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Cheap flights from Ontario to Milwaukee from C$ 303

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Milwaukee departing on 13/5. 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

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Find the cheapest flights from Ontario to Milwaukee

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:20 a.m. - 10:30 a.m.
YOW
-
MKE
5h 10m
1 stop
United Airlines Logo
6:00 a.m. - 9:18 p.m.
MKE
-
YOW
14h 18m
1 stop
C$ 436United Airlines
Thu, 26 Feb - Mon, 2 Mar
United Airlines Logo
6:00 a.m. - 3:20 p.m.
YOW
-
MKE
10h 20m
2 stops
United Airlines Logo
9:44 a.m. - 6:55 p.m.
MKE
-
YOW
8h 11m
2 stops
C$ 437United Airlines
Thu, 26 Feb - Mon, 2 Mar
Multiple Airlines Logo
8:20 p.m. - 7:26 p.m.
YYZ
-
MKE
24h 06m
1 stop
Multiple Airlines Logo
9:01 p.m. - 12:29 a.m.
MKE
-
YYZ
26h 28m
1 stop
C$ 507Multiple Airlines
Sun, 1 Mar - Sun, 8 Mar
American Airlines Logo
4:44 p.m. - 7:47 a.m.
YYZ
-
MKE
16h 03m
1 stop
American Airlines Logo
6:00 a.m. - 9:29 p.m.
MKE
-
YYZ
14h 29m
1 stop
C$ 530American Airlines
Fri, 27 Feb - Sun, 1 Mar
American Airlines Logo
4:44 p.m. - 7:49 a.m.
YYZ
-
MKE
16h 05m
1 stop
American Airlines Logo
5:00 a.m. - 4:03 p.m.
MKE
-
YYZ
10h 03m
1 stop
C$ 552American Airlines
Thu, 5 Mar - Thu, 12 Mar
Multiple Airlines Logo
7:45 a.m. - 2:51 p.m.
YYZ
-
MKE
32h 06m
2 stops
Multiple Airlines Logo
8:11 p.m. - 2:20 p.m.
MKE
-
YYZ
17h 09m
1 stop
C$ 579Multiple Airlines
Thu, 26 Feb - Mon, 2 Mar
Alaska Airlines Logo
4:45 p.m. - 2:51 p.m.
YYZ
-
MKE
23h 06m
1 stop
Alaska Airlines Logo
3:47 p.m. - 3:35 p.m.
MKE
-
YYZ
22h 48m
1 stop
C$ 611Alaska Airlines
Tue, 24 Feb - Fri, 27 Feb
Alaska Airlines Logo
4:45 p.m. - 2:51 p.m.
YYZ
-
MKE
23h 06m
1 stop
Alaska Airlines Logo
3:47 p.m. - 3:35 p.m.
MKE
-
YYZ
22h 48m
1 stop
C$ 624Alaska Airlines
Thu, 26 Feb - Mon, 2 Mar
WestJet Logo
7:00 a.m. - 9:22 p.m.
YUL
-
MKE
15h 22m
1 stop
WestJet Logo
12:00 p.m. - 11:34 p.m.
MKE
-
YUL
10h 34m
1 stop
C$ 654WestJet
Sat, 20 Jun - Wed, 24 Jun
WestJet Logo
7:00 a.m. - 2:11 p.m.
YUL
-
MKE
8h 11m
1 stop
WestJet Logo
9:20 a.m. - 6:25 p.m.
MKE
-
YUL
8h 05m
2 stops
C$ 664WestJet
Sat, 20 Jun - Wed, 24 Jun

WestJet flights from Region of Ontario to Milwaukee

Our best WestJet deals on Region of Ontario to Milwaukee flight tickets
WestJet
15 Mar
YYZ6:20 a.m.Toronto Pearson Intl
7h 10m
1 stop
MKE12:30 p.m.Milwaukee-Mitchell
23 Mar
MKE6:45 a.m.Milwaukee-Mitchell
7h 23m
1 stop
YYZ3:08 p.m.Toronto Pearson Intl
C$ 686
WestJet
23 Feb
YYZ10:05 a.m.Toronto Pearson Intl
3h 29m
1 stop
MKE12:34 p.m.Milwaukee-Mitchell
1 Mar
MKE5:03 p.m.Milwaukee-Mitchell
4h 37m
1 stop
YYZ10:40 p.m.Toronto Pearson Intl
C$ 751

