$173+ Cheap flights from Milwaukee (MKE) to Ontario
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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — YYZ
Dec 4 — Dec 111
Round-trip
1 adult, Economy
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Find cheap flights from Milwaukee to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Milwaukee to Ontario
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Cheapest flights from Milwaukee to OntarioExplore the most affordable flight options available from Milwaukee to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2026.
Explore the most affordable flight options available from Milwaukee to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2026.
This Thrive Travel deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:04 am -
1 stop17h 42m
Wed 11/181:17 pm -
1 stop10h 20m
Deal found 11/2![Multiple Airlines logo]()
$437
This Thrive Travel deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:00 am -
1 stop6h 31m
Tue 12/87:09 am -
1 stop16h 28m
Deal found 11/3![Multiple Airlines logo]()
$457
This Thrive Travel deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:04 am -
1 stop17h 42m
Wed 11/187:09 am -
1 stop8h 13m
Deal found 11/2![Multiple Airlines logo]()
$513
This American Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:08 am -
1 stop10h 25m
Tue 12/812:30 pm -
1 stop12h 29m
Deal found 11/3![American Airlines logo]()
$538
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:08 am -
1 stop10h 25m
Thu 12/312:30 pm -
1 stop12h 29m
Deal found 11/4![American Airlines logo]()
$547
This American Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:00 am -
1 stop10h 31m
Sun 12/67:09 am -
1 stop8h 12m
Deal found 11/1![American Airlines logo]()
$566
This American Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1512:09 pm -
1 stop10h 32m
Tue 12/227:14 am -
1 stop10h 10m
Deal found 10/31![American Airlines logo]()
$578
This American Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2010:47 am -
1 stop5h 20m
Mon 11/2312:42 pm -
1 stop11h 56m
Deal found 10/31![American Airlines logo]()
$582
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/125:00 am -
1 stop10h 30m
Sun 12/1311:36 am -
1 stop8h 07m
Deal found 11/4![American Airlines logo]()
$585
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:00 am -
1 stop10h 30m
Sun 12/63:22 pm -
1 stop8h 15m
Deal found 11/2![American Airlines logo]()
$588
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:00 am -
1 stop3h 47m
Tue 11/1712:55 pm -
1 stop10h 55m
Deal found 11/2![United Airlines logo]()
$590
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/185:47 pm -
1 stop29h 20m
Mon 1/185:30 am -
2 stops15h 42m
Deal found 10/31![Multiple Airlines logo]()
$817
Best flights from Milwaukee to OntarioDiscover carefully curated flight deals from Milwaukee to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
Discover carefully curated flight deals from Milwaukee to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/126:50 pm -
1 stop4h 09m
Wed 1/1312:55 pm -
1 stop5h 53m
Deal found 11/2![United Airlines logo]()
$615
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:00 am -
2 stops6h 25m
Tue 12/812:55 pm -
1 stop6h 08m
Deal found 11/3![United Airlines logo]()
$625
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/283:33 pm -
1 stop4h 42m
Mon 11/306:45 am -
1 stop4h 28m
Deal found 11/4![United Airlines logo]()
$633
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/163:33 pm -
2 stops7h 19m
Wed 11/1810:53 am -
1 stop5h 05m
Deal found 11/2![United Airlines logo]()
$643
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/33:48 pm -
1 stop4h 27m
Sun 12/65:55 pm -
1 stop6h 00m
Deal found 10/31![United Airlines logo]()
$651
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/138:30 am -
1 stop4h 33m
Sun 1/38:40 pm -
1 stop14h 44m
Deal found 11/3![United Airlines logo]()
$651
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/187:00 pm -
1 stop3h 59m
Fri 12/256:45 am -
1 stop6h 30m
Deal found 11/2![United Airlines logo]()
$651
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/202:23 pm -
1 stop5h 52m
Sun 11/222:45 pm -
2 stops8h 30m
Deal found 10/31![United Airlines logo]()
$661
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:00 am -
2 stops7h 25m
Sun 12/65:55 pm -
1 stop4h 00m
Deal found 11/2![United Airlines logo]()
$661
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/128:40 am -
1 stop4h 29m
Sun 1/244:36 pm -
1 stop5h 23m
Deal found 10/31![United Airlines logo]()
$916
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/52:40 pm -
1 stop5h 43m
Mon 2/86:15 am -
1 stop9h 55m
Deal found 11/2![United Airlines logo]()
$916
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/196:29 am -
1 stop14h 27m
Sun 1/104:36 pm -
1 stop6h 55m
Deal found 10/31![United Airlines logo]()
$916
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/67:39 am -
1 stop5h 30m
Thu 1/76:15 am -
1 stop11h 31m
Deal found 11/3![United Airlines logo]()
$916
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/162:38 pm -
1 stop5h 38m
Wed 12/236:15 am -
1 stop13h 41m
Deal found 11/1![United Airlines logo]()
$916
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/308:00 am -
1 stop5h 09m
Thu 12/36:15 am -
1 stop8h 17m
Deal found 10/31![United Airlines logo]()
$916
Last-minute flights from Milwaukee to OntarioDiscover last-minute flight deals from Milwaukee to Ontario. Data last updated November 4, 2026 and is based on user searches.
