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$122+ Cheap flights from Detroit (DTT) to Ontario

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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — YYZ
May 21 — May 281
Thu 5/21
Thu 5/28
1 adult, Economy
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Cheap flight deals from Detroit to Ontario

Cheapest flights from Detroit to Ontario
Explore the most affordable flight options available from Detroit to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 21, 2026.

This Mytrip deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:00 am
DTW
-
YYZ
1 stop8h 05m
Multiple Airlines
Tue 6/96:30 am
YYZ
-
DTW
1 stop17h 23m
Multiple Airlines
Deal found 4/19$310
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:00 am
DTW
-
YYZ
1 stop14h 55m
Multiple Airlines
Thu 9/101:30 pm
YYZ
-
DTW
1 stop10h 25m
Multiple Airlines
Deal found 4/17$321
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 7/276:00 am
DTW
-
YYZ
1 stop14h 55m
Multiple Airlines
Mon 8/171:30 pm
YYZ
-
DTW
1 stop20h 24m
Multiple Airlines
Deal found 4/20$324
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 5/712:44 pm
DTW
-
YTZ
1 stop5h 31m
Multiple Airlines
Sun 5/109:15 am
YTZ
-
DTW
1 stop26h 34m
Multiple Airlines
Deal found 4/19$325
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:00 am
DTW
-
YYZ
1 stop14h 55m
Multiple Airlines
Sat 9/1211:00 am
YYZ
-
DTW
1 stop6h 20m
Multiple Airlines
Deal found 4/17$333
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 5/199:50 pm
DTW
-
YYZ
1 stop13h 45m
Multiple Airlines
Tue 5/265:50 pm
YYZ
-
DTW
1 stop14h 02m
Multiple Airlines
Deal found 4/19$336
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/169:50 pm
DTW
-
YTZ
1 stop11h 45m
Multiple Airlines
Sat 5/2311:55 am
YTZ
-
DTW
2 stops23h 54m
Multiple Airlines
Deal found 4/17$337
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:05 pm
DTW
-
YYZ
2 stops20h 00m
Multiple Airlines
Tue 6/1611:00 am
YYZ
-
DTW
1 stop6h 20m
Multiple Airlines
Deal found 4/17$338
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 5/302:40 pm
DTW
-
YTZ
2 stops22h 30m
Multiple Airlines
Thu 7/28:15 pm
YTZ
-
DTW
1 stop23h 08m
Multiple Airlines
Deal found 4/19$343
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/169:50 pm
DTW
-
YYZ
1 stop13h 45m
Multiple Airlines
Sat 5/231:30 pm
YYZ
-
DTW
1 stop19h 33m
Multiple Airlines
Deal found 4/17$344
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 5/249:50 pm
DTW
-
YTZ
1 stop10h 10m
Multiple Airlines
Thu 5/281:50 pm
YTZ
-
DTW
1 stop21h 59m
Multiple Airlines
Deal found 4/19$345
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:44 pm
DTW
-
YYZ
2 stops28h 25m
Multiple Airlines
Sun 5/314:50 pm
YYZ
-
DTW
1 stop19h 10m
Multiple Airlines
Deal found 4/16$346

Find flight deals from Detroit to Ontario

Keep the following information in mind while searching for Detroit to Ontario flight deals. Data was last updated April 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$310
(Mytrip)

One-way from

$122
(FlipMilhas)

Good round-trip deal

$581 or less

Good one-way deal

$293 or less
Provider with most accurate pricing for Detroit (DTT)-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit (DTT)-Toronto (YTO) flights.
Search Deals
From Detroit (DTT) to Ontario
Search Deals
One-way flight from Detroit (DTT) to Ontario
Search Deals
Price to beat on a round-trip flight from Detroit (DTT) to Ontario.
Search Deals
Price to beat on a one-way flight from Detroit (DTT) to Ontario.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit to Ontario 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 21, 2026.
Use the filters below to find and compare flights from Detroit to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitOttawa

