$131+ Cheap flights from Detroit to Ontario (DTT - ONT)
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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — ONT
Jun 20 — Jun 271
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
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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 May 21, 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 May 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 8/48:52 am
DTW
- ONT
2 stops28h 11m
Frontier
Wed 8/196:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Deal found 5/18![Frontier logo]()
$270
This Priceline deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 6/178:52 am
DTW
- ONT
1 stop12h 00m
Frontier
Wed 7/810:49 am
ONT
- DTW
1 stop10h 10m
Frontier
Deal found 5/19![Frontier logo]()
$278
This Frontier deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 7/218:52 am
DTW
- ONT
1 stop11h 57m
Frontier
Wed 7/293:40 pm
ONT
- DTW
1 stop12h 41m
Frontier
Deal found 5/20![Frontier logo]()
$279
This Travelocity deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:52 am
DTW
- ONT
1 stop12h 00m
Frontier
Mon 8/246:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Deal found 5/19![Frontier logo]()
$280
This Booking.com deal was found by Cheapflights users on 5/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/218:52 am
DTW
- ONT
1 stop11h 57m
Frontier
Tue 7/286:00 am
ONT
- DTW
1 stop27h 34m
Frontier
Deal found 5/16![Frontier logo]()
$282
This Frontier deal was found by Cheapflights users on 5/17. 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.
Sat 7/118:52 am
DTW
- ONT
1 stop11h 57m
Frontier
Tue 7/143:40 pm
ONT
- DTW
1 stop12h 41m
Frontier
Deal found 5/17![Frontier logo]()
$284
This Trip.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 8/48:52 am
DTW
- ONT
1 stop11h 57m
Frontier
Tue 8/186:00 am
ONT
- DTW
1 stop27h 37m
Frontier
Deal found 5/18![Frontier logo]()
$287
This CheapOair deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” 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.
Tue 8/48:52 am
DTW
- ONT
1 stop11h 57m
Frontier
Wed 8/126:00 am
ONT
- DTW
1 stop27h 34m
Frontier
Deal found 5/21![Frontier logo]()
$288
This Frontier deal was found by Cheapflights users on 5/17. 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.
Mon 7/138:51 am
DTW
- ONT
1 stop9h 16m
Frontier
Tue 7/216:47 pm
ONT
- DTW
1 stop13h 07m
Frontier
Deal found 5/17![Frontier logo]()
$289
This Expedia deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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.
Fri 7/248:52 am
DTW
- ONT
1 stop11h 57m
Frontier
Tue 7/286:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Deal found 5/18![Frontier logo]()
$290
This Booking.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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.
Wed 9/306:07 pm
DTW
- ONT
1 stop23h 30m
Frontier
Mon 10/53:47 pm
ONT
- DTW
1 stop22h 10m
Frontier
Deal found 5/20![Frontier logo]()
$291
This Booking.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 8/108:52 am
DTW
- ONT
1 stop11h 57m
Frontier
Mon 8/175:43 pm
ONT
- DTW
1 stop22h 08m
Frontier
Deal found 5/20![Frontier logo]()
$292
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 May 21, 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 May 21, 2026.
This Southwest deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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.
Fri 7/244:00 pm
DTW
- ONT
2 stops9h 10m
Southwest
Tue 7/285:30 am
ONT
- DTW
2 stops9h 25m
Southwest
Deal found 5/18![Southwest logo]()
$492
This Alaska Airlines deal was found by Cheapflights users on 5/16. 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.
Sun 5/246:08 pm
DTW
- ONT
1 stop8h 50m
Alaska Airlines
Wed 5/277:41 pm
ONT
- DTW
2 stops11h 06m
Alaska Airlines
Deal found 5/16![Alaska Airlines logo]()
$640
This Southwest deal was found by Cheapflights users on 5/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/125:25 am
DTW
- ONT
2 stops8h 55m
Southwest
Sun 6/145:55 am
ONT
- DTW
2 stops8h 45m
Southwest
Deal found 5/16![Southwest logo]()
$591
This Alaska Airlines deal was found by Cheapflights users on 5/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:09 am
DTW
- ONT
1 stop11h 00m
Alaska Airlines
Wed 6/105:54 pm
ONT
- DTW
2 stops13h 09m
Alaska Airlines
Deal found 5/17![Alaska Airlines logo]()
$690
This Southwest deal was found by Cheapflights users on 5/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:25 am
DTW
- ONT
2 stops8h 45m
Southwest
Wed 6/310:30 am
ONT
- DTW
2 stops8h 05m
Southwest
Deal found 5/16![Southwest logo]()
$673
This Alaska Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 5/286:08 pm
DTW
- ONT
1 stop8h 50m
Alaska Airlines
Tue 6/27:41 pm
ONT
- DTW
2 stops11h 08m
Alaska Airlines
Deal found 5/19![Alaska Airlines logo]()
$733
This Alaska Airlines deal was found by Cheapflights users on 5/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:01 am
DTW
- ONT
1 stop9h 08m
Alaska Airlines
Fri 8/216:02 am
ONT
- DTW
2 stops12h 33m
Alaska Airlines
Deal found 5/17![Alaska Airlines logo]()
$746
This Alaska Airlines deal was found by Cheapflights users on 5/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:09 am
DTW
- ONT
1 stop11h 00m
Alaska Airlines
Mon 5/256:00 am
ONT
- DTW
1 stop8h 12m
Alaska Airlines
Deal found 5/17![Alaska Airlines logo]()
$763
This Alaska Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” 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 7/97:01 am
DTW
- ONT
1 stop9h 08m
Alaska Airlines
Tue 7/216:02 am
ONT
- DTW
2 stops12h 28m
Alaska Airlines
Deal found 5/21![Alaska Airlines logo]()
$769
This Alaska Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” 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.
