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Cheap flights from Ottawa to Milwaukee from $512

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Milwaukee departing on 9/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ottawa to Milwaukee

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
6:25 am - 10:00 am
YOW
-
MKE
4h 35m
1 stop
Air Canada Logo
8:30 am - 1:59 pm
MKE
-
YOW
4h 29m
1 stop
$512Air Canada
Sat, Sep 5 - Sun, Sep 6
United Airlines Logo
6:00 am - 3:11 pm
YOW
-
MKE
10h 11m
3 stops
United Airlines Logo
8:30 am - 1:59 pm
MKE
-
YOW
4h 29m
1 stop
$520United Airlines
Tue, Sep 8 - Wed, Sep 9
United Airlines Logo
6:00 am - 3:11 pm
YOW
-
MKE
10h 11m
3 stops
United Airlines Logo
8:30 am - 1:59 pm
MKE
-
YOW
4h 29m
1 stop
$521United Airlines
Tue, Sep 8 - Wed, Sep 9
Air Canada Logo
5:20 pm - 10:36 pm
YOW
-
MKE
6h 16m
1 stop
Air Canada Logo
8:30 am - 1:59 pm
MKE
-
YOW
4h 29m
1 stop
$552Air Canada
Sat, Aug 15 - Sat, Aug 22
United Airlines Logo
6:05 am - 12:38 pm
YOW
-
MKE
7h 33m
2 stops
United Airlines Logo
1:19 pm - 11:54 pm
MKE
-
YOW
9h 35m
2 stops
$568United Airlines
Sat, Aug 15 - Sat, Aug 22
Multiple Airlines Logo
6:00 am - 3:47 pm
YOW
-
MKE
10h 47m
3 stops
Multiple Airlines Logo
5:00 am - 3:10 pm
MKE
-
YOW
9h 10m
2 stops
$611Multiple Airlines
Sat, Sep 5 - Sun, Sep 6
American Airlines Logo
7:00 am - 2:12 pm
YOW
-
MKE
8h 12m
2 stops
American Airlines Logo
8:20 am - 8:10 pm
MKE
-
YOW
10h 50m
3 stops
$764American Airlines
Sat, Aug 15 - Sat, Aug 22

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Air Canada flights from Ottawa to Milwaukee

Our best Air Canada deals on Ottawa to Milwaukee flight tickets
Air Canada
Sep 5
YOW6:25 amOttawa
4h 35m
1 stop
MKE10:00 amMilwaukee-Mitchell
Sep 6
MKE8:30 amMilwaukee-Mitchell
4h 29m
1 stop
YOW1:59 pmOttawa
$512
Air Canada
Aug 15
YOW5:20 pmOttawa
6h 16m
1 stop
MKE10:36 pmMilwaukee-Mitchell
Aug 22
MKE8:30 amMilwaukee-Mitchell
4h 29m
1 stop
YOW1:59 pmOttawa
$552
Air Canada
Aug 3
YOW10:44 amOttawa
12h 45m
1 stop
MKE10:29 pmMilwaukee-Mitchell
Aug 8
MKE7:50 amMilwaukee-Mitchell
5h 09m
1 stop
YOW1:59 pmOttawa
$714

American Airlines flights from Ottawa to Milwaukee

Our best American Airlines deals on Ottawa to Milwaukee flight tickets
American Airlines
Aug 3
YOW8:40 amOttawa
14h 41m
2 stops
MKE10:21 pmMilwaukee-Mitchell
Aug 8
MKE6:48 pmMilwaukee-Mitchell
19h 07m
2 stops
YOW2:55 pmOttawa
$706
American Airlines
Aug 15
YOW7:00 amOttawa
8h 12m
2 stops
MKE2:12 pmMilwaukee-Mitchell
Aug 22
MKE8:20 amMilwaukee-Mitchell
10h 50m
3 stops
YOW8:10 pmOttawa
$764
American Airlines
Aug 3
YOW8:40 amOttawa
12h 19m
3 stops
MKE7:59 pmMilwaukee-Mitchell
Aug 8
MKE6:48 pmMilwaukee-Mitchell
19h 07m
2 stops
YOW2:55 pmOttawa
$908

momondo 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, momondo users made 832,500 searches. Data last updated July 26, 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 9/5

