$307 Cheap Flights from Ottawa (YOW) to Milwaukee (MKE)

View $307 flight on Fri, Oct 31, 2025Opens in a new window

Popular airlines from Ottawa International Airport (YOW) to General Mitchell Intl. Airport (MKE)

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Cheap Flights from Ottawa to Milwaukee (YOW-MKE)

Prices were available within the past 7 days and start at $307 for one-way flights and $579 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Aug 26 - Tue, Sep 9
YOW
Ottawa
MKE
Milwaukee
$579 Roundtrip, found 5 days ago
$579
Roundtrip
found 5 days ago
Select United flight, departing Tue, Aug 26 from Ottawa to Milwaukee, returning Tue, Sep 9, priced at $579 found 5 days ago
United
Sat, Aug 30 - Tue, Sep 9
YOW
Ottawa
MKE
Milwaukee
$588 Roundtrip, found 5 days ago
$588
Roundtrip
found 5 days ago
Select United flight, departing Sat, Aug 30 from Ottawa to Milwaukee, returning Tue, Sep 9, priced at $588 found 5 days ago
United
Tue, Aug 19 - Tue, Sep 2
YOW
Ottawa
MKE
Milwaukee
$590 Roundtrip, found 5 days ago
$590
Roundtrip
found 5 days ago
Select United flight, departing Tue, Aug 19 from Ottawa to Milwaukee, returning Tue, Sep 2, priced at $590 found 5 days ago
United
Fri, Aug 22 - Tue, Sep 2
YOW
Ottawa
MKE
Milwaukee
$599 Roundtrip, found 5 days ago
$599
Roundtrip
found 5 days ago
Select United flight, departing Fri, Aug 22 from Ottawa to Milwaukee, returning Tue, Sep 2, priced at $599 found 5 days ago
United
Sat, Aug 16 - Sat, Aug 30
YOW
Ottawa
MKE
Milwaukee
$607 Roundtrip, found 5 days ago
$607
Roundtrip
found 5 days ago
Select United flight, departing Sat, Aug 16 from Ottawa to Milwaukee, returning Sat, Aug 30, priced at $607 found 5 days ago
United
Wed, Jul 30 - Wed, Aug 13
YOW
Ottawa
MKE
Milwaukee
$608 Roundtrip, found 5 days ago
$608
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jul 30 from Ottawa to Milwaukee, returning Wed, Aug 13, priced at $608 found 5 days ago
United
Wed, Jul 30 - Tue, Aug 12
YOW
Ottawa
MKE
Milwaukee
$625 Roundtrip, found 5 days ago
$625
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jul 30 from Ottawa to Milwaukee, returning Tue, Aug 12, priced at $625 found 5 days ago
United
Wed, Aug 13 - Mon, Aug 18
YOW
Ottawa
MKE
Milwaukee
$627 Roundtrip, found 5 days ago
$627
Roundtrip
found 5 days ago
Select United flight, departing Wed, Aug 13 from Ottawa to Milwaukee, returning Mon, Aug 18, priced at $627 found 5 days ago
United
Thu, Aug 14 - Mon, Aug 18
YOW
Ottawa
MKE
Milwaukee
$636 Roundtrip, found 5 days ago
$636
Roundtrip
found 5 days ago
Select United flight, departing Thu, Aug 14 from Ottawa to Milwaukee, returning Mon, Aug 18, priced at $636 found 5 days ago
WestJet
Wed, Sep 17 - Tue, Sep 23
YOW
Ottawa
MKE
Milwaukee
$790 Roundtrip, found 1 day ago
$790
Roundtrip
found 1 day ago
Select WestJet flight, departing Wed, Sep 17 from Ottawa to Milwaukee, returning Tue, Sep 23, priced at $790 found 1 day ago

Find the cheapest month to fly from Ottawa (YOW) to Milwaukee (MKE)

January is typically the cheapest month to fly

From $449 - $904 per traveler.

Graph displaying average flight prices per month

Alternative airports near Milwaukee

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to General Mitchell Intl. MKE. Cheapest and Closest option available. Average driving time to city center is 13 minutes. Flights from $1,019
MKE
General Mitchell Intl.
CheapestClosest
Average driving time to city center13 min
Flights from $1,019
Flights from Ottawa (YOW) to Milwaukee (MKE)
Origin airport
Macdonald-Cartier Intl.
Destination airport
General Mitchell Intl.
Airlines serving
WestJet
Roundtrip price
$578
Distance
627 mi

Ottawa to Milwaukee Flights

The cheapest times to fly from Ottawa to Milwaukee

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ottawa to Milwaukee are during the month of August. You can find some of the cheapest flights from Ottawa to Milwaukee with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ottawa to Milwaukee

Sunday is one of the best days to book for cheap flights from Ottawa to Milwaukee: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Ottawa to Milwaukee

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ottawa to Milwaukee in 2025. You can also book with separate airlines for your outbound and return journeys, from $307 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ottawa to Milwaukee flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Ottawa to Milwaukee airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Macdonald-Cartier Intl. Airport (YOW) to General Mitchell Intl. Airport (MKE) cost?
Discover the latest flight deals from YOW to MKE by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from YOW to MKE?
The cheapest flights from YOW to MKE are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from YOW to MKE?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from YOW to MKE. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Macdonald-Cartier Intl. Airport (YOW) to General Mitchell Intl. Airport (MKE)?
Direct flights from Macdonald-Cartier Intl. Airport (YOW) to General Mitchell Intl. Airport (MKE) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from YOW to MKE?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Macdonald-Cartier Intl. Airport (YOW) to General Mitchell Intl. Airport (MKE)?
Choose a flight from Macdonald-Cartier Intl. Airport (YOW) to General Mitchell Intl. Airport (MKE) that leaves before 3 PM to reduce the likelihood of delays. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Macdonald-Cartier Intl. Airport (YOW) to General Mitchell Intl. Airport (MKE) last-minute?
Waiting until just before your trip to book your flight from YOW to MKE generally means paying more. While you might find some last-minute offers, they aren't always guaranteed. Be flexible with your itinerary to maximize your chances of getting a bargain.
Is it cheaper to book a YOW to MKE flight and hotel package?
Compared with arranging flights and hotels separately, booking a YOW to MKE flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place will take the stress out of planning your trip. Just secure your flights and choose from our extensive range of stays, then personalize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Macdonald-Cartier Intl. Airport (YOW) to General Mitchell Intl. Airport (MKE)?
You can usually cancel or reschedule your YOW to MKE flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.