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Cheap flights from Ontario to Milwaukee from $207

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 6/1. 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.
American Airlines Logo
11:39 am - 10:24 pm
YYZ
-
MKE
11h 45m
1 stop
American Airlines Logo
10:00 am - 11:29 pm
MKE
-
YYZ
12h 29m
1 stop
$392American Airlines
Tue, Jun 2 - Tue, Jun 9
American Airlines Logo
6:26 pm - 7:42 am
YYZ
-
MKE
14h 16m
1 stop
American Airlines Logo
7:30 am - 11:24 pm
MKE
-
YYZ
14h 54m
1 stop
$423American Airlines
Fri, May 29 - Sun, May 31
Multiple Airlines Logo
9:50 am - 8:01 am
YYZ
-
MKE
23h 11m
1 stop
Multiple Airlines Logo
12:09 pm - 4:45 pm
MKE
-
YYZ
27h 36m
2 stops
$428Multiple Airlines
Wed, Jun 3 - Mon, Jun 8
American Airlines Logo
1:15 pm - 9:05 pm
YYZ
-
MKE
8h 50m
1 stop
American Airlines Logo
5:00 am - 5:44 pm
MKE
-
YYZ
11h 44m
1 stop
$441American Airlines
Thu, Jun 4 - Sat, Jun 6
United Airlines Logo
5:25 pm - 8:56 pm
YOW
-
MKE
4h 31m
1 stop
United Airlines Logo
7:08 pm - 9:11 am
MKE
-
YOW
13h 03m
1 stop
$467United Airlines
Sat, May 23 - Wed, May 27
Multiple Airlines Logo
7:45 am - 11:15 am
YYZ
-
MKE
28h 30m
2 stops
Multiple Airlines Logo
8:43 am - 8:05 pm
MKE
-
YYZ
10h 22m
1 stop
$497Multiple Airlines
Tue, Jul 21 - Tue, Jul 28
Delta Logo
9:30 am - 5:49 pm
YUL
-
MKE
9h 19m
1 stop
Delta Logo
10:59 am - 6:53 pm
MKE
-
YUL
6h 54m
1 stop
$499Delta
Sat, May 23 - Wed, May 27
United Airlines Logo
3:10 pm - 11:34 pm
YOW
-
MKE
9h 24m
1 stop
United Airlines Logo
2:50 pm - 9:35 pm
MKE
-
YOW
5h 45m
1 stop
$515United Airlines
Sat, May 23 - Wed, May 27
Delta Logo
6:00 am - 8:51 am
YUL
-
MKE
3h 51m
1 stop
Delta Logo
7:12 am - 4:20 pm
MKE
-
YUL
8h 08m
1 stop
$522Delta
Fri, Jun 19 - Sat, Jun 27
Air Canada Logo
6:10 am - 11:19 am
YUL
-
MKE
6h 09m
1 stop
Air Canada Logo
1:30 pm - 12:13 am
MKE
-
YUL
9h 43m
2 stops
$558Air Canada
Fri, May 29 - Sat, Jun 6

Delta flights from Region of Ontario to Milwaukee

Our best Delta deals on Region of Ontario to Milwaukee flight tickets
Delta
May 23
YUL9:30 amMontreal Pierre Elliott Trudeau Intl
9h 19m
1 stop
MKE5:49 pmMilwaukee-Mitchell
May 27
MKE10:59 amMilwaukee-Mitchell
6h 54m
1 stop
YUL6:53 pmMontreal Pierre Elliott Trudeau Intl
$499
Delta
Jun 19
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
3h 51m
1 stop
MKE8:51 amMilwaukee-Mitchell
Jun 28
MKE1:25 pmMilwaukee-Mitchell
9h 03m
1 stop
YUL11:28 pmMontreal Pierre Elliott Trudeau Intl
$522
Delta
May 23
YUL9:30 amMontreal Pierre Elliott Trudeau Intl
9h 19m
1 stop
MKE5:49 pmMilwaukee-Mitchell
May 27
MKE10:59 amMilwaukee-Mitchell
6h 54m
1 stop
YUL6:53 pmMontreal Pierre Elliott Trudeau Intl
$523

