$125+ Cheap flights from Ontario to Detroit Metropolitan Wayne County Airport (ONT - DTW)
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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DTW
Sep 2 — Sep 91
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 August 3, 2026.
Explore the most affordable flight options available from Ontario to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 3, 2026.
This deal was found by Cheapflights users on 7/29. 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.
Thu 11/1912:30 am
ONT
- DTW
1 stop7h 45m
Frontier
Mon 11/235:49 pm
DTW
- ONT
1 stop8h 46m
Frontier
Deal found 7/29![Frontier logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:37 am
ONT
- DTW
1 stop29h 38m
Frontier
Thu 9/1710:29 pm
DTW
- ONT
1 stop23h 10m
Frontier
Deal found 8/1![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:11 pm
ONT
- DTW
1 stop11h 41m
Frontier
Wed 10/710:37 am
DTW
- ONT
1 stop10h 39m
Frontier
Deal found 8/1![Frontier logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:17 am
ONT
- DTW
1 stop30h 58m
Frontier
Sat 9/57:30 pm
DTW
- ONT
1 stop16h 08m
Frontier
Deal found 8/2![Frontier logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:46 pm
ONT
- DTW
1 stop11h 06m
Frontier
Sun 9/2012:33 pm
DTW
- ONT
1 stop8h 15m
Frontier
Deal found 8/2![Frontier logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:11 pm
ONT
- DTW
1 stop11h 41m
Frontier
Wed 9/2310:37 am
DTW
- ONT
1 stop10h 39m
Frontier
Deal found 8/2![Frontier logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:11 pm
ONT
- DTW
1 stop21h 12m
Frontier
Tue 9/229:08 pm
DTW
- ONT
1 stop24h 08m
Frontier
Deal found 7/29![Frontier logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:11 pm
ONT
- DTW
1 stop23h 21m
Frontier
Mon 9/2810:27 pm
DTW
- ONT
1 stop21h 19m
Frontier
Deal found 7/29![Frontier logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:59 am
ONT
- DTW
1 stop28h 56m
Frontier
Sun 8/307:30 pm
DTW
- ONT
1 stop16h 08m
Frontier
Deal found 7/28![Frontier logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:11 pm
ONT
- DTW
1 stop11h 41m
Frontier
Wed 9/1610:37 am
DTW
- ONT
1 stop10h 39m
Frontier
Deal found 7/30![Frontier logo]()
$255
Best flights from Ontario to DetroitDiscover carefully curated flight deals from Ontario to Detroit that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 3, 2026.
Discover carefully curated flight deals from Ontario to Detroit that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 3, 2026.
This Delta deal was found by Cheapflights users on 7/28. 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 9/21:06 pm
ONT
- DTW
1 stop7h 53m
Delta
Sat 9/268:25 am
DTW
- ONT
1 stop6h 49m
Delta
Deal found 7/28![Delta logo]()
$403
This Southwest deal was found by Cheapflights users on 7/29. 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 9/236:40 am
ONT
- DTW
2 stops8h 45m
Southwest
Mon 9/286:20 am
DTW
- ONT
2 stops8h 05m
Southwest
Deal found 7/29![Southwest logo]()
$413
This United Airlines deal was found by Cheapflights users on 8/1. 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 9/11:18 pm
ONT
- DTW
1 stop6h 20m
United Airlines
Wed 9/97:11 pm
DTW
- ONT
1 stop6h 48m
United Airlines
Deal found 8/1![United Airlines logo]()
$495
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:00 am
ONT
- DTW
1 stop6h 09m
Delta
Wed 9/308:20 pm
DTW
- ONT
1 stop6h 27m
Delta
Deal found 7/28![Delta logo]()
$461
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/291:22 pm
ONT
- DTW
1 stop6h 17m
United Airlines
Sat 10/32:02 pm
DTW
- ONT
2 stops11h 49m
United Airlines
Deal found 7/31![United Airlines logo]()
$500
This Delta deal was found by Cheapflights users on 8/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:06 pm
ONT
- DTW
1 stop7h 53m
Delta
Thu 9/176:05 pm
DTW
- ONT
1 stop7h 19m
Delta
Deal found 8/2![Delta logo]()
$467
This Southwest deal was found by Cheapflights users on 7/31. 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 9/1012:35 pm
ONT
- DTW
2 stops8h 05m
Southwest
Mon 9/145:00 pm
DTW
- ONT
2 stops7h 50m
Southwest
Deal found 7/31![Southwest logo]()
$514
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Sat 8/295:00 am
ONT
- DTW
2 stops8h 57m
United Airlines
Sat 9/129:06 am
DTW
- ONT
1 stop6h 44m
United Airlines
Deal found 8/1![United Airlines logo]()
$500
This Southwest deal was found by Cheapflights users on 7/31. 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 9/312:35 pm
ONT
- DTW
2 stops8h 10m
Southwest
