$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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DTT
May 3 — May 101
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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Best
Last-minute
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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 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 April 3, 2026.
This Frontier deal was found by Cheapflights users on 3/31. 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 Frontier 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
Sun 4/2610:27 pm
DTW
- ONT
1 stop12h 04m
Frontier
Deal found 3/31![Frontier logo]()
$160
This Booking.com deal was found by Cheapflights users on 3/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:26 am
ONT
- DTW
1 stop25h 21m
Frontier
Sun 4/2610:27 pm
DTW
- ONT
1 stop12h 04m
Frontier
Deal found 3/31![Frontier logo]()
$161
This Booking.com deal was found by Cheapflights users on 4/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/228:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Sun 5/248:52 am
DTW
- ONT
1 stop25h 16m
Frontier
Deal found 4/1![Frontier logo]()
$162
This Mytrip deal was found by Cheapflights users on 3/29. 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 Mytrip 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
Thu 5/77:55 am
DTW
- ONT
1 stop29h 10m
Frontier
Deal found 3/29![Frontier logo]()
$166
This Booking.com deal was found by Cheapflights users on 3/29. 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 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
Thu 5/77:55 am
DTW
- ONT
1 stop29h 10m
Frontier
Deal found 3/29![Frontier logo]()
$167
This CheapOair deal was found by Cheapflights users on 3/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Mon 5/117:55 am
DTW
- ONT
1 stop29h 10m
Frontier
Deal found 3/31![Frontier logo]()
$171
This Booking.com deal was found by Cheapflights users on 3/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/228:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Tue 5/268:52 am
DTW
- ONT
1 stop25h 43m
Frontier
Deal found 3/31![Frontier logo]()
$172
This Priceline deal was found by Cheapflights users on 3/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:59 am
ONT
- DTW
1 stop6h 59m
Frontier
Mon 4/2010:05 am
DTW
- ONT
1 stop9h 33m
Frontier
Deal found 3/30![Frontier logo]()
$180
This Orbitz deal was found by Cheapflights users on 3/31. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:56 am
ONT
- DTW
1 stop24h 51m
Frontier
Mon 5/410:05 am
DTW
- ONT
1 stop9h 33m
Frontier
Deal found 3/31![Frontier logo]()
$185
This Booking.com deal was found by Cheapflights users on 3/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/228:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Mon 5/258:52 am
DTW
- ONT
1 stop25h 43m
Frontier
Deal found 3/31![Frontier logo]()
$186
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 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 April 3, 2026.
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:49 pm
ONT
- DTW
2 stops16h 06m
Delta
Sat 5/25:59 pm
DTW
- ONT
1 stop7h 44m
Delta
Deal found 3/30![Delta logo]()
$397
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:00 am
ONT
- DTW
1 stop7h 31m
United Airlines
Sat 5/21:41 pm
DTW
- ONT
2 stops12h 18m
United Airlines
Deal found 3/30![United Airlines logo]()
$462
This Alaska Airlines deal was found by Cheapflights users on 3/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/103:26 pm
ONT
- DTW
1 stop11h 18m
Alaska Airlines
Thu 5/286:08 pm
DTW
- ONT
1 stop8h 50m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$512
This Southwest deal was found by Cheapflights users on 4/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/245:45 am
ONT
- DTW
2 stops9h 10m
Southwest
Sun 6/286:35 pm
DTW
- ONT
2 stops8h 05m
Southwest
Deal found 4/1![Southwest logo]()
$523
This Delta deal was found by Cheapflights users on 3/31. 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.
Wed 5/201:29 pm
ONT
- DTW
1 stop7h 30m
Delta
Tue 5/268:20 am
DTW
- ONT
1 stop6h 59m
Delta
Deal found 3/31![Delta logo]()
$447
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:00 am
ONT
- DTW
1 stop6h 20m
Delta
Wed 4/2912:15 pm
DTW
- ONT
1 stop7h 10m
Delta
Deal found 3/30![Delta logo]()
$452
This Southwest deal was found by Cheapflights users on 3/29. 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.
Mon 9/711:55 pm
ONT
- DTW
1 stop8h 00m
Southwest
Sun 9/135:35 am
DTW
- ONT
2 stops9h 10m
Southwest
Deal found 3/29![Southwest logo]()
$552
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/23:26 pm
ONT
- DTW
1 stop11h 18m
Alaska Airlines
Mon 5/47:09 am
DTW
- ONT
1 stop10h 23m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$556
This United Airlines deal was found by Cheapflights users on 3/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/51:40 pm
ONT
- DTW
1 stop6h 13m
United Airlines
Fri 5/87:15 am
DTW
- ONT
2 stops13h 37m
United Airlines
Deal found 3/29![United Airlines logo]()
$557
This Delta deal was found by Cheapflights users on 4/1. 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.
