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Cheap flights from Milwaukee to Ontario from $221

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Milwaukee to Ontario departing on 10/4. 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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Cheap round-trip flights

American Airlines Logo
5:00 am - 4:04 pmMKE-YYZ
10h 04m1 stop
American Airlines Logo
6:20 pm - 8:00 amYYZ-MKE
14h 40m1 stop
$418American Airlines
Find Deal
Sat, Nov 8 - Thu, Nov 13
Logo
12:53 pm - 11:41 pmMKE-YYZ
9h 48m1 stop
Logo
6:30 am - 6:31 pmYYZ-MKE
37h 01m2 stops
$421
Find Deal
Thu, Oct 2 - Sat, Oct 18
American Airlines Logo
8:16 pm - 4:11 pmMKE-YUL
18h 55m1 stop
American Airlines Logo
3:52 pm - 11:05 pmYUL-MKE
8h 13m1 stop
$421American Airlines
Find Deal
Sat, Nov 1 - Thu, Nov 6
American Airlines Logo
12:10 pm - 10:51 pmMKE-YYZ
9h 41m2 stops
American Airlines Logo
4:44 pm - 8:00 amYYZ-MKE
16h 16m1 stop
$428American Airlines
Find Deal
Sat, Nov 8 - Thu, Nov 13
United Airlines Logo
7:00 am - 3:57 pmMKE-YUL
7h 57m1 stop
United Airlines Logo
9:25 am - 10:43 pmYUL-MKE
14h 18m1 stop
$468United Airlines
Find Deal
Tue, Nov 4 - Sat, Nov 8
United Airlines Logo
7:15 pm - 10:40 amMKE-YUL
14h 25m1 stop
United Airlines Logo
2:20 pm - 10:41 pmYUL-MKE
9h 21m2 stops
$481United Airlines
Find Deal
Mon, Sep 8 - Tue, Sep 9
WestJet Logo
12:09 pm - 11:21 pmMKE-YUL
10h 12m1 stop
WestJet Logo
9:28 am - 9:06 pmYUL-MKE
12h 38m1 stop
$552WestJet
Find Deal
Mon, Oct 13 - Fri, Oct 17
Delta Logo
6:00 am - 4:05 pmMKE-YUL
9h 05m1 stop
Delta Logo
7:00 am - 4:00 pmYUL-MKE
10h 00m1 stop
$590Delta
Find Deal
Thu, Sep 18 - Tue, Sep 23
WestJet Logo
12:09 pm - 11:21 pmMKE-YUL
10h 12m1 stop
WestJet Logo
6:45 am - 6:18 pmYUL-MKE
12h 33m2 stops
$616WestJet
Find Deal
Mon, Oct 13 - Fri, Oct 17
Delta Logo
9:27 am - 9:57 pmMKE-YUL
11h 30m2 stops
Delta Logo
6:00 am - 8:42 amYUL-MKE
3h 42m1 stop
$654Delta
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Thu, Sep 25 - Sun, Sep 28

American Airlines flights from Milwaukee to Region of Ontario

Our best American Airlines deals on Milwaukee to Region of Ontario flight tickets
American Airlines
Nov 8
MKE5:00 amMilwaukee-Mitchell
10h 04m
1 stop
YYZ4:04 pmToronto Pearson Intl
Nov 13
YYZ6:20 pmToronto Pearson Intl
14h 40m
1 stop
MKE8:00 amMilwaukee-Mitchell
$418
Find similar
American Airlines
Nov 1
MKE8:16 pmMilwaukee-Mitchell
18h 55m
1 stop
YUL4:11 pmMontreal Pierre Elliott Trudeau Intl
Nov 6
YUL3:52 pmMontreal Pierre Elliott Trudeau Intl
8h 13m
1 stop
MKE11:05 pmMilwaukee-Mitchell
$421
Find similar
American Airlines
Nov 8
MKE12:10 pmMilwaukee-Mitchell
9h 41m
2 stops
YYZ10:51 pmToronto Pearson Intl
Nov 13
YYZ4:44 pmToronto Pearson Intl
16h 16m
1 stop
MKE8:00 amMilwaukee-Mitchell
$428
Find similar

