 - Sun, Dec 7
PDX
Portland
MKE
Milwaukee
$274 Roundtrip, found 10 hours ago
$274
Roundtrip
found 10 hours ago
Select Delta flight, departing Thu, Dec 4 from Portland to Milwaukee, returning Sun, Dec 7, priced at $274 found 10 hours ago
Hawaiian Airlines
Mon, Dec 15 - Sun, Jan 18
PDX
Portland
MKE
Milwaukee
$282 Roundtrip, found 4 days ago
$282
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Mon, Dec 15 from Portland to Milwaukee, returning Sun, Jan 18, priced at $282 found 4 days ago
Frontier Airlines
Sun, Nov 9 - Mon, Nov 17
PDX
Portland
MKE
Milwaukee
$283 Roundtrip, found 3 days ago
$283
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sun, Nov 9 from Portland to Milwaukee, returning Mon, Nov 17, priced at $283 found 3 days ago
Alaska Airlines
Fri, Dec 5 - Tue, Dec 9
PDX
Portland
MKE
Milwaukee
$284 Roundtrip, found 1 day ago
$284
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Dec 5 from Portland to Milwaukee, returning Tue, Dec 9, priced at $284 found 1 day ago
American Airlines
Fri, Feb 20 - Wed, Mar 4
PDX
Portland
MKE
Milwaukee
$298 Roundtrip, found 4 days ago
$298
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Feb 20 from Portland to Milwaukee, returning Wed, Mar 4, priced at $298 found 4 days ago

Find the cheapest month to fly from Portland (PDX) to Milwaukee (MKE)

October is typically the cheapest month to fly

From $155 - $515 per traveler.

Alternative airports near Milwaukee

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to General Mitchell Intl. MKE. Cheapest and Closest option available. Average driving time to city center is 13 minutes. Flights from $415
MKE
General Mitchell Intl.
CheapestClosest
Average driving time to city center13 min
Flights from $415

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to General Mitchell Intl. Airport (MKE) cost?
Grab a cheap one-way flight from $146 or cheap return flight from $192 from Portland Intl. Airport (PDX) to General Mitchell Intl. Airport (MKE) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to General Mitchell Intl. Airport (MKE)?
Flying in November can help you save, as it's the cheapest month for flights between PDX and MKE. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to General Mitchell Intl. Airport (MKE)?
To find the cheapest airline that'll fly you from PDX to MKE, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
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.

Travel information

Origin airport
Portland Intl.
Destination airport
General Mitchell Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$192
Distance
1712 mi

Book with confidence

Portland to Milwaukee Flights

The cheapest times to fly from Portland to Milwaukee

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to Milwaukee are during the month of November. You can find some of the cheapest flights from Portland to Milwaukee with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Milwaukee

Sunday is one of the best days to book for cheap flights from Portland to Milwaukee: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to Milwaukee

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to Milwaukee in 2025. You can also book with separate airlines for your outbound and return journeys, from $146 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to Milwaukee flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to Milwaukee airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Portland to Milwaukee Flights

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*Available to One Key members.