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Cheap flights from Ottawa to Milwaukee from C$ 337

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 4/6. 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

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:44 a.m. - 5:53 p.m.
YOW
-
MKE
8h 09m
1 stop
United Airlines Logo
10:38 a.m. - 5:07 p.m.
MKE
-
YOW
5h 29m
1 stop
C$ 593United Airlines
Tue, 2 Jun - Tue, 9 Jun
United Airlines Logo
5:20 p.m. - 8:46 p.m.
YOW
-
MKE
4h 26m
1 stop
United Airlines Logo
1:30 p.m. - 9:35 p.m.
MKE
-
YOW
7h 05m
1 stop
C$ 598United Airlines
Thu, 4 Jun - Thu, 11 Jun
United Airlines Logo
10:44 a.m. - 2:27 p.m.
YOW
-
MKE
4h 43m
1 stop
United Airlines Logo
8:33 a.m. - 9:35 p.m.
MKE
-
YOW
12h 02m
1 stop
C$ 650United Airlines
Sat, 9 May - Wed, 13 May
United Airlines Logo
2:40 p.m. - 10:33 p.m.
YOW
-
MKE
8h 53m
2 stops
United Airlines Logo
6:49 a.m. - 5:11 p.m.
MKE
-
YOW
9h 22m
2 stops
C$ 678United Airlines
Sat, 9 May - Wed, 13 May
Delta Logo
6:55 a.m. - 4:06 p.m.
YOW
-
MKE
10h 11m
2 stops
Delta Logo
12:56 p.m. - 12:20 a.m.
MKE
-
YOW
10h 24m
2 stops
C$ 698Delta
Thu, 4 Jun - Thu, 11 Jun
United Airlines Logo
10:44 a.m. - 5:07 p.m.
YOW
-
MKE
7h 23m
1 stop
United Airlines Logo
8:33 a.m. - 4:38 p.m.
MKE
-
YOW
7h 05m
2 stops
C$ 717United Airlines
Sat, 9 May - Wed, 13 May
United Airlines Logo
10:44 a.m. - 10:33 p.m.
YOW
-
MKE
12h 49m
1 stop
United Airlines Logo
10:20 a.m. - 5:07 p.m.
MKE
-
YOW
5h 47m
1 stop
C$ 718United Airlines
Sat, 9 May - Wed, 13 May
United Airlines Logo
6:25 a.m. - 9:57 a.m.
YOW
-
MKE
4h 32m
1 stop
United Airlines Logo
8:45 p.m. - 1:05 p.m.
MKE
-
YOW
15h 20m
2 stops
C$ 735United Airlines
Thu, 4 Jun - Thu, 11 Jun
Air Canada Logo
3:10 p.m. - 10:33 p.m.
YOW
-
MKE
8h 23m
2 stops
Air Canada Logo
10:20 a.m. - 9:16 p.m.
MKE
-
YOW
9h 56m
2 stops
C$ 744Air Canada
Sat, 9 May - Wed, 13 May
Delta Logo
6:55 a.m. - 4:12 p.m.
YOW
-
MKE
10h 17m
2 stops
Delta Logo
2:55 p.m. - 12:20 a.m.
MKE
-
YOW
8h 25m
2 stops
C$ 768Delta
Sat, 9 May - Wed, 13 May

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Air Canada flights from Ottawa to Milwaukee

Our best Air Canada deals on Ottawa to Milwaukee flight tickets
Air Canada
9 May
YOW2:40 p.m.Ottawa
7h 13m
2 stops
MKE8:53 p.m.Milwaukee-Mitchell
13 May
MKE10:20 a.m.Milwaukee-Mitchell
9h 56m
2 stops
YOW9:16 p.m.Ottawa
C$ 678
Air Canada
9 May
YOW3:10 p.m.Ottawa
8h 23m
2 stops
MKE10:33 p.m.Milwaukee-Mitchell
13 May
MKE10:20 a.m.Milwaukee-Mitchell
9h 56m
2 stops
YOW9:16 p.m.Ottawa
C$ 744

