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$263+ Cheap flights from Ottawa (YOW) to Milwaukee (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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — MKE
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Ottawa to Milwaukee

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) 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 September 11, 2025.

Round-trip from

$568
(United Airlines)

One-way from

$263
(Kiwi.com)

Popular in

July

Cheapest in

June

Average price

$600
From Ottawa to Milwaukee-Mitchell
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One-way flight from Ottawa to Milwaukee-Mitchell
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Highest demand for flights based on searches. 17% potential increase in price ($156 potential increase over avg. RT price).
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Cheapest flight prices on average. 15% potential price decrease ($96 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ottawa to Milwaukee

Cheapest flights from Ottawa to Milwaukee
Explore the most affordable flight options available from Ottawa to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/9. 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 10/255:15 amYOW - MKE
2 stops16h 53mUnited Airlines
Sat 11/12:45 pmMKE - YOW
1 stop5h 33mUnited Airlines
Deal found 9/9$568

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa 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 September 11, 2025.
Use the filters below to find and compare flights from Ottawa to Milwaukee that are best for you.

Fly from

Ottawa

Fly to

Milwaukee

Route

Depart

Return

Price

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Sat 10/25

5:15 am-9:08 pm

2 stops16h 53m

Milwaukee-Mitchell

Sat 11/1

3:49 pm-11:54 pm

2 stops7h 05m

$568

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Sun 10/5

4:25 pm-7:19 pm

2 stops27h 54m

$263

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Wed 9/24

6:00 am-8:55 pm

3 stops39h 55m

$272

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Sat 10/25

5:15 am-9:08 pm

2 stops16h 53m

$281

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Sat 9/27

3:50 pm-11:58 am

2 stops21h 08m

$305

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Sun 10/5

6:33 am-6:56 pm

1 stop13h 23m

$354

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Sat 10/25

6:30 pm-7:18 pm

3 stops49h 48m

$364

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Thu 9/25

6:00 am-12:02 am

3 stops19h 02m

$398

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Fri 9/26

5:50 pm-11:24 pm

1 stop6h 34m

$414

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Tue 9/23

5:55 am-4:00 pm

2 stops11h 05m

$421

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Ottawa to Milwaukee

Have a flexible travel schedule? Discover the best time to fly to Milwaukee from Ottawa with our price prediction graph.
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 Ottawa to Milwaukee

What is the cheapest month to book a flight from Ottawa to Milwaukee?

Currently, February is the cheapest month in which you can book a flight from Ottawa to Milwaukee (average of $280). Flying from Ottawa to Milwaukee in June is currently the most expensive (average of $376). 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.

How much does it cost to fly round-trip from Ottawa to Milwaukee?

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Milwaukee. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ottawa to Milwaukee?

    There are many flights that can get you from Ottawa to Milwaukee in 16h 53m. Fly via United Airlines to get the fastest option. There are 627 mi between Ottawa and Milwaukee.

  • Can I find deals for flights from Ottawa to Milwaukee that include hotel bookings?

    Yes. In addition to deals on Ottawa to Milwaukee flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Milwaukee?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Milwaukee.

  • Can I find deals for business class flights from Ottawa to Milwaukee?

    Yes. Cheapflights offers flight deals from Ottawa to Milwaukee by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ottawa to Milwaukee?

    Currently, February is the cheapest month in which you can book a flight from Ottawa to Milwaukee (average of $280). Flying from Ottawa to Milwaukee in June is currently the most expensive (average of $376). 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.

See more FAQs

Traveling to a place near Milwaukee?

Book flights to Milwaukee if you plan to visit one of these locations
Sheboygan
Oak Creek
New Berlin
Wauwatosa

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