£297 Cheap Flights from Ottawa (YOW) to Milwaukee (MKE)

View £297 flight on Thu, 20 Aug 2026Opens 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 (YOW) to Milwaukee (MKE)

Prices were available within the past 7 days and start at £297 for one-way flights and £512 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, 20 Aug - Mon, 24 Aug
YOW
Ottawa
MKE
Milwaukee
£512 Return, found 19 hours ago
£512
Return
found 19 hours ago
Select Air Canada flight, departing Thu, 20 Aug from Ottawa to Milwaukee, returning Mon, 24 Aug, priced at £512 found 19 hours ago
Air Canada
Thu, 20 Aug - Mon, 24 Aug
YOW
Ottawa
MKE
Milwaukee
£518 Return, found 19 hours ago
£518
Return
found 19 hours ago
Select Air Canada flight, departing Thu, 20 Aug from Ottawa to Milwaukee, returning Mon, 24 Aug, priced at £518 found 19 hours ago
Air Canada
Thu, 20 Aug - Mon, 24 Aug
YOW
Ottawa
MKE
Milwaukee
£524 Return, found 19 hours ago
£524
Return
found 19 hours ago
Select Air Canada flight, departing Thu, 20 Aug from Ottawa to Milwaukee, returning Mon, 24 Aug, priced at £524 found 19 hours ago
Air Canada
Thu, 20 Aug - Mon, 24 Aug
YOW
Ottawa
MKE
Milwaukee
£526 Return, found 19 hours ago
£526
Return
found 19 hours ago
Select Air Canada flight, departing Thu, 20 Aug from Ottawa to Milwaukee, returning Mon, 24 Aug, priced at £526 found 19 hours ago
Air Canada
Thu, 20 Aug - Mon, 24 Aug
YOW
Ottawa
MKE
Milwaukee
£529 Return, found 19 hours ago
£529
Return
found 19 hours ago
Select Air Canada flight, departing Thu, 20 Aug from Ottawa to Milwaukee, returning Mon, 24 Aug, priced at £529 found 19 hours ago
Air Canada
Thu, 20 Aug - Mon, 24 Aug
YOW
Ottawa
MKE
Milwaukee
£532 Return, found 19 hours ago
£532
Return
found 19 hours ago
Select Air Canada flight, departing Thu, 20 Aug from Ottawa to Milwaukee, returning Mon, 24 Aug, priced at £532 found 19 hours ago
Air Canada
Thu, 20 Aug - Mon, 24 Aug
YOW
Ottawa
MKE
Milwaukee
£535 Return, found 19 hours ago
£535
Return
found 19 hours ago
Select Air Canada flight, departing Thu, 20 Aug from Ottawa to Milwaukee, returning Mon, 24 Aug, priced at £535 found 19 hours ago
Air Canada
Thu, 20 Aug - Mon, 24 Aug
YOW
Ottawa
MKE
Milwaukee
£536 Return, found 19 hours ago
£536
Return
found 19 hours ago
Select Air Canada flight, departing Thu, 20 Aug from Ottawa to Milwaukee, returning Mon, 24 Aug, priced at £536 found 19 hours ago
Air Canada
Thu, 20 Aug - Mon, 24 Aug
YOW
Ottawa
MKE
Milwaukee
£538 Return, found 19 hours ago
£538
Return
found 19 hours ago
Select Air Canada flight, departing Thu, 20 Aug from Ottawa to Milwaukee, returning Mon, 24 Aug, priced at £538 found 19 hours ago
WestJet
Thu, 20 Aug - Mon, 24 Aug
YOW
Ottawa
MKE
Milwaukee
£709 Return, found 19 hours ago
£709
Return
found 19 hours ago
Select WestJet flight, departing Thu, 20 Aug from Ottawa to Milwaukee, returning Mon, 24 Aug, priced at £709 found 19 hours ago

Frequently asked questions

How much does a flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) cost?
One-way flights typically cost between £335 and £1,092 and return flights often range between £660 and £1,978. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
How do I find cheap flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
To find a cheap flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
There are approximately 19 connecting flights per day from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.). Some common connection points include Pearson Intl. (YYZ), O'Hare Intl. (ORD), and Pierre Elliott Trudeau Intl. (YUL).
What is the earliest flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
The earliest flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) typically departs at approximately 5:00 AM local time, operated by Air Canada and Delta. This is a seasonal service active in February. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
You'll find the most flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) on a Wednesday, with around 26 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Air Canada, United Airlines, and Porter Airlines. Flight schedules are consistent throughout the week.
What are the most popular departure times for flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
The most popular departure times for flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) are in the early morning, from 6am to 9am. About 37% of passengers prefer this time window. Many major carriers, including United Airlines, Air Canada and Porter Airlines, offer flights during this window. These times work well because you can get an early start to your travel day and arrive at your destination with plenty of time.
How long does it take to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
A flight from YOW to MKE with a layover takes around 4 hours 30 minutes, with the route covering approximately 628 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
Select the "Business class" and "First class" filters when looking for YOW to MKE flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) flight with Expedia?
It's easy to earn miles on a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Milwaukee from Macdonald-Cartier Intl. (YOW)?
From Macdonald-Cartier Intl. (YOW), you can fly directly into General Mitchell Intl. (MKE) to reach Milwaukee. Some flights may connect through major hubs like Pearson Intl. (YYZ), Pierre Elliott Trudeau Intl. (YUL), Ronald Reagan Washington National (DCA) before reaching Milwaukee. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) at the last minute?
Typically, booking a last minute flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) flight and hotel package?
Securing a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
If you booked your Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Macdonald-Cartier Intl.
Destination airport
General Mitchell Intl.
Airlines serving
Air Canada, WestJet
Return price
£511
Distance
1004 km

Book with confidence

Compare flights from Ottawa to Milwaukee easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Ottawa to Milwaukee. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to General Mitchell Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Macdonald-Cartier Intl. to General Mitchell Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Macdonald-Cartier Intl. (YOW) to General Mitchell Intl. (MKE)

The easiest way to view the best deals on flights from Ottawa to Milwaukee today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Macdonald-Cartier Intl. to General Mitchell Intl. start at just £512 and range up to £709.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Ottawa and Milwaukee
  • booking your flight during August, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Ottawa to Milwaukee flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Macdonald-Cartier Intl. to General Mitchell Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Ottawa to Milwaukee easily and book with confidence

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*Available to Expedia members.