$113+ Cheap flights from Ontario to Detroit (ONT - DTT)
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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DTT
Sep 10 — Sep 171
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Detroit 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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Cheapest flights from Ontario to DetroitExplore the most affordable flight options available from Ontario to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 11, 2026.
Explore the most affordable flight options available from Ontario to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 11, 2026.
This Frontier deal was found by Cheapflights users on 8/11. 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.
Tue 9/155:44 pm -
1 stop8h 11m
Wed 9/167:08 am -
1 stop6h 22m
Deal found 8/11![Frontier logo]()
$223
This Frontier deal was found by Cheapflights users on 8/11. 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.
Mon 9/148:11 pm -
1 stop10h 41m
Sat 9/1910:37 am -
1 stop9h 09m
Deal found 8/11![Frontier logo]()
$228
This Frontier deal was found by Cheapflights users on 8/11. 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.
Wed 9/237:11 pm -
1 stop11h 41m
Tue 9/297:15 am -
1 stop12h 44m
Deal found 8/11![Frontier logo]()
$229
This CheapOair deal was found by Cheapflights users on 8/11. 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.
Thu 10/156:00 am -
1 stop15h 24m
Mon 10/1910:29 pm -
1 stop11h 43m
Deal found 8/11![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/257:46 pm -
1 stop11h 06m
Fri 10/210:37 am -
1 stop11h 02m
Deal found 8/10![Frontier logo]()
$245
This Frontier deal was found by Cheapflights users on 8/10. 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.
Wed 9/27:56 pm -
1 stop12h 29m
Wed 9/910:37 am -
1 stop10h 39m
Deal found 8/10![Frontier logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 9/155:31 pm -
1 stop13h 21m
Tue 9/299:08 pm -
1 stop24h 08m
Deal found 8/9![Frontier logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 9/295:31 pm -
1 stop13h 21m
Wed 10/710:37 am -
1 stop10h 39m
Deal found 8/8![Frontier logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/167:11 pm -
1 stop11h 41m
Sun 9/2012:33 pm -
1 stop8h 15m
Deal found 8/10![Frontier logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 -
1 stop11h 41m
Tue 9/1510:37 am -
1 stop9h 09m
Deal found 8/10![Frontier logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Sat 9/59:37 am -
1 stop22h 35m
Thu 9/1012:33 pm -
2 stops38h 14m
Deal found 8/6![Frontier logo]()
$255
This Frontier deal was found by Cheapflights users on 8/11. 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 9/182:30 pm -
1 stop11h 48m
Mon 9/2112:33 pm -
1 stop8h 15m
Deal found 8/11![Frontier logo]()
$257
Best flights from Ontario to DetroitDiscover carefully curated flight deals from Ontario to Detroit that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 11, 2026.
Discover carefully curated flight deals from Ontario to Detroit that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 11, 2026.
This Southwest deal was found by Cheapflights users on 8/10. 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 1/69:00 am -
1 stop5h 55m
Sat 1/96:50 am -
2 stops10h 05m
Deal found 8/10![Southwest logo]()
$365
This Delta deal was found by Cheapflights users on 8/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:00 am -
1 stop6h 14m
Tue 9/157:00 am -
2 stops16h 24m
Deal found 8/7![Delta logo]()
$453
This United Airlines deal was found by Cheapflights users on 8/10. 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 9/15:00 am -
1 stop6h 27m
Sat 9/52:10 pm -
2 stops9h 43m
Deal found 8/10![United Airlines logo]()
$511
This Southwest deal was found by Cheapflights users on 8/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:15 am -
2 stops8h 05m
Mon 9/218:55 am -
2 stops8h 05m
Deal found 8/6![Southwest logo]()
$509
This United Airlines deal was found by Cheapflights users on 8/9. 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 8/255:00 am -
2 stops9h 00m
Sat 9/52:10 pm -
2 stops9h 43m
Deal found 8/9![United Airlines logo]()
$549
This Southwest deal was found by Cheapflights users on 8/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:30 am -
2 stops8h 25m
Sun 11/16:50 am -
2 stops9h 10m
Deal found 8/7![Southwest logo]()
$532
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Fri 8/217:00 am -
1 stop7h 00m
Mon 8/313:29 pm -
2 stops10h 30m
Deal found 8/6![United Airlines logo]()
$572
This Southwest deal was found by Cheapflights users on 8/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:25 am -
2 stops8h 40m
Sun 11/16:50 am -
2 stops9h 10m
Deal found 8/7![Southwest logo]()
$532
This Southwest deal was found by Cheapflights users on 8/10. 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.
