Cheap flights from Portland, Maine to Milwaukee from $136
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, Maine to Milwaukee departing on 8/28. 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, Maine 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, Maine is in August. Flight prices, which tend to average around $337, are often lower during this time because this is during the off-season. The month of July is another great option to travel to Milwaukee, with average flight prices from Portland, Maine averaging around $363.
What is the cheapest day to depart on your flight to Milwaukee?
According to our data, Wednesday is the cheapest day to fly to Milwaukee from Portland, Maine. The lowest ticket price found for a Wednesday departure recently was $356. 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, Maine to Milwaukee on a Saturday will generally be more expensive and average around $530. 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, Maine to Milwaukee when you can find flight prices for as low as $173. Flying to Milwaukee in the evening is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Milwaukee, so prices are often more expensive at around $398 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, Maine when booking 20 weeks ahead of your departure date. In general, you can expect to find flights to Milwaukee for around $416 when searching 20 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Milwaukee from Portland, Maine for as low as $302 on momondo.
What is the cheapest airline that flies from Portland to Milwaukee-Mitchell?
Delta, American Airlines, and Sun Country Air are the most popular carriers operating from Portland to Milwaukee-Mitchell
What airlines fly to Milwaukee?
American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Milwaukee from Portland, Maine according to our data. American Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Milwaukee. Keep in mind that there are 7 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, Maine to Milwaukee
Cheap Portland, Maine to Milwaukee (PWM to MKE) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Milwaukee
How far is Portland to Milwaukee-Mitchell by plane?
The distance between Portland and Milwaukee-Mitchell is about 885.6 mi. By plane, this route typically takes 4h 42m.
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 are refreshed on a daily basis.
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 4 as of June 2025.
How old do you have to be to fly from Portland Airport to Milwaukee-Mitchell Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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 travel and health documents required for your trip to Milwaukee-Mitchell Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Milwaukee-Mitchell Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Portland, Maine to Milwaukee?
Based on momondo bookings for flights between Portland, Maine and Milwaukee, the leading airline is American Airlines, making up 38% of the total bookings. Other popular airlines include Delta with 28%, Southwest with 19%, and United Airlines with 15%.
Best airlines flying from Portland, Maine to Milwaukee
Compare and see reviews for airlines that fly from Portland, Maine to Milwaukee with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $246 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $264 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $268 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $304 | Free Cancellation | Rating 7.4 8,790 reviews |
Traveling to a place near Milwaukee?
Book flights to Milwaukee if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Portland to Milwaukee?
It is quick and easy to find Portland to Milwaukee flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Milwaukee that suits 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 all potential Portland to Milwaukee flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Portland to Milwaukee right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Milwaukee, momondo offers a useful price alert feature which will track prices for flights to Milwaukee from Portland and alert you when they change.