$210+ Cheap flights from Milwaukee (MKE) to Ontario
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — YYZ
5月 8 — 5月 151
Round-trip
1 adult, Economy
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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 4月 8, 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 4月 8, 2026.
This American Airlines deal was found by Cheapflights users on 4/6. 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.
火 6/26:08 am
MKE
- YYZ
1 stop7h 22m
American Airlines
土 6/63:13 pm
YYZ
- MKE
1 stop8h 11m
American Airlines
Deal found 4/6![American Airlines logo]()
$407
This American Airlines deal was found by Cheapflights users on 4/3. 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.
金 5/298:12 am
MKE
- YYZ
1 stop14h 12m
American Airlines
火 6/211:39 am
YYZ
- MKE
1 stop11h 45m
American Airlines
Deal found 4/3![American Airlines logo]()
$416
This American Airlines deal was found by Cheapflights users on 4/3. 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.
土 4/258:11 am
MKE
- YYZ
1 stop8h 32m
American Airlines
火 4/286:15 am
YYZ
- MKE
1 stop10h 41m
American Airlines
Deal found 4/3![American Airlines logo]()
$418
This American Airlines deal was found by Cheapflights users on 4/7. 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.
火 5/57:01 am
MKE
- YYZ
1 stop15h 28m
American Airlines
火 5/123:13 pm
YYZ
- MKE
1 stop7h 46m
American Airlines
Deal found 4/7![American Airlines logo]()
$419
This American Airlines deal was found by Cheapflights users on 4/6. 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.
金 5/156:40 pm
MKE
- YYZ
1 stop15h 13m
American Airlines
金 5/226:26 pm
YYZ
- MKE
1 stop14h 16m
American Airlines
Deal found 4/6![American Airlines logo]()
$426
This American Airlines deal was found by Cheapflights users on 4/5. 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.
金 5/156:40 pm
MKE
- YYZ
1 stop15h 13m
American Airlines
日 5/176:15 am
YYZ
- MKE
1 stop12h 45m
American Airlines
Deal found 4/5![American Airlines logo]()
$435
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
月 5/412:21 pm
MKE
- YYZ
2 stops30h 14m
Multiple Airlines
月 5/114:50 pm
YYZ
- MKE
1 stop17h 11m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$463
This American Airlines deal was found by Cheapflights users on 4/3. 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.
火 5/59:08 am
MKE
- YYZ
1 stop8h 25m
American Airlines
金 5/83:13 pm
YYZ
- MKE
1 stop9h 27m
American Airlines
Deal found 4/3![American Airlines logo]()
$465
This American Airlines deal was found by Cheapflights users on 4/3. 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.
月 5/115:37 pm
MKE
- YUL
1 stop17h 07m
American Airlines
水 5/1312:30 pm
YUL
- MKE
1 stop12h 10m
American Airlines
Deal found 4/3![American Airlines logo]()
$485
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
火 5/199:56 am
MKE
- YUL
2 stops27h 12m
Multiple Airlines
木 5/286:00 am
YUL
- MKE
1 stop3h 49m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$493
This American Airlines deal was found by Cheapflights users on 4/3. 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.
月 5/115:37 pm
MKE
- YUL
1 stop17h 07m
American Airlines
木 5/1412:30 pm
YUL
- MKE
1 stop8h 36m
American Airlines
Deal found 4/3![American Airlines logo]()
$495
This United Airlines deal was found by Cheapflights users on 4/6. 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.
月 4/272:32 pm
MKE
- YOW
1 stop6h 03m
United Airlines
木 4/3010:44 am
YOW
- MKE
1 stop6h 58m
United Airlines
Deal found 4/6![United Airlines logo]()
$496
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 4月 8, 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 4月 8, 2026.
This American Airlines deal was found by Cheapflights users on 4/5. 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.
金 5/156:40 pm
MKE
- YYZ
1 stop15h 13m
American Airlines
日 5/176:15 am
YYZ
- MKE
1 stop12h 45m
American Airlines
Deal found 4/5![American Airlines logo]()
$435
This United Airlines deal was found by Cheapflights users on 4/4. 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.