Discover last-minute flight deals from Milwaukee to Ontario. Data last updated November 4, 2026 and is based on user searches.
This Thrive Travel deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:04 am -
1 stop17h 42m
Wed 11/181:17 pm -
1 stop10h 20m
Deal found 11/2![Multiple Airlines logo]()
$437
This Thrive Travel deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:04 am -
1 stop17h 42m
Wed 11/187:09 am -
1 stop8h 13m
Deal found 11/2![Multiple Airlines logo]()
$513
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:00 am -
1 stop3h 47m
Tue 11/1712:55 pm -
1 stop10h 55m
Deal found 11/2![United Airlines logo]()
$590
This American Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2010:47 am -
1 stop5h 20m
Mon 11/2312:42 pm -
1 stop11h 56m
Deal found 10/31![American Airlines logo]()
$582
This Thrive Travel deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:00 am -
1 stop6h 31m
Tue 12/87:09 am -
1 stop16h 28m
Deal found 11/3![Multiple Airlines logo]()
$457
This American Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:08 am -
1 stop10h 25m
Tue 12/812:30 pm -
1 stop12h 29m
Deal found 11/3![American Airlines logo]()
$538
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:08 am -
1 stop10h 25m
Thu 12/312:30 pm -
1 stop12h 29m
Deal found 11/4![American Airlines logo]()
$547
This American Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:00 am -
1 stop10h 31m
Sun 12/67:09 am -
1 stop8h 12m
Deal found 11/1![American Airlines logo]()
$566
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:00 am -
1 stop10h 30m
Sun 12/63:22 pm -
1 stop8h 15m
Deal found 11/2![American Airlines logo]()
$588
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/125:00 am -
1 stop10h 30m
Sun 12/1311:36 am -
1 stop8h 07m
Deal found 11/4![American Airlines logo]()
$585
This American Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1512:09 pm -
1 stop10h 32m
Tue 12/227:14 am -
1 stop10h 10m
Deal found 10/31![American Airlines logo]()
$578
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/185:47 pm -
1 stop29h 20m
Mon 1/185:30 am -
2 stops15h 42m
Deal found 10/31![Multiple Airlines logo]()
$817
One-way flights from Milwaukee to OntarioSearch for one-way flight options from Milwaukee to Ontario. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
Search for one-way flight options from Milwaukee to Ontario. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:24 pm -
1 stop19h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Multiple Airlines logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:13 pm -
3 stops51h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Multiple Airlines logo]()
$215
This Thrive Travel deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:40 am -
1 stop14h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Porter Airlines logo]()
$227
This American Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/75:00 am -
1 stop10h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![American Airlines logo]()
$228
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:00 am -
1 stop10h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![American Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/64:25 pm -
2 stops37h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Multiple Airlines logo]()
$259
This American Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/265:00 am -
1 stop11h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![American Airlines logo]()
$262
This Thrive Travel deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1810:08 am -
1 stop6h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Porter Airlines logo]()
$263
This Thrive Travel deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:00 am -
2 stops26h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Qantas Airways logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/54:25 pm -
2 stops37h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Multiple Airlines logo]()
$276
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/52:38 pm -
1 stop8h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![United Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/185:47 pm -
2 stops22h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Multiple Airlines logo]()
$290
Find flight deals from Milwaukee to Ontario
Keep the following information in mind while searching for Milwaukee to Ontario flight deals. Data was last updated November 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $437 (Thrive Travel) |
One-way from | $173 (Kiwi.com) |
Popular in | May |
Cheapest in | October |
Average price | $725 |
Cheapflights Fare Finder
Customize your flight search to find flights from Milwaukee to 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, Cheapflights users made 7,457,451 searches. Data last updated November 4, 2026.