6:25 am-10:00 am

1 stop4h 35m

Milwaukee-Mitchell

Sun 9/6

8:30 am-1:59 pm

1 stop4h 29m

$512

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Tue 9/8

6:00 am-3:11 pm

3 stops10h 11m

Milwaukee-Mitchell

Wed 9/9

8:30 am-1:59 pm

1 stop4h 29m

$520

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Tue 9/8

6:00 am-3:11 pm

3 stops10h 11m

Milwaukee-Mitchell

Wed 9/9

8:30 am-1:59 pm

1 stop4h 29m

$521

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Sat 8/15

5:20 pm-10:36 pm

1 stop6h 16m

Milwaukee-Mitchell

Sat 8/22

8:30 am-1:59 pm

1 stop4h 29m

$552

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Sat 8/15

6:05 am-12:38 pm

2 stops7h 33m

Milwaukee-Mitchell

Sat 8/22

1:19 pm-11:54 pm

2 stops9h 35m

$568

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Sat 9/5

6:00 am-3:47 pm

3 stops10h 47m

Milwaukee-Mitchell

Sun 9/6

5:00 am-3:10 pm

2 stops9h 10m

$611

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Sat 8/15

7:00 am-2:12 pm

2 stops8h 12m

Milwaukee-Mitchell

Sat 8/22

8:20 am-8:10 pm

3 stops10h 50m

$764

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Milwaukee from

How to get the cheapest flight ticket from Ottawa to Milwaukee

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Milwaukee?

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Milwaukee from Ottawa according to our data. Air Canada is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Milwaukee. Keep in mind that there are 3 different airlines that fly to Milwaukee on a routine basis, so you have a few additional options to choose from.

When to book flights from Ottawa to Milwaukee

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Milwaukee according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ottawa to Milwaukee (YOW to MKE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Milwaukee

Fastest flight time

5h 06m

Direct flights

None
The fastest flight from Ottawa to Milwaukee takes 5h 06m
There are no direct flights from Ottawa to Milwaukee. There are no popular flight routes from Ottawa to Milwaukee.
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Frequently asked questions about flying from Ottawa to Milwaukee

  • How far is Ottawa to Milwaukee-Mitchell by plane?

    The straight-line distance from Ottawa to Milwaukee-Mitchell is 625.3 mi. By plane, this route typically takes 5h 06m.

  • When did momondo last update prices for flights from Ottawa Airport to Milwaukee-Mitchell Airport?

    Prices for flights from Ottawa Airport to Milwaukee-Mitchell Airport were last updated today.

  • How old do you have to be to fly from Ottawa Airport to Milwaukee-Mitchell Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to Milwaukee-Mitchell Airport.

  • What documentation or ID do you need to fly to Milwaukee-Mitchell Airport?

    The necessary travel and health documents for your Milwaukee-Mitchell Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Milwaukee?

Book flights to Milwaukee if you plan to visit one of these locations
Sheboygan
Waukesha
Wauwatosa
Oak Creek
Mequon
Glendale
West Bend
Port Washington
Pewaukee
Kohler
New Berlin
Grafton

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to Milwaukee?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ottawa to Milwaukee. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ottawa to Milwaukee with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ottawa to Milwaukee flights to just show those with flexible booking policies.

How can momondo help me find flights from Ottawa to Milwaukee?

momondo provides multiple filters to help you find the best flight to Milwaukee from Ottawa. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ottawa to Milwaukee right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Milwaukee, momondo offers a useful price alert feature which will track prices for flights to Milwaukee from Ottawa and alert you when they change.

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