$80+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DTT
May 15 — May 221
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
Cheapest
Best
Last-minute
One-way
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 15, 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 15, 2026.
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 Trip.com deal was found by Cheapflights users on 4/10. 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
Mon 5/111:20 pm
DTW
- ONT
1 stop23h 45m
Frontier
Deal found 4/10![Frontier logo]()
$170
This CheapOair deal was found by Cheapflights users on 4/10. 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.
Sun 5/312:59 am
ONT
- DTW
1 stop21h 58m
Frontier
Fri 5/87:55 am
DTW
- ONT
1 stop18h 54m
Frontier
Deal found 4/10![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 4/10. 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 5/610:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Mon 5/116:05 pm
DTW
- ONT
2 stops40h 30m
Frontier
Deal found 4/10![Frontier logo]()
$182
This Mytrip deal was found by Cheapflights users on 4/10. 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.
Thu 4/2312:59 am
ONT
- DTW
1 stop6h 59m
Frontier
Fri 5/110:27 pm
DTW
- ONT
1 stop28h 28m
Frontier
Deal found 4/10![Frontier logo]()
$186
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.
Sat 5/212:59 am
ONT
- DTW
1 stop6h 59m
Frontier
Wed 5/208:52 am
DTW
- ONT
1 stop25h 16m
Frontier
Deal found 4/14![Frontier logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 4/11. 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 5/1210:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Sat 5/167:55 am
DTW
- ONT
2 stops14h 37m
Frontier
Deal found 4/11![Frontier logo]()
$189
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 15, 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 15, 2026.
This Delta deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/21:29 pm
ONT
- DTW
1 stop7h 30m
Delta
Tue 6/96:20 am
DTW
- ONT
1 stop7h 20m
Delta
Deal found 4/12![Delta logo]()
$397
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 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 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:59 pm
ONT
- DTW
1 stop7h 25m
Delta
Wed 8/267:05 am
DTW
- ONT
2 stops17h 51m
Delta
Deal found 4/12![Delta logo]()
$417
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 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
This Delta deal was found by Cheapflights users on 4/10. 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 8/1610:59 pm
ONT
- DTW
1 stop9h 01m
Delta
Sat 9/58:10 am
DTW
- ONT
1 stop7h 19m
Delta
Deal found 4/10![Delta logo]()
$547
This Delta deal was found by Cheapflights users on 4/10. 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 8/1610:59 pm
ONT
- DTW
1 stop9h 01m
Delta
Sun 8/308:05 pm
DTW
- ONT
1 stop6h 39m
Delta
Deal found 4/10![Delta logo]()
$547
Last-minute flights from Ontario to DetroitDiscover last-minute flight deals from Ontario to Detroit. Data last updated April 15, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Detroit. Data last updated April 15, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 4/10. 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.
Thu 4/2312:59 am
ONT
- DTW
1 stop6h 59m
Frontier
Fri 5/110:27 pm
DTW
- ONT
1 stop28h 28m
Frontier
Deal found 4/10![Frontier logo]()
$186
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.
Sat 5/212:59 am
ONT
- DTW
1 stop6h 59m
Frontier
Wed 5/208:52 am
DTW
- ONT
1 stop25h 16m
Frontier
Deal found 4/14![Frontier logo]()
$187
This CheapOair deal was found by Cheapflights users on 4/10. 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.
Sun 5/312:59 am
ONT
- DTW
1 stop21h 58m
Frontier
Fri 5/87:55 am
DTW
- ONT
1 stop18h 54m
Frontier
Deal found 4/10![Frontier logo]()
$171
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 Trip.com deal was found by Cheapflights users on 4/10. 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
Mon 5/111:20 pm
DTW
- ONT
1 stop23h 45m
Frontier
Deal found 4/10![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 4/10. 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 5/610:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Mon 5/116:05 pm
DTW
- ONT
2 stops40h 30m
Frontier
Deal found 4/10![Frontier logo]()
$182
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 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 4/11. 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 5/1210:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Sat 5/167:55 am
DTW
- ONT
2 stops14h 37m
Frontier
Deal found 4/11![Frontier logo]()
$189
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 15, 2026.
Search for one-way flight options from Ontario to Detroit. Find affordable one-way fares based on user searches. Data last updated April 15, 2026.
This CheapOair deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair 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
Deal found 4/12![Frontier logo]()
$80
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 CheapOair deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:00 am
ONT
- DTW
1 stop27h 35m
Frontier
Deal found 4/12![Frontier logo]()
$92
This Super.com deal was found by Cheapflights users on 4/10. 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 4/2312:59 am
ONT
- DTW
1 stop6h 59m
Frontier
Deal found 4/10![Frontier logo]()
$99
This Frontier deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:59 am
ONT
- DTW
1 stop6h 59m
Frontier
Deal found 4/11![Frontier logo]()
$100
This Mytrip deal was found by Cheapflights users on 4/10. 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.
Thu 5/286:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Deal found 4/10![Frontier logo]()
$111
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 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $160 (Expedia) |
One-way from | $80 (WAYA) |
Popular in | February |
Cheapest in | September |
Average price | $484 |
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 15, 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
Tue 6/2
1:29 pm-11:59 pm
1 stop7h 30m
Detroit Metropolitan Wayne County
Tue 6/9
6:20 am-10:40 am
1 stop7h 20m
$397
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Wed 8/19
10:59 pm-9:24 am
1 stop7h 25m
Detroit Metropolitan Wayne County
Wed 8/26
7:05 am-9:56 pm
2 stops17h 51m
$417
Quickest round-trip
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
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
Sun 8/16
10:59 pm-11:00 am
1 stop9h 01m
Detroit Metropolitan Wayne County
Sat 9/5
8:10 am-12:29 pm
1 stop7h 19m
$547
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Sun 8/16
10:59 pm-11:00 am
1 stop9h 01m
Detroit Metropolitan Wayne County
Sun 8/30
8:05 pm-11:44 pm
1 stop6h 39m
$547
Cheapest one-way
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Tue 5/26
4:03 pm-5:49 am
1 stop10h 46m
$220
Showing 1-10 of 20 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.
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
What is the cheapest month to book a flight from Ontario to Detroit?
Currently, September is the cheapest month in which you can book a flight from Ontario to Detroit (average of $109). Flying from Ontario to Detroit in April is currently the most expensive (average of $190). 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 15, 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.
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
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.
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Port Huron
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Ontario and Detroit flights
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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 15, 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% |