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Cheap flights from Milwaukee to Portland from $141

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 12/19. 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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0 bags

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Find the cheapest flights from Milwaukee to Portland

Cheap round-trip flights

Frontier Logo
7:36 pm - 12:12 amMKE-PDX
6h 36m1 stop
Frontier Logo
6:05 am - 2:14 pmPDX-MKE
6h 09m1 stop
$150Frontier
Find Deal
Fri, Oct 3 - Sun, Oct 5
Frontier Logo
7:36 pm - 12:12 amMKE-PDX
6h 36m1 stop
Frontier Logo
6:05 am - 7:19 pmPDX-MKE
11h 14m1 stop
$160Frontier
Find Deal
Fri, Oct 3 - Mon, Oct 6
Delta Logo
12:09 pm - 5:27 pmMKE-PDX
7h 18m1 stop
Delta Logo
2:10 pm - 11:55 pmPDX-MKE
7h 45m1 stop
$317Delta
Find Deal
Wed, Oct 15 - Wed, Oct 22
United Airlines Logo
10:55 am - 3:05 pmMKE-PDX
6h 10m1 stop
United Airlines Logo
12:55 pm - 10:43 pmPDX-MKE
7h 48m2 stops
$322United Airlines
Find Deal
Tue, Oct 7 - Tue, Nov 4
United Airlines Logo
10:50 am - 3:30 pmMKE-PDX
6h 40m1 stop
United Airlines Logo
5:00 am - 1:01 pmPDX-MKE
6h 01m1 stop
$327United Airlines
Find Deal
Sat, Oct 11 - Wed, Oct 15
Southwest Logo
8:05 pm - 12:15 amMKE-PDX
6h 10m1 stop
Southwest Logo
2:35 pm - 10:00 pmPDX-MKE
5h 25m1 stop
$334Southwest
Find Deal
Thu, Dec 18 - Wed, Dec 31
Southwest Logo
6:05 pm - 11:35 pmMKE-PDX
7h 30m1 stop
Southwest Logo
11:30 am - 10:00 pmPDX-MKE
8h 30m2 stops
$339Southwest
Find Deal
Thu, Dec 18 - Wed, Dec 31
Delta Logo
7:03 pm - 8:36 amMKE-PDX
15h 33m2 stops
Delta Logo
12:40 am - 8:19 amPDX-MKE
5h 39m1 stop
$346Delta
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Fri, Oct 10 - Sun, Oct 12
American Airlines Logo
7:45 am - 2:13 pmMKE-PDX
8h 28m1 stop
American Airlines Logo
12:49 am - 11:03 amPDX-MKE
8h 14m1 stop
$374American Airlines
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Thu, Dec 18 - Tue, Dec 30
American Airlines Logo
12:00 pm - 7:15 pmMKE-PDX
9h 15m1 stop
American Airlines Logo
5:30 am - 5:01 pmPDX-MKE
9h 31m1 stop
$379American Airlines
Find Deal
Fri, Nov 28 - Fri, Dec 12

American Airlines flights from Milwaukee to Portland

Our best American Airlines deals on Milwaukee to Portland flight tickets
American Airlines
Dec 18
MKE7:45 amMilwaukee-Mitchell
8h 28m
1 stop
PDX2:13 pmPortland
Dec 30
PDX12:49 amPortland
8h 14m
1 stop
MKE11:03 amMilwaukee-Mitchell
$374
Find similar
American Airlines
Nov 28
MKE12:00 pmMilwaukee-Mitchell
9h 15m
1 stop
PDX7:15 pmPortland
Dec 12
PDX5:30 amPortland
9h 31m
1 stop
MKE5:01 pmMilwaukee-Mitchell
$379
Find similar
American Airlines
Nov 3
MKE6:57 pmMilwaukee-Mitchell
17h 51m
1 stop
PDX10:48 amPortland
Nov 10
PDX1:26 pmPortland
16h 29m
1 stop
MKE7:55 amMilwaukee-Mitchell
$412
Find similar

Delta flights from Milwaukee to Portland

Our best Delta deals on Milwaukee to Portland flight tickets
Delta
Oct 15
MKE12:09 pmMilwaukee-Mitchell
7h 18m
1 stop
PDX5:27 pmPortland
Oct 22
PDX2:10 pmPortland
7h 45m
1 stop
MKE11:55 pmMilwaukee-Mitchell
$317
Find similar
Delta
Oct 10
MKE7:03 pmMilwaukee-Mitchell
15h 33m
2 stops
PDX8:36 amPortland
Oct 12
PDX12:40 amPortland
5h 39m
1 stop
MKE8:19 amMilwaukee-Mitchell
$346
Find similar
Delta
Mar 3
MKE7:15 amMilwaukee-Mitchell
13h 56m
2 stops
PDX7:11 pmPortland
Mar 3
PDX12:55 amPortland
7h 16m
1 stop
MKE10:11 amMilwaukee-Mitchell
$351
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Milwaukee to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Milwaukee to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Fri 10/3

