$79+ Cheap flights from Ontario (ONT) to Michigan
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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DTW
Aug 30 — Sep 61
Round-trip
1 adult, Economy
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Cheapest flights from Ontario to MichiganExplore the most affordable flight options available from Ontario to Michigan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2026.
Explore the most affordable flight options available from Ontario to Michigan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2026.
This deal was found by Cheapflights users on 7/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:30 am
ONT
- DTW
1 stop7h 45m
Frontier
Mon 11/235:49 pm
DTW
- ONT
1 stop8h 46m
Frontier
Deal found 7/29![Frontier logo]()
$202
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:00 am
ONT
- GRR
1 stop10h 06m
Frontier
Mon 8/248:01 pm
GRR
- ONT
1 stop6h 49m
Frontier
Deal found 7/30![Frontier logo]()
$224
This CheapOair deal was found by Cheapflights users on 7/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:15 am
ONT
- GRR
1 stop6h 11m
Frontier
Mon 10/511:59 am
GRR
- ONT
1 stop14h 48m
Frontier
Deal found 7/30![Frontier logo]()
$234
This Frontier deal was found by Cheapflights users on 7/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:00 am
ONT
- GRR
1 stop10h 06m
Frontier
Mon 8/318:01 pm
GRR
- ONT
1 stop6h 49m
Frontier
Deal found 7/31![Frontier logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 9/148:11 pm
ONT
- DTW
1 stop21h 12m
Frontier
Tue 9/229:08 pm
DTW
- ONT
1 stop24h 08m
Frontier
Deal found 7/29![Frontier logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Wed 9/237:11 pm
ONT
- DTW
1 stop23h 21m
Frontier
Mon 9/2810:27 pm
DTW
- ONT
1 stop21h 19m
Frontier
Deal found 7/29![Frontier logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Wed 8/2610:59 am
ONT
- DTW
1 stop28h 56m
Frontier
Sun 8/307:30 pm
DTW
- ONT
1 stop16h 08m
Frontier
Deal found 7/28![Frontier logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Wed 9/97:11 pm
ONT
- DTW
1 stop11h 41m
Frontier
Wed 9/1610:37 am
DTW
- ONT
1 stop10h 39m
Frontier
Deal found 7/30![Frontier logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Wed 9/911:45 am
ONT
- DTW
2 stops28h 55m
Frontier
Tue 9/1510:37 am
DTW
- ONT
1 stop9h 09m
Frontier
Deal found 7/30![Frontier logo]()
$257
This CheapOair deal was found by Cheapflights users on 7/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:45 am
ONT
- GRR
1 stop24h 41m
Frontier
Mon 10/511:59 am
GRR
- ONT
1 stop25h 31m
Frontier
Deal found 7/30![Frontier logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Wed 9/911:45 am
ONT
- DTW
2 stops28h 55m
Frontier
Fri 9/1810:29 pm
DTW
- ONT
1 stop21h 17m
Frontier
Deal found 7/30![Frontier logo]()
$260
This CheapOair deal was found by Cheapflights users on 7/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:45 am
ONT
- GRR
1 stop24h 41m
Frontier
Mon 9/2811:59 am
GRR
- ONT
1 stop14h 48m
Frontier
Deal found 7/31![Frontier logo]()
$261
Best flights from Ontario to MichiganDiscover carefully curated flight deals from Ontario to Michigan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2026.
Discover carefully curated flight deals from Ontario to Michigan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Thu 11/511:19 am
ONT
- RFD
1 stop6h 43m
Multiple Airlines
Sun 11/81:08 pm
RFD
- ONT
2 stops36h 47m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$280
This Frontier deal was found by Cheapflights users on 7/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:49 am
ONT
- DTW
1 stop10h 10m
Frontier
Mon 8/318:30 am
DTW
- ONT
1 stop10h 52m
Frontier
Deal found 7/31![Frontier logo]()
$300
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/711:55 pm
ONT
- MDW
Nonstop3h 50m
Southwest
Wed 9/95:25 pm
MDW
- ONT
Nonstop4h 15m
Southwest
Deal found 7/30![Southwest logo]()
$300
This United Airlines deal was found by Cheapflights users on 7/26. 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 9/77:00 am
ONT
- ORD
Nonstop4h 10m
United Airlines
Wed 9/96:00 am
ORD
- ONT
1 stop8h 12m
United Airlines
Deal found 7/26![United Airlines logo]()
$311
This Delta deal was found by Cheapflights users on 7/28. 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.
