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$303+ Cheap flights from Ottawa (YOW) to Milwaukee (MKE)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — MKE
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Ottawa to Milwaukee

Best flights from Ottawa to Milwaukee
Discover carefully curated flight deals from Ottawa to Milwaukee that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/9. 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.
Thu 1/82:15 pmYOW - MKE
2 stops8h 44mUnited Airlines
Mon 1/125:00 amMKE - YOW
1 stop11h 12mUnited Airlines
Deal found 12/9$303

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$303
(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.
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From Ottawa to Milwaukee-Mitchell
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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 December 12, 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

Thu 1/8

2:15 pm-9:59 pm

2 stops8h 44m

Milwaukee-Mitchell

Mon 1/12

5:00 am-5:12 pm

1 stop11h 12m

$303

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Sat 1/3

9:30 am-7:03 pm

1 stop10h 33m

$375

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Sat 1/3

6:00 am-10:13 pm

2 stops17h 13m

$411

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Ottawa 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 Ottawa to Milwaukee in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ottawa-Milwaukee flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ottawa-Milwaukee flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, September is the cheapest month in which you can book a flight from Ottawa to Milwaukee (average of $131). Flying from Ottawa to Milwaukee in December is currently the most expensive (average of $270). 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 8h 44m. 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, September is the cheapest month in which you can book a flight from Ottawa to Milwaukee (average of $131). Flying from Ottawa to Milwaukee in December is currently the most expensive (average of $270). 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
New Berlin
Oak Creek
Wauwatosa

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