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Cheap flights from Ontario to Milwaukee from $187

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 9/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ontario to Milwaukee

Cheap round-trip flights

Logo
4:00 pm - 11:06 pmYYZ-MKE
8h 06m1 stop
Logo
12:53 pm - 1:52 pmMKE-YYZ
23h 59m1 stop
$353
Find Deal
Thu, Aug 28 - Thu, Sep 4
United Airlines Logo
6:15 am - 10:13 amYUL-MKE
4h 58m1 stop
United Airlines Logo
6:00 am - 5:26 pmMKE-YUL
10h 26m1 stop
$403United Airlines
Find Deal
Mon, Sep 1 - Sun, Sep 7
American Airlines Logo
7:25 am - 1:44 pmYUL-MKE
7h 19m1 stop
American Airlines Logo
3:47 pm - 10:32 pmMKE-YUL
5h 45m1 stop
$404American Airlines
Find Deal
Thu, Sep 4 - Thu, Sep 4
United Airlines Logo
9:45 am - 10:31 pmYUL-MKE
13h 46m1 stop
United Airlines Logo
6:10 am - 1:09 pmMKE-YUL
5h 59m1 stop
$405United Airlines
Find Deal
Thu, Sep 25 - Wed, Oct 1
American Airlines Logo
7:25 am - 1:44 pmYUL-MKE
7h 19m1 stop
American Airlines Logo
3:47 pm - 10:32 pmMKE-YUL
5h 45m1 stop
$406American Airlines
Find Deal
Thu, Sep 4 - Thu, Sep 4
WestJet Logo
6:45 am - 4:17 pmYUL-MKE
10h 32m2 stops
WestJet Logo
6:00 am - 8:37 amMKE-YUL
25h 37m1 stop
$456WestJet
Find Deal
Fri, Oct 3 - Mon, Oct 6
WestJet Logo
7:00 am - 11:24 amYUL-MKE
5h 24m1 stop
WestJet Logo
6:35 pm - 11:14 pmMKE-YUL
3h 39m1 stop
$493WestJet
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Fri, Oct 10 - Mon, Oct 13
Delta Logo
2:30 pm - 9:06 pmYYZ-MKE
7h 36m1 stop
Delta Logo
12:09 pm - 6:30 pmMKE-YYZ
5h 21m1 stop
$547Delta
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Fri, Oct 24 - Sun, Oct 26
Air Canada Logo
1:20 pm - 7:10 pmYUL-MKE
6h 50m1 stop
Air Canada Logo
5:00 am - 11:58 amMKE-YUL
5h 58m1 stop
$902Air Canada
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Sat, Aug 16 - Sat, Aug 23
Air Canada Logo
5:00 am - 11:30 amYUL-MKE
7h 30m2 stops
Air Canada Logo
3:44 pm - 12:40 amMKE-YUL
7h 56m2 stops
$1,518Air Canada
Find Deal
Thu, Sep 4 - Thu, Sep 4

United Airlines flights from Region of Ontario to Milwaukee

Our best United Airlines deals on Region of Ontario to Milwaukee flight tickets
United Airlines
Sep 1
YUL6:15 amMontreal Pierre Elliott Trudeau Intl
4h 58m
1 stop
MKE10:13 amMilwaukee-Mitchell
Sep 7
MKE6:00 amMilwaukee-Mitchell
10h 26m
1 stop
YUL5:26 pmMontreal Pierre Elliott Trudeau Intl
$403
Find similar
United Airlines
Sep 25
YUL9:45 amMontreal Pierre Elliott Trudeau Intl
13h 46m
1 stop
MKE10:31 pmMilwaukee-Mitchell
Oct 1
MKE6:10 amMilwaukee-Mitchell
5h 59m
1 stop
YUL1:09 pmMontreal Pierre Elliott Trudeau Intl
$405
Find similar
United Airlines
Aug 30
YUL11:23 amMontreal Pierre Elliott Trudeau Intl
7h 04m
1 stop
MKE5:27 pmMilwaukee-Mitchell
Sep 2
MKE7:15 pmMilwaukee-Mitchell
14h 25m
1 stop
YUL10:40 amMontreal Pierre Elliott Trudeau Intl
$419
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
Sep 4
YUL7:25 amMontreal Pierre Elliott Trudeau Intl
7h 19m
1 stop
MKE1:44 pmMilwaukee-Mitchell
Sep 4
MKE3:47 pmMilwaukee-Mitchell
5h 45m
1 stop
YUL10:32 pmMontreal Pierre Elliott Trudeau Intl
$404
Find similar
American Airlines
Sep 4
YUL7:25 amMontreal Pierre Elliott Trudeau Intl
7h 19m
1 stop
MKE1:44 pmMilwaukee-Mitchell
Sep 4
MKE3:47 pmMilwaukee-Mitchell
5h 45m
1 stop
YUL10:32 pmMontreal Pierre Elliott Trudeau Intl
$406
Find similar
American Airlines
Sep 4
YUL7:25 amMontreal Pierre Elliott Trudeau Intl
7h 19m
1 stop
MKE1:44 pmMilwaukee-Mitchell
Sep 4
MKE3:47 pmMilwaukee-Mitchell
20h 53m
1 stop
YUL1:40 pmMontreal Pierre Elliott Trudeau Intl
$409
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 August 2, 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 8/28