Thu 8/2710:00 pm
ONT
- MDW
1 stop9h 59m
Delta
Tue 9/110:54 am
MDW
- ONT
2 stops13h 29m
Delta
Deal found 7/28![Delta logo]()
$314
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:14 pm
ONT
- ORD
1 stop13h 06m
Alaska Airlines
Mon 9/286:00 am
ORD
- ONT
2 stops12h 10m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$434
This KAYAK deal was found by Cheapflights users on 7/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1612:59 pm
ONT
- DTW
1 stop6h 58m
American Airlines
Thu 8/207:44 am
DTW
- ONT
1 stop8h 47m
American Airlines
Deal found 7/30![American Airlines logo]()
$582
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Thu 11/1211:19 am
ONT
- RFD
1 stop6h 43m
Multiple Airlines
Sun 11/158:37 pm
RFD
- ONT
2 stops19h 03m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$293
This Southwest deal was found by Cheapflights users on 7/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:55 pm
ONT
- MDW
Nonstop3h 50m
Southwest
Thu 9/172:00 pm
MDW
- ONT
Nonstop4h 10m
Southwest
Deal found 7/27![Southwest logo]()
$300
This Delta deal was found by Cheapflights users on 7/29. 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.
Fri 8/219:43 am
ONT
- ORD
1 stop6h 36m
Delta
Thu 8/275:30 am
ORD
- ONT
1 stop7h 12m
Delta
Deal found 7/29![Delta logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Thu 9/172:30 pm
ONT
- RFD
2 stops25h 41m
Multiple Airlines
Sun 9/209:29 pm
RFD
- ONT
1 stop11h 35m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$297
This Frontier deal was found by Cheapflights users on 7/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:45 am
ONT
- DTW
1 stop9h 21m
Frontier
Mon 9/2810:37 am
DTW
- ONT
1 stop11h 02m
Frontier
Deal found 7/31![Frontier logo]()
$328
This United Airlines deal was found by Cheapflights users on 7/29. 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 9/226:00 am
ONT
- GRR
1 stop7h 10m
United Airlines
Sat 9/262:15 pm
GRR
- ONT
2 stops9h 43m
United Airlines
Deal found 7/29![United Airlines logo]()
$335
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:55 pm
ONT
- MDW
Nonstop3h 45m
Southwest
Fri 11/610:15 am
MDW
- ONT
2 stops7h 10m
Southwest
Deal found 7/30![Southwest logo]()
$312
This Delta deal was found by Cheapflights users on 7/28. 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.
Thu 11/1212:22 pm
ONT
- GRR
1 stop8h 32m
Delta
Mon 11/161:43 pm
GRR
- ONT
1 stop7h 48m
Delta
Deal found 7/28![Delta logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Thu 8/2011:15 am
ONT
- RFD
1 stop7h 30m
Multiple Airlines
Sun 8/239:35 pm
RFD
- ONT
1 stop12h 28m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$300
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:55 pm
ONT
- MDW
Nonstop3h 45m
Southwest
Fri 10/233:45 pm
MDW
- ONT
2 stops8h 30m
Southwest
Deal found 7/30![Southwest logo]()
$316
This United Airlines deal was found by Cheapflights users on 7/26. 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 8/271:18 pm
ONT
- ORD
1 stop7h 27m
United Airlines
Mon 8/318:06 pm
ORD
- ONT
Nonstop4h 29m
United Airlines
Deal found 7/26![United Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Thu 10/2911:19 am
ONT
- RFD
1 stop6h 11m
Multiple Airlines
Sun 11/81:08 pm
RFD
- ONT
2 stops50h 32m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$315
This United Airlines deal was found by Cheapflights users on 7/27. 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 8/241:18 pm
ONT
- ORD
1 stop7h 28m
United Airlines
Wed 9/28:06 pm
ORD
- ONT
Nonstop4h 29m
United Airlines
Deal found 7/27![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 7/28. 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.