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
Cheapest round-trip
MilwaukeeToronto
MKE Milwaukee-Mitchell - YYZ Toronto Pearson Intl
MKEYYZ
Milwaukee-Mitchell
Mon 11/9
8:40 am-11:46 pm
1 stop14h 06m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$227
MilwaukeeToronto
MKE Milwaukee-Mitchell - YYZ Toronto Pearson Intl
MKEYYZ
Milwaukee-Mitchell
Fri 12/18
10:08 am-5:40 pm
1 stop6h 32m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$263
MilwaukeeToronto
MKE Milwaukee-Mitchell - YYZ Toronto Pearson Intl
MKEYYZ
Milwaukee-Mitchell
Thu 11/26
7:00 am-10:59 am
2 stops26h 59m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$269
MilwaukeeToronto
MKE Milwaukee-Mitchell - YYZ Toronto Pearson Intl
MKEYYZ
Milwaukee-Mitchell
Tue 12/8
9:15 am-4:47 pm
1 stop6h 32m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$278
MilwaukeeToronto
MKE Milwaukee-Mitchell - YYZ Toronto Pearson Intl
MKEYYZ
Milwaukee-Mitchell
Wed 12/9
12:40 pm-11:26 pm
1 stop9h 46m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$278
Quickest round-trip
MilwaukeeToronto
MKE Milwaukee-Mitchell - YYZ Toronto Pearson Intl
MKEYYZ
Milwaukee-Mitchell
Mon 11/16
5:00 am-9:47 am
1 stop3h 47m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$286
MilwaukeeToronto
MKE Milwaukee-Mitchell - YYZ Toronto Pearson Intl
MKEYYZ
Milwaukee-Mitchell
Thu 12/3
8:30 am-2:03 pm
1 stop4h 33m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$297
MilwaukeeToronto
MKE Milwaukee-Mitchell - YYZ Toronto Pearson Intl
MKEYYZ
Milwaukee-Mitchell
Thu 12/10
6:00 am-9:15 pm
1 stop14h 15m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$297
MilwaukeeToronto
MKE Milwaukee-Mitchell - YYZ Toronto Pearson Intl
MKEYYZ
Milwaukee-Mitchell
Sun 12/6
4:25 pm-9:20 pm
3 stops27h 55m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$299
MilwaukeeToronto
MKE Milwaukee-Mitchell - YYZ Toronto Pearson Intl
MKEYYZ
Milwaukee-Mitchell
Thu 11/26
10:48 am-7:01 pm
2 stops7h 13m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$302
Showing 1-10 of 33 resultsSorted by cheapest first
Best time to book a flight from Milwaukee to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Milwaukee with our price prediction graph.
MKE-YYZ
MKE-YOW
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Milwaukee to Ontario
MKE-CAON
MKE-YYZ
MKE-YOW
What is the cheapest month to book a flight from Milwaukee to Region of Ontario?
Currently, September is the cheapest month in which you can book a flight from Milwaukee to Region of Ontario (average of $580). Flying from Milwaukee to Region of Ontario in December is currently the most expensive (average of $1,095). 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.
How much does it cost to fly round-trip from Milwaukee to Region of Ontario?
Airfare is typical for this route at the moment.
Milwaukee to Region of Ontario flights typically cost between $446 and $651 in December.The cheapest round-trip price found within the last 5 days was $457 on Multiple Airlines (Dec 1-Dec 8).
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated November 4, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Milwaukee to Ontario have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Crew
8.5
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Crew
8.5
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Crew
8.5
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Related info for your journey
Find useful and relevant information for your journey from Milwaukee to Ontario. 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 Milwaukee to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Milwaukee to Ontario by cabin class
Find flights from Milwaukee to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Milwaukee and Ontario flights
Browse other Milwaukee and Ontario flight options. Last updated on November 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Milwaukee to Ontario flights
Consider these flights traveling from Milwaukee to Ontario.
Top 2 airlines flying from Milwaukee to Ontario
Discover the top 2 airlines that operate flights from Milwaukee to Ontario. 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 November 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$348 | Average$572 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$417 | Average$553 | FlexibilityNo cancel fee | On-time71% |