$85+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DTT
Jun 5 — Jun 121
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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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 Ontario to Detroit
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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 May 6, 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 May 6, 2026.
This Expedia deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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.
Sat 5/166:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Sat 5/237:55 am
DTW
- ONT
1 stop29h 10m
Frontier
Deal found 5/1![Frontier logo]()
$180
This Mytrip deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Sun 6/78:20 am
DTW
- ONT
1 stop18h 29m
Frontier
Deal found 5/2![Frontier logo]()
$185
This CheapOair deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Sat 5/237:55 am
DTW
- ONT
1 stop29h 10m
Frontier
Deal found 5/1![Frontier logo]()
$191
This CheapOair deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Thu 6/48:52 am
DTW
- ONT
1 stop25h 16m
Frontier
Deal found 4/30![Frontier logo]()
$196
This Mytrip deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Wed 7/88:00 am
DTW
- ONT
1 stop29h 03m
Frontier
Deal found 5/2![Frontier logo]()
$197
This CheapOair deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:00 am
ONT
- DTW
1 stop27h 35m
Frontier
Tue 5/268:05 am
DTW
- ONT
1 stop29h 00m
Frontier
Deal found 5/4![Frontier logo]()
$200
This CheapOair deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:00 am
ONT
- DTW
1 stop27h 35m
Frontier
Wed 5/271:20 pm
DTW
- ONT
1 stop23h 45m
Frontier
Deal found 5/2![Frontier logo]()
$205
This Trip.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/198:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Sat 5/237:55 am
DTW
- ONT
1 stop29h 10m
Frontier
Deal found 5/1![Frontier logo]()
$208
This Frontier deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:49 am
ONT
- DTW
1 stop10h 10m
Frontier
Tue 7/148:52 am
DTW
- ONT
1 stop11h 57m
Frontier
Deal found 5/5![Frontier logo]()
$210
This Gotogate deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2110:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Tue 5/268:05 am
DTW
- ONT
1 stop29h 00m
Frontier
Deal found 5/3![Frontier logo]()
$215
This CheapOair deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/188:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Mon 6/17:55 am
DTW
- ONT
1 stop29h 10m
Frontier
Deal found 5/1![Frontier logo]()
$216
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 May 6, 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 May 6, 2026.
This Southwest deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/112:40 pm
ONT
- DTW
2 stops8h 35m
Southwest
Thu 6/45:25 am
DTW
- ONT
2 stops8h 55m
Southwest
Deal found 5/2![Southwest logo]()
$470
This KAYAK deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/91:11 pm
ONT
- DTW
1 stop6h 13m
American Airlines
Thu 6/117:21 pm
DTW
- ONT
1 stop7h 38m
American Airlines
Deal found 5/4![American Airlines logo]()
$484
This Alaska Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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.
Fri 5/156:00 am
ONT
- DTW
1 stop8h 12m
Alaska Airlines
Wed 6/36:08 pm
DTW
- ONT
1 stop8h 50m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$530
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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.
