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Cheap flights from Ontario to Milwaukee from $153

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 2/3. 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
0 bags

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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.
Multiple Airlines Logo
8:20 pm - 9:43 am
YYZ
-
MKE
14h 23m1 stop
Multiple Airlines Logo
8:11 pm - 11:26 am
MKE
-
YYZ
14h 15m1 stop
$278Multiple Airlines
Thu, Feb 19 - Mon, Feb 23
Multiple Airlines Logo
8:20 pm - 9:43 am
YYZ
-
MKE
14h 23m1 stop
Multiple Airlines Logo
8:11 pm - 8:11 pm
MKE
-
YYZ
23h 00m2 stops
$306Multiple Airlines
Thu, Feb 19 - Mon, Feb 23
United Airlines Logo
3:15 pm - 9:44 pm
YOW
-
MKE
7h 29m2 stops
United Airlines Logo
5:00 am - 1:34 pm
MKE
-
YOW
7h 34m2 stops
$311United Airlines
Tue, Mar 3 - Wed, Mar 4
United Airlines Logo
5:11 pm - 8:55 pm
YOW
-
MKE
4h 44m1 stop
United Airlines Logo
5:00 am - 9:18 pm
MKE
-
YOW
15h 18m1 stop
$312United Airlines
Tue, Mar 3 - Wed, Mar 4
Multiple Airlines Logo
7:15 am - 5:58 pm
YYZ
-
MKE
11h 43m1 stop
Multiple Airlines Logo
4:42 pm - 12:14 am
MKE
-
YYZ
30h 32m1 stop
$313Multiple Airlines
Tue, Feb 3 - Tue, Feb 10
American Airlines Logo
4:43 pm - 10:59 pm
YYZ
-
MKE
7h 16m1 stop
American Airlines Logo
8:42 am - 9:22 pm
MKE
-
YYZ
11h 40m1 stop
$355American Airlines
Sun, Feb 22 - Tue, Feb 24
American Airlines Logo
6:00 am - 6:26 pm
YYZ
-
MKE
13h 26m1 stop
American Airlines Logo
1:04 pm - 9:23 pm
MKE
-
YYZ
7h 19m1 stop
$401American Airlines
Fri, Jan 23 - Sun, Jan 25
Delta Logo
1:02 pm - 4:16 pm
YUL
-
MKE
4h 14m1 stop
Delta Logo
1:18 pm - 11:12 pm
MKE
-
YUL
8h 54m1 stop
$448Delta
Thu, Jan 22 - Mon, Jan 26
Delta Logo
6:00 am - 12:29 pm
YUL
-
MKE
7h 29m1 stop
Delta Logo
11:20 am - 6:37 pm
MKE
-
YUL
6h 17m1 stop
$449Delta
Thu, Jan 22 - Mon, Jan 26
Air Canada Logo
8:05 am - 3:43 pm
YUL
-
MKE
8h 38m2 stops
Air Canada Logo
3:20 pm - 9:17 pm
MKE
-
YUL
4h 57m1 stop
$502Air Canada
Thu, Jan 22 - Mon, Jan 26

United Airlines flights from Region of Ontario to Milwaukee

Our best United Airlines deals on Region of Ontario to Milwaukee flight tickets
United Airlines
Mar 3
YOW3:15 pmOttawa
7h 29m
2 stops
MKE9:44 pmMilwaukee-Mitchell
Mar 4
MKE5:00 amMilwaukee-Mitchell
7h 34m
2 stops
YOW1:34 pmOttawa
$311
Find similar
United Airlines
Mar 3
YOW5:11 pmOttawa
4h 44m
1 stop
MKE8:55 pmMilwaukee-Mitchell
Mar 4
MKE5:00 amMilwaukee-Mitchell
15h 18m
1 stop
YOW9:18 pmOttawa
$312
Find similar
United Airlines
Jan 3
YOW6:00 amOttawa
5h 45m
1 stop
MKE10:45 amMilwaukee-Mitchell
Jan 6
MKE11:30 amMilwaukee-Mitchell
8h 48m
1 stop
YOW9:18 pmOttawa
$538
Find similar