DTW - YOW

DTWYOW

Detroit Metropolitan Wayne County

Sat 5/16

9:50 pm-12:15 pm

1 stop14h 25m

Ottawa

Sat 5/23

11:00 am-11:49 am

2 stops24h 49m

$351

DetroitToronto

DTW - YTZ

DTWYTZ

Detroit Metropolitan Wayne County

Sun 5/31

12:44 pm-8:00 am

1 stop19h 16m

Toronto Island

Sun 6/7

7:00 am-11:49 am

1 stop4h 49m

$367

DetroitOttawa

DTW - YOW

DTWYOW

Detroit Metropolitan Wayne County

Thu 5/28

12:44 pm-5:35 pm

1 stop4h 51m

Ottawa

Sun 5/31

7:00 am-9:03 am

2 stops26h 03m

$376

DetroitToronto

DTW - YTZ

DTWYTZ

Detroit Metropolitan Wayne County

Tue 6/2

6:10 pm-9:47 am

1 stop15h 37m

Toronto Island

Tue 6/9

9:15 am-4:53 pm

2 stops31h 38m

$381

DetroitToronto

DTW - YTZ

DTWYTZ

Detroit Metropolitan Wayne County

Fri 6/5

12:44 pm-9:48 pm

2 stops9h 04m

Toronto Island

Sun 6/7

7:00 am-11:49 am

1 stop4h 49m

$396

DetroitOttawa

DTW - YOW

DTWYOW

Detroit Metropolitan Wayne County

Fri 5/15

9:50 pm-5:35 pm

1 stop19h 45m

Ottawa

Fri 5/22

7:00 am-4:37 pm

1 stop9h 37m

$400

DetroitToronto

DTW - YTZ

DTWYTZ

Detroit Metropolitan Wayne County

Sat 5/23

10:00 am-8:57 am

2 stops22h 57m

Toronto Island

Mon 5/25

7:00 am-11:49 am

1 stop4h 49m

$407

DetroitToronto

DTW - YTZ

DTWYTZ

Detroit Metropolitan Wayne County

Sat 5/16

5:30 pm-9:35 am

2 stops16h 05m

Toronto Island

Sat 5/23

11:55 am-9:03 am

3 stops21h 08m

$423

DetroitToronto

DTW - YTZ

DTWYTZ

Detroit Metropolitan Wayne County

Fri 6/5

9:58 pm-3:02 pm

3 stops17h 04m

Toronto Island

Fri 6/12

8:25 am-11:53 pm

2 stops15h 28m

$425

DetroitOttawa

DTW - YOW

DTWYOW

Detroit Metropolitan Wayne County

Fri 6/5

12:44 pm-5:37 pm

1 stop4h 53m

Ottawa

Sun 6/7

6:25 pm-4:37 pm

2 stops22h 12m

$426

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/20

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Detroit to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Detroit with our price prediction graph.
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 Detroit to Ontario

What is the cheapest month to book a flight from Detroit to Region of Ontario?

Currently, July is the cheapest month in which you can book a flight from Detroit to Region of Ontario (average of $180). Flying from Detroit to Region of Ontario in September is currently the most expensive (average of $367). 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.

What is the cheapest time of day to fly from DTT to ON?

Find hourly flight availability from Detroit to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 21, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 9% on flights from Detroit to Region of Ontario by exploring options for tickets in the morning.

What is the cheapest day to fly from Detroit to Region of Ontario?

Use this chart to determine the cheapest time to fly round-trip from Detroit to Ontario. Price data was last updated on April 18, 2026.

Travelers seeking maximum savings on their Detroit to Region of Ontario flight should consider departing on Thursday mornings when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Detroit to Region of Ontario

Explore weekly flight availability from Detroit to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 21, 2026.

The most flights from DTT to CAON are scheduled on a Tuesday (26 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).

How much does it cost to fly round-trip from Detroit to Region of Ontario?

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated April 21, 2026.
Read reviews from past customers who have flown Delta from Detroit to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,434 reviews

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,434 reviews
Delta
7.9
Good
8,434 reviews

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Detroit to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Detroit to Ontario?

    Detroit All airports (DTT), located 0.6 mi from the city center, is the airport you fly out of when you book flights from Detroit to Ontario.

  • How long is the flight from Detroit to Region of Ontario?

    There are many flights that can get you from Detroit to Region of Ontario in 4h 22m. Fly via Delta or Air Canada to get the fastest option. The distance from Detroit to Region of Ontario is about 329 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Detroit to Region of Ontario?

    Most travelers choose Detroit Metropolitan Wayne County - Montreal Pierre Elliott Trudeau Intl, Detroit Metropolitan Wayne County - Toronto Pearson Intl or Detroit Metropolitan Wayne County - Toronto Island when deciding on the best route from Detroit to Region of Ontario.

  • What are the most reliable airlines from Detroit to Region of Ontario?

    Consider Aeromexico (82%), Air France (80%) or Korean Air (77%) when booking your flight. These represent the most reliable airlines when flying from Detroit to Region of Ontario.

  • What are the cheapest flights from Detroit to Region of Ontario?

    On average you can expect to pay $1,497 for a flight from Detroit to Region of Ontario. The cheapest flight overall is $229 while the most popular route, (Detroit Metropolitan Wayne County - Montreal Pierre Elliott Trudeau Intl) is currently priced at $372.

  • Can I find deals for flights from Detroit to Ontario that include hotel bookings?

    Yes. In addition to deals on Detroit to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Detroit to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to Ontario.

  • Can I find deals for business class flights from Detroit to Ontario?

    Yes. Cheapflights offers flight deals from Detroit to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Detroit to Region of Ontario?

    Currently, July is the cheapest month in which you can book a flight from Detroit to Region of Ontario (average of $180). Flying from Detroit to Region of Ontario in September is currently the most expensive (average of $367). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Detroit to Ontario

Discover the top 3 airlines that operate flights from Detroit to Ontario. 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 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$195Average$630FlexibilityNo cancel feeOn-time67%
DeltaCheapest$236Average$446FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$429Average$569FlexibilityNo cancel feeOn-time60%

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