Sun 5/171:29 pm
ONT
- DTW
1 stop7h 30m
Delta
Tue 6/28:24 pm
DTW
- ONT
1 stop6h 10m
Delta
Deal found 5/1![Delta logo]()
$530
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/25:45 am
ONT
- DTW
2 stops15h 12m
United Airlines
Wed 6/38:50 am
DTW
- ONT
2 stops11h 38m
United Airlines
Deal found 5/1![United Airlines logo]()
$570
This Southwest deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:40 am
ONT
- DTW
2 stops7h 45m
Southwest
Thu 6/114:00 pm
DTW
- ONT
2 stops9h 10m
Southwest
Deal found 5/4![Southwest logo]()
$504
This Alaska Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:26 pm
ONT
- DTW
1 stop9h 15m
Alaska Airlines
Wed 8/265:34 pm
DTW
- ONT
1 stop8h 50m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$555
This Southwest deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1812:45 pm
ONT
- DTW
2 stops8h 20m
Southwest
Tue 6/237:05 am
DTW
- ONT
2 stops8h 35m
Southwest
Deal found 5/2![Southwest logo]()
$533
This Southwest deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:15 am
ONT
- DTW
2 stops8h 05m
Southwest
Thu 9/106:20 am
DTW
- ONT
2 stops8h 05m
Southwest
Deal found 5/2![Southwest logo]()
$557
This Southwest deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1812:40 pm
ONT
- DTW
2 stops8h 25m
Southwest
Thu 7/96:30 am
DTW
- ONT
2 stops8h 40m
Southwest
Deal found 5/2![Southwest logo]()
$557
This Southwest deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:45 pm
ONT
- DTW
2 stops8h 20m
Southwest
Sun 7/56:30 am
DTW
- ONT
2 stops8h 50m
Southwest
Deal found 5/3![Southwest logo]()
$579
This Southwest deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:00 am
ONT
- DTW
2 stops8h 40m
Southwest
Sun 10/115:30 am
DTW
- ONT
2 stops9h 00m
Southwest
Deal found 5/3![Southwest logo]()
$597
Last-minute flights from Ontario to DetroitDiscover last-minute flight deals from Ontario to Detroit. Data last updated May 6, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Detroit. Data last updated May 6, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Sat 5/237:55 am
DTW
- ONT
1 stop29h 10m
Frontier
Deal found 5/1![Frontier logo]()
$191
This Expedia deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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.
Sat 5/166:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Sat 5/237:55 am
DTW
- ONT
1 stop29h 10m
Frontier
Deal found 5/1![Frontier logo]()
$180
This CheapOair deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/188:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Mon 6/17:55 am
DTW
- ONT
1 stop29h 10m
Frontier
Deal found 5/1![Frontier logo]()
$216
This Trip.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/198:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Sat 5/237:55 am
DTW
- ONT
1 stop29h 10m
Frontier
Deal found 5/1![Frontier logo]()
$208
This CheapOair deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:00 am
ONT
- DTW
1 stop27h 35m
Frontier
Tue 5/268:05 am
DTW
- ONT
1 stop29h 00m
Frontier
Deal found 5/4![Frontier logo]()
$200
This CheapOair deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:00 am
ONT
- DTW
1 stop27h 35m
Frontier
Wed 5/271:20 pm
DTW
- ONT
1 stop23h 45m
Frontier
Deal found 5/2![Frontier logo]()
$205
This Booking.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:00 am
ONT
- DTW
1 stop27h 35m
Frontier
Thu 6/48:52 am
DTW
- ONT
1 stop25h 16m
Frontier
Deal found 5/2![Frontier logo]()
$218
This Gotogate deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2110:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Tue 5/268:05 am
DTW
- ONT
1 stop29h 00m
Frontier
Deal found 5/3![Frontier logo]()
$215
This Mytrip deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Sun 6/78:20 am
DTW
- ONT
1 stop18h 29m
Frontier
Deal found 5/2![Frontier logo]()
$185
This CheapOair deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Thu 6/48:52 am
DTW
- ONT
1 stop25h 16m
Frontier
Deal found 4/30![Frontier logo]()
$196
This Mytrip deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Wed 7/88:00 am
DTW
- ONT
1 stop29h 03m
Frontier
Deal found 5/2![Frontier logo]()
$197
This Gotogate deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Mon 6/18:52 am
DTW
- ONT
1 stop25h 43m
Frontier
Deal found 5/1![Frontier logo]()
$210
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 May 6, 2026.
