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Cheap flights from Milwaukee to Portland from $76

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 9/8. 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 (MKE-PDX)

Cheap round-trip flights

Frontier Logo
8:04 pm - 12:12 amMKE-PDX
6h 08m1 stop
Frontier Logo
6:05 am - 2:14 pmPDX-MKE
6h 09m1 stop
$151Frontier
Find Deal
Mon, Sep 8 - Sun, Sep 14
Frontier Logo
8:04 pm - 11:48 amMKE-PDX
17h 44m1 stop
Frontier Logo
12:43 pm - 7:18 pmPDX-MKE
28h 35m1 stop
$178Frontier
Find Deal
Fri, Oct 24 - Sun, Oct 26
Frontier Logo
7:36 pm - 12:12 amMKE-PDX
6h 36m1 stop
Frontier Logo
6:05 am - 7:19 pmPDX-MKE
11h 14m1 stop
$199Frontier
Find Deal
Fri, Sep 26 - Mon, Sep 29
Alaska Airlines Logo
6:27 am - 12:27 pmMKE-PDX
8h 00m1 stop
Alaska Airlines Logo
2:32 pm - 12:02 amPDX-MKE
7h 30m1 stop
$271Alaska Airlines
Find Deal
Wed, Sep 10 - Wed, Sep 10
Delta Logo
2:45 pm - 10:32 pmMKE-PDX
9h 47m1 stop
Delta Logo
12:40 am - 10:29 amPDX-MKE
7h 49m1 stop
$278Delta
Find Deal
Wed, Nov 12 - Fri, Nov 14
Delta Logo
9:05 am - 12:35 pmMKE-PDX
5h 30m1 stop
Delta Logo
12:45 am - 10:57 amPDX-MKE
8h 12m1 stop
$279Delta
Find Deal
Tue, Sep 16 - Fri, Sep 26
United Airlines Logo
4:30 pm - 9:01 pmMKE-PDX
6h 31m1 stop
United Airlines Logo
5:00 am - 3:09 pmPDX-MKE
8h 09m2 stops
$284United Airlines
Find Deal
Sat, Sep 20 - Sat, Sep 27
Alaska Airlines Logo
6:27 am - 12:27 pmMKE-PDX
8h 00m1 stop
Alaska Airlines Logo
3:40 pm - 12:02 amPDX-MKE
6h 22m1 stop
$296Alaska Airlines
Find Deal
Wed, Sep 10 - Thu, Sep 11
Southwest Logo
5:30 am - 9:40 amMKE-PDX
6h 10m1 stop
Southwest Logo
10:55 am - 9:45 pmPDX-MKE
8h 50m2 stops
$322Southwest
Find Deal
Sat, Sep 13 - Tue, Sep 16
Southwest Logo
4:25 pm - 10:10 pmMKE-PDX
7h 45m1 stop
Southwest Logo
5:10 am - 3:30 pmPDX-MKE
8h 20m2 stops
$334Southwest
Find Deal
Sat, Oct 4 - Tue, Oct 7

Frontier flights from Milwaukee to Portland

Our best Frontier deals on Milwaukee to Portland flight tickets
Frontier
Sep 8
MKE8:04 pmMilwaukee-Mitchell
6h 08m
1 stop
PDX12:12 amPortland
Sep 14
PDX6:05 amPortland
6h 09m
1 stop
MKE2:14 pmMilwaukee-Mitchell
$151
Find similar
Frontier
Oct 24
MKE8:04 pmMilwaukee-Mitchell
17h 44m
1 stop
PDX11:48 amPortland
Oct 26
PDX12:43 pmPortland
28h 35m
1 stop
MKE7:18 pmMilwaukee-Mitchell
$178
Find similar
Frontier
Sep 26
MKE7:36 pmMilwaukee-Mitchell
6h 36m
1 stop
PDX12:12 amPortland
Sep 29
PDX6:05 amPortland
11h 14m
1 stop
MKE7:19 pmMilwaukee-Mitchell
$199
Find similar