Sun 9/66:50 am
DTW
- ONT
2 stops9h 45m
Southwest
Deal found 7/31![Southwest logo]()
$536
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Sat 8/225:00 am
ONT
- DTW
2 stops8h 57m
United Airlines
Mon 8/246:10 pm
DTW
- ONT
1 stop7h 25m
United Airlines
Deal found 8/1![United Airlines logo]()
$500
This Delta deal was found by Cheapflights users on 7/31. 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 8/171:06 pm
ONT
- DTW
1 stop7h 53m
Delta
Thu 8/276:20 am
DTW
- ONT
1 stop7h 22m
Delta
Deal found 7/31![Delta logo]()
$535
This Southwest deal was found by Cheapflights users on 7/29. 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 8/199:40 am
ONT
- DTW
2 stops8h 50m
Southwest
Sun 8/236:35 am
DTW
- ONT
2 stops8h 10m
Southwest
Deal found 7/29![Southwest logo]()
$594
Last-minute flights from Ontario to DetroitDiscover last-minute flight deals from Ontario to Detroit. Data last updated August 3, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Detroit. Data last updated August 3, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/189:37 am
ONT
- DTW
1 stop29h 38m
Frontier
Sun 8/237:30 pm
DTW
- ONT
1 stop16h 08m
Frontier
Deal found 7/29![Frontier logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Mon 8/244:37 pm
DTW
- ONT
2 stops29h 24m
Frontier
Deal found 7/29![Frontier logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:56 pm
ONT
- DTW
1 stop12h 29m
Frontier
Sun 8/237:30 pm
DTW
- ONT
1 stop16h 08m
Frontier
Deal found 7/29![Frontier logo]()
$288
This Frontier deal was found by Cheapflights users on 7/29. 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 8/2010:49 am
ONT
- DTW
1 stop10h 10m
Frontier
Mon 8/248:30 am
DTW
- ONT
1 stop10h 52m
Frontier
Deal found 7/29![Frontier logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:59 am
ONT
- DTW
1 stop28h 56m
Frontier
Sun 8/307:30 pm
DTW
- ONT
1 stop16h 08m
Frontier
Deal found 7/28![Frontier logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:33 am
ONT
- DTW
1 stop30h 22m
Frontier
Sun 8/307:30 pm
DTW
- ONT
1 stop16h 08m
Frontier
Deal found 7/28![Frontier logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:17 am
ONT
- DTW
1 stop30h 58m
Frontier
Sat 9/57:30 pm
DTW
- ONT
1 stop16h 08m
Frontier
Deal found 8/2![Frontier logo]()
$249
One-way flights from Ontario to DetroitSearch for one-way flight options from Ontario to Detroit. Find affordable one-way fares based on user searches. Data last updated August 3, 2026.
Search for one-way flight options from Ontario to Detroit. Find affordable one-way fares based on user searches. Data last updated August 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:17 am
ONT
- DTW
1 stop30h 58m
Frontier
Deal found 7/31![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:37 am
ONT
- DTW
1 stop29h 38m
Frontier
Deal found 7/31![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:56 pm
ONT
- DTW
2 stops19h 59m
Frontier
Deal found 7/29![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:59 am
ONT
- DTW
1 stop28h 56m
Frontier
Deal found 7/31![Frontier logo]()
$129
This Super.com deal was found by Cheapflights users on 7/30. 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 8/208:17 am
ONT
- DTW
1 stop6h 58m
Frontier
Deal found 7/30![Frontier logo]()
$130
This Super.com deal was found by Cheapflights users on 7/30. 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 10/222:55 pm
ONT
- DTW
1 stop6h 29m
Frontier
Deal found 7/30![Frontier logo]()
$131
This Frontier deal was found by Cheapflights users on 7/28. 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 9/38:17 am
ONT
- DTW
1 stop6h 58m
Frontier
Deal found 7/28![Frontier logo]()
$132
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:48 am
ONT
- DTW
1 stop7h 15m
Frontier
Deal found 7/30![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:59 am
ONT
- DTW
1 stop28h 56m
Frontier
Deal found 7/31![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 8/186:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Deal found 7/28![Frontier logo]()
$136
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:40 pm
ONT
- DTW
1 stop11h 40m
Frontier
Deal found 7/30![Frontier logo]()
$138
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 (DTW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $202 |
One-way from | $125 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $470 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Detroit that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 3, 2026.