Delta flights from Ottawa to Milwaukee

Our best Delta deals on Ottawa to Milwaukee flight tickets
Delta
4 Jun
YOW6:55 a.m.Ottawa
10h 11m
2 stops
MKE4:06 p.m.Milwaukee-Mitchell
11 Jun
MKE12:56 p.m.Milwaukee-Mitchell
10h 24m
2 stops
YOW12:20 a.m.Ottawa
C$ 698
Delta
9 May
YOW6:55 a.m.Ottawa
10h 17m
2 stops
MKE4:12 p.m.Milwaukee-Mitchell
13 May
MKE2:55 p.m.Milwaukee-Mitchell
8h 25m
2 stops
YOW12:20 a.m.Ottawa
C$ 768

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 23 April 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

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Tue 2/6

10:44 a.m.-5:53 p.m.

1 stop8h 09m

Milwaukee-Mitchell

Tue 9/6

10:38 a.m.-5:07 p.m.

1 stop5h 29m

C$ 593
Quickest round-trip

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Thu 4/6

5:20 p.m.-8:46 p.m.

1 stop4h 26m

Milwaukee-Mitchell

Thu 11/6

1:30 p.m.-9:35 p.m.

1 stop7h 05m

C$ 598

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Sat 9/5

10:44 a.m.-2:27 p.m.

1 stop4h 43m

Milwaukee-Mitchell

Wed 13/5

8:33 a.m.-9:35 p.m.

1 stop12h 02m

C$ 650

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Sat 9/5

2:40 p.m.-10:33 p.m.

2 stops8h 53m

Milwaukee-Mitchell

Wed 13/5

6:49 a.m.-5:11 p.m.

2 stops9h 22m

C$ 678

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Thu 4/6

6:55 a.m.-4:06 p.m.

2 stops10h 11m

Milwaukee-Mitchell

Thu 11/6

12:56 p.m.-12:20 a.m.

2 stops10h 24m

C$ 698

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Sat 9/5

10:44 a.m.-5:07 p.m.

1 stop7h 23m

Milwaukee-Mitchell

Wed 13/5

8:33 a.m.-4:38 p.m.

2 stops7h 05m

C$ 717

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Sat 9/5

10:44 a.m.-10:33 p.m.

1 stop12h 49m

Milwaukee-Mitchell

Wed 13/5

10:20 a.m.-5:07 p.m.

1 stop5h 47m

C$ 718

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Thu 4/6

6:25 a.m.-9:57 a.m.

1 stop4h 32m

Milwaukee-Mitchell

Thu 11/6

8:45 p.m.-1:05 p.m.

2 stops15h 20m

C$ 735

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Sat 9/5

3:10 p.m.-10:33 p.m.

2 stops8h 23m

Milwaukee-Mitchell

Wed 13/5

10:20 a.m.-9:16 p.m.

2 stops9h 56m

C$ 744

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Sat 9/5

6:55 a.m.-4:12 p.m.

2 stops10h 17m

Milwaukee-Mitchell

Wed 13/5

2:55 p.m.-12:20 a.m.

2 stops8h 25m

C$ 768

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 airline that flies from Ottawa to Milwaukee-Mitchell?

United Airlines, Delta, and Air Canada are the most popular carriers operating from Ottawa to Milwaukee-Mitchell

Which airlines fly to Milwaukee?

Air Canada, United Airlines and Porter 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 58% of people opting to fly with this airline when travelling to Milwaukee. Keep in mind that there are 4 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

4h 26m

Direct flights

None
The fastest flight from Ottawa to Milwaukee takes 4h 26m
There are no direct flights from Ottawa to Milwaukee. There are no popular flight routes from Ottawa to Milwaukee.
Search flight deals

Frequently asked questions about flying from Ottawa to Milwaukee

  • 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 4h 26m.

  • 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$ 472Free CancellationRating
7.4
9,637 reviews
Search United Airlines flights

Travelling to a place near Milwaukee?

Book flights to Milwaukee if you plan to visit one of these locations
Waukesha

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?

Yes. momondo can track prices for Ottawa to Milwaukee flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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