What is the cheapest airline that flies from Milwaukee-Mitchell to Portland?

United Airlines, Delta, and Southwest are the most popular carriers operating from Milwaukee-Mitchell to Portland

What airlines fly to Portland, Maine?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Portland, Maine from Milwaukee according to our data. American Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 5 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Milwaukee-Mitchell Airport to Portland Airport?

Prices for flights from Milwaukee-Mitchell Airport to Portland Airport are updated daily.

How many operators does momondo search for flights from Milwaukee-Mitchell Airport to Portland Airport?

There are 4 operators available for flights from Milwaukee-Mitchell Airport to Portland Airport as of November 2026.

How old do you have to be to fly from Milwaukee-Mitchell Airport to Portland 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 Milwaukee-Mitchell Airport to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$159 Cheap Flights from Milwaukee to Portland, Maine in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Milwaukee to Portland

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:18 pm - 11:52 pmMKE Milwaukee-Mitchell-PWM Portland

7h 34m1 stop Atlanta Hartsfield-Jackson

5:19 pm - 10:02 pmPWM Portland-MKE Milwaukee-Mitchell

5h 43m1 stop New York LaGuardia

$325Delta

Thu, Dec 3 - Mon, Dec 7

7:20 am - 2:43 pmMKE Milwaukee-Mitchell-PWM Portland

6h 23m1 stop Chicago O'Hare Intl

4:40 pm - 8:57 pmPWM Portland-MKE Milwaukee-Mitchell

5h 17m1 stop Chicago O'Hare Intl

$325United Airlines

Sat, Feb 13 - Sat, Feb 20

6:35 am - 2:45 pmMKE Milwaukee-Mitchell-PWM Portland

7h 10m1 stop Baltimore/Washington

3:25 pm - 10:20 pmPWM Portland-MKE Milwaukee-Mitchell

7h 55m2 stops Baltimore/Washington Nashville Intl

$330Southwest

Thu, Dec 3 - Mon, Dec 7

8:20 am - 2:43 pmMKE Milwaukee-Mitchell-PWM Portland

5h 23m1 stop Chicago O'Hare Intl

9:30 am - 5:01 pmPWM Portland-MKE Milwaukee-Mitchell

8h 31m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$330United Airlines

Sat, Feb 13 - Sat, Feb 20

3:35 pm - 11:15 pmMKE Milwaukee-Mitchell-PWM Portland

6h 40m2 stops Chicago Midway Baltimore/Washington

1:00 pm - 8:55 pmPWM Portland-MKE Milwaukee-Mitchell

8h 55m2 stops Baltimore/Washington Chicago Midway

$365Southwest

Sat, Feb 13 - Sat, Feb 20

6:20 am - 2:45 pmMKE Milwaukee-Mitchell-PWM Portland

7h 25m2 stops Chicago Midway Baltimore/Washington

3:25 pm - 10:20 pmPWM Portland-MKE Milwaukee-Mitchell

7h 55m2 stops Baltimore/Washington Nashville Intl

$401Southwest

Thu, Dec 3 - Mon, Dec 7

7:00 am - 3:38 pmMKE Milwaukee-Mitchell-PWM Portland

7h 38m1 stop Chicago O'Hare Intl

6:00 am - 10:14 amPWM Portland-MKE Milwaukee-Mitchell

5h 14m1 stop Newark

$425United Airlines

Sat, Dec 12 - Tue, Dec 15

7:00 am - 11:58 amMKE Milwaukee-Mitchell-PWM Portland

3h 58m1 stop Detroit Metropolitan Wayne County

4:50 pm - 8:15 pmPWM Portland-MKE Milwaukee-Mitchell

4h 25m1 stop Detroit Metropolitan Wayne County

$431Delta

Sat, Nov 21 - Mon, Nov 23

12:44 pm - 11:31 pmMKE Milwaukee-Mitchell-PWM Portland

9h 47m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson

4:50 pm - 8:15 pmPWM Portland-MKE Milwaukee-Mitchell

4h 25m1 stop Detroit Metropolitan Wayne County

$436Delta

Sat, Nov 21 - Mon, Nov 23

6:00 am - 12:27 pmMKE Milwaukee-Mitchell-PWM Portland

5h 27m1 stop Washington, D.C. Reagan-National

6:08 am - 12:05 pmPWM Portland-MKE Milwaukee-Mitchell

6h 57m1 stop Philadelphia

$437American Airlines

Thu, Mar 4 - Mon, Mar 8

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Southwest flights from Milwaukee to Portland, Maine