Wed 7/11:00 pm
ONT
- DTW
1 stop8h 09m
Delta
Mon 7/65:40 pm
DTW
- ONT
1 stop9h 05m
Delta
Deal found 4/1![Delta logo]()
$513
Last-minute flights from Ontario to DetroitDiscover last-minute flight deals from Ontario to Detroit. Data last updated April 3, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Detroit. Data last updated April 3, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 3/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:59 am
ONT
- DTW
1 stop6h 59m
Frontier
Mon 4/2010:05 am
DTW
- ONT
1 stop9h 33m
Frontier
Deal found 3/30![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 3/31. 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 Frontier 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
Sun 4/2610:27 pm
DTW
- ONT
1 stop12h 04m
Frontier
Deal found 3/31![Frontier logo]()
$160
This Booking.com deal was found by Cheapflights users on 3/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:26 am
ONT
- DTW
1 stop25h 21m
Frontier
Sun 4/2610:27 pm
DTW
- ONT
1 stop12h 04m
Frontier
Deal found 3/31![Frontier logo]()
$161
This Mytrip deal was found by Cheapflights users on 3/29. 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 Mytrip 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
Thu 5/77:55 am
DTW
- ONT
1 stop29h 10m
Frontier
Deal found 3/29![Frontier logo]()
$166
This Orbitz deal was found by Cheapflights users on 3/31. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:56 am
ONT
- DTW
1 stop24h 51m
Frontier
Mon 5/410:05 am
DTW
- ONT
1 stop9h 33m
Frontier
Deal found 3/31![Frontier logo]()
$185
This Booking.com deal was found by Cheapflights users on 3/29. 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 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
Thu 5/77:55 am
DTW
- ONT
1 stop29h 10m
Frontier
Deal found 3/29![Frontier logo]()
$167
This CheapOair deal was found by Cheapflights users on 3/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Mon 5/117:55 am
DTW
- ONT
1 stop29h 10m
Frontier
Deal found 3/31![Frontier logo]()
$171
This Booking.com deal was found by Cheapflights users on 4/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/228:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Sun 5/248:52 am
DTW
- ONT
1 stop25h 16m
Frontier
Deal found 4/1![Frontier logo]()
$162
This Booking.com deal was found by Cheapflights users on 3/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/228:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Mon 5/258:52 am
DTW
- ONT
1 stop25h 43m
Frontier
Deal found 3/31![Frontier logo]()
$186
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 3, 2026.
Search for one-way flight options from Ontario to Detroit. Find affordable one-way fares based on user searches. Data last updated April 3, 2026.
This Booking.com deal was found by Cheapflights users on 3/30. 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 Booking.com 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 3/30![Frontier logo]()
$80
This CheapOair deal was found by Cheapflights users on 3/31. 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 CheapOair 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 3/31![Frontier logo]()
$86
This CheapOair deal was found by Cheapflights users on 4/1. 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.
Wed 5/66:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Deal found 4/1![Frontier logo]()
$92
This Super.com deal was found by Cheapflights users on 3/31. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:59 am
ONT
- DTW
1 stop6h 59m
Frontier
Deal found 3/31![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 4/2912:59 am
ONT
- DTW
1 stop30h 59m
Frontier
Deal found 4/1![Frontier logo]()
$103
This Super.com deal was found by Cheapflights users on 3/31. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:26 am
ONT
- DTW
1 stop25h 21m
Frontier
Deal found 3/31![Frontier logo]()
$105
This Super.com deal was found by Cheapflights users on 4/1. 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 6/245:43 pm
ONT
- DTW
1 stop22h 08m
Frontier
Deal found 4/1![Frontier logo]()
$110
This Frontier deal was found by Cheapflights users on 3/31. 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 Frontier 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
Deal found 3/31![Frontier logo]()
$111
This Gotogate deal was found by Cheapflights users on 3/31. 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 Gotogate 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
Deal found 3/31![Frontier logo]()
$112
This Trip.com deal was found by Cheapflights users on 3/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:56 am
ONT
- DTW
1 stop8h 17m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$119
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 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $160 (Expedia) |
One-way from | $80 (Booking.com) |
Popular in | February |
Cheapest in | September |
Average price | $501 |
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 3, 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 4/28
12:49 pm-7:55 am
2 stops16h 06m
Detroit Metropolitan Wayne County
Sat 5/2
5:59 pm-10:43 pm
1 stop7h 44m
$397
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Wed 5/20
1:29 pm-11:59 pm
1 stop7h 30m
Detroit Metropolitan Wayne County
Tue 5/26
8:20 am-12:19 pm
1 stop6h 59m
$447
Quickest round-trip
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Sun 4/26
6:00 am-3:20 pm
1 stop6h 20m
Detroit Metropolitan Wayne County
Wed 4/29
12:15 pm-4:25 pm
1 stop7h 10m
$452
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Wed 4/29
7:00 am-5:31 pm
1 stop7h 31m
Detroit Metropolitan Wayne County
Sat 5/2
1:41 pm-10:59 pm
2 stops12h 18m
$462
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Sun 5/10
3:26 pm-5:44 am
1 stop11h 18m
Detroit Metropolitan Wayne County
Thu 5/28
6:08 pm-11:58 pm
1 stop8h 50m
$512
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Wed 7/1
1:00 pm-12:09 am
1 stop8h 09m
Detroit Metropolitan Wayne County
Mon 7/6
5:40 pm-11:45 pm
1 stop9h 05m
$513
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Wed 6/24
5:45 am-5:55 pm
2 stops9h 10m
Detroit Metropolitan Wayne County
Sun 6/28
6:35 pm-11:40 pm
2 stops8h 05m
$523
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Mon 9/7
11:55 pm-10:55 am
1 stop8h 00m
Detroit Metropolitan Wayne County
Sun 9/13
5:35 am-11:45 am
2 stops9h 10m
$552
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Sat 5/2
3:26 pm-5:44 am
1 stop11h 18m
Detroit Metropolitan Wayne County
Mon 5/4
7:09 am-2:32 pm
1 stop10h 23m
$556
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Tue 5/5
1:40 pm-10:53 pm
1 stop6h 13m
Detroit Metropolitan Wayne County
Fri 5/8
7:15 am-5:52 pm
2 stops13h 37m
$557
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 Accuracy1 star | 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 March is currently the most expensive (average of $191). 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 3, 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
8.0
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
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.
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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Other flights to Detroit
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Ontario and Detroit flights
Browse other Ontario and Detroit flight options. Last updated on April 3, 2026.
Other flights from Ontario
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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 3, 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$438 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$277 | Average$434 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$305 | Average$567 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$321 | Average$503 | FlexibilityNo cancel fee | On-time69% |