7:36 pm-12:12 am

1 stop6h 36m

Portland

Sun 10/5

6:05 am-2:14 pm

1 stop6h 09m

$150

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Fri 10/3

7:36 pm-12:12 am

1 stop6h 36m

Portland

Mon 10/6

6:05 am-7:19 pm

1 stop11h 14m

$160

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Wed 10/15

12:09 pm-5:27 pm

1 stop7h 18m

Portland

Wed 10/22

2:10 pm-11:55 pm

1 stop7h 45m

$317

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Tue 10/7

10:55 am-3:05 pm

1 stop6h 10m

Portland

Tue 11/4

12:55 pm-10:43 pm

2 stops7h 48m

$322

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Sat 10/11

10:50 am-3:30 pm

1 stop6h 40m

Portland

Wed 10/15

5:00 am-1:01 pm

1 stop6h 01m

$327

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Thu 12/18

8:05 pm-12:15 am

1 stop6h 10m

Portland

Wed 12/31

2:35 pm-10:00 pm

1 stop5h 25m

$334

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Thu 12/18

6:05 pm-11:35 pm

1 stop7h 30m

Portland

Wed 12/31

11:30 am-10:00 pm

2 stops8h 30m

$339

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Fri 10/10

7:03 pm-8:36 am

2 stops15h 33m

Portland

Sun 10/12

12:40 am-8:19 am

1 stop5h 39m

$346

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Thu 12/18

7:45 am-2:13 pm

1 stop8h 28m

Portland

Tue 12/30

12:49 am-11:03 am

1 stop8h 14m

$374

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Fri 11/28

12:00 pm-7:15 pm

1 stop9h 15m

Portland

Fri 12/12

5:30 am-5:01 pm

1 stop9h 31m

$379

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portland from

How to get the cheapest flight ticket from Milwaukee to Portland

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 Portland?

The cheapest month to fly to Portland from Milwaukee is in September. Flight prices, which tend to average around $348, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in September, then you should wait until April to fly from Milwaukee, when ticket prices are also cheap, with an average price of $386.

What is the cheapest day to depart on your flight to Portland?

The cheapest day to depart on your flight to Portland is on a Wednesday when prices can be found for as low as $396. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Sunday, with ticket prices averaging around $486.

What is the cheapest time of day to depart on your flight to Portland?

The cheapest time of day to fly to Portland is in the evening when flights can be purchased for as low as $299. At noon is when there is more demand to fly to Portland, so prices are often more expensive at around $456 per ticket.

How far in advance should I book a flight to Portland?

You are more likely to see cheaper flights to Portland from Milwaukee when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $430 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Milwaukee for as low as $373 on momondo.

How have Milwaukee to Portland flight prices changed over time?

As of September 2025, prices for Milwaukee to Portland flights are approximately 46% more expensive when compared to flights at the same time last year.

When to book flights from Milwaukee to Portland

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

Cheap Milwaukee to Portland (MKE to PDX) flight deals and tips

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

Direct flights

None
There are no direct flights from Milwaukee to Portland. There are no popular flight routes from Milwaukee to Portland.
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  • How far is Milwaukee-Mitchell to Portland by plane?

    The distance between Milwaukee-Mitchell and Portland is about 1713.7 mi. Typically, this will take 6h 06m by plane in normal conditions.

  • 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 refresh daily.

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

  • 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?

Best airlines flying from Milwaukee to Portland

Compare and see reviews for airlines that fly from Milwaukee to Portland with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $108Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $124Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $207Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Hawaiian AirlinesPriceFrom $278Free CancellationRating
7.8
2,729 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $278Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $278Free CancellationRating
7.9
7,961 reviews
Search Delta flights
United AirlinesPriceFrom $316Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
SouthwestPriceFrom $334Free CancellationRating
8.0
4,242 reviews
Search Southwest flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Cannon Beach
Vancouver
Salem
Astoria
Long Beach
Depoe Bay
Rockaway Beach
Beaverton
Hillsboro
Hood River
Gresham
McMinnville
Longview
Tigard
The Dalles
Pacific City
Tillamook
Manzanita

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portland from Milwaukee.

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

Flights from Milwaukee to Portland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Milwaukee to Portland 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 Milwaukee to Portland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Milwaukee to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know when they change.

An easier way to manage your Portland 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.
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