$81+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DTT
May 18 — May 251
Round-trip
1 adult, Economy
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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 April 18, 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 April 18, 2026.
This Trip.com deal was found by Cheapflights users on 4/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2010:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Tue 5/268:52 am
DTW
- ONT
1 stop25h 43m
Frontier
Deal found 4/17![Frontier logo]()
$154
This CheapOair deal was found by Cheapflights users on 4/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:50 am
ONT
- DTW
1 stop22h 45m
Frontier
Sun 5/108:52 am
DTW
- ONT
1 stop25h 43m
Frontier
Deal found 4/14![Frontier logo]()
$160
This Frontier deal was found by Cheapflights users on 4/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Wed 5/137:45 am
DTW
- ONT
1 stop19h 04m
Frontier
Deal found 4/14![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/510:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Tue 5/127:55 am
DTW
- ONT
1 stop29h 10m
Frontier
Deal found 4/13![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 4/13. 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.
Sat 5/910:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Tue 5/127:55 am
DTW
- ONT
1 stop29h 10m
Frontier
Deal found 4/13![Frontier logo]()
$170
This CheapOair deal was found by Cheapflights users on 4/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:50 am
ONT
- DTW
1 stop22h 45m
Frontier
Mon 5/117:55 am
DTW
- ONT
1 stop29h 10m
Frontier
Deal found 4/15![Frontier logo]()
$171
This Booking.com deal was found by Cheapflights users on 4/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/88:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Mon 5/118:52 am
DTW
- ONT
1 stop25h 43m
Frontier
Deal found 4/14![Frontier logo]()
$172
This Expedia deal was found by Cheapflights users on 4/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/610:50 am
ONT
- DTW
1 stop22h 45m
Frontier
Wed 5/138:52 am
DTW
- ONT
1 stop25h 43m
Frontier
Deal found 4/17![Frontier logo]()
$180
This Booking.com deal was found by Cheapflights users on 4/15. 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.
Sat 5/212:59 am
ONT
- DTW
1 stop6h 59m
Frontier
Wed 5/68:52 am
DTW
- ONT
1 stop25h 43m
Frontier
Deal found 4/15![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Mon 5/257:53 pm
DTW
- ONT
2 stops15h 11m
Frontier
Deal found 4/15![Frontier logo]()
$184
This Frontier deal was found by Cheapflights users on 4/16. 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.
Wed 5/1310:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Fri 5/151:20 pm
DTW
- ONT
1 stop13h 29m
Frontier
Deal found 4/16![Frontier logo]()
$185
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 April 18, 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 April 18, 2026.
This Delta deal was found by Cheapflights users on 4/13. 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 5/412:49 pm
ONT
- DTW
1 stop8h 55m
Delta
Wed 5/134:30 pm
DTW
- ONT
1 stop8h 18m
Delta
Deal found 4/13![Delta logo]()
$418
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:26 pm
ONT
- DTW
1 stop11h 18m
Alaska Airlines
Sat 5/95:14 pm
DTW
- ONT
1 stop8h 18m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$482
This Southwest deal was found by Cheapflights users on 4/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1812:40 pm
ONT
- DTW
2 stops8h 35m
Southwest
Sat 5/2310:40 am
DTW
- ONT
2 stops7h 55m
Southwest
Deal found 4/14![Southwest logo]()
$489
This United Airlines deal was found by Cheapflights users on 4/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:00 am
ONT
- DTW
1 stop6h 31m
United Airlines
Sat 5/911:15 am
DTW
- ONT
2 stops12h 21m
United Airlines
Deal found 4/14![United Airlines logo]()
$502
This Delta deal was found by Cheapflights users on 4/13. 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 5/410:15 pm
ONT
- DTW
2 stops17h 08m
Delta
Thu 5/146:15 am
DTW
- ONT
1 stop7h 42m
Delta
Deal found 4/13![Delta logo]()
$456
This Delta deal was found by Cheapflights users on 4/13. 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 5/41:29 pm
ONT
- DTW
1 stop7h 29m
Delta
Mon 5/118:24 pm
DTW
- ONT
1 stop6h 10m
Delta
Deal found 4/13![Delta logo]()
$459
This Southwest deal was found by Cheapflights users on 4/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/811:35 am
ONT
- DTW
2 stops7h 45m
Southwest
Mon 5/113:00 pm
DTW
- ONT
2 stops8h 40m
Southwest
Deal found 4/17![Southwest logo]()
$548
This Delta deal was found by Cheapflights users on 4/15. 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.