月 6/86:05 am
MKE
- YOW
1 stop6h 54m
United Airlines
水 6/1010:44 am
YOW
- MKE
1 stop4h 30m
United Airlines
Deal found 4/4![United Airlines logo]()
$496
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
月 4/2012:21 pm
MKE
- YYZ
1 stop24h 55m
Multiple Airlines
水 4/225:50 pm
YYZ
- MKE
2 stops18h 36m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$548
This Delta deal was found by Cheapflights users on 4/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
水 5/65:56 pm
MKE
- YYZ
1 stop14h 14m
Delta
土 5/910:00 am
YYZ
- MKE
1 stop9h 04m
Delta
Deal found 4/6![Delta logo]()
$597
This FlightHub deal was found by Cheapflights users on 4/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
水 5/137:00 am
MKE
- YUL
2 stops10h 20m
WestJet
月 5/186:00 am
YUL
- MKE
1 stop7h 28m
WestJet
Deal found 4/7![WestJet logo]()
$612
This Air Canada deal was found by Cheapflights users on 4/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
土 6/2010:38 am
MKE
- YXU
2 stops9h 59m
Air Canada
日 6/2112:20 pm
YXU
- MKE
2 stops11h 04m
Air Canada
Deal found 4/6![Air Canada logo]()
$900
This United Airlines deal was found by Cheapflights users on 4/2. 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.
火 6/210:38 am
MKE
- YOW
1 stop9h 57m
United Airlines
水 6/35:50 pm
YOW
- MKE
1 stop6h 44m
United Airlines
Deal found 4/2![United Airlines logo]()
$496
This American Airlines deal was found by Cheapflights users on 4/4. 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.
日 4/269:08 am
MKE
- YYZ
1 stop13h 21m
American Airlines
火 4/287:15 pm
YYZ
- MKE
1 stop13h 26m
American Airlines
Deal found 4/4![American Airlines logo]()
$512
This United Airlines deal was found by Cheapflights users on 4/3. 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.
月 4/272:32 pm
MKE
- YOW
1 stop6h 03m
United Airlines
木 4/305:25 pm
YOW
- MKE
1 stop6h 08m
United Airlines
Deal found 4/3![United Airlines logo]()
$496
This American Airlines deal was found by Cheapflights users on 4/5. 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.
木 5/146:40 pm
MKE
- YYZ
1 stop15h 13m
American Airlines
日 5/176:15 am
YYZ
- MKE
1 stop11h 52m
American Airlines
Deal found 4/5![American Airlines logo]()
$518
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
水 6/312:09 pm
MKE
- YYZ
2 stops27h 36m
Multiple Airlines
水 6/107:45 am
YYZ
- MKE
1 stop25h 13m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$592
This United Airlines deal was found by Cheapflights users on 4/5. 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.
月 5/45:55 am
MKE
- YOW
1 stop10h 12m
United Airlines
木 5/710:44 am
YOW
- MKE
1 stop6h 58m
United Airlines
Deal found 4/5![United Airlines logo]()
$496
This American Airlines deal was found by Cheapflights users on 4/3. 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.
金 7/31:14 pm
MKE
- YYZ
1 stop9h 15m
American Airlines
金 7/106:25 pm
YYZ
- MKE
1 stop14h 14m
American Airlines
Deal found 4/3![American Airlines logo]()
$534
This American Airlines deal was found by Cheapflights users on 4/4. 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.
水 5/136:00 am
MKE
- YUL
1 stop5h 18m
American Airlines
月 5/1812:30 pm
YUL
- MKE
1 stop10h 29m
American Airlines
Deal found 4/4![American Airlines logo]()
$545
This United Airlines deal was found by Cheapflights users on 4/2. 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.
火 5/266:05 am
MKE
- YYZ
1 stop8h 41m
United Airlines
木 5/284:00 pm
YYZ
- MKE
1 stop8h 59m
United Airlines
Deal found 4/2![United Airlines logo]()
$563
This American Airlines deal was found by Cheapflights users on 4/7. 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.
火 9/87:37 pm
MKE
- YUL
1 stop14h 38m
American Airlines
火 9/1512:30 pm
YUL
- MKE
1 stop8h 07m
American Airlines
Deal found 4/7![American Airlines logo]()
$558
This United Airlines deal was found by Cheapflights users on 4/5. 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.
