$185 Find Cheap Flights from Milwaukee to Ontario - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Milwaukee to Ontario departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Milwaukee to Ontario

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Ottawa
Ottawa1 stop$554
London
London2 stops$923
Ottawa
Ottawa1 stop$554
London
London2 stops$923

Book Cheap Milwaukee to Ontario Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Milwaukee to Ontario that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Milwaukee to Ontario

Tue, Sep 15 - Wed, Sep 23
American Airlines Logo
1:18 pm - 11:26 pm
MKE
-
YYZ
9h 08m
1 stop
American Airlines Logo
6:30 am - 2:16 pm
YYZ
-
MKE
8h 46m
1 stop
$427American Airlines
Thu, Sep 10 - Tue, Sep 15
American Airlines Logo
1:18 pm - 11:26 pm
MKE
-
YYZ
9h 08m
1 stop
American Airlines Logo
6:30 am - 12:48 pm
YYZ
-
MKE
7h 18m
1 stop
$427American Airlines
Sat, Sep 12 - Mon, Sep 14
American Airlines Logo
5:03 am - 2:32 pm
MKE
-
YYZ
8h 29m
1 stop
American Airlines Logo
7:15 pm - 8:01 am
YYZ
-
MKE
13h 46m
1 stop
$427American Airlines
Sat, Sep 12 - Mon, Sep 14
American Airlines Logo
8:31 am - 11:26 pm
MKE
-
YYZ
13h 55m
1 stop
American Airlines Logo
7:15 pm - 8:01 am
YYZ
-
MKE
13h 46m
1 stop
$427American Airlines
Thu, Sep 24 - Wed, Sep 30
Multiple Airlines Logo
10:10 am - 9:55 pm
MKE
-
YYZ
10h 45m
2 stops
Multiple Airlines Logo
7:45 am - 9:08 am
YYZ
-
MKE
26h 23m
1 stop
$433Multiple Airlines
Sat, Dec 12 - Tue, Dec 15
United Airlines Logo
2:50 pm - 9:01 pm
MKE
-
YUL
5h 11m
1 stop
United Airlines Logo
4:45 pm - 8:54 pm
YUL
-
MKE
5h 09m
1 stop
$442United Airlines
Tue, Sep 8 - Tue, Sep 15
United Airlines Logo
5:00 am - 10:40 am
MKE
-
YUL
4h 40m
1 stop
United Airlines Logo
9:45 am - 3:11 pm
YUL
-
MKE
6h 26m
1 stop
$442United Airlines
Sat, Sep 12 - Wed, Sep 16
Delta Logo
3:59 pm - 11:44 pm
MKE
-
YUL
6h 45m
1 stop
Delta Logo
7:00 am - 11:40 am
YUL
-
MKE
5h 40m
1 stop
$442Delta
Sat, Oct 24 - Wed, Oct 28
Delta Logo
9:35 am - 4:16 pm
MKE
-
YUL
5h 41m
1 stop
Delta Logo
6:00 am - 8:50 am
YUL
-
MKE
3h 50m
1 stop
$442Delta
Wed, Aug 26 - Sat, Aug 29
United Airlines Logo
11:18 am - 5:30 pm
MKE
-
YUL
5h 12m
1 stop
United Airlines Logo
4:55 pm - 9:00 pm
YUL
-
MKE
5h 05m
1 stop
$443United Airlines
Booking Insights

KAYAK's insights & trends for Milwaukee to Ontario flights

Get data-powered insights and trends into flights from Milwaukee to Ontario to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Milwaukee to Ontario?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Milwaukee to Ontario, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Milwaukee to Ontario is January, when tickets cost $604 (return) on average. On the other hand, the most expensive months are December and May, when the average cost of round-trip tickets is $1,095 and $943 respectively.

Find deals

Good to know

Low season

September

Cheapest flight

$185
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly with an average 18% increase in price.
Flight from Milwaukee to Toronto

FAQs - booking Ontario flights

  • How does KAYAK find such low prices on flights from Milwaukee to Ontario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Milwaukee to Ontario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Milwaukee to Ontario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Milwaukee to Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Milwaukee to Ontario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Milwaukee to Ontario with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Milwaukee to Ontario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Milwaukee to Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Milwaukee to Ontario

Information on your arrival and departure airports

Milwaukee (MKE)