Sun 10/111:50 pm -
2 stops7h 30m
Fri 10/164:55 pm -
2 stops10h 00m
Deal found 8/10![Southwest logo]()
$542
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Wed 9/235:00 am -
2 stops10h 05m
Fri 9/257:00 am -
1 stop8h 18m
Deal found 8/7![United Airlines logo]()
$606
This Southwest deal was found by Cheapflights users on 8/9. 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 10/78:25 am -
2 stops8h 40m
Sun 10/116:40 am -
2 stops8h 30m
Deal found 8/9![Southwest logo]()
$575
This United Airlines deal was found by Cheapflights users on 8/8. 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 9/81:18 pm -
1 stop6h 21m
Tue 9/225:25 am -
2 stops11h 36m
Deal found 8/8![United Airlines logo]()
$650
Last-minute flights from Ontario to DetroitDiscover last-minute flight deals from Ontario to Detroit. Data last updated August 11, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Detroit. Data last updated August 11, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 8/10. 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.
Wed 9/27:56 pm -
1 stop12h 29m
Wed 9/910:37 am -
1 stop10h 39m
Deal found 8/10![Frontier logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Sat 9/59:37 am -
1 stop22h 35m
Thu 9/1012:33 pm -
2 stops38h 14m
Deal found 8/6![Frontier logo]()
$255
This CheapOair deal was found by Cheapflights users on 8/10. 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.
Mon 9/76:00 am -
1 stop26h 25m
Mon 9/148:35 pm -
1 stop16h 55m
Deal found 8/10![Frontier logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 -
1 stop11h 41m
Tue 9/1510:37 am -
1 stop9h 09m
Deal found 8/10![Frontier logo]()
$253
This Frontier deal was found by Cheapflights users on 8/11. 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.
Mon 9/146:15 am -
1 stop6h 13m
Tue 9/1510:37 am -
1 stop9h 09m
Deal found 8/11![Frontier logo]()
$228
This Frontier deal was found by Cheapflights users on 8/11. 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.
Tue 9/155:44 pm -
1 stop8h 11m
Wed 9/167:08 am -
1 stop6h 22m
Deal found 8/11![Frontier logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 9/155:31 pm -
1 stop13h 21m
Tue 9/299:08 pm -
1 stop24h 08m
Deal found 8/9![Frontier logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/167:11 pm -
1 stop11h 41m
Sun 9/2012:33 pm -
1 stop8h 15m
Deal found 8/10![Frontier logo]()
$252
This Frontier deal was found by Cheapflights users on 8/11. 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 9/182:30 pm -
1 stop11h 48m
Mon 9/2112:33 pm -
1 stop8h 15m
Deal found 8/11![Frontier logo]()
$257
This Frontier deal was found by Cheapflights users on 8/11. 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.
Wed 9/237:11 pm -
1 stop11h 41m
Tue 9/297:15 am -
1 stop12h 44m
Deal found 8/11![Frontier logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/257:46 pm -
1 stop11h 06m
Fri 10/210:37 am -
1 stop11h 02m
Deal found 8/10![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 9/295:31 pm -
1 stop13h 21m
Wed 10/710:37 am -
1 stop10h 39m
Deal found 8/8![Frontier logo]()
$251
One-way flights from Ontario to DetroitSearch for one-way flight options from Ontario to Detroit. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
Search for one-way flight options from Ontario to Detroit. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
This Super.com deal was found by Cheapflights users on 8/11. 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.
Wed 9/166:15 am -
1 stop6h 13m
Deal found 8/11![Frontier logo]()
$113
This Frontier deal was found by Cheapflights users on 8/10. 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.
Mon 9/146:15 am -
1 stop6h 13m
Deal found 8/10![Frontier logo]()
$114
This Frontier deal was found by Cheapflights users on 8/10. 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.
Wed 9/92:30 pm -
1 stop11h 25m
Deal found 8/10![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/59:37 am -
1 stop22h 35m
Deal found 8/10![Frontier logo]()
$129
This Super.com deal was found by Cheapflights users on 8/11. 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 8/318:17 am -
1 stop6h 58m
Deal found 8/11![Frontier logo]()
$133
This Super.com deal was found by Cheapflights users on 8/11. 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.
Tue 9/86:00 am -
1 stop14h 59m
Deal found 8/11![Frontier logo]()
$139
This Frontier deal was found by Cheapflights users on 8/10. 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.
Wed 9/27:56 pm -
1 stop12h 29m
Deal found 8/10![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 8/7. 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.
Thu 10/89:12 pm -
1 stop7h 09m
Deal found 8/7![Frontier logo]()
$145
This CheapOair deal was found by Cheapflights users on 8/10. 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.
Mon 9/76:00 am -
1 stop26h 25m
Deal found 8/10![Frontier logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/66:00 am -
1 stop14h 59m
Deal found 8/10![Frontier logo]()
$147
This Super.com deal was found by Cheapflights users on 8/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:15 am -
1 stop6h 13m
Deal found 8/7![Frontier logo]()
$148
This Super.com deal was found by Cheapflights users on 8/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:56 pm -
1 stop12h 29m
Deal found 8/7![Frontier logo]()
$153
Find flight deals from Ontario to Detroit
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Detroit (DTT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $223 (Frontier) |
One-way from | $113 (Super.com) |
Popular in | February |
Cheapest in | September |
Average price | $445 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Detroit 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 August 11, 2026.