Our best Southwest deals on Milwaukee to Portland, Maine flight tickets

Southwest

Dec 3

MKE6:35 amMilwaukee-Mitchell

7h 10m

1 stop

PWM2:45 pmPortland

Dec 7

PWM3:25 pmPortland

7h 55m

2 stops

MKE10:20 pmMilwaukee-Mitchell

$330

Southwest

Feb 13

MKE3:35 pmMilwaukee-Mitchell

6h 40m

2 stops

PWM11:15 pmPortland

Feb 20

PWM1:00 pmPortland

8h 55m

2 stops

MKE8:55 pmMilwaukee-Mitchell

$365

Southwest

Dec 3

MKE6:20 amMilwaukee-Mitchell

7h 25m

2 stops

PWM2:45 pmPortland

Dec 7

PWM3:25 pmPortland

7h 55m

2 stops

MKE10:20 pmMilwaukee-Mitchell

$401

United Airlines flights from Milwaukee to Portland, Maine

Our best United Airlines deals on Milwaukee to Portland, Maine flight tickets

United Airlines

Dec 12

MKE7:00 amMilwaukee-Mitchell

7h 38m

1 stop

PWM3:38 pmPortland

Dec 15

PWM6:00 amPortland

5h 14m

1 stop

MKE10:14 amMilwaukee-Mitchell

$425

United Airlines

Dec 12

MKE8:30 amMilwaukee-Mitchell

6h 08m

1 stop

PWM3:38 pmPortland

Dec 15

PWM6:00 amPortland

10h 03m

2 stops

MKE3:03 pmMilwaukee-Mitchell

$430

United Airlines

Dec 12

MKE6:00 amMilwaukee-Mitchell

7h 37m

2 stops

PWM2:37 pmPortland

Dec 15

PWM7:00 amPortland

9h 03m

2 stops

MKE3:03 pmMilwaukee-Mitchell

$435

momondo Fare Finder

Use the filters below to find and compare flights from Milwaukee to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MilwaukeePortland

MKE Milwaukee-Mitchell - PWM Portland

MKEPWM

Milwaukee-Mitchell

Thu 12/3

3:18 pm-11:52 pm

1 stop7h 34m

Portland

Mon 12/7

5:19 pm-10:02 pm

1 stop5h 43m

$325

MilwaukeePortland

MKE Milwaukee-Mitchell - PWM Portland

MKEPWM

Milwaukee-Mitchell

Sat 2/13

7:20 am-2:43 pm

1 stop6h 23m

Portland

Sat 2/20

4:40 pm-8:57 pm

1 stop5h 17m

$325

MilwaukeePortland

MKE Milwaukee-Mitchell - PWM Portland

MKEPWM

Milwaukee-Mitchell

Thu 12/3

6:35 am-2:45 pm

1 stop7h 10m

Portland

Mon 12/7

3:25 pm-10:20 pm

2 stops7h 55m

$330

MilwaukeePortland

MKE Milwaukee-Mitchell - PWM Portland

MKEPWM

Milwaukee-Mitchell

Sat 2/13

8:20 am-2:43 pm

1 stop5h 23m

Portland

Sat 2/20

9:30 am-5:01 pm

2 stops8h 31m

$330

MilwaukeePortland

MKE Milwaukee-Mitchell - PWM Portland

MKEPWM

Milwaukee-Mitchell

Sat 2/13

3:35 pm-11:15 pm

2 stops6h 40m

Portland

Sat 2/20

1:00 pm-8:55 pm

2 stops8h 55m

$365

MilwaukeePortland

MKE Milwaukee-Mitchell - PWM Portland

MKEPWM

Milwaukee-Mitchell

Thu 12/3

6:20 am-2:45 pm

2 stops7h 25m

Portland

Mon 12/7

3:25 pm-10:20 pm

2 stops7h 55m

$401

MilwaukeePortland

MKE Milwaukee-Mitchell - PWM Portland

MKEPWM

Milwaukee-Mitchell

Sat 12/12

7:00 am-3:38 pm

1 stop7h 38m

Portland

Tue 12/15

6:00 am-10:14 am

1 stop5h 14m

$425

Quickest round-trip

MilwaukeePortland

MKE Milwaukee-Mitchell - PWM Portland

MKEPWM

Milwaukee-Mitchell

Sat 11/21

7:00 am-11:58 am

1 stop3h 58m

Portland

Mon 11/23

4:50 pm-8:15 pm

1 stop4h 25m

$431

MilwaukeePortland

MKE Milwaukee-Mitchell - PWM Portland

MKEPWM

Milwaukee-Mitchell

Sat 11/21

12:44 pm-11:31 pm

2 stops9h 47m

Portland

Mon 11/23

4:50 pm-8:15 pm

1 stop4h 25m

$436

MilwaukeePortland

MKE Milwaukee-Mitchell - PWM Portland

MKEPWM

Milwaukee-Mitchell

Thu 3/4

6:00 am-12:27 pm

1 stop5h 27m

Portland

Mon 3/8

6:08 am-12:05 pm

1 stop6h 57m

$437

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Milwaukee to Portland, Maine

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

Prices

Airlines

What is the cheapest month to fly to Portland, Maine?

