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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 3/21. 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.
United Airlines Logo
9:45 am - 5:31 pm
YOW
-
MKE
8h 46m
2 stops
United Airlines Logo
9:44 am - 9:18 pm
MKE
-
YOW
10h 34m
1 stop
$319United Airlines
dj., febr. 26 - dl., març 2
United Airlines Logo
6:00 am - 2:05 pm
YOW
-
MKE
9h 05m
2 stops
United Airlines Logo
6:00 am - 5:07 pm
MKE
-
YOW
10h 07m
1 stop
$320United Airlines
dj., febr. 26 - dl., març 2
Multiple Airlines Logo
7:10 am - 6:42 pm
YYZ
-
MKE
12h 32m
1 stop
Multiple Airlines Logo
9:01 pm - 2:20 pm
MKE
-
YYZ
16h 19m
1 stop
$403Multiple Airlines
dj., març 5 - dj., març 12
American Airlines Logo
4:44 pm - 7:49 am
YYZ
-
MKE
16h 05m
1 stop
American Airlines Logo
5:00 am - 4:03 pm
MKE
-
YYZ
10h 03m
1 stop
$404American Airlines
dj., març 5 - dj., març 12
American Airlines Logo
1:15 pm - 11:40 pm
YYZ
-
MKE
11h 25m
1 stop
American Airlines Logo
5:06 am - 2:33 pm
MKE
-
YYZ
8h 27m
1 stop
$409American Airlines
dt., abr. 14 - dv., abr. 17
Delta Logo
2:29 pm - 9:51 pm
YUL
-
MKE
8h 22m
1 stop
Delta Logo
5:00 pm - 11:10 pm
MKE
-
YUL
5h 10m
1 stop
$428Delta
dc., febr. 18 - ds., febr. 21
Delta Logo
12:52 pm - 4:08 pm
YUL
-
MKE
4h 16m
1 stop
Delta Logo
5:00 pm - 11:10 pm
MKE
-
YUL
5h 10m
1 stop
$429Delta
dc., febr. 18 - ds., febr. 21
Multiple Airlines Logo
7:10 am - 6:42 pm
YYZ
-
MKE
12h 32m
1 stop
Multiple Airlines Logo
9:01 pm - 2:40 pm
MKE
-
YYZ
16h 39m
2 stops
$435Multiple Airlines
dj., març 5 - dj., març 12
Alaska Airlines Logo
4:45 pm - 2:51 pm
YYZ
-
MKE
23h 06m
1 stop
Alaska Airlines Logo
3:47 pm - 3:35 pm
MKE
-
YYZ
22h 48m
1 stop
$447Alaska Airlines
dt., febr. 24 - dv., febr. 27
Alaska Airlines Logo
4:45 pm - 2:51 pm
YYZ
-
MKE
23h 06m
1 stop
Alaska Airlines Logo
3:47 pm - 3:35 pm
MKE
-
YYZ
22h 48m
1 stop
$457Alaska Airlines
dj., febr. 26 - dl., març 2

United Airlines flights from Region of Ontario to Milwaukee

Our best United Airlines deals on Region of Ontario to Milwaukee flight tickets
United Airlines
Feb 26
YOW6:00 amOttawa
10h 20m
2 stops
MKE3:20 pmMilwaukee-Mitchell
Mar 2
MKE1:25 pmMilwaukee-Mitchell
6h 53m
1 stop
YOW9:18 pmOttawa
$319
United Airlines
Feb 26
YOW6:00 amOttawa
9h 05m
2 stops
MKE2:05 pmMilwaukee-Mitchell
Mar 2
MKE6:00 amMilwaukee-Mitchell
10h 07m
1 stop
YOW5:07 pmOttawa
$320
United Airlines
Mar 2
YOW5:11 pmOttawa
6h 17m
1 stop
MKE10:28 pmMilwaukee-Mitchell
Mar 9
MKE7:18 pmMilwaukee-Mitchell
18h 12m
2 stops
YOW2:30 pmOttawa
$374

WestJet flights from Region of Ontario to Milwaukee

Our best WestJet deals on Region of Ontario to Milwaukee flight tickets
WestJet
Jun 20
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
8h 11m
1 stop
MKE2:11 pmMilwaukee-Mitchell
Jun 24
MKE9:20 amMilwaukee-Mitchell
8h 05m
2 stops
YUL6:25 pmMontreal Pierre Elliott Trudeau Intl
$486
WestJet
Jun 19
YUL6:45 amMontreal Pierre Elliott Trudeau Intl
26h 56m
2 stops
MKE8:41 amMilwaukee-Mitchell
Jun 22
MKE6:25 pmMilwaukee-Mitchell
3h 45m
1 stop
YUL11:10 pmMontreal Pierre Elliott Trudeau Intl
$487
WestJet
Jun 19
YUL6:45 amMontreal Pierre Elliott Trudeau Intl
26h 56m
2 stops
MKE8:41 amMilwaukee-Mitchell
Jun 22
MKE6:25 pmMilwaukee-Mitchell
23h 00m
2 stops
YUL6:25 pmMontreal Pierre Elliott Trudeau Intl
$494

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 febrer 5, 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

dj. 2/26

9:45 am-5:31 pm

2 stops8h 46m

Milwaukee-Mitchell

dl. 3/2

9:44 am-9:18 pm

1 stop10h 34m

$319

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

dj. 2/26

6:00 am-2:05 pm

2 stops9h 05m

Milwaukee-Mitchell

dl. 3/2

6:00 am-5:07 pm

1 stop10h 07m

$320

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

dj. 3/5

7:10 am-6:42 pm

1 stop12h 32m

Milwaukee-Mitchell

dj. 3/12

9:01 pm-2:20 pm

1 stop16h 19m

$403

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

dj. 3/5

4:44 pm-7:49 am

1 stop16h 05m

Milwaukee-Mitchell

dj. 3/12

5:00 am-4:03 pm

1 stop10h 03m

$404

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

dt. 4/14

1:15 pm-11:40 pm

1 stop11h 25m

Milwaukee-Mitchell

dv. 4/17

5:06 am-2:33 pm

1 stop8h 27m

$409

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

dc. 2/18

2:29 pm-9:51 pm

1 stop8h 22m

Milwaukee-Mitchell

ds. 2/21

5:00 pm-11:10 pm

1 stop5h 10m

$428

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

dc. 2/18

12:52 pm-4:08 pm

1 stop4h 16m

Milwaukee-Mitchell

ds. 2/21

5:00 pm-11:10 pm

1 stop5h 10m

$429

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

dj. 3/5

7:10 am-6:42 pm

1 stop12h 32m

Milwaukee-Mitchell

dj. 3/12

9:01 pm-2:40 pm

2 stops16h 39m

$435

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

dt. 2/24

4:45 pm-2:51 pm

1 stop23h 06m

Milwaukee-Mitchell

dv. 2/27

3:47 pm-3:35 pm

1 stop22h 48m

$447

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

dj. 2/26

4:45 pm-2:51 pm

1 stop23h 06m

Milwaukee-Mitchell

dl. 3/2

3:47 pm-3:35 pm

1 stop22h 48m

$457

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

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

You could potentially save up to 9% 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 44m

Direct flights

None
The fastest flight from Region of Ontario to Milwaukee takes 4h 44m
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
Glendale
Pewaukee
Kohler
West Bend
Port Washington
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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