Fri 11/1311:10 pm
ONT
- SBN
2 stops12h 19m
Delta
Tue 11/176:00 am
SBN
- ONT
1 stop8h 10m
Delta
Deal found 7/28![Delta logo]()
$364
This United Airlines deal was found by Cheapflights users on 7/28. 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 11/147:00 am
ONT
- ORD
Nonstop4h 10m
United Airlines
Wed 11/182:30 pm
ORD
- ONT
1 stop8h 21m
United Airlines
Deal found 7/28![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:55 pm
ONT
- MDW
Nonstop3h 50m
Southwest
Sat 9/126:00 pm
MDW
- ONT
Nonstop4h 15m
Southwest
Deal found 7/26![Southwest logo]()
$350
This United Airlines deal was found by Cheapflights users on 7/26. 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 9/241:24 pm
ONT
- ORD
1 stop8h 35m
United Airlines
Mon 9/288:20 pm
ORD
- ONT
Nonstop4h 29m
United Airlines
Deal found 7/26![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 7/30. 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.
Mon 10/1911:15 pm
ONT
- TVC
2 stops9h 18m
Delta
Wed 10/286:03 pm
TVC
- ONT
2 stops8h 52m
Delta
Deal found 7/30![Delta logo]()
$389
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:50 pm
ONT
- MDW
2 stops8h 35m
Southwest
Sun 9/139:25 pm
MDW
- ONT
Nonstop4h 15m
Southwest
Deal found 7/28![Southwest logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Thu 9/311:15 am
ONT
- RFD
1 stop7h 24m
Multiple Airlines
Thu 9/103:53 pm
RFD
- ONT
2 stops44h 37m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$373
This United Airlines deal was found by Cheapflights users on 7/29. 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 9/281:52 pm
ONT
- ORD
1 stop9h 07m
United Airlines
Wed 9/308:20 pm
ORD
- ONT
Nonstop4h 29m
United Airlines
Deal found 7/29![United Airlines logo]()
$349
This Booking.com deal was found by Cheapflights users on 7/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:02 am
ONT
- DTW
1 stop20h 20m
Alaska Airlines
Mon 8/317:01 am
DTW
- ONT
2 stops11h 46m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$568
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:00 pm
ONT
- MDW
1 stop8h 36m
Delta
Mon 8/2412:46 pm
MDW
- ONT
1 stop7h 44m
Delta
Deal found 7/31![Delta logo]()
$397
Last-minute flights from Ontario to MichiganDiscover last-minute flight deals from Ontario to Michigan. Data last updated July 31, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Michigan. Data last updated July 31, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 7/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:56 pm
ONT
- GRR
1 stop20h 10m
Frontier
Mon 8/248:01 pm
GRR
- ONT
1 stop6h 49m
Frontier
Deal found 7/29![Frontier logo]()
$270
This CheapOair deal was found by Cheapflights users on 7/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:56 pm
ONT
- DTW
1 stop12h 29m
Frontier
Thu 8/277:55 am
DTW
- ONT
1 stop29h 09m
Frontier
Deal found 7/28![Frontier logo]()
$274
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:00 am
ONT
- GRR
1 stop10h 06m
Frontier
Mon 8/248:01 pm
GRR
- ONT
1 stop6h 49m
Frontier
Deal found 7/30![Frontier logo]()
$224
This Frontier deal was found by Cheapflights users on 7/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:49 am
ONT
- DTW
1 stop10h 10m
Frontier
Wed 8/269:00 am
DTW
- ONT
1 stop13h 01m
Frontier
Deal found 7/27![Frontier logo]()
$264
This Super.com deal was found by Cheapflights users on 7/31. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:17 am
ONT
- DTW
1 stop6h 58m
Frontier
Mon 8/247:55 am
DTW
- ONT
1 stop29h 09m
Frontier
Deal found 7/31![Frontier logo]()
$268
This Frontier deal was found by Cheapflights users on 7/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:00 am
ONT
- GRR
1 stop10h 06m
Frontier
Mon 8/248:01 pm
GRR
- ONT
1 stop6h 49m
Frontier
Deal found 7/27![Frontier logo]()
$267
This Frontier deal was found by Cheapflights users on 7/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:00 am
ONT
- GRR
1 stop10h 06m
Frontier
Fri 9/48:01 pm
GRR
- ONT
1 stop6h 49m
Frontier
