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$76+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — YYZ
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Find 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 October 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/287:11 amDTW - YYZ
1 stop13h 56mMultiple Airlines
Fri 12/55:15 pmYYZ - DTW
1 stop15h 20mMultiple Airlines
Deal found 10/14$233
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:56 pmDTW - YYZ
1 stop19h 09mMultiple Airlines
Thu 10/305:15 pmYYZ - DTW
1 stop24h 58mMultiple Airlines
Deal found 10/14$259
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
Mon 12/89:18 amDTW - YYZ
1 stop14h 53mMultiple Airlines
Wed 12/105:15 pmYYZ - DTW
1 stop24h 02mMultiple Airlines
Deal found 10/16$261
This American Airlines deal was found by Cheapflights users on 10/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:33 amDTW - YYZ
1 stop10h 31mAmerican Airlines
Thu 11/206:00 amYYZ - DTW
1 stop12h 43mAmerican Airlines
Deal found 10/14$276
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/128:30 pmDTW - YYZ
1 stop15h 13mMultiple Airlines
Sun 12/148:00 pmYYZ - DTW
1 stop12h 35mMultiple Airlines
Deal found 10/14$280
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3112:24 pmDTW - YYZ
1 stop11h 47mMultiple Airlines
Tue 11/47:15 amYYZ - DTW
2 stops8h 00mMultiple Airlines
Deal found 10/14$284
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:56 pmDTW - YOW
1 stop22h 17mMultiple Airlines
Thu 10/309:30 amYOW - DTW
1 stop8h 30mMultiple Airlines
Deal found 10/14$294
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:29 pmDTW - YOW
1 stop22h 56mMultiple Airlines
Fri 10/319:30 amYOW - DTW
1 stop8h 43mMultiple Airlines
Deal found 10/14$304
This Kiwi.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:52 amDTW - YOW
1 stop10h 21mMultiple Airlines
Wed 10/299:30 amYOW - DTW
1 stop28h 18mMultiple Airlines
Deal found 10/15$305
This Kiwi.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3112:24 pmDTW - YUL
2 stops31h 15mMultiple Airlines
Mon 11/175:10 pmYUL - DTW
1 stop14h 33mMultiple Airlines
Deal found 10/15$308
This Kiwi.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3112:24 pmDTW - YUL
2 stops31h 15mMultiple Airlines
Wed 11/195:10 pmYUL - DTW
1 stop6h 57mMultiple Airlines
Deal found 10/15$309
This Kiwi.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/510:42 amDTW - YTZ
2 stops9h 08mMultiple Airlines
Fri 11/77:40 pmYTZ - DTW
1 stop19h 35mMultiple Airlines
Deal found 10/15$312

Cheap flight deals from Detroit to Ontario

Keep the following information in mind while searching for Detroit to Ontario flight deals. Data was last updated October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$233
(Kiwi.com)

One-way from

$76
(Kiwi.com)

Popular in

November

Cheapest in

January

Average price

$662

Good round-trip deal

$543 or less

Good one-way deal

$297 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
Highest demand for flights based on searches. 26% potential increase in price ($164 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 16, 2025.
Use the filters below to find and compare flights from Detroit to Ontario that are best for you.

Fly from

Detroit

Fly to

Ontario

Route

Depart

Return

Price

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Fri 11/28

7:11 am-9:07 pm

1 stop13h 56m

Toronto Pearson Intl

Fri 12/5

5:15 pm-8:35 am

1 stop15h 20m

$234

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Mon 10/27

6:56 pm-2:05 pm

1 stop19h 09m

Toronto Pearson Intl

Thu 10/30

5:15 pm-6:13 pm

1 stop24h 58m

$259

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Thu 11/13

5:33 am-4:04 pm

1 stop10h 31m

Toronto Pearson Intl

Thu 11/20

6:00 am-6:43 pm

1 stop12h 43m

$276

DetroitOttawa

DTW - YOW

DTWYOW

Detroit Metropolitan Wayne County

Mon 10/27

6:56 pm-5:13 pm

1 stop22h 17m

Ottawa

Thu 10/30

9:30 am-6:00 pm

1 stop8h 30m

$294

DetroitOttawa

DTW - YOW

DTWYOW

Detroit Metropolitan Wayne County

Tue 10/28

6:29 pm-5:25 pm

1 stop22h 56m

Ottawa

Fri 10/31

9:30 am-6:13 pm

1 stop8h 43m

$304

DetroitOttawa

DTW - YOW

DTWYOW

Detroit Metropolitan Wayne County

Mon 10/27

6:52 am-5:13 pm

1 stop10h 21m

Ottawa

Wed 10/29

9:30 am-1:48 pm

1 stop28h 18m

$305

DetroitToronto

DTW - YTZ

DTWYTZ

Detroit Metropolitan Wayne County

Wed 11/5

10:42 am-7:50 pm

2 stops9h 08m

Toronto Island

Fri 11/7

7:40 pm-3:15 pm

1 stop19h 35m

$312

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Wed 12/3

9:53 pm-12:11 am

1 stop26h 18m

Toronto Pearson Intl

Sun 12/7

8:00 pm-8:20 am

1 stop12h 20m

$322

DetroitToronto

DTW - YTZ

DTWYTZ

Detroit Metropolitan Wayne County

Thu 11/27

5:15 am-9:35 pm

2 stops16h 20m

Toronto Island

Mon 12/1

2:05 pm-10:17 am

2 stops20h 12m

$324

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Thu 11/6

8:05 pm-11:43 am

1 stop15h 38m

Toronto Pearson Intl

Mon 11/10

7:45 pm-7:43 am

1 stop11h 58m

$328

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 57 results
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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, June is the cheapest month in which you can book a flight from Detroit to Region of Ontario (average of $100). Flying from Detroit to Region of Ontario in September is currently the most expensive (average of $490). 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 October 16, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 38% 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 December 16, 2024.

Travelers seeking maximum savings on their Detroit to Region of Ontario flight should consider departing on Monday afternoons when fares are most often at their lowest. Monday at noon 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 October 16, 2025.

The most flights from DTT to CAON are scheduled on a Wednesday (26 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 on average).

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 October 16, 2025.
Read reviews from past customers who have flown Delta and Air Canada from Detroit to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,977 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
8.0
Very good
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Air Canada
7.1
Good
10,304 reviews
Delta
8.0
Very good
7,977 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 9h 37m. Fly via American Airlines 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 (93%), Korean Air (90%) or Endeavor Airlines (88%) 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 $1,152 for a flight from Detroit to Region of Ontario. The cheapest flight overall is $188 while the most popular route, (Detroit Metropolitan Wayne County - Montreal Pierre Elliott Trudeau Intl) is currently priced at $327.

  • 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, June is the cheapest month in which you can book a flight from Detroit to Region of Ontario (average of $100). Flying from Detroit to Region of Ontario in September is currently the most expensive (average of $490). 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

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Alternative routes for Detroit to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$182Average$615FlexibilityNo cancel feeOn-time67%
DeltaCheapest$232Average$453FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$483Average$594FlexibilityNo cancel feeOn-time60%

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