4:00 pm-11:06 pm

1 stop8h 06m

Milwaukee-Mitchell

Thu 9/4

12:53 pm-1:52 pm

1 stop23h 59m

$353

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Mon 9/1

6:15 am-10:13 am

1 stop4h 58m

Milwaukee-Mitchell

Sun 9/7

6:00 am-5:26 pm

1 stop10h 26m

$403

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

7:25 am-1:44 pm

1 stop7h 19m

Milwaukee-Mitchell

Thu 9/4

3:47 pm-10:32 pm

1 stop5h 45m

$404

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Thu 9/25

9:45 am-10:31 pm

1 stop13h 46m

Milwaukee-Mitchell

Wed 10/1

6:10 am-1:09 pm

1 stop5h 59m

$405

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

7:25 am-1:44 pm

1 stop7h 19m

Milwaukee-Mitchell

Thu 9/4

3:47 pm-10:32 pm

1 stop5h 45m

$406

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Fri 10/3

6:45 am-4:17 pm

2 stops10h 32m

Milwaukee-Mitchell

Mon 10/6

6:00 am-8:37 am

1 stop25h 37m

$456

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Fri 10/10

7:00 am-11:24 am

1 stop5h 24m

Milwaukee-Mitchell

Mon 10/13

6:35 pm-11:14 pm

1 stop3h 39m

$493

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Fri 10/24

2:30 pm-9:06 pm

1 stop7h 36m

Milwaukee-Mitchell

Sun 10/26

12:09 pm-6:30 pm

1 stop5h 21m

$547

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Sat 8/16

1:20 pm-7:10 pm

1 stop6h 50m

Milwaukee-Mitchell

Sat 8/23

5:00 am-11:58 am

1 stop5h 58m

$902

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

5:00 am-11:30 am

2 stops7h 30m

Milwaukee-Mitchell

Thu 9/4

3:44 pm-12:40 am

2 stops7h 56m

$1,518

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 February. Flight prices, which tend to average around $329, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Milwaukee, with average flight prices from Region of Ontario averaging around $355.

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 11% 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

Best Price Found

$187

Fastest flight time

3h 13m

Direct flights

None

Airports in Milwaukee

1 airport
The best one-way flight to Milwaukee from Region of Ontario in the past 72 hours is $187. The best round-trip flight deal from Region of Ontario to Milwaukee found on momondo in the last 72 hours is $353.
The fastest flight from Region of Ontario to Milwaukee takes 3h 13m
There are no direct flights from Region of Ontario to Milwaukee. Popular non-direct routes for this connection are Toronto Pearson Intl Airport - Milwaukee-Mitchell Airport, Ottawa Airport - Milwaukee-Mitchell Airport and Montreal Pierre Elliott Trudeau Intl Airport - Milwaukee-Mitchell Airport.
There is 1 airport near Milwaukee: Milwaukee-Mitchell (MKE)
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  • 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
Oak Creek
Mequon
Wauwatosa
Glendale
Pewaukee
Kohler
West Bend
Port Washington
Grafton
New Berlin

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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