Mon 5/256:08 pm
DTW
- ONT
1 stop8h 50m
Alaska Airlines
Fri 5/294:03 pm
ONT
- DTW
1 stop10h 46m
Alaska Airlines
Deal found 5/21![Alaska Airlines logo]()
$834
This Alaska Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 7/237:01 am
DTW
- ONT
1 stop9h 08m
Alaska Airlines
Mon 7/276:02 am
ONT
- DTW
2 stops11h 44m
Alaska Airlines
Deal found 5/18![Alaska Airlines logo]()
$864
Last-minute flights from Detroit to OntarioDiscover last-minute flight deals from Detroit to Ontario. Data last updated May 21, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to Ontario. Data last updated May 21, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/18:52 am
DTW
- ONT
1 stop25h 43m
Frontier
Mon 7/63:40 pm
ONT
- DTW
1 stop12h 41m
Frontier
Deal found 5/18![Frontier logo]()
$339
This CheapOair deal was found by Cheapflights users on 5/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:52 am
DTW
- ONT
1 stop25h 43m
Frontier
Wed 6/36:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Deal found 5/17![Frontier logo]()
$340
This Expedia deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/28:52 am
DTW
- ONT
1 stop25h 43m
Frontier
Sat 8/15:43 pm
ONT
- DTW
1 stop22h 17m
Frontier
Deal found 5/18![Frontier logo]()
$330
This Mytrip deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 6/37:55 am
DTW
- ONT
1 stop18h 54m
Frontier
Tue 6/96:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Deal found 5/19![Frontier logo]()
$341
This CheapOair deal was found by Cheapflights users on 5/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:55 am
DTW
- ONT
1 stop18h 54m
Frontier
Wed 6/105:43 pm
ONT
- DTW
1 stop22h 08m
Frontier
Deal found 5/17![Frontier logo]()
$320
This Expedia deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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.
Sun 6/78:52 am
DTW
- ONT
1 stop25h 16m
Frontier
Sat 6/206:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Deal found 5/18![Frontier logo]()
$329
This Booking.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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.
Tue 6/98:52 am
DTW
- ONT
1 stop11h 44m
Frontier
Sat 6/136:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Deal found 5/18![Frontier logo]()
$337
This Expedia deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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.
Wed 6/108:52 am
DTW
- ONT
1 stop12h 00m
Frontier
Tue 6/1610:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Deal found 5/20![Frontier logo]()
$313
This Booking.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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.
Wed 6/108:52 am
DTW
- ONT
1 stop12h 00m
Frontier
Thu 6/186:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Deal found 5/20![Frontier logo]()
$343
This Booking.com deal was found by Cheapflights users on 5/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/118:52 am
DTW
- ONT
1 stop12h 00m
Frontier
Sat 6/206:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Deal found 5/17![Frontier logo]()
$342
This Expedia deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/168:52 am
DTW
- ONT
1 stop12h 00m
Frontier
Tue 6/2310:50 am
ONT
- DTW
1 stop22h 56m
Frontier
Deal found 5/18![Frontier logo]()
$334
This Priceline deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 6/178:52 am
DTW
- ONT
1 stop12h 00m
Frontier
Wed 7/810:49 am
ONT
- DTW
1 stop10h 10m
Frontier
Deal found 5/19![Frontier logo]()
$278
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 May 21, 2026.
Search for one-way flight options from Detroit to Ontario. Find affordable one-way fares based on user searches. Data last updated May 21, 2026.
This deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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.