Deal found 7/28![Frontier logo]()
$274
This Booking.com deal was found by Cheapflights users on 7/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:17 am
ONT
- DTW
1 stop6h 58m
Frontier
Thu 8/2712:20 pm
DTW
- ONT
1 stop14h 30m
Frontier
Deal found 7/28![Frontier logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Wed 8/2610:59 am
ONT
- DTW
1 stop28h 56m
Frontier
Sun 8/307:30 pm
DTW
- ONT
1 stop16h 08m
Frontier
Deal found 7/28![Frontier logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Thu 8/279:33 am
ONT
- DTW
1 stop30h 22m
Frontier
Sun 8/307:30 pm
DTW
- ONT
1 stop16h 08m
Frontier
Deal found 7/28![Frontier logo]()
$263
This Frontier deal was found by Cheapflights users on 7/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:00 am
ONT
- GRR
1 stop10h 06m
Frontier
Mon 8/318:01 pm
GRR
- ONT
1 stop6h 49m
Frontier
Deal found 7/31![Frontier logo]()
$251
This Frontier deal was found by Cheapflights users on 7/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:00 am
ONT
- GRR
1 stop10h 06m
Frontier
Mon 8/318:01 pm
GRR
- ONT
1 stop6h 49m
Frontier
Deal found 7/31![Frontier logo]()
$273
One-way flights from Ontario to MichiganSearch for one-way flight options from Ontario to Michigan. Find affordable one-way fares based on user searches. Data last updated July 31, 2026.
Search for one-way flight options from Ontario to Michigan. Find affordable one-way fares based on user searches. Data last updated July 31, 2026.
This Super.com deal was found by Cheapflights users on 7/31. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:24 pm
ONT
- ORD
1 stop7h 14m
Frontier
Deal found 7/31![Frontier logo]()
$79
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:17 am
ONT
- ORD
1 stop9h 58m
Frontier
Deal found 7/30![Frontier logo]()
$80
This Super.com deal was found by Cheapflights users on 7/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/319:33 am
ONT
- ORD
1 stop13h 16m
Frontier
Deal found 7/30![Frontier logo]()
$85
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:17 am
ONT
- MDW
1 stop10h 14m
Frontier
Deal found 7/30![Frontier logo]()
$86
This Booking.com deal was found by Cheapflights users on 7/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/249:33 am
ONT
- ORD
1 stop13h 16m
Frontier
Deal found 7/30![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Thu 10/296:15 am
ONT
- ORD
1 stop13h 20m
Frontier
Deal found 7/26![Frontier logo]()
$94
This Trip.com deal was found by Cheapflights users on 7/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:15 am
ONT
- ORD
1 stop16h 08m
Frontier
Deal found 7/29![Frontier logo]()
$98
This Super.com deal was found by Cheapflights users on 7/31. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:17 am
ONT
- MDW
1 stop10h 14m
Frontier
Deal found 7/31![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Tue 10/272:35 pm
ONT
- ORD
1 stop17h 26m
Frontier
Deal found 7/26![Frontier logo]()
$100
This Trip.com deal was found by Cheapflights users on 7/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1211:45 am
ONT
- ORD
1 stop10h 38m
Frontier
Deal found 7/27![Frontier logo]()
$101
This Trip.com deal was found by Cheapflights users on 7/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:45 am
ONT
- ORD
1 stop10h 38m
Frontier
Deal found 7/29![Frontier logo]()
$102
This Trip.com deal was found by Cheapflights users on 7/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:17 am
ONT
- MDW
1 stop10h 14m
Frontier
Deal found 7/31![Frontier logo]()
$104
Find flight deals from Ontario to Michigan
Keep the following information in mind while searching for Ontario to Michigan flight deals. Data was last updated July 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $202 |
One-way from | $79 (Super.com) |
Popular in | June |
Cheapest in | September |
Average price | $552 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Michigan 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 July 31, 2026.
