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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 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Milwaukee to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:00 pm - 3:58 pm
MKE
-
PDX
5h 58m
1 stop
Delta Logo
12:40 am - 8:14 am
PDX
-
MKE
5h 34m
1 stop
$317Delta
Wed, Sep 9 - Tue, Sep 15
United Airlines Logo
5:00 am - 9:39 am
MKE
-
PDX
6h 39m
1 stop
United Airlines Logo
11:40 pm - 9:57 am
PDX
-
MKE
8h 17m
1 stop
$325United Airlines
Wed, Jun 3 - Mon, Jun 8
Delta Logo
12:15 pm - 5:15 pm
MKE
-
PDX
7h 00m
1 stop
Delta Logo
11:12 pm - 8:49 am
PDX
-
MKE
7h 37m
1 stop
$333Delta
Thu, May 28 - Thu, May 28
Delta Logo
5:01 pm - 10:02 pm
MKE
-
PDX
7h 01m
1 stop
Delta Logo
1:40 pm - 9:33 pm
PDX
-
MKE
5h 53m
1 stop
$348Delta
Mon, May 25 - Tue, Jun 2
Southwest Logo
4:05 pm - 11:10 pm
MKE
-
PDX
9h 05m
1 stop
Southwest Logo
5:35 am - 5:15 pm
PDX
-
MKE
9h 40m
2 stops
$350Southwest
Tue, Jun 2 - Tue, Jun 9
Delta Logo
5:01 pm - 10:02 pm
MKE
-
PDX
7h 01m
1 stop
Delta Logo
6:15 am - 4:51 pm
PDX
-
MKE
8h 36m
1 stop
$356Delta
Mon, May 25 - Sat, May 30
Southwest Logo
2:45 pm - 11:10 pm
MKE
-
PDX
10h 25m
2 stops
Southwest Logo
11:30 pm - 10:55 am
PDX
-
MKE
9h 25m
1 stop
$359Southwest
Wed, Jun 3 - Mon, Jun 8
Southwest Logo
6:10 am - 1:40 pm
MKE
-
PDX
9h 30m
2 stops
Southwest Logo
1:35 pm - 9:35 pm
PDX
-
MKE
6h 00m
1 stop
$363Southwest
Tue, May 26 - Tue, Jun 2
Delta Logo
6:45 am - 12:33 pm
MKE
-
PDX
7h 48m
1 stop
Delta Logo
3:10 pm - 10:55 pm
PDX
-
MKE
5h 45m
1 stop
$367Delta
Fri, May 29 - Wed, Jun 3
Southwest Logo
5:15 pm - 11:55 pm
MKE
-
PDX
8h 40m
1 stop
Southwest Logo
5:35 am - 5:15 pm
PDX
-
MKE
9h 40m
2 stops
$373Southwest
Thu, Jun 4 - Tue, Jun 9

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 April 29, 2026.
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

Cheapest round-trip
Quickest round-trip

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Wed 9/9

12:00 pm-3:58 pm

1 stop5h 58m

Portland

Tue 9/15

12:40 am-8:14 am

1 stop5h 34m

$317

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Wed 6/3

5:00 am-9:39 am

1 stop6h 39m

Portland

Mon 6/8

11:40 pm-9:57 am

1 stop8h 17m

$325

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Thu 5/28

12:15 pm-5:15 pm

1 stop7h 00m

Portland

Thu 5/28

11:12 pm-8:49 am

1 stop7h 37m

$333

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Mon 5/25

5:01 pm-10:02 pm

1 stop7h 01m

Portland

Tue 6/2

1:40 pm-9:33 pm

1 stop5h 53m

$348

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Tue 6/2

4:05 pm-11:10 pm

1 stop9h 05m

Portland

Tue 6/9

5:35 am-5:15 pm

2 stops9h 40m

$350

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Mon 5/25

5:01 pm-10:02 pm

1 stop7h 01m

Portland

Sat 5/30

6:15 am-4:51 pm

1 stop8h 36m

$356

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Wed 6/3

2:45 pm-11:10 pm

2 stops10h 25m

Portland

Mon 6/8

11:30 pm-10:55 am

1 stop9h 25m

$359

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Tue 5/26

6:10 am-1:40 pm

2 stops9h 30m

Portland

Tue 6/2

1:35 pm-9:35 pm

1 stop6h 00m

$363

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Fri 5/29

6:45 am-12:33 pm

1 stop7h 48m

Portland

Wed 6/3

3:10 pm-10:55 pm

1 stop5h 45m

$367

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Thu 6/4

5:15 pm-11:55 pm

1 stop8h 40m

Portland

Tue 6/9

5:35 am-5:15 pm

2 stops9h 40m

$373

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 typical price of a round-trip flight between Milwaukee and Portland?

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 May to fly from Milwaukee, when ticket prices are also cheap, with an average price of $376.

How far in advance should I book a flight from Milwaukee 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 $427 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 $355 on momondo.

How have Milwaukee to Portland flight prices changed over time?

As of April 2026, prices for Milwaukee to Portland flights are approximately 23% cheaper 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

Fastest flight time

5h 58m

Direct flights

None
The fastest flight from Milwaukee to Portland takes 5h 58m
There are no direct flights from Milwaukee to Portland. There are no popular flight routes from Milwaukee to Portland.
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Frequently asked questions about flying from Milwaukee to Portland

  • 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 5h 58m 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
American AirlinesPriceFrom $236Free CancellationRating
7.1
11,678 reviews
Search American Airlines flights
United AirlinesPriceFrom $266Free CancellationRating
7.4
9,680 reviews
Search United Airlines flights
DeltaPriceFrom $268Free CancellationRating
7.9
8,465 reviews
Search Delta flights
Alaska AirlinesPriceFrom $276Free CancellationRating
7.9
12,313 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $319Free CancellationRating
8.0
4,314 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
Rockaway Beach
Beaverton
Depoe Bay
Hillsboro
Tigard
Longview
Hood River
Troutdale
Newberg
McMinnville
The Dalles
Manzanita
Pacific City

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.

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