Use the filters below to find and compare flights from Ontario to Detroit Metropolitan Wayne County Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Wed 9/2
1:06 pm-11:59 pm
1 stop7h 53m
Detroit Metropolitan Wayne County
Sat 9/26
8:25 am-12:14 pm
1 stop6h 49m
$403
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Wed 9/23
6:40 am-6:25 pm
2 stops8h 45m
Detroit Metropolitan Wayne County
Mon 9/28
6:20 am-11:25 am
2 stops8h 05m
$413
Quickest round-trip
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Sat 8/29
6:00 am-3:09 pm
1 stop6h 09m
Detroit Metropolitan Wayne County
Wed 9/30
8:20 pm-11:47 pm
1 stop6h 27m
$461
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Tue 8/25
1:06 pm-11:59 pm
1 stop7h 53m
Detroit Metropolitan Wayne County
Thu 9/17
6:05 pm-10:24 pm
1 stop7h 19m
$467
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Tue 9/1
1:18 pm-10:38 pm
1 stop6h 20m
Detroit Metropolitan Wayne County
Wed 9/9
7:11 pm-10:59 pm
1 stop6h 48m
$495
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Tue 9/29
1:22 pm-10:39 pm
1 stop6h 17m
Detroit Metropolitan Wayne County
Sat 10/3
2:02 pm-10:51 pm
2 stops11h 49m
$500
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Sat 8/29
5:00 am-4:57 pm
2 stops8h 57m
Detroit Metropolitan Wayne County
Sat 9/12
9:06 am-12:50 pm
1 stop6h 44m
$500
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Sat 8/22
5:00 am-4:57 pm
2 stops8h 57m
Detroit Metropolitan Wayne County
Mon 8/24
6:10 pm-10:35 pm
1 stop7h 25m
$500
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Thu 9/10
12:35 pm-11:40 pm
2 stops8h 05m
Detroit Metropolitan Wayne County
Mon 9/14
5:00 pm-9:50 pm
2 stops7h 50m
$514
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Mon 8/17
1:06 pm-11:59 pm
1 stop7h 53m
Detroit Metropolitan Wayne County
Thu 8/27
6:20 am-10:42 am
1 stop7h 22m
$535
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from Ontario to Detroit
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Detroit in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Detroit Metropolitan Wayne County Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Detroit Metropolitan Wayne County Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Detroit Metropolitan Wayne County Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Detroit Metropolitan Wayne County Airport 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 Metropolitan Wayne County Airport 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-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 Metropolitan Wayne County Airport
How far ahead should I book a flight from Ontario to Detroit Metropolitan Wayne County Airport?
The best time to book flights from Ontario to Detroit Metropolitan Wayne County Airport is 37 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Ontario to Detroit Metropolitan Wayne County Airport?
Currently, October is the cheapest month in which you can book a flight from Ontario to Detroit Metropolitan Wayne County Airport (average of $298). Flying from Ontario to Detroit Metropolitan Wayne County Airport in June is currently the most expensive (average of $568). 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 Metropolitan Wayne County Airport?
Airfare is below average for this route at the moment.
Ontario to Detroit Metropolitan Wayne County Airport flights typically cost between $402 and $576 in November.The cheapest round-trip price found within the last 5 days was $202 on Frontier (Nov 19-Nov 23).
Reviews of airlines servicing Detroit
Get insights into the airlines that provide service to Detroit. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Detroit. Reviews last updated August 3, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Ontario to Detroit Metropolitan Wayne County Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Ontario to Detroit. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Detroit Metropolitan Wayne County Airport?
Book flights to Detroit Metropolitan Wayne County Airport if you plan to visit one of these locationsDearborn
Southfield
Sterling Heights
Troy
Auburn Hills
Pontiac
Warren
Rochester Hills
Livonia
Southgate
Allen Park
Romulus
Roseville
Utica
Ypsilanti
Plymouth
Fremont
Port Huron
Waterford
Madison Heights
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Ontario to Detroit
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Complete your trip
Complete your trip to Detroit by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Detroit
Explore flights to Detroit departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 3, 2026.
Search flights from Ontario to Detroit by cabin class
Find flights from Ontario to Detroit, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Detroit flights
Browse other Ontario and Detroit flight options. Last updated on August 3, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on August 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Ontario to Detroit
Discover the top 5 airlines that operate flights from Ontario to Detroit. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$170 | Average$326 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$277 | Average$498 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$296 | Average$495 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$305 | Average$567 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$340 | Average$581 | FlexibilityNo cancel fee | On-time69% |