Sun 10/47:20 am
DTW
- ONT
1 stop6h 23m
Frontier
Deal found 5/18![Frontier logo]()
$131
This Frontier deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 7/288:51 am
DTW
- ONT
1 stop9h 16m
Frontier
Deal found 5/18![Frontier logo]()
$135
This Super.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 7/218:52 am
DTW
- ONT
1 stop11h 57m
Frontier
Deal found 5/18![Frontier logo]()
$137
This Frontier deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/168:52 am
DTW
- ONT
1 stop12h 00m
Frontier
Deal found 5/18![Frontier logo]()
$139
This Super.com deal was found by Cheapflights users on 5/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:52 am
DTW
- ONT
1 stop11h 57m
Frontier
Deal found 5/17![Frontier logo]()
$140
This CheapOair deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 7/158:52 am
DTW
- ONT
1 stop25h 40m
Frontier
Deal found 5/20![Frontier logo]()
$145
This Frontier deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” 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 8/278:52 am
DTW
- ONT
1 stop12h 00m
Frontier
Deal found 5/21![Frontier logo]()
$146
This Super.com deal was found by Cheapflights users on 5/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/138:51 am
DTW
- ONT
1 stop9h 16m
Frontier
Deal found 5/17![Frontier logo]()
$153
This Frontier deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 7/148:51 am
DTW
- ONT
1 stop9h 16m
Frontier
Deal found 5/20![Frontier logo]()
$155
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 May 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $270 (Kiwi.com) |
One-way from | $131 |
Popular in | January |
Cheapest in | August |
Average price | $550 |
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 2,558,603 searches. Data last updated May 21, 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 - ONT
DTWONT
Detroit Metropolitan Wayne County
Fri 7/24
4:00 pm-10:10 pm
2 stops9h 10m
Ontario
Tue 7/28
5:30 am-5:55 pm
2 stops9h 25m
$492
DetroitOntario
DTW - ONT
DTWONT
Detroit Metropolitan Wayne County
Fri 6/12
5:25 am-11:20 am
2 stops8h 55m
Ontario
Sun 6/14
5:55 am-5:40 pm
2 stops8h 45m
$591
DetroitOntario
DTW - ONT
DTWONT
Detroit Metropolitan Wayne County
Sun 5/24
6:08 pm-11:58 pm
1 stop8h 50m
Ontario
Wed 5/27
7:41 pm-9:47 am
2 stops11h 06m
$640
Quickest round-trip
DetroitOntario
DTW - ONT
DTWONT
Detroit Metropolitan Wayne County
Mon 6/1
6:25 am-12:10 pm
2 stops8h 45m
Ontario
Wed 6/3
10:30 am-9:35 pm
2 stops8h 05m
$673
DetroitOntario
DTW - ONT
DTWONT
Detroit Metropolitan Wayne County
Sat 6/6
7:09 am-3:09 pm
1 stop11h 00m
Ontario
Wed 6/10
5:54 pm-10:03 am
2 stops13h 09m
$690
DetroitOntario
DTW - ONT
DTWONT
Detroit Metropolitan Wayne County
Thu 5/28
6:08 pm-11:58 pm
1 stop8h 50m
Ontario
Tue 6/2
7:41 pm-9:49 am
2 stops11h 08m
$733
DetroitOntario
DTW - ONT
DTWONT
Detroit Metropolitan Wayne County
Mon 8/17
7:01 am-1:09 pm
1 stop9h 08m
Ontario
Fri 8/21
6:02 am-9:35 pm
2 stops12h 33m
$746
DetroitOntario
DTW - ONT
DTWONT
Detroit Metropolitan Wayne County
Sun 5/24
7:09 am-3:09 pm
1 stop11h 00m
Ontario
Mon 5/25
6:00 am-5:12 pm
1 stop8h 12m
$763
DetroitOntario
DTW - ONT
DTWONT
Detroit Metropolitan Wayne County
Thu 7/9
7:01 am-1:09 pm
1 stop9h 08m
Ontario
Tue 7/21
6:02 am-9:30 pm
2 stops12h 28m
$769
DetroitOntario
DTW - ONT
DTWONT
Detroit Metropolitan Wayne County
Mon 5/25
6:08 pm-11:58 pm
1 stop8h 50m
Ontario
Fri 5/29
4:03 pm-5:49 am
1 stop10h 46m
$834
Showing 1-10 of 23 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 May.
| 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 $138). Flying from Detroit to Ontario in November is currently the most expensive (average of $319). 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 Detroit to Ontario?
What’s the top layover airport for flights from Detroit to Ontario?
Share of 1-stop round-trip flights from Detroit to Ontario chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 50% of 1-stop itineraries from Detroit to Ontario on Cheapflights.
What’s the cheapest layover airport for flights from Detroit to Ontario?
Average round-trip fare for 1-stop flights from Detroit to Ontario, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $149.
What’s the fastest layover option from Detroit to Ontario?
Shortest average travel time for 1-stop one-way flights from Detroit to Ontario, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Las Vegas (LAS) have the shortest average one-way travel time for 1-stop routes: 6h 25m.
Which airport typically offers the quickest layover for flights from Detroit to Ontario?
Average layover duration for 1-stop one-way flights from Detroit to Ontario, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Las Vegas (LAS) offer the fastest connection on this route, with an average layover time of 0h 58m.
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 May 21, 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.
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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.
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Alternative routes for Detroit to Ontario
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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from 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 May 21, 2026.
Detroit and Ontario flights
Browse other Detroit and Ontario flight options. Last updated on May 21, 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 May 21, 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 2,558,603 searches. Data last updated May 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$149 | Average$316 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$296 | Average$499 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$304 | Average$521 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$329 | Average$483 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$360 | Average$511 | FlexibilityNo cancel fee | On-time63% |