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Cheap flights from Ottawa to Milwaukee from C$ 420

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Milwaukee departing on 29/9. 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

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Find the cheapest flights from Ottawa to Milwaukee (YOW-MKE)

Cheap round-trip flights

United Airlines Logo
6:33 a.m. - 11:26 a.m.YOW-MKE
5h 53m1 stop
United Airlines Logo
6:00 a.m. - 2:13 p.m.MKE-YOW
7h 13m2 stops
C$ 798United Airlines
Find Deal
Mon, 29 Sep - Mon, 6 Oct
United Airlines Logo
10:25 a.m. - 5:06 p.m.YOW-MKE
7h 41m2 stops
United Airlines Logo
6:00 a.m. - 2:13 p.m.MKE-YOW
7h 13m2 stops
C$ 908United Airlines
Find Deal
Mon, 29 Sep - Mon, 6 Oct
Logo
7:15 p.m. - 9:40 p.m.YOW-MKE
27h 25m3 stops
Logo
7:32 p.m. - 12:22 a.m.MKE-YOW
27h 50m3 stops
C$ 1,102
Find Deal
Mon, 29 Sep - Mon, 6 Oct
Logo
7:15 p.m. - 9:40 p.m.YOW-MKE
27h 25m3 stops
Logo
7:32 p.m. - 5:20 p.m.MKE-YOW
20h 48m2 stops
C$ 1,113
Find Deal
Mon, 29 Sep - Mon, 6 Oct

United Airlines flights from Ottawa to Milwaukee

Our best United Airlines deals on Ottawa to Milwaukee flight tickets
United Airlines
29 Sep
YOW6:33 a.m.Ottawa
5h 53m
1 stop
MKE11:26 a.m.Milwaukee-Mitchell
6 Oct
MKE6:00 a.m.Milwaukee-Mitchell
7h 13m
2 stops
YOW2:13 p.m.Ottawa
C$ 798
Find similar
United Airlines
29 Sep
YOW10:25 a.m.Ottawa
7h 41m
2 stops
MKE5:06 p.m.Milwaukee-Mitchell
6 Oct
MKE6:00 a.m.Milwaukee-Mitchell
7h 13m
2 stops
YOW2:13 p.m.Ottawa
C$ 908
Find similar

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 96,600 searches. Data last updated 15 August 2025.
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

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Mon 29/9

6:33 a.m.-11:26 a.m.

1 stop5h 53m

Milwaukee-Mitchell

Mon 6/10

6:00 a.m.-2:13 p.m.

2 stops7h 13m

C$ 798

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Mon 29/9

10:25 a.m.-5:06 p.m.

2 stops7h 41m

Milwaukee-Mitchell

Mon 6/10

6:00 a.m.-2:13 p.m.

2 stops7h 13m

C$ 908

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Mon 29/9

7:15 p.m.-9:40 p.m.

3 stops27h 25m

Milwaukee-Mitchell

Mon 6/10

7:32 p.m.-12:22 a.m.

3 stops27h 50m

C$ 1,102

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Mon 29/9

7:15 p.m.-9:40 p.m.

3 stops27h 25m

Milwaukee-Mitchell

Mon 6/10

7:32 p.m.-5:20 p.m.

2 stops20h 48m

C$ 1,113

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Mon 29/9

7:50 a.m.-12:02 a.m.

3 stops41h 12m

C$ 420

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Mon 29/9

5:25 p.m.-9:56 p.m.

1 stop5h 31m

C$ 436

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 is the cheapest day to depart on your flight to Milwaukee?

According to our data, Wednesday is the cheapest day to fly to Milwaukee from Ottawa. The lowest ticket price found for a Wednesday departure recently was C$ 889. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Ottawa to Milwaukee on a Friday will generally be more expensive and average around C$ 1,924. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Milwaukee?

Our most recent data shows that the best time of day to fly to Milwaukee is in the morning. Flights from Ottawa to Milwaukee during this time can be as low as C$ 1,047. Flights in the afternoon are often more expensive with an average ticket price of C$ 1,924.

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

Best price found

C$ 420

Fastest flight time

5h 31m

Direct flights

None

Airports in Milwaukee

1 airport
The best one-way flight to Milwaukee from Ottawa in the past 72 hours is C$ 420. The best round-trip flight deal from Ottawa to Milwaukee found on momondo in the last 72 hours is C$ 798.
The fastest flight from Ottawa to Milwaukee takes 5h 31m
There are no direct flights from Ottawa to Milwaukee. Popular non-direct route for this connection is Ottawa Airport - Milwaukee-Mitchell Airport.
There is 1 airport near Milwaukee: Milwaukee-Mitchell (MKE)
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  • How far is Ottawa to Milwaukee-Mitchell by plane?

    A flight from Ottawa to Milwaukee-Mitchell will travel around 1006.3 km. In terms of flight time, this usually takes a little over 5h 53m.

  • 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 many operators does momondo search for flights from Ottawa Airport to Milwaukee-Mitchell Airport?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ottawa Airport to Milwaukee-Mitchell Airport.

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

    The travel and health documents you'll need for your trip to Milwaukee-Mitchell Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Milwaukee-Mitchell Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Ottawa to Milwaukee?

Best airlines flying from Ottawa to Milwaukee

Compare and see reviews for airlines that fly from Ottawa to Milwaukee with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom C$ 692Free CancellationRating
7.4
8,915 reviews
Search United Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ottawa to Milwaukee for you.

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

All flight searches from Ottawa to Milwaukee on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ottawa to Milwaukee.

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

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