Cheap flights from Ontario to Milwaukee from C$ 295
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/11. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Ontario to Milwaukee
Cheapest flights from Ontario to MilwaukeeExplore the most affordable flight options available from Ontario to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 October 2026.
Explore the most affordable flight options available from Ontario to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 October 2026.
Best flights from Ontario to MilwaukeeDiscover carefully curated flight deals from Ontario to Milwaukee that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 9 October 2026.
Discover carefully curated flight deals from Ontario to Milwaukee that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 9 October 2026.
Last-minute flights from Ontario to MilwaukeeDiscover last-minute flight deals from Ontario to Milwaukee. Data last updated 9 October 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Milwaukee. Data last updated 9 October 2026 and is based on user searches.
One-way flights from Ontario to MilwaukeeSearch for one-way flight options from Ontario to Milwaukee. Find affordable one-way fares based on user searches. Data last updated 9 October 2026.
Search for one-way flight options from Ontario to Milwaukee. Find affordable one-way fares based on user searches. Data last updated 9 October 2026.
Find flight deals from Ontario to Milwaukee
Keep the following information in mind while searching for Ontario to Milwaukee flight deals. Data was last updated 9 October 2026.
Cheapflights Fare Finder
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
TorontoMilwaukee
YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell
YYZMKE
Toronto Pearson Intl
Wed 18/11
2:35 p.m.-10:15 p.m.
1 stop8h 40m
Milwaukee-Mitchell
Wed 31/12
12:00 a.m.-1:00 a.m.
Nonstop0h 00m
TorontoMilwaukee
YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell
YYZMKE
Toronto Pearson Intl
Wed 9/12
12:55 p.m.-9:55 p.m.
2 stops10h 00m
Milwaukee-Mitchell
Wed 31/12
12:00 a.m.-1:00 a.m.
Nonstop0h 00m
TorontoMilwaukee
YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell
YYZMKE
Toronto Pearson Intl
Wed 18/11
12:55 p.m.-8:50 p.m.
2 stops8h 55m
Milwaukee-Mitchell
Wed 31/12
12:00 a.m.-1:00 a.m.
Nonstop0h 00m
TorontoMilwaukee
YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell
YYZMKE
Toronto Pearson Intl
Fri 6/11
2:30 p.m.-9:24 p.m.
1 stop7h 54m
Milwaukee-Mitchell
Wed 31/12
12:00 a.m.-1:00 a.m.
Nonstop0h 00m
TorontoMilwaukee
YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell
YYZMKE
Toronto Pearson Intl
Sun 15/11
6:30 a.m.-10:12 a.m.
1 stop4h 42m
Milwaukee-Mitchell
Wed 31/12
12:00 a.m.-1:00 a.m.
Nonstop0h 00m
TorontoMilwaukee
YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell
YYZMKE
Toronto Pearson Intl
Mon 9/11
3:57 p.m.-11:06 p.m.
1 stop8h 09m
Milwaukee-Mitchell
Wed 31/12
12:00 a.m.-1:00 a.m.
Nonstop0h 00m
TorontoMilwaukee
YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell
YYZMKE
Toronto Pearson Intl
Mon 23/11
12:55 p.m.-6:58 p.m.
2 stops7h 03m
Milwaukee-Mitchell
Wed 31/12
12:00 a.m.-1:00 a.m.
Nonstop0h 00m
TorontoMilwaukee
YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell
YYZMKE
Toronto Pearson Intl
Fri 20/11
12:55 p.m.-8:50 p.m.
2 stops8h 55m
Milwaukee-Mitchell
Wed 31/12
12:00 a.m.-1:00 a.m.
Nonstop0h 00m
TorontoMilwaukee
YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell
YYZMKE
Toronto Pearson Intl
Mon 9/11
7:43 a.m.-5:03 p.m.
2 stops10h 20m
Milwaukee-Mitchell
Wed 31/12
12:00 a.m.-1:00 a.m.
Nonstop0h 00m
TorontoMilwaukee
YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell
YYZMKE
Toronto Pearson Intl
Sat 21/11
9:44 a.m.-5:03 p.m.
2 stops8h 19m
Milwaukee-Mitchell
Wed 31/12
12:00 a.m.-1:00 a.m.
Nonstop0h 00m
Best time to book a flight from Ontario to Milwaukee
Have a flexible travel schedule? Discover the best time to fly to Milwaukee from Ontario with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Milwaukee
What is the cheapest month to book a flight from Region of Ontario to Milwaukee?
Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Milwaukee (average of C$ 630). Flying from Region of Ontario to Milwaukee in June is currently the most expensive (average of C$ 979). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Related info for your journey
Find useful and relevant information for your journey from Ontario to Milwaukee. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ontario to Milwaukee
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Milwaukee by adding a car rental and/or hotel reservation to your travel itinerary.
Direct flights to United States
Book a non-stop flight to one of these other cities located in United States.
Search flights from Ontario to Milwaukee by cabin class
Find flights from Ontario to Milwaukee, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Milwaukee flights
Browse other Ontario and Milwaukee flight options. Last updated on 9 October 2026.
Popular flight searches
Check out other popular destinations found by fellow travellers in 2026
Ontario to Milwaukee flights
Consider these flights travelling from Ontario to Milwaukee.
Top airline flying from Ontario to Milwaukee
Discover the top airline that operate flights from Ontario to Milwaukee. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 9 October 2026.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Ontario to Milwaukee?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Milwaukee from Ontario today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Ontario to Milwaukee?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to Milwaukee for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Ontario to Milwaukee with no change fees?
Need flexible booking options for your flight to Milwaukee from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Ontario to Milwaukee become cheaper?
Yes, Cheapflights offers price alerts on Ontario to Milwaukee flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.