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$247+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — MKE
May 28 — Jun 41
Thu 5/28
Thu 6/4
1 adult, Economy
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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 April 28, 2026.

This United Airlines deal was found by Cheapflights users on 4/23. 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 5/2310:44 am
YOW
-
MKE
1 stop10h 07m
United Airlines
Wed 5/276:20 am
MKE
-
YOW
1 stop9h 47m
United Airlines
Deal found 4/23$433
This United Airlines deal was found by Cheapflights users on 4/23. 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 6/76:25 am
YOW
-
MKE
1 stop4h 32m
United Airlines
Sun 6/146:05 am
MKE
-
YOW
1 stop6h 54m
United Airlines
Deal found 4/23$440
This United Airlines deal was found by Cheapflights users on 4/27. 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 8/156:00 pm
YOW
-
MKE
1 stop6h 36m
United Airlines
Sun 8/167:30 am
MKE
-
YOW
1 stop5h 29m
United Airlines
Deal found 4/27$477
This Air Canada deal was found by Cheapflights users on 4/24. 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.
Sat 5/236:00 am
YOW
-
MKE
2 stops7h 47m
Air Canada
Wed 5/277:30 am
MKE
-
YOW
2 stops6h 41m
Air Canada
Deal found 4/24$499
This Delta deal was found by Cheapflights users on 4/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/76:55 am
YOW
-
MKE
2 stops12h 14m
Delta
Sun 6/149:37 am
MKE
-
YOW
2 stops13h 43m
Delta
Deal found 4/23$613
This United Airlines deal was found by Cheapflights users on 4/26. 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.
Fri 5/16:25 am
YOW
-
MKE
1 stop11h 17m
United Airlines
Mon 5/46:41 pm
MKE
-
YOW
1 stop13h 30m
United Airlines
Deal found 4/26$738
This American Airlines deal was found by Cheapflights users on 4/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:00 am
YOW
-
MKE
3 stops12h 16m
American Airlines
Sun 8/166:46 pm
MKE
-
YOW
2 stops19h 09m
American Airlines
Deal found 4/27$858

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 April 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$433
(United Airlines)

One-way from

$247
(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 April 28, 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
Quickest round-trip

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Sat 5/23

2:52 pm-8:56 pm

2 stops7h 04m

Milwaukee-Mitchell

Wed 5/27

8:35 am-1:59 pm

1 stop4h 24m

$433
Cheapest one-way
Quickest one-way

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Wed 6/10

6:25 am-9:57 am

1 stop4h 32m

$247

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Fri 6/12

6:25 am-7:51 pm

1 stop14h 26m

$247

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Fri 8/21

6:25 am-7:51 pm

1 stop14h 26m

$247

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Wed 6/10

11:00 am-7:58 am

3 stops21h 58m

$359

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Fri 6/12

8:50 pm-7:58 am

3 stops36h 08m

$426

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Fri 8/21

2:20 pm-7:58 am

3 stops42h 38m

$439

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/26

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.

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 7h 04m. 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.

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

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