$135+ Cheap flights from Portland to Milwaukee (PDX - MKE)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MKE
Apr 10 — Apr 171
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Last-minute
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Cheapest flights from Portland to MilwaukeeExplore the most affordable flight options available from Portland to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 11, 2026.
Explore the most affordable flight options available from Portland to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 11, 2026.
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1112:50 pm
PDX
- MKE
1 stop6h 31m
United Airlines
Tue 4/1410:45 am
MKE
- PDX
1 stop6h 24m
United Airlines
Deal found 3/8![United Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:32 pm
PDX
- MKE
2 stops11h 17m
Delta
Mon 4/275:05 pm
MKE
- PDX
2 stops8h 51m
Delta
Deal found 3/7![Delta logo]()
$293
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/115:00 am
PDX
- MKE
1 stop7h 28m
United Airlines
Sat 4/1810:45 am
MKE
- PDX
2 stops9h 00m
United Airlines
Deal found 3/9![United Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:15 pm
PDX
- MKE
1 stop7h 34m
Delta
Fri 4/177:25 am
MKE
- PDX
2 stops11h 45m
Delta
Deal found 3/6![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1012:30 am
PDX
- MKE
1 stop7h 41m
Delta
Mon 4/131:55 pm
MKE
- PDX
2 stops12h 01m
Delta
Deal found 3/9![Delta logo]()
$305
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1112:50 pm
PDX
- MKE
1 stop6h 31m
United Airlines
Mon 4/137:41 pm
MKE
- PDX
1 stop6h 18m
United Airlines
Deal found 3/8![United Airlines logo]()
$306
This Southwest deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:30 am
PDX
- MKE
1 stop6h 35m
Southwest
Thu 4/164:50 pm
MKE
- PDX
1 stop9h 20m
Southwest
Deal found 3/10![Southwest logo]()
$311
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:15 pm
PDX
- MKE
1 stop7h 35m
Delta
Fri 4/104:48 pm
MKE
- PDX
2 stops9h 11m
Delta
Deal found 3/6![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/318:05 pm
PDX
- MKE
2 stops10h 45m
Delta
Sun 4/51:15 pm
MKE
- PDX
2 stops9h 44m
Delta
Deal found 3/6![Delta logo]()
$328
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:32 pm
PDX
- MKE
2 stops11h 17m
Delta
Thu 4/161:55 pm
MKE
- PDX
2 stops12h 01m
Delta
Deal found 3/6![Delta logo]()
$329
Best flights from Portland to MilwaukeeDiscover carefully curated flight deals from Portland to Milwaukee that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 11, 2026.
Discover carefully curated flight deals from Portland to Milwaukee that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 11, 2026.
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/115:00 am
PDX
- MKE
1 stop7h 28m
United Airlines
Sat 4/1810:45 am
MKE
- PDX
2 stops9h 00m
United Airlines
Deal found 3/9![United Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/141:32 pm
PDX
- MKE
2 stops7h 14m
Delta
Fri 4/177:25 am
MKE
- PDX
2 stops11h 45m
Delta
Deal found 3/6![Delta logo]()
$329
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/711:35 am
PDX
- MKE
1 stop8h 45m
Southwest
Sun 5/105:10 pm
MKE
- PDX
1 stop8h 55m
Southwest
Deal found 3/9![Southwest logo]()
$396
This Alaska Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/241:52 pm
PDX
- MKE
1 stop22h 51m
Alaska Airlines
Sun 4/267:00 am
MKE
- PDX
1 stop14h 34m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$413
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:32 pm
PDX
- MKE
2 stops11h 17m
Delta
Mon 4/2710:53 am
MKE
- PDX
1 stop8h 39m
Delta
Deal found 3/7![Delta logo]()
$334
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/315:00 am
PDX
- MKE
1 stop7h 28m
United Airlines
Sun 4/57:41 pm
MKE
- PDX
1 stop6h 18m
United Airlines
Deal found 3/6![United Airlines logo]()
$367
This Southwest deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/711:35 am
PDX
- MKE
1 stop8h 45m
Southwest
Fri 5/224:50 pm
MKE
- PDX
2 stops10h 05m
Southwest
Deal found 3/10![Southwest logo]()
$411
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/611:15 pm
PDX
- MKE
1 stop7h 37m
Delta
Fri 4/104:48 pm
MKE
- PDX
2 stops9h 11m
Delta
Deal found 3/6![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1811:59 pm
PDX
- MKE
1 stop8h 01m
United Airlines
Mon 4/207:41 pm
MKE
- PDX
1 stop6h 18m
United Airlines
Deal found 3/7![United Airlines logo]()