月 6/16:05 am
MKE
- YYZ
1 stop8h 41m
United Airlines
火 6/22:45 pm
YYZ
- MKE
1 stop8h 39m
United Airlines
Deal found 4/5![United Airlines logo]()
$563
This United Airlines deal was found by Cheapflights users on 4/6. 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.
金 5/222:50 pm
MKE
- YYZ
1 stop7h 28m
United Airlines
月 5/259:00 pm
YYZ
- MKE
1 stop18h 14m
United Airlines
Deal found 4/6![United Airlines logo]()
$593
This United Airlines deal was found by Cheapflights users on 4/3. 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.
火 4/285:10 am
MKE
- YUL
1 stop4h 30m
United Airlines
水 4/295:00 pm
YUL
- MKE
1 stop5h 49m
United Airlines
Deal found 4/3![United Airlines logo]()
$596
This United Airlines deal was found by Cheapflights users on 4/5. 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.
木 5/287:30 am
MKE
- YUL
1 stop12h 56m
United Airlines
月 6/16:10 am
YUL
- MKE
1 stop14h 41m
United Airlines
Deal found 4/5![United Airlines logo]()
$596
This United Airlines deal was found by Cheapflights users on 4/4. 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.
水 5/136:49 am
MKE
- YUL
2 stops8h 21m
United Airlines
月 5/186:10 am
YUL
- MKE
1 stop9h 17m
United Airlines
Deal found 4/4![United Airlines logo]()
$606
This United Airlines deal was found by Cheapflights users on 4/3. 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.
月 5/113:25 pm
MKE
- YUL
2 stops7h 48m
United Airlines
水 5/139:45 am
YUL
- MKE
1 stop4h 26m
United Airlines
Deal found 4/3![United Airlines logo]()
$606
This Mytrip deal was found by Cheapflights users on 4/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
金 6/196:49 pm
MKE
- YXU
3 stops20h 56m
WestJet
日 6/216:10 am
YXU
- MKE
2 stops15h 12m
WestJet
Deal found 4/6![WestJet logo]()
$1,910
This United Airlines deal was found by Cheapflights users on 4/6. 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.
金 6/1912:15 pm
MKE
- YXU
2 stops8h 22m
United Airlines
日 6/215:10 am
YXU
- MKE
2 stops8h 38m
United Airlines
Deal found 4/6![United Airlines logo]()
$900
This United Airlines deal was found by Cheapflights users on 4/6. 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.
金 5/227:00 pm
MKE
- YXU
2 stops15h 43m
United Airlines
金 5/295:10 am
YXU
- MKE
2 stops6h 58m
United Airlines
Deal found 4/6![United Airlines logo]()
$925
This United Airlines deal was found by Cheapflights users on 4/7. 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.
日 4/197:50 am
MKE
- YXU
2 stops12h 29m
United Airlines
火 4/215:10 am
YXU
- MKE
2 stops14h 37m
United Airlines
Deal found 4/7![United Airlines logo]()
$1,117
Last-minute flights from Milwaukee to OntarioDiscover last-minute flight deals from Milwaukee to Ontario. Data last updated 4月 8, 2026 and is based on user searches.
Discover last-minute flight deals from Milwaukee to Ontario. Data last updated 4月 8, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/3. 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.
土 4/258:11 am
MKE
- YYZ
1 stop8h 32m
American Airlines
火 4/286:15 am
YYZ
- MKE
1 stop10h 41m
American Airlines
Deal found 4/3![American Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 4/6. 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.
月 4/272:32 pm
MKE
- YOW
1 stop6h 03m
United Airlines
木 4/3010:44 am
YOW
- MKE
1 stop6h 58m
United Airlines
Deal found 4/6![United Airlines logo]()
$496
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
月 5/412:21 pm
MKE
- YYZ
2 stops30h 14m
Multiple Airlines
月 5/114:50 pm
YYZ
- MKE
1 stop17h 11m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$463
This American Airlines deal was found by Cheapflights users on 4/7. 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.