United Airlines flights from Region of Ontario to Milwaukee

Our best United Airlines deals on Region of Ontario to Milwaukee flight tickets
United Airlines
26 Feb
YOW6:00 a.m.Ottawa
10h 20m
2 stops
MKE3:20 p.m.Milwaukee-Mitchell
2 Mar
MKE1:25 p.m.Milwaukee-Mitchell
6h 53m
1 stop
YOW9:18 p.m.Ottawa
C$ 436
United Airlines
26 Feb
YOW5:11 p.m.Ottawa
5h 33m
1 stop
MKE9:44 p.m.Milwaukee-Mitchell
2 Mar
MKE1:25 p.m.Milwaukee-Mitchell
6h 53m
1 stop
YOW9:18 p.m.Ottawa
C$ 437
United Airlines
2 Mar
YOW5:11 p.m.Ottawa
6h 17m
1 stop
MKE10:28 p.m.Milwaukee-Mitchell
9 Mar
MKE7:18 p.m.Milwaukee-Mitchell
18h 12m
2 stops
YOW2:30 p.m.Ottawa
C$ 511

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario 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 4 February 2026.
Use the filters below to find and compare flights from Ontario to Milwaukee that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Thu 26/2

6:20 a.m.-10:30 a.m.

1 stop5h 10m

Milwaukee-Mitchell

Mon 2/3

6:00 a.m.-9:18 p.m.

1 stop14h 18m

C$ 436

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Thu 26/2

6:00 a.m.-3:20 p.m.

2 stops10h 20m

Milwaukee-Mitchell

Mon 2/3

9:44 a.m.-6:55 p.m.

2 stops8h 11m

C$ 437

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Sun 1/3

8:20 p.m.-7:26 p.m.

1 stop24h 06m

Milwaukee-Mitchell

Sun 8/3

9:01 p.m.-12:29 a.m.

1 stop26h 28m

C$ 507

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Fri 27/2

4:44 p.m.-7:47 a.m.

1 stop16h 03m

Milwaukee-Mitchell

Sun 1/3

6:00 a.m.-9:29 p.m.

1 stop14h 29m

C$ 530

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Thu 5/3

4:44 p.m.-7:49 a.m.

1 stop16h 05m

Milwaukee-Mitchell

Thu 12/3

5:00 a.m.-4:03 p.m.

1 stop10h 03m

C$ 552

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Thu 26/2

7:45 a.m.-2:51 p.m.

2 stops32h 06m

Milwaukee-Mitchell

Mon 2/3

8:11 p.m.-2:20 p.m.

1 stop17h 09m

C$ 579

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Tue 24/2

4:45 p.m.-2:51 p.m.

1 stop23h 06m

Milwaukee-Mitchell

Fri 27/2

3:47 p.m.-3:35 p.m.

1 stop22h 48m

C$ 611

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Thu 26/2

4:45 p.m.-2:51 p.m.

1 stop23h 06m

Milwaukee-Mitchell

Mon 2/3

3:47 p.m.-3:35 p.m.

1 stop22h 48m

C$ 624

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Sat 20/6

7:00 a.m.-9:22 p.m.

1 stop15h 22m

Milwaukee-Mitchell

Wed 24/6

12:00 p.m.-11:34 p.m.

1 stop10h 34m

C$ 654

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Sat 20/6

7:00 a.m.-2:11 p.m.

1 stop8h 11m

Milwaukee-Mitchell

Wed 24/6

9:20 a.m.-6:25 p.m.

2 stops8h 05m

C$ 664

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 Region of Ontario 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 Ontario to Milwaukee-Mitchell?

American Airlines, United Airlines, and Delta are the most popular carriers operating from Ontario 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 Region of Ontario according to our data. Air Canada is the first choice among our users, with 55% of people opting to fly with this airline when travelling to Milwaukee. Keep in mind that there are 6 different airlines that fly to Milwaukee on a routine basis, so you have a few additional options to choose from.

Cheap Region of Ontario to Milwaukee flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Milwaukee

Fastest flight time

3h 14m

Direct flights

None
The fastest flight from Region of Ontario to Milwaukee takes 3h 14m
There are no direct flights from Region of Ontario to Milwaukee. There are no popular flight routes from Region of Ontario to Milwaukee.
Search flight deals

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

    Prices for flights from Ontario to Milwaukee-Mitchell Airport refresh daily.

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

  • How old do you have to be to fly from Ontario 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 Ontario 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.

Best airlines flying from Region of Ontario to Milwaukee

Compare and see reviews for airlines that fly from Region of Ontario to Milwaukee with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 243Free CancellationRating
7.1
10,684 reviews
Search Air Canada flights
DeltaPriceFrom C$ 346Free CancellationRating
7.9
8,138 reviews
Search Delta flights
United AirlinesPriceFrom C$ 421Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
WestJetPriceFrom C$ 564Free CancellationRating
7.2
3,255 reviews
Search WestJet 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 Ontario to Milwaukee?

It is quick and easy to find Ontario to Milwaukee flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Milwaukee that suits you.

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

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

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

momondo helps you find the best flight between Ontario and Milwaukee by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Milwaukee from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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