$396
Last-minute flights from Portland to MilwaukeeDiscover last-minute flight deals from Portland to Milwaukee. Data last updated March 11, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Milwaukee. Data last updated March 11, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/318:05 pm
PDX
- MKE
2 stops10h 45m
Delta
Sun 4/51:15 pm
MKE
- PDX
2 stops9h 44m
Delta
Deal found 3/6![Delta logo]()
$328
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:15 pm
PDX
- MKE
1 stop7h 35m
Delta
Fri 4/104:48 pm
MKE
- PDX
2 stops9h 11m
Delta
Deal found 3/6![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1012:30 am
PDX
- MKE
1 stop7h 41m
Delta
Mon 4/131:55 pm
MKE
- PDX
2 stops12h 01m
Delta
Deal found 3/9![Delta logo]()
$305
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1112:50 pm
PDX
- MKE
1 stop6h 31m
United Airlines
Tue 4/1410:45 am
MKE
- PDX
1 stop6h 24m
United Airlines
Deal found 3/8![United Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/115:00 am
PDX
- MKE
1 stop7h 28m
United Airlines
Sat 4/1810:45 am
MKE
- PDX
2 stops9h 00m
United Airlines
Deal found 3/9![United Airlines logo]()
$302
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1112:50 pm
PDX
- MKE
1 stop6h 31m
United Airlines
Mon 4/137:41 pm
MKE
- PDX
1 stop6h 18m
United Airlines
Deal found 3/8![United Airlines logo]()
$306
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:15 pm
PDX
- MKE
1 stop7h 34m
Delta
Fri 4/177:25 am
MKE
- PDX
2 stops11h 45m
Delta
Deal found 3/6![Delta logo]()
$303
This Southwest deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:30 am
PDX
- MKE
1 stop6h 35m
Southwest
Thu 4/164:50 pm
MKE
- PDX
1 stop9h 20m
Southwest
Deal found 3/10![Southwest logo]()
$311
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:32 pm
PDX
- MKE
2 stops11h 17m
Delta
Thu 4/161:55 pm
MKE
- PDX
2 stops12h 01m
Delta
Deal found 3/6![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:32 pm
PDX
- MKE
2 stops11h 17m
Delta
Mon 4/275:05 pm
MKE
- PDX
2 stops8h 51m
Delta
Deal found 3/7![Delta logo]()
$293
One-way flights from Portland to MilwaukeeSearch for one-way flight options from Portland to Milwaukee. Find affordable one-way fares based on user searches. Data last updated March 11, 2026.
Search for one-way flight options from Portland to Milwaukee. Find affordable one-way fares based on user searches. Data last updated March 11, 2026.
This Priceline deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/268:53 am
PDX
- MKE
1 stop7h 17m
Frontier
Deal found 3/7![Frontier logo]()
$135
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1910:15 pm
PDX
- MKE
1 stop9h 49m
United Airlines
Deal found 3/6![United Airlines logo]()
$139
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/198:11 pm
PDX
- MKE
2 stops10h 38m
Delta
Deal found 3/9![Delta logo]()
$167
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2811:15 pm
PDX
- MKE
1 stop7h 35m
Delta
Deal found 3/7![Delta logo]()
$168
This Southwest deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:55 pm
PDX
- MKE
1 stop9h 00m
Southwest
Deal found 3/10![Southwest logo]()
$173
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/611:59 pm
PDX
- MKE
1 stop8h 01m
United Airlines
Deal found 3/9![United Airlines logo]()
$178
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/118:40 am
PDX
- MKE
2 stops11h 03m
United Airlines
Deal found 3/10![United Airlines logo]()
$183
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:32 pm
PDX
- MKE
2 stops11h 17m
Delta
Deal found 3/10![Delta logo]()
$187
This Alaska Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:46 pm
PDX
- MKE
1 stop19h 58m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$188
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:14 pm
PDX
- MKE
2 stops12h 46m
United Airlines
Deal found 3/10![United Airlines logo]()
$199
Find flight deals from Portland to Milwaukee
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Milwaukee (MKE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $277 (United Airlines) |
One-way from | $135 (Priceline) |
Popular in | February |
Cheapest in | January |
Average price | $567 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Milwaukee 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, Cheapflights users made 2,558,603 searches. Data last updated March 11, 2026.