Use the filters below to find and compare flights from Ontario to Detroit that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
OntarioDetroit
ONT Ontario - DTW Detroit Metropolitan Wayne County
ONTDTW
Ontario
Wed 1/6
9:00 am-5:55 pm
1 stop5h 55m
Detroit Metropolitan Wayne County
Sat 1/9
6:50 am-1:55 pm
2 stops10h 05m
$365
OntarioDetroit
ONT Ontario - DTW Detroit Metropolitan Wayne County
ONTDTW
Ontario
Fri 9/11
6:00 am-3:14 pm
1 stop6h 14m
Detroit Metropolitan Wayne County
Tue 9/15
7:00 am-8:24 pm
2 stops16h 24m
$453
OntarioDetroit
ONT Ontario - DTW Detroit Metropolitan Wayne County
ONTDTW
Ontario
Mon 9/14
5:15 am-4:20 pm
2 stops8h 05m
Detroit Metropolitan Wayne County
Mon 9/21
8:55 am-2:00 pm
2 stops8h 05m
$509
OntarioDetroit
ONT Ontario - DTW Detroit Metropolitan Wayne County
ONTDTW
Ontario
Tue 9/1
5:00 am-2:27 pm
1 stop6h 27m
Detroit Metropolitan Wayne County
Sat 9/5
2:10 pm-8:53 pm
2 stops9h 43m
$511
OntarioDetroit
ONT Ontario - DTW Detroit Metropolitan Wayne County
ONTDTW
Ontario
Thu 10/29
5:30 am-4:55 pm
2 stops8h 25m
Detroit Metropolitan Wayne County
Sun 11/1
6:50 am-1:00 pm
2 stops9h 10m
$532
OntarioDetroit
ONT Ontario - DTW Detroit Metropolitan Wayne County
ONTDTW
Ontario
Wed 10/28
8:25 am-8:05 pm
2 stops8h 40m
Detroit Metropolitan Wayne County
Sun 11/1
6:50 am-1:00 pm
2 stops9h 10m
$532
OntarioDetroit
ONT Ontario - DTW Detroit Metropolitan Wayne County
ONTDTW
Ontario
Sun 10/11
1:50 pm-12:20 am
2 stops7h 30m
Detroit Metropolitan Wayne County
Fri 10/16
4:55 pm-11:55 pm
2 stops10h 00m
$542
OntarioDetroit
ONT Ontario - DTW Detroit Metropolitan Wayne County
ONTDTW
Ontario
Tue 8/25
5:00 am-5:00 pm
2 stops9h 00m
Detroit Metropolitan Wayne County
Sat 9/5
2:10 pm-8:53 pm
2 stops9h 43m
$549
OntarioDetroit
ONT Ontario - DTW Detroit Metropolitan Wayne County
ONTDTW
Ontario
Fri 8/21
7:00 am-5:00 pm
1 stop7h 00m
Detroit Metropolitan Wayne County
Mon 8/31
3:29 pm-10:59 pm
2 stops10h 30m
$572
OntarioDetroit
ONT Ontario - DTW Detroit Metropolitan Wayne County
ONTDTW
Ontario
Wed 10/7
8:25 am-8:05 pm
2 stops8h 40m
Detroit Metropolitan Wayne County
Sun 10/11
6:40 am-12:10 pm
2 stops8h 30m
$575
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Ontario to Detroit
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Detroit in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Detroit flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Detroit flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Detroit flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Detroit flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Detroit flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Detroit
Have a flexible travel schedule? Discover the best time to fly to Detroit from Ontario with our price prediction graph.
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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 Detroit
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ONT-DTW
What is the cheapest month to book a flight from Ontario to Detroit?
Currently, December is the cheapest month in which you can book a flight from Ontario to Detroit (average of $369). Flying from Ontario to Detroit in February is currently the most expensive (average of $763). 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 far ahead should I book a flight from Ontario to Detroit?
Booking 40 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Detroit. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Detroit
Get insights into the airlines that provide service to Detroit. 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 Detroit. Reviews last updated August 11, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Ontario to Detroit. 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.
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
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 Detroit. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Detroit?
Book flights to Detroit if you plan to visit one of these locationsRoseville
Port Huron
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Alternative routes for Ontario to Detroit
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Complete your trip
Complete your trip to Detroit by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Detroit
Explore flights to Detroit departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 11, 2026.
Search flights from Ontario to Detroit by cabin class
Find flights from Ontario to Detroit, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Detroit flights
Browse other Ontario and Detroit flight options. Last updated on August 11, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on August 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Ontario to Detroit
Discover the top 5 airlines that operate flights from Ontario to Detroit. 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 August 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$186 | Average$331 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$277 | Average$499 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$296 | Average$495 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$305 | Average$567 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$340 | Average$587 | FlexibilityNo cancel fee | On-time69% |