$116+ Cheap flights from Detroit to Ontario (DTT - ONT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — ONT
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Detroit to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Detroit to Ontario
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Cheapest flights from Detroit to OntarioExplore the most affordable flight options available from Detroit to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from Detroit to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 11/1610:28 pm -
2 stops14h 12m
Tue 12/14:46 pm -
1 stop20h 35m
Deal found 9/13![Frontier logo]()
$198
This Expedia deal was found by Cheapflights users on 9/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:15 am -
1 stop12h 06m
Sat 10/315:07 pm -
1 stop8h 48m
Deal found 9/15![Frontier logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/1410:38 am -
2 stops27h 38m
Wed 10/215:25 pm -
1 stop8h 35m
Deal found 9/14![Frontier logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 11/1712:40 pm -
2 stops24h 00m
Tue 12/14:46 pm -
1 stop20h 35m
Deal found 9/13![Frontier logo]()
$241
This Frontier deal was found by Cheapflights users on 9/16. 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.
Sat 10/1710:38 am -
1 stop9h 10m
Wed 10/2811:52 am -
1 stop8h 59m
Deal found 9/16![Frontier logo]()
$248
This Frontier deal was found by Cheapflights users on 9/15. 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 10/67:08 am -
1 stop6h 22m
Tue 10/65:44 pm -
1 stop8h 11m
Deal found 9/15![Frontier logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 11/117:15 am -
1 stop12h 06m
Tue 12/14:46 pm -
1 stop20h 35m
Deal found 9/13![Frontier logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/2210:29 pm -
1 stop23h 39m
Mon 10/266:42 pm -
1 stop12h 06m
Deal found 9/13![Frontier logo]()
$257
This Mytrip deal was found by Cheapflights users on 9/17. 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.
Wed 10/217:08 am -
1 stop6h 21m
Tue 10/2710:35 am -
2 stops20h 13m
Deal found 9/17![Frontier logo]()
$261
This Frontier deal was found by Cheapflights users on 9/16. 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.
Sat 10/1710:38 am -
1 stop9h 10m
Thu 10/228:03 pm -
1 stop10h 50m
Deal found 9/16![Frontier logo]()
$262
This Frontier deal was found by Cheapflights users on 9/15. 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 10/512:33 pm -
1 stop8h 15m
Tue 10/65:44 pm -
1 stop8h 11m
Deal found 9/15![Frontier logo]()
$263
Best flights from Detroit to OntarioDiscover carefully curated flight deals from Detroit to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Detroit to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/227:00 am -
1 stop8h 18m
Tue 10/275:00 am -
1 stop6h 27m
Deal found 9/17![United Airlines logo]()
$371
This Delta deal was found by Cheapflights users on 9/15. 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 12/218:09 pm -
1 stop6h 50m
Wed 12/306:00 am -
1 stop6h 20m
Deal found 9/15![Delta logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 10/67:00 am -
2 stops14h 00m
Sat 10/176:02 am -
1 stop7h 59m
Deal found 9/15![Alaska Airlines logo]()
$452
This KAYAK deal was found by Cheapflights users on 9/14. 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.
Mon 10/127:15 pm -
1 stop7h 37m
Thu 10/156:00 am -
1 stop9h 24m
Deal found 9/14![American Airlines logo]()
$559
This Delta deal was found by Cheapflights users on 9/15. 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.
Sat 10/174:34 pm -
1 stop9h 09m
Tue 10/2712:16 pm -
2 stops18h 06m
Deal found 9/15![Delta logo]()
$430
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 10/157:00 am -
1 stop30h 17m
Sun 10/186:02 am -
1 stop20h 38m
Deal found 9/16![Alaska Airlines logo]()
$463
This United Airlines deal was found by Cheapflights users on 9/15. 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 12/213:39 pm -
1 stop8h 21m
Thu 12/3111:52 pm -
1 stop6h 36m
Deal found 9/15![United Airlines logo]()
$495
This Delta deal was found by Cheapflights users on 9/13. 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.
Sat 1/168:00 am -
1 stop7h 30m
Sat 1/231:00 pm -
1 stop8h 03m
Deal found 9/13![Delta logo]()
$557
This Delta deal was found by Cheapflights users on 9/13. 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.
Sat 12/1212:12 pm -
1 stop7h 16m
Thu 1/71:00 pm -
1 stop8h 03m
Deal found 9/13![Delta logo]()
$565
This Delta deal was found by Cheapflights users on 9/13. 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 1/185:45 pm -
1 stop9h 03m
Wed 1/201:00 pm -
1 stop8h 03m
Deal found 9/13![Delta logo]()
$565
This Delta deal was found by Cheapflights users on 9/13. 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.
Wed 12/168:18 pm -
1 stop6h 40m
Mon 1/41:00 pm -
1 stop8h 03m
Deal found 9/13![Delta logo]()
$565
This Delta deal was found by Cheapflights users on 9/15. 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 10/157:00 am -
2 stops17h 54m
Sat 10/241:35 pm -
1 stop6h 05m
Deal found 9/15![Delta logo]()
$572
Last-minute flights from Detroit to OntarioDiscover last-minute flight deals from Detroit to Ontario. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to Ontario. Data last updated September 17, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 9/15. 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 10/512:33 pm -
1 stop8h 15m
Tue 10/65:44 pm -
1 stop8h 11m
Deal found 9/15![Frontier logo]()
$263
This Frontier deal was found by Cheapflights users on 9/15. 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 10/67:08 am -
1 stop6h 22m
Tue 10/65:44 pm -
1 stop8h 11m
Deal found 9/15![Frontier logo]()
$249
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Tue 10/137:15 am -
1 stop12h 15m
Wed 10/2111:26 am -
2 stops9h 29m
Deal found 9/16![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/1410:38 am -
2 stops27h 38m
Wed 10/215:25 pm -
1 stop8h 35m
Deal found 9/14![Frontier logo]()
$239
This Frontier deal was found by Cheapflights users on 9/16. 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.
