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Cheap flights from Ontario to Milwaukee from $204

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 11/1. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Milwaukee

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:15 pm - 7:08 pm-
26h 53m
Multiple Airlines Logo
8:03 pm - 1:40 pm-
16h 37m
$396Multiple Airlines
Wed, Oct 28 - Sun, Nov 1
American Airlines Logo
7:20 am - 7:59 pm-
13h 39m
American Airlines Logo
8:14 pm - 12:35 pm-
15h 21m
$404American Airlines
Thu, Sep 3 - Wed, Sep 9
Delta Logo
6:00 am - 8:45 am-
3h 45m
Delta Logo
4:47 pm - 11:30 pm-
5h 43m
$406Delta
Sat, Aug 29 - Tue, Sep 1
American Airlines Logo
6:24 pm - 8:07 am-
14h 43m
American Airlines Logo
7:19 pm - 10:56 am-
14h 37m
$407American Airlines
Fri, Dec 11 - Mon, Dec 14
Delta Logo
6:00 am - 8:45 am-
3h 45m
Delta Logo
4:47 pm - 11:30 pm-
5h 43m
$408Delta
Sat, Aug 29 - Tue, Sep 1
American Airlines Logo
7:20 am - 6:18 pm-
11h 58m
American Airlines Logo
1:18 pm - 11:26 pm-
9h 08m
$410American Airlines
Thu, Aug 27 - Wed, Sep 16
American Airlines Logo
6:30 am - 8:03 pm-
14h 33m
American Airlines Logo
7:30 am - 11:26 pm-
14h 56m
$411American Airlines
Mon, Sep 14 - Mon, Sep 21
American Airlines Logo
6:30 am - 6:21 pm-
12h 51m
American Airlines Logo
8:14 pm - 12:35 pm-
15h 21m
$412American Airlines
Tue, Sep 15 - Fri, Sep 18
American Airlines Logo
6:30 am - 12:48 pm-
7h 18m
American Airlines Logo
8:14 pm - 10:59 am-
13h 45m
$418American Airlines
Tue, Sep 15 - Fri, Sep 18
United Airlines Logo
6:10 am - 4:10 pm-
11h 00m
United Airlines Logo
3:15 pm - 9:26 pm-
5h 11m
$423United Airlines
Thu, Aug 27 - Sat, Aug 29

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United Airlines flights from Region of Ontario to Milwaukee

Our best United Airlines deals on Region of Ontario to Milwaukee flight tickets
United Airlines
Aug 27
YUL6:10 amMontreal Pierre Elliott Trudeau Intl
11h 00m
1 stop
MKE4:10 pmMilwaukee-Mitchell
Aug 29
MKE3:15 pmMilwaukee-Mitchell
5h 11m
1 stop
YUL9:26 pmMontreal Pierre Elliott Trudeau Intl
$423
United Airlines
Aug 18
YYZ7:00 amToronto Pearson Intl
4h 00m
1 stop
MKE10:00 amMilwaukee-Mitchell
Aug 18
MKE1:19 pmMilwaukee-Mitchell
5h 21m
1 stop
YYZ7:40 pmToronto Pearson Intl
$445
United Airlines
Aug 22
YYZ8:50 amToronto Pearson Intl
4h 48m
1 stop
MKE12:38 pmMilwaukee-Mitchell
Aug 26
MKE8:30 amMilwaukee-Mitchell
9h 32m
2 stops
YYZ7:02 pmToronto Pearson Intl
$450

Air Canada flights from Region of Ontario to Milwaukee

Our best Air Canada deals on Region of Ontario to Milwaukee flight tickets
Air Canada
Sep 6
YUL8:40 amMontreal Pierre Elliott Trudeau Intl
6h 53m
2 stops
MKE2:33 pmMilwaukee-Mitchell
Sep 12
MKE5:00 amMilwaukee-Mitchell
7h 09m
2 stops
YUL1:09 pmMontreal Pierre Elliott Trudeau Intl
$485
Air Canada
Aug 22
YYZ7:00 amToronto Pearson Intl
4h 00m
1 stop
MKE10:00 amMilwaukee-Mitchell
Aug 29
MKE10:19 amMilwaukee-Mitchell
7h 43m
2 stops
YYZ7:02 pmToronto Pearson Intl
$511
Air Canada
Sep 4
YYZ1:55 pmToronto Pearson Intl
21h 05m
2 stops
MKE10:00 amMilwaukee-Mitchell
Sep 11
MKE5:00 amMilwaukee-Mitchell
3h 54m
1 stop
YYZ9:54 amToronto Pearson Intl
$543

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 4, 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

Wed 10/28

5:15 pm-7:08 pm

1 stop26h 53m

Milwaukee-Mitchell

Sun 11/1

8:03 pm-1:40 pm

1 stop16h 37m

$396

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Thu 9/3

7:20 am-7:59 pm

1 stop13h 39m

Milwaukee-Mitchell

Wed 9/9

8:14 pm-12:35 pm

1 stop15h 21m

$404
Quickest round-trip

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Sat 8/29

6:00 am-8:45 am

1 stop3h 45m

Milwaukee-Mitchell

Tue 9/1

4:47 pm-11:30 pm

1 stop5h 43m

$406

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Fri 12/11

6:24 pm-8:07 am

1 stop14h 43m

Milwaukee-Mitchell

Mon 12/14

7:19 pm-10:56 am

1 stop14h 37m

$407

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Sat 8/29

6:00 am-8:45 am

1 stop3h 45m

Milwaukee-Mitchell

Tue 9/1

4:47 pm-11:30 pm

1 stop5h 43m

$408

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Thu 8/27

7:20 am-6:18 pm

1 stop11h 58m

Milwaukee-Mitchell

Wed 9/16

1:18 pm-11:26 pm

1 stop9h 08m

$410

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Mon 9/14

6:30 am-8:03 pm

1 stop14h 33m

Milwaukee-Mitchell

Mon 9/21

7:30 am-11:26 pm

1 stop14h 56m

$411

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Tue 9/15

6:30 am-6:21 pm

1 stop12h 51m

Milwaukee-Mitchell

Fri 9/18

8:14 pm-12:35 pm

1 stop15h 21m

$412

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Tue 9/15

6:30 am-12:48 pm

1 stop7h 18m

Milwaukee-Mitchell

Fri 9/18

8:14 pm-10:59 am

1 stop13h 45m

$418

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Thu 8/27

6:10 am-4:10 pm

1 stop11h 00m

Milwaukee-Mitchell

Sat 8/29

3:15 pm-9:26 pm

1 stop5h 11m

$423

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 October. Flight prices, which tend to average around $290, 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 $498.

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 45m

Direct flights

None
The fastest flight from Region of Ontario to Milwaukee takes 3h 45m
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
West Bend
Port Washington
Pewaukee
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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