American Airlines flights from Region of Ontario to Milwaukee

Our best American Airlines deals on Region of Ontario to Milwaukee flight tickets
American Airlines
Feb 22
YYZ4:43 pmToronto Pearson Intl
7h 16m
1 stop
MKE10:59 pmMilwaukee-Mitchell
Feb 24
MKE8:42 amMilwaukee-Mitchell
11h 40m
1 stop
YYZ9:22 pmToronto Pearson Intl
$355
Find similar
American Airlines
Jan 23
YYZ6:00 amToronto Pearson Intl
13h 26m
1 stop
MKE6:26 pmMilwaukee-Mitchell
Jan 25
MKE1:04 pmMilwaukee-Mitchell
7h 19m
1 stop
YYZ9:23 pmToronto Pearson Intl
$401
Find similar
American Airlines
Feb 6
YYZ6:00 amToronto Pearson Intl
10h 57m
1 stop
MKE3:57 pmMilwaukee-Mitchell
Feb 9
MKE1:04 pmMilwaukee-Mitchell
7h 19m
1 stop
YYZ9:23 pmToronto Pearson Intl
$424
Find similar

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 832,500 searches. Data last updated December 21, 2025.
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

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Thu 2/19

8:20 pm-9:43 am

1 stop14h 23m

Milwaukee-Mitchell

Mon 2/23

8:11 pm-11:26 am

1 stop14h 15m

$278

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Thu 2/19

8:20 pm-9:43 am

1 stop14h 23m

Milwaukee-Mitchell

Mon 2/23

8:11 pm-8:11 pm

2 stops23h 00m

$306

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Tue 3/3

3:15 pm-9:44 pm

2 stops7h 29m

Milwaukee-Mitchell

Wed 3/4

5:00 am-1:34 pm

2 stops7h 34m

$311

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Tue 3/3

5:11 pm-8:55 pm

1 stop4h 44m

Milwaukee-Mitchell

Wed 3/4

5:00 am-9:18 pm

1 stop15h 18m

$312

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Tue 2/3

7:15 am-5:58 pm

1 stop11h 43m

Milwaukee-Mitchell

Tue 2/10

4:42 pm-12:14 am

1 stop30h 32m

$313

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Sun 2/22

4:43 pm-10:59 pm

1 stop7h 16m

Milwaukee-Mitchell

Tue 2/24

8:42 am-9:22 pm

1 stop11h 40m

$355

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Fri 1/23

6:00 am-6:26 pm

1 stop13h 26m

Milwaukee-Mitchell

Sun 1/25

1:04 pm-9:23 pm

1 stop7h 19m

$401

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Thu 1/22

1:02 pm-4:16 pm

1 stop4h 14m

Milwaukee-Mitchell

Mon 1/26

1:18 pm-11:12 pm

1 stop8h 54m

$448

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Thu 1/22

6:00 am-12:29 pm

1 stop7h 29m

Milwaukee-Mitchell

Mon 1/26

11:20 am-6:37 pm

1 stop6h 17m

$449

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Thu 1/22

8:05 am-3:43 pm

2 stops8h 38m

Milwaukee-Mitchell

Mon 1/26

3:20 pm-9:17 pm

1 stop4h 57m

$502

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 day to depart on your flight to Milwaukee?

According to our data, Thursday is the cheapest day to fly to Milwaukee from Region of Ontario. The lowest ticket price found for a Thursday departure recently was $322. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Region of Ontario to Milwaukee on a Monday will generally be more expensive and average around $607. 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?

In the evening is the cheapest time of day to fly from Region of Ontario to Milwaukee when you can find flight prices for as low as $320. Flying to Milwaukee in the evening is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Milwaukee, so prices are often more expensive at around $509 per ticket.

Can stopping save me money on Region of Ontario to Milwaukee flights?

You could potentially save up to 23% on your flight if you consider stops on a Region of Ontario to Milwaukee flight.

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

5h 21m

Direct flights

None
The fastest flight from Region of Ontario to Milwaukee takes 5h 21m
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 were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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.

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
Pewaukee
Glendale
Kohler
Port Washington
West Bend
New Berlin
Grafton

Why use momondo?

Why should I use momondo to find a flight deal from Ontario 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 Ontario to Milwaukee for you.

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

Flights from Ontario to Milwaukee with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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

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

Of course. momondo tracks the price of Ontario to Milwaukee flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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