The cheapest month to fly to Portland, Maine from Milwaukee is in April. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of April, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $340.

When to book flights from Milwaukee to Portland, Maine

Are you open to changing your travel dates? Check out the ideal times to fly from Milwaukee to Portland, Maine according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Milwaukee to Portland, Maine (MKE to PWM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Milwaukee to Portland, Maine

Best Price Found	$159
Fastest flight time	3h 58m
Direct flights	None

The best one-way flight to Portland, Maine from Milwaukee in the past 72 hours is $159. The best round-trip flight deal from Milwaukee to Portland, Maine found on momondo in the last 72 hours is $325.

The fastest flight from Milwaukee to Portland, Maine takes 3h 58m

There are no direct flights from Milwaukee to Portland, Maine. There are no popular flight routes from Milwaukee to Portland, Maine.

Search flight deals

Frequently asked questions about flying from Milwaukee to Portland, Maine

How far is Milwaukee-Mitchell to Portland by plane?
Portland is 885.6 mi away from Milwaukee-Mitchell. In terms of flight time, this usually takes a little over 3h 58m.
When did momondo last update prices for flights from Milwaukee-Mitchell Airport to Portland Airport?
Prices for flights from Milwaukee-Mitchell Airport to Portland Airport are updated daily.
How many operators does momondo search for flights from Milwaukee-Mitchell Airport to Portland Airport?
There are 4 operators available for flights from Milwaukee-Mitchell Airport to Portland Airport as of November 2026.
How old do you have to be to fly from Milwaukee-Mitchell Airport to Portland 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 Milwaukee-Mitchell Airport to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Milwaukee to Portland, Maine?
Based on momondo bookings for flights between Milwaukee and Portland, Maine, the leading airline is American Airlines, making up 37% of the total bookings. Other popular airlines include Delta with 28%, United Airlines with 20%, and Southwest with 14%.

Best airlines flying from Milwaukee to Portland, Maine

Compare and see reviews for airlines that fly from Milwaukee to Portland, Maine with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $280	Free Cancellation	Rating 7.8 8,698 reviews	Search Delta flights
United Airlines	PriceFrom $303	Free Cancellation	Rating 7.3 10,462 reviews	Search United Airlines flights
American Airlines	PriceFrom $324	Free Cancellation	Rating 7.0 12,232 reviews	Search American Airlines flights
Southwest	PriceFrom $386	Free Cancellation	Rating 8.0 4,215 reviews	Search Southwest flights

North Conway

Jackson

Boothbay Harbor

Brunswick

Lewiston

Freeport

Conway

Gorham

Auburn

Bartlett

Bath

Windham

Intervale

Georgetown

Oxford

Falmouth

Tamworth

Why use momondo?

Why should I use momondo to find a flight deal from Milwaukee to Portland?

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 Milwaukee to Portland for you.

Can I find flights from Milwaukee to Portland with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Milwaukee to Portland flights to just show those with flexible booking policies.

How can momondo help me find flights from Milwaukee to Portland?

momondo helps you find the best flight between Milwaukee and Portland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Milwaukee to Portland right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Milwaukee to Portland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Portland, Maine trip

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Cheap flights from Milwaukee to Portland from $159

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Milwaukee to Portland departing on 12/4. 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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Southwest flights from Milwaukee to Portland, Maine

Our best Southwest deals on Milwaukee to Portland, Maine flight tickets

United Airlines flights from Milwaukee to Portland, Maine

Our best United Airlines deals on Milwaukee to Portland, Maine flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Milwaukee to Portland, Maine that are best for you.

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How to get the cheapest flight ticket from Milwaukee to Portland, Maine

What is the cheapest month to fly to Portland, Maine?

What is the cheapest airline that flies from Milwaukee-Mitchell to Portland?

What airlines fly to Portland, Maine?

When to book flights from Milwaukee to Portland, Maine

Cheap Milwaukee to Portland, Maine (MKE to PWM) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Milwaukee to Portland, Maine

Best airlines flying from Milwaukee to Portland, Maine

Compare and see reviews for airlines that fly from Milwaukee to Portland, Maine with momondo

Traveling to a place near Portland?

Why use momondo?

An easier way to manage your Portland, Maine trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Maine

Fly your favorite airline to Portland

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portland

List of cabin classes available on flights landing in Portland. Availability may vary depending on flight origin and airline.

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