火 5/57:01 am
MKE
- YYZ
1 stop15h 28m
American Airlines
火 5/123:13 pm
YYZ
- MKE
1 stop7h 46m
American Airlines
Deal found 4/7![American Airlines logo]()
$419
This American Airlines deal was found by Cheapflights users on 4/3. 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.
火 5/59:08 am
MKE
- YYZ
1 stop8h 25m
American Airlines
金 5/83:13 pm
YYZ
- MKE
1 stop9h 27m
American Airlines
Deal found 4/3![American Airlines logo]()
$465
This American Airlines deal was found by Cheapflights users on 4/3. 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.
月 5/115:37 pm
MKE
- YUL
1 stop17h 07m
American Airlines
水 5/1312:30 pm
YUL
- MKE
1 stop12h 10m
American Airlines
Deal found 4/3![American Airlines logo]()
$485
This American Airlines deal was found by Cheapflights users on 4/3. 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.
月 5/115:37 pm
MKE
- YUL
1 stop17h 07m
American Airlines
木 5/1412:30 pm
YUL
- MKE
1 stop8h 36m
American Airlines
Deal found 4/3![American Airlines logo]()
$495
This American Airlines deal was found by Cheapflights users on 4/6. 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.
金 5/156:40 pm
MKE
- YYZ
1 stop15h 13m
American Airlines
金 5/226:26 pm
YYZ
- MKE
1 stop14h 16m
American Airlines
Deal found 4/6![American Airlines logo]()
$426
This American Airlines deal was found by Cheapflights users on 4/5. 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.
金 5/156:40 pm
MKE
- YYZ
1 stop15h 13m
American Airlines
日 5/176:15 am
YYZ
- MKE
1 stop12h 45m
American Airlines
Deal found 4/5![American Airlines logo]()
$435
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
火 5/199:56 am
MKE
- YUL
2 stops27h 12m
Multiple Airlines
木 5/286:00 am
YUL
- MKE
1 stop3h 49m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$493
This American Airlines deal was found by Cheapflights users on 4/5. 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.
水 5/201:53 pm
MKE
- YYZ
1 stop8h 36m
American Airlines
水 5/271:15 pm
YYZ
- MKE
1 stop8h 49m
American Airlines
Deal found 4/5![American Airlines logo]()
$489
This American Airlines deal was found by Cheapflights users on 4/3. 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.
金 5/298:12 am
MKE
- YYZ
1 stop14h 12m
American Airlines
火 6/211:39 am
YYZ
- MKE
1 stop11h 45m
American Airlines
Deal found 4/3![American Airlines logo]()
$416
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 4月 8, 2026.
Search for one-way flight options from Milwaukee to Ontario. Find affordable one-way fares based on user searches. Data last updated 4月 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
火 5/199:56 am
MKE
- YYZ
2 stops34h 59m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$210
This United Airlines deal was found by Cheapflights users on 4/5. 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.
月 7/136:05 am
MKE
- YOW
1 stop6h 54m
United Airlines
Deal found 4/5![United Airlines logo]()
$219
This United Airlines deal was found by Cheapflights users on 4/5. 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.
水 7/156:05 am
MKE
- YOW
2 stops7h 12m
United Airlines
Deal found 4/5![United Airlines logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
日 6/218:43 am
MKE
- YYZ
1 stop10h 22m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
木 5/72:50 pm
MKE
- YYZ
3 stops26h 48m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$243
This American Airlines deal was found by Cheapflights users on 4/7. 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.
火 9/87:37 pm
MKE
- YUL
1 stop14h 38m
American Airlines
Deal found 4/7![American Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 4/5. 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.
金 5/2212:09 pm
MKE
- YYZ
3 stops30h 26m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$255
This American Airlines deal was found by Cheapflights users on 4/5. 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.
火 6/236:08 am
MKE
- YYZ
1 stop10h 36m
American Airlines
Deal found 4/5![American Airlines logo]()
$257
This United Airlines deal was found by Cheapflights users on 4/3. 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.
月 6/2210:38 am
MKE
- YYZ
1 stop11h 48m
United Airlines
Deal found 4/3![United Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
日 6/217:05 am
MKE
- YYZ
2 stops33h 10m
WestJet
Deal found 4/3![WestJet logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
月 6/2212:08 pm
MKE
- YYZ
2 stops27h 37m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$269
This American Airlines deal was found by Cheapflights users on 4/5. 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.
