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Cheap flights from Ottawa to Milwaukee from C$ 413

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 18/4. 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
6:52 a.m. - 9:49 a.m.YOW-MKE
3h 57m1 stop
United Airlines Logo
3:00 p.m. - 9:56 p.m.MKE-YOW
5h 56m1 stop
C$ 413United Airlines
Find Deal
Sat, 18 Apr - Sat, 18 Apr
United Airlines Logo
10:35 a.m. - 3:04 p.m.YOW-MKE
5h 29m1 stop
United Airlines Logo
10:45 a.m. - 9:56 p.m.MKE-YOW
10h 11m2 stops
C$ 421United Airlines
Find Deal
Tue, 14 Apr - Sat, 18 Apr
United Airlines Logo
10:30 a.m. - 6:47 p.m.YOW-MKE
9h 17m2 stops
United Airlines Logo
10:45 a.m. - 9:56 p.m.MKE-YOW
10h 11m2 stops
C$ 494United Airlines
Find Deal
Tue, 14 Apr - Sat, 18 Apr
Delta Logo
9:00 a.m. - 6:02 p.m.YOW-MKE
10h 02m2 stops
Delta Logo
9:10 a.m. - 12:39 a.m.MKE-YOW
14h 29m2 stops
C$ 563Delta
Find Deal
Mon, 13 Apr - Wed, 22 Apr
Delta Logo
5:40 a.m. - 6:02 p.m.YOW-MKE
13h 22m2 stops
Delta Logo
9:10 a.m. - 12:39 a.m.MKE-YOW
14h 29m2 stops
C$ 612Delta
Find Deal
Thu, 16 Apr - Wed, 22 Apr
WestJet Logo
9:00 a.m. - 9:05 p.m.YOW-MKE
13h 05m2 stops
WestJet Logo
6:00 a.m. - 12:39 a.m.MKE-YOW
17h 39m2 stops
C$ 1,026WestJet
Find Deal
Mon, 13 Apr - Sat, 18 Apr
WestJet Logo
5:40 a.m. - 12:26 p.m.YOW-MKE
7h 46m2 stops
WestJet Logo
6:25 p.m. - 12:39 a.m.MKE-YOW
29h 14m2 stops
C$ 1,043WestJet
Find Deal
Thu, 16 Apr - Tue, 21 Apr
Air Canada Logo
5:25 p.m. - 10:09 p.m.YOW-MKE
5h 44m1 stop
Air Canada Logo
2:24 p.m. - 9:14 p.m.MKE-YOW
5h 50m1 stop
C$ 1,293Air Canada
Find Deal
Wed, 15 Apr - Mon, 20 Apr
Air Canada Logo
6:15 a.m. - 11:27 a.m.YOW-MKE
6h 12m1 stop
Air Canada Logo
3:48 p.m. - 9:18 p.m.MKE-YOW
4h 30m1 stop
C$ 1,352Air Canada
Find Deal
Fri, 26 Dec - Fri, 26 Dec
Multiple Airlines Logo
9:15 a.m. - 3:13 p.m.YOW-MKE
6h 58m2 stops
Multiple Airlines Logo
5:39 p.m. - 1:32 p.m.MKE-YOW
18h 53m1 stop
C$ 1,526Multiple Airlines
Find Deal
Fri, 26 Dec - Fri, 26 Dec

United Airlines flights from Ottawa to Milwaukee

Our best United Airlines deals on Ottawa to Milwaukee flight tickets
United Airlines
18 Apr
YOW6:52 a.m.Ottawa
3h 57m
1 stop
MKE9:49 a.m.Milwaukee-Mitchell
18 Apr
MKE3:00 p.m.Milwaukee-Mitchell
5h 56m
1 stop
YOW9:56 p.m.Ottawa
C$ 413
Find similar
United Airlines
14 Apr
YOW10:35 a.m.Ottawa
5h 29m
1 stop
MKE3:04 p.m.Milwaukee-Mitchell
18 Apr
MKE10:45 a.m.Milwaukee-Mitchell
10h 11m
2 stops
YOW9:56 p.m.Ottawa
C$ 421
Find similar
United Airlines
14 Apr
YOW10:30 a.m.Ottawa
9h 17m
2 stops
MKE6:47 p.m.Milwaukee-Mitchell
18 Apr
MKE10:45 a.m.Milwaukee-Mitchell
10h 11m
2 stops
YOW9:56 p.m.Ottawa
C$ 494
Find similar