Wed 8/126:00 am
ONT
- DTW
1 stop6h 13m
Delta
Mon 8/178:05 pm
DTW
- ONT
1 stop6h 39m
Delta
Deal found 4/15![Delta logo]()
$486
This Delta deal was found by Cheapflights users on 4/13. 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 5/410:15 pm
ONT
- DTW
2 stops17h 08m
Delta
Sun 5/108:24 pm
DTW
- ONT
1 stop6h 10m
Delta
Deal found 4/13![Delta logo]()
$490
This Delta deal was found by Cheapflights users on 4/13. 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.
Fri 5/810:00 pm
ONT
- DTW
2 stops18h 11m
Delta
Thu 5/146:15 am
DTW
- ONT
1 stop7h 42m
Delta
Deal found 4/13![Delta logo]()
$511
Last-minute flights from Ontario to DetroitDiscover last-minute flight deals from Ontario to Detroit. Data last updated April 18, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Detroit. Data last updated April 18, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 4/15. 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.
Sat 5/212:59 am
ONT
- DTW
1 stop6h 59m
Frontier
Wed 5/68:52 am
DTW
- ONT
1 stop25h 43m
Frontier
Deal found 4/15![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/510:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Tue 5/127:55 am
DTW
- ONT
1 stop29h 10m
Frontier
Deal found 4/13![Frontier logo]()
$163
This Expedia deal was found by Cheapflights users on 4/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/610:50 am
ONT
- DTW
1 stop22h 45m
Frontier
Wed 5/138:52 am
DTW
- ONT
1 stop25h 43m
Frontier
Deal found 4/17![Frontier logo]()
$180
This CheapOair deal was found by Cheapflights users on 4/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:50 am
ONT
- DTW
1 stop22h 45m
Frontier
Sun 5/108:52 am
DTW
- ONT
1 stop25h 43m
Frontier
Deal found 4/14![Frontier logo]()
$160
This Frontier deal was found by Cheapflights users on 4/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Wed 5/137:45 am
DTW
- ONT
1 stop19h 04m
Frontier
Deal found 4/14![Frontier logo]()
$161
This CheapOair deal was found by Cheapflights users on 4/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:00 am
ONT
- DTW
1 stop27h 35m
Frontier
Tue 5/127:55 am
DTW
- ONT
1 stop29h 10m
Frontier
Deal found 4/15![Frontier logo]()
$171
This Booking.com deal was found by Cheapflights users on 4/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/88:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Mon 5/118:52 am
DTW
- ONT
1 stop25h 43m
Frontier
Deal found 4/14![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 4/13. 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.
Sat 5/910:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Tue 5/127:55 am
DTW
- ONT
1 stop29h 10m
Frontier
Deal found 4/13![Frontier logo]()
$170
This Frontier deal was found by Cheapflights users on 4/16. 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.
Wed 5/1310:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Fri 5/151:20 pm
DTW
- ONT
1 stop13h 29m
Frontier
Deal found 4/16![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Mon 5/257:53 pm
DTW
- ONT
2 stops15h 11m
Frontier
Deal found 4/15![Frontier logo]()
$184
This Trip.com deal was found by Cheapflights users on 4/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2010:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Tue 5/268:52 am
DTW
- ONT
1 stop25h 43m
Frontier
Deal found 4/17![Frontier logo]()
$154
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 April 18, 2026.
