HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Milwaukee

$230+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — MKE
Apr 16 — Apr 231
Thu 4/16
Thu 4/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ottawa to Milwaukee with Cheapflights

1. Tell us where you want to go

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 March 17, 2026.

This United Airlines deal was found by Cheapflights users on 3/12. 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 5/410:44 am
YOW
-
MKE
1 stop14h 15m
United Airlines
Tue 5/56:49 am
MKE
-
YOW
2 stops8h 49m
United Airlines
Deal found 3/12$344
This Air Canada deal was found by Cheapflights users on 3/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/45:25 pm
YOW
-
MKE
1 stop6h 08m
Air Canada
Tue 5/55:55 am
MKE
-
YOW
2 stops7h 27m
Air Canada
Deal found 3/14$403
This United Airlines deal was found by Cheapflights users on 3/13. 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 3/215:11 pm
YOW
-
MKE
1 stop5h 39m
United Airlines
Sat 4/46:50 am
MKE
-
YOW
1 stop9h 17m
United Airlines
Deal found 3/13$406
This United Airlines deal was found by Cheapflights users on 3/15. 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.
Sun 4/1210:44 am
YOW
-
MKE
1 stop13h 59m
United Airlines
Sun 4/195:10 am
MKE
-
YOW
2 stops8h 17m
United Airlines
Deal found 3/15$411

Find 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 March 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$357
(United Airlines)

One-way from

$230
(United Airlines)
Provider with most accurate pricing for Ottawa-Milwaukee-Mitchell flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ottawa-Milwaukee-Mitchell flights.
Search Deals
From Ottawa to Milwaukee-Mitchell
Search Deals
One-way flight from Ottawa to Milwaukee-Mitchell
Search Deals

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 March 17, 2026.
Use the filters below to find and compare flights from Ottawa to Milwaukee that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Mon 5/4

10:44 am-11:59 pm

1 stop14h 15m

Milwaukee-Mitchell

Tue 5/5

6:49 am-4:38 pm

2 stops8h 49m

$344

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Sun 4/12

10:44 am-9:49 pm

1 stop12h 05m

Milwaukee-Mitchell

Sun 4/19

6:50 am-5:07 pm

1 stop9h 17m

$357
Quickest round-trip

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Wed 4/29

6:00 am-1:47 pm

2 stops8h 47m

Milwaukee-Mitchell

Wed 5/6

6:00 am-2:17 pm

2 stops7h 17m

$411

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Mon 4/6

10:44 am-9:49 pm

1 stop12h 05m

Milwaukee-Mitchell

Wed 4/8

6:50 am-9:35 pm

1 stop13h 45m

$461
Cheapest one-way
Quickest one-way

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Tue 8/11

6:00 pm-11:36 pm

1 stop6h 36m

$230

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Mon 7/13

7:30 pm-11:08 am

2 stops16h 38m

$230

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Tue 8/11

6:25 pm-5:05 pm

3 stops23h 40m

$460

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/16

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Ottawa-Milwaukee flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ottawa-Milwaukee flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ottawa-Milwaukee flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ottawa-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 Ottawa-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 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 $131). Flying from Ottawa to Milwaukee in March is currently the most expensive (average of $241). 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.

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 14h 15m. 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 $131). Flying from Ottawa to Milwaukee in March is currently the most expensive (average of $241). 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
Port Washington
New Berlin
Oak Creek
Wauwatosa

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.