United Airlines flights from Milwaukee to Region of Ontario

Our best United Airlines deals on Milwaukee to Region of Ontario flight tickets
United Airlines
Nov 4
MKE7:00 amMilwaukee-Mitchell
7h 57m
1 stop
YUL3:57 pmMontreal Pierre Elliott Trudeau Intl
Nov 8
YUL9:25 amMontreal Pierre Elliott Trudeau Intl
14h 18m
1 stop
MKE10:43 pmMilwaukee-Mitchell
$468
Find similar
United Airlines
Sep 8
MKE7:15 pmMilwaukee-Mitchell
14h 25m
1 stop
YUL10:40 amMontreal Pierre Elliott Trudeau Intl
Sep 9
YUL2:20 pmMontreal Pierre Elliott Trudeau Intl
9h 21m
2 stops
MKE10:41 pmMilwaukee-Mitchell
$481
Find similar
United Airlines
Oct 1
MKE7:00 amMilwaukee-Mitchell
9h 26m
1 stop
YUL5:26 pmMontreal Pierre Elliott Trudeau Intl
Oct 7
YUL9:45 amMontreal Pierre Elliott Trudeau Intl
13h 11m
1 stop
MKE9:56 pmMilwaukee-Mitchell
$490
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Milwaukee to Region of Ontario 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 20, 2025.
Use the filters below to find and compare flights from Milwaukee to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Sat 11/8

5:00 am-4:04 pm

1 stop10h 04m

Toronto Pearson Intl

Thu 11/13

6:20 pm-8:00 am

1 stop14h 40m

$418

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Thu 10/2

12:53 pm-11:41 pm

1 stop9h 48m

Toronto Pearson Intl

Sat 10/18

6:30 am-6:31 pm

2 stops37h 01m

$421

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Sat 11/1

8:16 pm-4:11 pm

1 stop18h 55m

Montreal Pierre Elliott Trudeau Intl

Thu 11/6

3:52 pm-11:05 pm

1 stop8h 13m

$421

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Sat 11/8

12:10 pm-10:51 pm

2 stops9h 41m

Toronto Pearson Intl

Thu 11/13

4:44 pm-8:00 am

1 stop16h 16m

$428

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Tue 11/4

7:00 am-3:57 pm

1 stop7h 57m

Montreal Pierre Elliott Trudeau Intl

Sat 11/8

9:25 am-10:43 pm

1 stop14h 18m

$468

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Mon 9/8

7:15 pm-10:40 am

1 stop14h 25m

Montreal Pierre Elliott Trudeau Intl

Tue 9/9

2:20 pm-10:41 pm

2 stops9h 21m

$481

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Mon 10/13

12:09 pm-11:21 pm

1 stop10h 12m

Montreal Pierre Elliott Trudeau Intl

Fri 10/17

9:28 am-9:06 pm

1 stop12h 38m

$552

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Thu 9/18

6:00 am-4:05 pm

1 stop9h 05m

Montreal Pierre Elliott Trudeau Intl

Tue 9/23

7:00 am-4:00 pm

1 stop10h 00m

$590

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Mon 10/13

12:09 pm-11:21 pm

1 stop10h 12m

Montreal Pierre Elliott Trudeau Intl

Fri 10/17

6:45 am-6:18 pm

2 stops12h 33m

$616

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Thu 9/25

9:27 am-9:57 pm

2 stops11h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 9/28

6:00 am-8:42 am

1 stop3h 42m

$654

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 Ontario from

How to get the cheapest flight ticket from Milwaukee to Region of Ontario

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 Region of Ontario?

The month of March is, on average, the cheapest month to fly to Region of Ontario from Milwaukee, with most prices found around $260. If you aren’t able to travel during the month of March, then book flights to Region of Ontario from Milwaukee during January instead. Flights to Region of Ontario in January, while not as cheap as those in March, still average around $362.

What is the cheapest day to depart on your flight to Region of Ontario?

According to our data, Tuesday is the cheapest day to fly to Region of Ontario from Milwaukee. The lowest ticket price found for a Tuesday departure recently was $387. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Milwaukee to Region of Ontario on a Monday will generally be more expensive and average around $597. 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 Region of Ontario?

According to our data, the cheapest time of day to fly to Region of Ontario is in the morning. momondo users have found flights departing from Milwaukee to Region of Ontario in the morning for as low as $473. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $565.

Cheap Milwaukee to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Milwaukee to Region of Ontario

Direct flights

None
There are no direct flights from Milwaukee to Region of Ontario. There are no popular flight routes from Milwaukee to Region of Ontario.
Search flight deals

  • When did momondo last update prices for flights from Milwaukee-Mitchell Airport to Ontario?

    Prices for flights from Milwaukee-Mitchell Airport to Ontario were last updated today.

  • How many operators does momondo search for flights from Milwaukee-Mitchell Airport to Ontario?

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Milwaukee-Mitchell Airport to Ontario.

  • What documentation or ID do you need to fly to Ontario?

    The travel and health documents required for your trip to Ontario can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Milwaukee to Region of Ontario

Compare and see reviews for airlines that fly from Milwaukee to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $188Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
American AirlinesPriceFrom $344Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $345Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights
DeltaPriceFrom $359Free CancellationRating
7.9
7,982 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Milwaukee to Ontario?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Milwaukee to Ontario. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Milwaukee to Ontario flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Milwaukee to Ontario.

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

Yes. momondo can track prices for Milwaukee to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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