Search for one-way flight options from Ontario to Detroit. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
This Trip.com deal was found by Cheapflights users on 4/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/510:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Deal found 4/13![Frontier logo]()
$81
This Trip.com deal was found by Cheapflights users on 4/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Deal found 4/14![Frontier logo]()
$82
This Super.com deal was found by Cheapflights users on 4/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/312:59 am
ONT
- DTW
1 stop21h 58m
Frontier
Deal found 4/13![Frontier logo]()
$85
This WAYA deal was found by Cheapflights users on 4/13. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/610:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Deal found 4/13![Frontier logo]()
$86
This Frontier deal was found by Cheapflights users on 4/17. 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.
Wed 5/2010:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Deal found 4/17![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 Kiwi.com 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 4/15![Frontier logo]()
$89
This CheapOair deal was found by Cheapflights users on 4/17. 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 5/96:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Deal found 4/17![Frontier logo]()
$92
This Booking.com deal was found by Cheapflights users on 4/17. 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 5/148:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Deal found 4/17![Frontier logo]()
$93
This Super.com deal was found by Cheapflights users on 4/17. 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.
Thu 4/3012:59 am
ONT
- DTW
1 stop6h 59m
Frontier
Deal found 4/17![Frontier logo]()
$103
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 April 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $154 (Trip.com) |
One-way from | $81 (Trip.com) |
Popular in | February |
Cheapest in | September |
Average price | $509 |
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 April 18, 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 5/4
12:49 pm-12:44 am
1 stop8h 55m
Detroit Metropolitan Wayne County
Wed 5/13
4:30 pm-9:48 pm
1 stop8h 18m
$418
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Mon 5/4
10:15 pm-6:23 pm
2 stops17h 08m
Detroit Metropolitan Wayne County
Thu 5/14
6:15 am-10:57 am
1 stop7h 42m
$456
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Mon 5/4
1:29 pm-11:58 pm
1 stop7h 29m
Detroit Metropolitan Wayne County
Mon 5/11
8:24 pm-11:34 pm
1 stop6h 10m
$459
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Tue 5/5
3:26 pm-5:44 am
1 stop11h 18m
Detroit Metropolitan Wayne County
Sat 5/9
5:14 pm-10:32 pm
1 stop8h 18m
$482
Quickest round-trip
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Wed 8/12
6:00 am-3:13 pm
1 stop6h 13m
Detroit Metropolitan Wayne County
Mon 8/17
8:05 pm-11:44 pm
1 stop6h 39m
$486
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Mon 5/18
12:40 pm-12:15 am
2 stops8h 35m
Detroit Metropolitan Wayne County
Sat 5/23
10:40 am-3:35 pm
2 stops7h 55m
$489
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Mon 5/4
10:15 pm-6:23 pm
2 stops17h 08m
Detroit Metropolitan Wayne County
Sun 5/10
8:24 pm-11:34 pm
1 stop6h 10m
$490
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Tue 5/5
5:00 am-2:31 pm
1 stop6h 31m
Detroit Metropolitan Wayne County
Sat 5/9
11:15 am-8:36 pm
2 stops12h 21m
$502
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Fri 5/8
10:00 pm-7:11 pm
2 stops18h 11m
Detroit Metropolitan Wayne County
Thu 5/14
6:15 am-10:57 am
1 stop7h 42m
$511
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Fri 5/8
11:35 am-10:20 pm
2 stops7h 45m
Detroit Metropolitan Wayne County
Mon 5/11
3:00 pm-8:40 pm
2 stops8h 40m
$548
Showing 1-10 of 22 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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Ontario-Detroit flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Detroit flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Detroit flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Detroit flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Detroit flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Detroit
Have a flexible travel schedule? Discover the best time to fly to Detroit from Ontario with our price prediction graph.
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Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Detroit
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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 April 18, 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
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
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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Alternative routes for Ontario to Detroit
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Complete your trip
Complete your trip to Detroit by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Detroit
Explore flights to Detroit departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 18, 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 April 18, 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 April 18, 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 April 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$177 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$170 | Average$298 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$272 | Average$446 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$276 | Average$439 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$305 | Average$567 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$321 | Average$489 | FlexibilityNo cancel fee | On-time69% |