Alaska Airlines flights from Milwaukee to Portland

Our best Alaska Airlines deals on Milwaukee to Portland flight tickets
Alaska Airlines
Sep 10
MKE6:27 amMilwaukee-Mitchell
8h 00m
1 stop
PDX12:27 pmPortland
Sep 10
PDX2:32 pmPortland
7h 30m
1 stop
MKE12:02 amMilwaukee-Mitchell
$271
Find similar
Alaska Airlines
Sep 10
MKE6:27 amMilwaukee-Mitchell
8h 00m
1 stop
PDX12:27 pmPortland
Sep 11
PDX3:40 pmPortland
6h 22m
1 stop
MKE12:02 amMilwaukee-Mitchell
$296
Find similar
Alaska Airlines
Sep 9
MKE6:27 amMilwaukee-Mitchell
6h 30m
1 stop
PDX10:57 amPortland
Sep 16
PDX6:05 amPortland
6h 19m
1 stop
MKE2:24 pmMilwaukee-Mitchell
$303
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 August 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

Mon 9/8

8:04 pm-12:12 am

1 stop6h 08m

Portland

Sun 9/14

6:05 am-2:14 pm

1 stop6h 09m

$151

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Fri 10/24

8:04 pm-11:48 am

1 stop17h 44m

Portland

Sun 10/26

12:43 pm-7:18 pm

1 stop28h 35m

$178

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Fri 9/26

7:36 pm-12:12 am

1 stop6h 36m

Portland

Mon 9/29

6:05 am-7:19 pm

1 stop11h 14m

$199

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Wed 9/10

6:27 am-12:27 pm

1 stop8h 00m

Portland

Wed 9/10

2:32 pm-12:02 am

1 stop7h 30m

$271

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Wed 11/12

2:45 pm-10:32 pm

1 stop9h 47m

Portland

Fri 11/14

12:40 am-10:29 am

1 stop7h 49m

$278

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Tue 9/16

9:05 am-12:35 pm

1 stop5h 30m

Portland

Fri 9/26

12:45 am-10:57 am

1 stop8h 12m

$279

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Sat 9/20

4:30 pm-9:01 pm

1 stop6h 31m

Portland

Sat 9/27

5:00 am-3:09 pm

2 stops8h 09m

$284

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Wed 9/10

6:27 am-12:27 pm

1 stop8h 00m

Portland

Thu 9/11

3:40 pm-12:02 am

1 stop6h 22m

$296

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Sat 9/13

5:30 am-9:40 am

1 stop6h 10m

Portland

Tue 9/16

10:55 am-9:45 pm

2 stops8h 50m

$322

MilwaukeePortland

MKE - PDX

MKEPDX

Milwaukee-Mitchell

Sat 10/4

4:25 pm-10:10 pm

1 stop7h 45m

Portland

Tue 10/7

5:10 am-3:30 pm

2 stops8h 20m

$334

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 April. Flight prices, which tend to average around $386, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in April, then you should wait until September 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 $433 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 $369 on momondo.

How have Milwaukee to Portland flight prices changed over time?

As of August 2025, prices for Milwaukee to Portland flights are approximately 1% 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

Best Price Found

$76

Fastest flight time

5h 30m

Direct flights

None

Airports in Portland

1 airport
The best one-way flight to Portland from Milwaukee in the past 72 hours is $76. The best round-trip flight deal from Milwaukee to Portland found on momondo in the last 72 hours is $151.
The fastest flight from Milwaukee to Portland takes 5h 30m
There are no direct flights from Milwaukee to Portland. Popular non-direct route for this connection is Milwaukee-Mitchell Airport - Portland Airport.
There is 1 airport near Portland: Portland (PDX)
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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 5h 30m 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
Spirit AirlinesPriceFrom $108Free CancellationRating
6.3
8,040 reviews
Search Spirit Airlines flights
FrontierPriceFrom $108Free CancellationRating
5.8
3,212 reviews
Search Frontier flights
American AirlinesPriceFrom $207Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Hawaiian AirlinesPriceFrom $278Free CancellationRating
7.8
2,664 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $278Free CancellationRating
8.0
7,986 reviews
Search Delta flights
Alaska AirlinesPriceFrom $291Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $318Free CancellationRating
7.4
8,919 reviews
Search United Airlines flights
SouthwestPriceFrom $334Free CancellationRating
8.0
4,246 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
Beaverton
Rockaway Beach
Hood River
Hillsboro
Gresham
McMinnville
Tigard
Longview
The Dalles
Pacific City
Manzanita
Tillamook

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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