Sat 10/1710:38 am -
1 stop9h 10m
Wed 10/2811:52 am -
1 stop8h 59m
Deal found 9/16![Frontier logo]()
$248
This Frontier deal was found by Cheapflights users on 9/16. 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.
Sat 10/1710:38 am -
1 stop9h 10m
Thu 10/228:03 pm -
1 stop10h 50m
Deal found 9/16![Frontier logo]()
$262
This Mytrip deal was found by Cheapflights users on 9/17. 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.
Wed 10/217:08 am -
1 stop6h 21m
Tue 10/2710:35 am -
2 stops20h 13m
Deal found 9/17![Frontier logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/2210:29 pm -
1 stop23h 39m
Mon 10/266:42 pm -
1 stop12h 06m
Deal found 9/13![Frontier logo]()
$257
This Super.com deal was found by Cheapflights users on 9/14. 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 10/248:35 pm -
1 stop6h 15m
Sat 10/315:07 pm -
1 stop8h 48m
Deal found 9/14![Frontier logo]()
$268
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Mon 10/2610:29 pm -
2 stops14h 11m
Wed 11/115:33 pm -
1 stop12h 46m
Deal found 9/16![Frontier logo]()
$264
This Expedia deal was found by Cheapflights users on 9/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:15 am -
1 stop12h 06m
Sat 10/315:07 pm -
1 stop8h 48m
Deal found 9/15![Frontier logo]()
$235
One-way flights from Detroit to OntarioSearch for one-way flight options from Detroit to Ontario. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Detroit to Ontario. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Super.com deal was found by Cheapflights users on 9/14. 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 11/167:15 am -
1 stop7h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$116
This Booking.com deal was found by Cheapflights users on 9/15. 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 11/27:15 am -
1 stop7h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$118
This Super.com deal was found by Cheapflights users on 9/14. 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 10/267:15 am -
1 stop29h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$121
This Super.com deal was found by Cheapflights users on 9/16. 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 10/208:35 pm -
1 stop6h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$122
This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:38 am -
1 stop9h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$127
This Super.com deal was found by Cheapflights users on 9/16. 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 10/178:35 pm -
1 stop6h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$135
This Super.com deal was found by Cheapflights users on 9/14. 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 11/117:15 am -
1 stop12h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$136
This Super.com deal was found by Cheapflights users on 9/14. 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 10/127:15 am -
1 stop7h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$137
This Frontier deal was found by Cheapflights users on 9/17. 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 10/87:08 am -
1 stop6h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$138
This Booking.com deal was found by Cheapflights users on 9/12. 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 11/97:15 am -
1 stop7h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$140
Find flight deals from Detroit to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to Ontario (ONT). 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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $198 (Kiwi.com) |
One-way from | $116 (Super.com) |
Popular in | January |
Cheapest in | July |
Average price | $553 |
Cheapflights Fare Finder
Customize your flight search to find flights from Detroit to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 17, 2026.
Use the filters below to find and compare flights from Detroit to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Wed 10/28
10:33 am-4:38 pm
1 stop9h 05m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$122
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Wed 11/4
4:34 pm-10:43 pm
1 stop9h 09m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$174
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Tue 11/3
8:25 am-5:12 pm
1 stop11h 47m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$174
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Wed 10/21
2:25 pm-8:50 pm
2 stops9h 25m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$179
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Sat 10/17
5:30 am-12:46 pm
2 stops10h 16m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$179
Quickest round-trip
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Wed 9/30
7:08 am-10:30 am
1 stop6h 22m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$207
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Sat 9/26
10:37 am-4:46 pm
1 stop9h 09m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$211
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Fri 12/25
6:20 am-3:05 pm
1 stop11h 45m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$223
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Mon 10/19
7:15 am-11:16 am
1 stop7h 01m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$229
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Wed 1/13
7:15 am-8:20 pm
3 stops16h 05m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$258
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Detroit to Ontario
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 Detroit to Ontario in September.
| 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 Detroit-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Detroit-Ontario 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 Detroit-Ontario 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 Detroit to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Detroit with our price prediction graph.
DTT-ONT
DTW-ONT
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 Detroit to Ontario
DTT-ONT
DTW-ONT
What is the cheapest month to book a flight from Detroit to Ontario?
Currently, January is the cheapest month in which you can book a flight from Detroit to Ontario (average of $358). Flying from Detroit to Ontario in April is currently the most expensive (average of $515). 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 Detroit to Ontario?
Booking 49 days in advance of your planned departure date is, on average, the best time to get cheap flights from Detroit to Ontario. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 September 17, 2026.
Read through reviews of airlines operating flights from Detroit to Ontario, such as Southwest,Delta, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Detroit to Ontario. 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.
Alternative routes
Complete your trip
Flights by cabin class
Ontario flight routes
Other flight options
Other flights from Detroit
Popular flights
Alternative routes for Detroit to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Detroit to Ontario by cabin class
Find flights from Detroit to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
Detroit and Ontario flights
Browse other Detroit and Ontario flight options. Last updated on September 17, 2026.
Other flights from Detroit
Browse through other flights departing from Detroit. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Detroit to Ontario
Discover the top 5 airlines that operate flights from Detroit to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$201 | Average$338 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$296 | Average$521 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$344 | Average$478 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$346 | Average$530 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$353 | Average$502 | FlexibilityNo cancel fee | On-time63% |