Delta flights from Ottawa to Milwaukee

Our best Delta deals on Ottawa to Milwaukee flight tickets
Delta
13 Apr
YOW9:00 a.m.Ottawa
10h 02m
2 stops
MKE6:02 p.m.Milwaukee-Mitchell
22 Apr
MKE9:10 a.m.Milwaukee-Mitchell
14h 29m
2 stops
YOW12:39 a.m.Ottawa
C$ 563
Find similar
Delta
16 Apr
YOW5:40 a.m.Ottawa
13h 22m
2 stops
MKE6:02 p.m.Milwaukee-Mitchell
22 Apr
MKE9:10 a.m.Milwaukee-Mitchell
14h 29m
2 stops
YOW12:39 a.m.Ottawa
C$ 612
Find similar
Delta
13 Apr
YOW9:00 a.m.Ottawa
10h 02m
2 stops
MKE6:02 p.m.Milwaukee-Mitchell
19 Apr
MKE9:10 a.m.Milwaukee-Mitchell
14h 29m
2 stops
YOW12:39 a.m.Ottawa
C$ 620
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 22 October 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

Sat 18/4

6:52 a.m.-9:49 a.m.

1 stop3h 57m

Milwaukee-Mitchell

Sat 18/4

3:00 p.m.-9:56 p.m.

1 stop5h 56m

C$ 413

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Tue 14/4

10:35 a.m.-3:04 p.m.

1 stop5h 29m

Milwaukee-Mitchell

Sat 18/4

10:45 a.m.-9:56 p.m.

2 stops10h 11m

C$ 421

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Tue 14/4

10:30 a.m.-6:47 p.m.

2 stops9h 17m

Milwaukee-Mitchell

Sat 18/4

10:45 a.m.-9:56 p.m.

2 stops10h 11m

C$ 494

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Mon 13/4

9:00 a.m.-6:02 p.m.

2 stops10h 02m

Milwaukee-Mitchell

Wed 22/4

9:10 a.m.-12:39 a.m.

2 stops14h 29m

C$ 563

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Thu 16/4

5:40 a.m.-6:02 p.m.

2 stops13h 22m

Milwaukee-Mitchell

Wed 22/4

9:10 a.m.-12:39 a.m.

2 stops14h 29m

C$ 612

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Mon 13/4

9:00 a.m.-9:05 p.m.

2 stops13h 05m

Milwaukee-Mitchell

Sat 18/4

6:00 a.m.-12:39 a.m.

2 stops17h 39m

C$ 1,026

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Thu 16/4

5:40 a.m.-12:26 p.m.

2 stops7h 46m

Milwaukee-Mitchell

Tue 21/4

6:25 p.m.-12:39 a.m.

2 stops29h 14m

C$ 1,043

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Wed 15/4

5:25 p.m.-10:09 p.m.

1 stop5h 44m

Milwaukee-Mitchell

Mon 20/4

2:24 p.m.-9:14 p.m.

1 stop5h 50m

C$ 1,293

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Fri 26/12

6:15 a.m.-11:27 a.m.

1 stop6h 12m

Milwaukee-Mitchell

Fri 26/12

3:48 p.m.-9:18 p.m.

1 stop4h 30m

C$ 1,352

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Fri 26/12

9:15 a.m.-3:13 p.m.

2 stops6h 58m

Milwaukee-Mitchell

Fri 26/12

5:39 p.m.-1:32 p.m.

1 stop18h 53m

C$ 1,526

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$ 904. 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$ 1,957. 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$ 1,065. Flights in the afternoon are often more expensive with an average ticket price of C$ 1,957.

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

Direct flights

None
There are no direct flights from Ottawa to Milwaukee. There are no popular flight routes from Ottawa to Milwaukee.
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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 3h 57m.

  • 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$ 682Free CancellationRating
7.4
8,990 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

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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.

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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.

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