United Airlines flights from Region of Ontario to Milwaukee

Our best United Airlines deals on Region of Ontario to Milwaukee flight tickets
United Airlines
May 23
YOW2:52 pmOttawa
8h 42m
2 stops
MKE10:34 pmMilwaukee-Mitchell
May 27
MKE12:05 pmMilwaukee-Mitchell
9h 00m
2 stops
YOW10:05 pmOttawa
$515
United Airlines
May 23
YOW5:25 pmOttawa
4h 31m
1 stop
MKE8:56 pmMilwaukee-Mitchell
May 27
MKE12:05 pmMilwaukee-Mitchell
9h 00m
2 stops
YOW10:05 pmOttawa
$516
United Airlines
May 23
YOW10:44 amOttawa
6h 17m
1 stop
MKE4:01 pmMilwaukee-Mitchell
May 27
MKE10:38 amMilwaukee-Mitchell
10h 27m
2 stops
YOW10:05 pmOttawa
$517

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 May 7, 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

Cheapest round-trip

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Tue 6/2

11:39 am-10:24 pm

1 stop11h 45m

Milwaukee-Mitchell

Tue 6/9

10:00 am-11:29 pm

1 stop12h 29m

$392

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Fri 5/29

6:26 pm-7:42 am

1 stop14h 16m

Milwaukee-Mitchell

Sun 5/31

7:30 am-11:24 pm

1 stop14h 54m

$423

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Wed 6/3

9:50 am-8:01 am

1 stop23h 11m

Milwaukee-Mitchell

Mon 6/8

12:09 pm-4:45 pm

2 stops27h 36m

$428

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Thu 6/4

1:15 pm-9:05 pm

1 stop8h 50m

Milwaukee-Mitchell

Sat 6/6

5:00 am-5:44 pm

1 stop11h 44m

$441

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Sat 5/23

5:25 pm-8:56 pm

1 stop4h 31m

Milwaukee-Mitchell

Wed 5/27

7:08 pm-9:11 am

1 stop13h 03m

$467

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Tue 7/21

7:45 am-11:15 am

2 stops28h 30m

Milwaukee-Mitchell

Tue 7/28

8:43 am-8:05 pm

1 stop10h 22m

$497

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Sat 5/23

9:30 am-5:49 pm

1 stop9h 19m

Milwaukee-Mitchell

Wed 5/27

10:59 am-6:53 pm

1 stop6h 54m

$499

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Sat 5/23

3:10 pm-11:34 pm

1 stop9h 24m

Milwaukee-Mitchell

Wed 5/27

2:50 pm-9:35 pm

1 stop5h 45m

$515
Quickest round-trip

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Fri 6/19

6:00 am-8:51 am

1 stop3h 51m

Milwaukee-Mitchell

Sat 6/27

7:12 am-4:20 pm

1 stop8h 08m

$522

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Fri 5/29

6:10 am-11:19 am

1 stop6h 09m

Milwaukee-Mitchell

Sat 6/6

1:30 pm-12:13 am

2 stops9h 43m

$558

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 month to fly to Milwaukee?

The cheapest month to fly to Milwaukee from Region of Ontario is in November. Flight prices, which tend to average around $178, are often lower during this time because this is during the off-season. The month of August is another great option to travel to Milwaukee, with average flight prices from Region of Ontario averaging around $212.

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

You could potentially save up to 25% 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

4h 15m

Direct flights

None
The fastest flight from Region of Ontario to Milwaukee takes 4h 15m
There are no direct flights from Region of Ontario to Milwaukee. There are no popular flight routes from Region of Ontario to Milwaukee.
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Frequently asked questions about flying from Ontario to Milwaukee

  • 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
Glendale
Pewaukee
West Bend
Port Washington
Kohler
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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