土 5/236:51 pm
MKE
- YYZ
1 stop15h 08m
American Airlines
Deal found 4/5![American Airlines logo]()
$271
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 4月 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $407 (American Airlines) |
One-way from | $210 (Kiwi.com) |
Popular in | October |
Cheapest in | September |
Average price | $587 |
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 2,558,603 searches. Data last updated 4月 8, 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 - YYZ
MKEYYZ
Milwaukee-Mitchell
金 5/15
6:40 pm-10:53 am
1 stop15h 13m
Toronto Pearson Intl
日 5/17
6:15 am-6:00 pm
1 stop12h 45m
$435
MilwaukeeOttawa
MKE - YOW
MKEYOW
Milwaukee-Mitchell
月 6/8
6:05 am-1:59 pm
1 stop6h 54m
Ottawa
水 6/10
10:44 am-2:14 pm
1 stop4h 30m
$496
MilwaukeeOttawa
MKE - YOW
MKEYOW
Milwaukee-Mitchell
火 6/2
10:38 am-9:35 pm
1 stop9h 57m
Ottawa
水 6/3
5:50 pm-11:34 pm
1 stop6h 44m
$496
MilwaukeeOttawa
MKE - YOW
MKEYOW
Milwaukee-Mitchell
月 4/27
2:32 pm-9:35 pm
1 stop6h 03m
Ottawa
木 4/30
5:25 pm-10:33 pm
1 stop6h 08m
$496
MilwaukeeOttawa
MKE - YOW
MKEYOW
Milwaukee-Mitchell
月 5/4
5:55 am-5:07 pm
1 stop10h 12m
Ottawa
木 5/7
10:44 am-4:42 pm
1 stop6h 58m
$496
MilwaukeeToronto
MKE - YYZ
MKEYYZ
Milwaukee-Mitchell
日 4/26
9:08 am-11:29 pm
1 stop13h 21m
Toronto Pearson Intl
火 4/28
7:15 pm-7:41 am
1 stop13h 26m
$512
MilwaukeeToronto
MKE - YYZ
MKEYYZ
Milwaukee-Mitchell
木 5/14
6:40 pm-10:53 am
1 stop15h 13m
Toronto Pearson Intl
日 5/17
6:15 am-5:07 pm
1 stop11h 52m
$518
MilwaukeeToronto
MKE - YYZ
MKEYYZ
Milwaukee-Mitchell
金 7/3
1:14 pm-11:29 pm
1 stop9h 15m
Toronto Pearson Intl
金 7/10
6:25 pm-7:39 am
1 stop14h 14m
$534
MilwaukeeMontreal
MKE - YUL
MKEYUL
Milwaukee-Mitchell
水 5/13
6:00 am-12:18 pm
1 stop5h 18m
Montreal Pierre Elliott Trudeau Intl
月 5/18
12:30 pm-9:59 pm
1 stop10h 29m
$545
MilwaukeeToronto
MKE - YYZ
MKEYYZ
Milwaukee-Mitchell
月 4/20
12:21 pm-2:16 pm
1 stop24h 55m
Toronto Pearson Intl
水 4/22
5:50 pm-11:26 am
2 stops18h 36m
$548
Showing 1-10 of 49 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
MKE-YUL
MKE-YXU
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
MKE-YUL
MKE-YXU
What is the cheapest month to book a flight from Milwaukee to Region of Ontario?
Currently, October is the cheapest month in which you can book a flight from Milwaukee to Region of Ontario (average of $84). Flying from Milwaukee to Region of Ontario in February is currently the most expensive (average of $189). 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?
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 4月 8, 2026.
See what other customers who have flown with Delta,United Airlines, andWestJet 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.
Comfort
7.9
Food
7.2
Entertainment
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Food
7.2
Entertainment
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Food
7.2
Entertainment
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Food
7.2
Entertainment
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Food
7.2
Entertainment
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - 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
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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 4月 8, 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 2,558,603 searches. Data last updated 4月 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$362 | Average$572 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$368 | Average$590 | FlexibilityNo cancel fee | On-time71% |