Cheap flights from Portland to Milwaukee from $135
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Milwaukee departing on 7/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Portland to Milwaukee
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Milwaukee?
The cheapest month to fly to Milwaukee from Portland is in April. Flight prices, which tend to average around $361, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Milwaukee, with average flight prices from Portland averaging around $365.
What is the cheapest day to depart on your flight to Milwaukee?
According to our data, Tuesday is the cheapest day to fly to Milwaukee from Portland. The lowest ticket price found for a Tuesday departure recently was $401. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Portland to Milwaukee on a Sunday will generally be more expensive and average around $516. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Milwaukee?
In the evening is the cheapest time of day to fly from Portland to Milwaukee when you can find flight prices for as low as $416. Flying to Milwaukee in the evening is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Milwaukee, so prices are often more expensive at around $457 per ticket.
How far in advance should I book a flight to Milwaukee?
You are more likely to see cheaper flights to Milwaukee from Portland when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to Milwaukee for around $448 when searching 14 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Milwaukee from Portland for as low as $375 on momondo.
What is the cheapest airline that flies from Portland to Milwaukee-Mitchell?
Spirit Airlines, Hawaiian Airlines, and Sun Country Air are the most popular carriers operating from Portland to Milwaukee-Mitchell
What airlines fly to Milwaukee?
United Airlines, Alaska Airlines and American Airlines are the top three most popular airlines that fly to Milwaukee from Portland according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Milwaukee. Keep in mind that there are 8 different airlines that fly to Milwaukee on a routine basis, so you have a few additional options to choose from.
When to book flights from Portland to Milwaukee
Cheap Portland to Milwaukee (PDX to MKE) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland to Milwaukee
How far is Portland to Milwaukee-Mitchell by plane?
A flight from Portland to Milwaukee-Mitchell will travel around 1713.7 mi. A reasonable flight in good conditions will take 5h 23m.
When did momondo last update prices for flights from Portland Airport to Milwaukee-Mitchell Airport?
Prices for flights from Portland Airport to Milwaukee-Mitchell Airport were last updated today.
How many operators does momondo search for flights from Portland Airport to Milwaukee-Mitchell Airport?
The number of operators available for flights from Portland Airport to Milwaukee-Mitchell Airport is 7 as of June 2025.
How old do you have to be to fly from Portland Airport to Milwaukee-Mitchell Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Milwaukee-Mitchell Airport.
What documentation or ID do you need to fly to Milwaukee-Mitchell Airport?
The required travel and health documents for your Milwaukee-Mitchell Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Milwaukee-Mitchell Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Portland to Milwaukee?
momondo data reveals that the most frequently booked airline on the route from Portland to Milwaukee is Delta, representing 31% of all bookings. The subsequent popular airlines are United Airlines at 25%, Southwest at 19%, and American Airlines at 11%.
Best airlines flying from Portland to Milwaukee
Compare and see reviews for airlines that fly from Portland to Milwaukee with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $58 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $128 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $286 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $305 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $317 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $326 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $362 | Free Cancellation | Rating 8.0 4,287 reviews |
Traveling to a place near Milwaukee?
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Why should I use momondo to find a flight deal from Portland to Milwaukee?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Milwaukee for you.
Can I find flights from Portland to Milwaukee with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Milwaukee from Portland with this policy.
How can momondo help me find flights from Portland to Milwaukee?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Milwaukee from Portland.
I’m not ready to book a flight from Portland to Milwaukee right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Portland to Milwaukee flights. All you need is a valid email address and we will do the rest; it is that quick and easy.