Search for one-way flight options from Ontario to Detroit. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
This Super.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Deal found 4/30![Frontier logo]()
$85
This Trip.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:00 am
ONT
- DTW
1 stop27h 35m
Frontier
Deal found 5/4![Frontier logo]()
$96
This Super.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Deal found 4/30![Frontier logo]()
$104
This Super.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/206:00 am
ONT
- DTW
1 stop27h 35m
Frontier
Deal found 5/1![Frontier logo]()
$105
This Expedia deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Deal found 5/2![Frontier logo]()
$106
This Trip.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Deal found 5/2![Frontier logo]()
$107
This Super.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:00 am
ONT
- DTW
1 stop27h 35m
Frontier
Deal found 4/30![Frontier logo]()
$109
This Super.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Deal found 5/2![Frontier logo]()
$110
This Frontier deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Deal found 5/5![Frontier logo]()
$111
This Frontier deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2110:49 am
ONT
- DTW
1 stop10h 10m
Frontier
Deal found 5/3![Frontier logo]()
$112
This Trip.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:00 am
ONT
- DTW
1 stop27h 46m
Frontier
Deal found 5/5![Frontier logo]()
$114
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 May 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $180 (Expedia) |
One-way from | $85 (Super.com) |
Popular in | February |
Cheapest in | September |
Average price | $396 |
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 May 6, 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
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Mon 6/1
12:40 pm-12:15 am
2 stops8h 35m
Detroit Metropolitan Wayne County
Thu 6/4
5:25 am-11:20 am
2 stops8h 55m
$470
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Tue 6/9
1:11 pm-10:24 pm
1 stop6h 13m
Detroit Metropolitan Wayne County
Thu 6/11
7:21 pm-11:59 pm
1 stop7h 38m
$484
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Sat 5/30
5:40 am-4:25 pm
2 stops7h 45m
Detroit Metropolitan Wayne County
Thu 6/11
4:00 pm-10:10 pm
2 stops9h 10m
$504
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Fri 5/15
6:00 am-5:12 pm
1 stop8h 12m
Detroit Metropolitan Wayne County
Wed 6/3
6:08 pm-11:58 pm
1 stop8h 50m
$530
Quickest round-trip
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Sun 5/17
1:29 pm-11:59 pm
1 stop7h 30m
Detroit Metropolitan Wayne County
Tue 6/2
8:24 pm-11:34 pm
1 stop6h 10m
$530
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Thu 6/18
12:45 pm-12:05 am
2 stops8h 20m
Detroit Metropolitan Wayne County
Tue 6/23
7:05 am-12:40 pm
2 stops8h 35m
$533
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Thu 8/6
5:26 pm-5:41 am
1 stop9h 15m
Detroit Metropolitan Wayne County
Wed 8/26
5:34 pm-11:24 pm
1 stop8h 50m
$555
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Mon 9/7
5:15 am-4:20 pm
2 stops8h 05m
Detroit Metropolitan Wayne County
Thu 9/10
6:20 am-11:25 am
2 stops8h 05m
$557
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Thu 6/18
12:40 pm-12:05 am
2 stops8h 25m
Detroit Metropolitan Wayne County
Thu 7/9
6:30 am-12:10 pm
2 stops8h 40m
$557
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Tue 6/2
5:45 am-11:57 pm
2 stops15h 12m
Detroit Metropolitan Wayne County
Wed 6/3
8:50 am-5:28 pm
2 stops11h 38m
$570
Showing 1-10 of 23 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 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 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.
ONT-DTT
ONT-DTW
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
ONT-DTT
ONT-DTW
How far ahead should I book a flight from Ontario to Detroit?
Booking 58 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.
What is the cheapest month to book a flight from Ontario to Detroit?
Currently, June is the cheapest month in which you can book a flight from Ontario to Detroit (average of $128). Flying from Ontario to Detroit in January is currently the most expensive (average of $296). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Ontario to Detroit?
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 May 6, 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.
Crew
8.6
Boarding
8.1
Overall
7.9
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Boarding
8.1
Overall
7.9
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Boarding
8.1
Overall
7.9
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Boarding
8.1
Overall
7.9
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Boarding
8.1
Overall
7.9
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Boarding
8.1
Overall
7.9
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
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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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 May 6, 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 May 6, 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 May 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Ontario to Detroit
Discover the top 6 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 May 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$177 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$170 | Average$310 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$272 | Average$427 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$277 | Average$475 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$305 | Average$567 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$321 | Average$581 | FlexibilityNo cancel fee | On-time69% |