Use the filters below to find and compare flights from Ontario to Michigan that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioChicago
ONT - RFD
ONTRFD
Ontario
Thu 11/5
11:19 am-8:02 pm
1 stop6h 43m
Chicago Greater Rockford
Sun 11/8
1:08 pm-11:55 pm
2 stops36h 47m
$280
OntarioChicago
ONT - RFD
ONTRFD
Ontario
Thu 11/12
11:19 am-8:02 pm
1 stop6h 43m
Chicago Greater Rockford
Sun 11/15
8:37 pm-1:40 pm
2 stops19h 03m
$293
OntarioChicago
ONT - RFD
ONTRFD
Ontario
Thu 9/17
2:30 pm-6:11 pm
2 stops25h 41m
Chicago Greater Rockford
Sun 9/20
9:29 pm-7:04 am
1 stop11h 35m
$297
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Thu 8/27
10:49 am-11:59 pm
1 stop10h 10m
Detroit Metropolitan Wayne County
Mon 8/31
8:30 am-4:22 pm
1 stop10h 52m
$300
OntarioChicago
ONT - MDW
ONTMDW
Ontario
Mon 9/7
11:55 pm-5:45 am
Nonstop3h 50m
Chicago Midway
Wed 9/9
5:25 pm-7:40 pm
Nonstop4h 15m
$300
Quickest round-trip
OntarioChicago
ONT - MDW
ONTMDW
Ontario
Thu 9/10
11:55 pm-5:45 am
Nonstop3h 50m
Chicago Midway
Thu 9/17
2:00 pm-4:10 pm
Nonstop4h 10m
$300
OntarioChicago
ONT - RFD
ONTRFD
Ontario
Thu 8/20
11:15 am-8:45 pm
1 stop7h 30m
Chicago Greater Rockford
Sun 8/23
9:35 pm-8:03 am
1 stop12h 28m
$300
OntarioChicago
ONT - ORD
ONTORD
Ontario
Mon 9/7
7:00 am-1:10 pm
Nonstop4h 10m
Chicago O'Hare Intl
Wed 9/9
6:00 am-12:12 pm
1 stop8h 12m
$311
OntarioChicago
ONT - MDW
ONTMDW
Ontario
Thu 10/29
11:55 pm-5:40 am
Nonstop3h 45m
Chicago Midway
Fri 11/6
10:15 am-3:25 pm
2 stops7h 10m
$312
OntarioChicago
ONT - MDW
ONTMDW
Ontario
Thu 8/27
10:00 pm-9:59 am
1 stop9h 59m
Chicago Midway
Tue 9/1
10:54 am-10:23 pm
2 stops13h 29m
$314
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Michigan
Have a flexible travel schedule? Discover the best time to fly to Michigan from Ontario with our price prediction graph.
ONT-ORD
ONT-MDW
ONT-GRR
ONT-DTW
ONT-RFD
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 Ontario to Michigan
ONT-USMI
ONT-ORD
ONT-MDW
ONT-GRR
ONT-DTW
What is the cheapest month to book a flight from Ontario to Michigan?
Currently, November is the cheapest month in which you can book a flight from Ontario to Michigan (average of $369). Flying from Ontario to Michigan in February is currently the most expensive (average of $570). 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 Ontario to Michigan?
Airfare is below average for this route at the moment.
Ontario to Michigan flights typically cost between $402 and $576 in November.The cheapest round-trip price found within the last 5 days was $202 on Frontier (Nov 19-Nov 23).
How far ahead should I book a flight from Ontario to Michigan?
Booking 38 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Michigan. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Michigan
Get insights into the airlines that provide service to Michigan. 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 Michigan. Reviews last updated July 31, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Ontario to Michigan. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Ontario to Michigan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Ontario to Michigan
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Michigan by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Michigan by cabin class
Find flights from Ontario to Michigan, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Michigan flights
Browse other Ontario and Michigan flight options. Last updated on July 31, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ontario to Michigan flights
Consider these flights traveling from Ontario to Michigan.
Top 5 airlines flying from Ontario to Michigan
Discover the top 5 airlines that operate flights from Ontario to Michigan. 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 July 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$126 | Average$328 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$277 | Average$499 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$279 | Average$523 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$288 | Average$508 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$296 | Average$486 | FlexibilityNo cancel fee | On-time71% |