Use the filters below to find and compare flights from Portland to Milwaukee that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandMilwaukee
PDX - MKE
PDXMKE
Portland
Sat 4/11
5:00 am-2:28 pm
1 stop7h 28m
Milwaukee-Mitchell
Sat 4/18
10:45 am-5:45 pm
2 stops9h 00m
$302
PortlandMilwaukee
PDX - MKE
PDXMKE
Portland
Tue 4/14
1:32 pm-10:46 pm
2 stops7h 14m
Milwaukee-Mitchell
Fri 4/17
7:25 am-5:10 pm
2 stops11h 45m
$329
PortlandMilwaukee
PDX - MKE
PDXMKE
Portland
Fri 4/17
7:32 pm-8:49 am
2 stops11h 17m
Milwaukee-Mitchell
Mon 4/27
10:53 am-5:32 pm
1 stop8h 39m
$334
Quickest round-trip
PortlandMilwaukee
PDX - MKE
PDXMKE
Portland
Tue 3/31
5:00 am-2:28 pm
1 stop7h 28m
Milwaukee-Mitchell
Sun 4/5
7:41 pm-11:59 pm
1 stop6h 18m
$367
PortlandMilwaukee
PDX - MKE
PDXMKE
Portland
Mon 4/6
11:15 pm-8:52 am
1 stop7h 37m
Milwaukee-Mitchell
Fri 4/10
4:48 pm-11:59 pm
2 stops9h 11m
$384
PortlandMilwaukee
PDX - MKE
PDXMKE
Portland
Thu 5/7
11:35 am-10:20 pm
1 stop8h 45m
Milwaukee-Mitchell
Sun 5/10
5:10 pm-12:05 am
1 stop8h 55m
$396
PortlandMilwaukee
PDX - MKE
PDXMKE
Portland
Sat 4/18
11:59 pm-10:00 am
1 stop8h 01m
Milwaukee-Mitchell
Mon 4/20
7:41 pm-11:59 pm
1 stop6h 18m
$396
PortlandMilwaukee
PDX - MKE
PDXMKE
Portland
Thu 5/7
11:35 am-10:20 pm
1 stop8h 45m
Milwaukee-Mitchell
Fri 5/22
4:50 pm-12:55 am
2 stops10h 05m
$411
PortlandMilwaukee
PDX - MKE
PDXMKE
Portland
Fri 4/24
1:52 pm-2:43 pm
1 stop22h 51m
Milwaukee-Mitchell
Sun 4/26
7:00 am-7:34 pm
1 stop14h 34m
$413
Cheapest one-way
PortlandMilwaukee
PDX - MKE
PDXMKE
Portland
Tue 5/19
10:15 pm-10:04 am
1 stop9h 49m
$139
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Portland to Milwaukee
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Milwaukee in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Portland-Milwaukee flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Milwaukee flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Milwaukee flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-Milwaukee flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Milwaukee flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Portland to Milwaukee
Have a flexible travel schedule? Discover the best time to fly to Milwaukee from Portland with our price prediction graph.
PDX-MKE
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Portland to Milwaukee
How far ahead should I book a flight from Portland to Milwaukee?
Use this chart to determine the optimal time to book a round-trip flight from Portland to Milwaukee. Price data was last updated on March 6, 2026.
Booking 35 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland to Milwaukee. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Portland to Milwaukee?
Currently, August is the cheapest month in which you can book a flight from Portland to Milwaukee (average of $88). Flying from Portland to Milwaukee in July is currently the most expensive (average of $238). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Milwaukee
Get insights into the airlines that provide service to Milwaukee. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Milwaukee. Reviews last updated March 11, 2026.
Read through reviews of airlines operating flights from Portland to Milwaukee, such as Alaska Airlines,Southwest, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.1
Overall
8.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.1
Overall
8.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.1
Overall
8.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.1
Overall
8.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.1
Overall
8.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.1
Overall
8.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from Portland to Milwaukee. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Book flights to Milwaukee if you plan to visit one of these locationsSheboygan
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Top 5 airlines flying from Portland to Milwaukee
Discover the top 5 airlines that operate flights from Portland to Milwaukee. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$416 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$209 | Average$386 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$298 | Average$454 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$307 | Average$403 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$339 | Average$506 | FlexibilityNo cancel fee | On-time63% |