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$99+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — YYZ
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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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 August 18, 2025.

Round-trip from

$249
(Kiwi.com)

One-way from

$99
(Kiwi.com)

Popular in

November

Cheapest in

January

Average price

$410

Good round-trip deal

$584 or less

Good one-way deal

$331 or less
From Detroit (DTT) to Ontario
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One-way flight from Detroit (DTT) to Ontario
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Highest demand for flights based on searches. 30% potential increase in price ($183 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Detroit (DTT) to Ontario.
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Price to beat on a one-way flight from Detroit (DTT) to Ontario.
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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 August 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/265:51 pmDTW - YYZ
1 stop20h 14mMultiple Airlines
Mon 9/297:45 amYYZ - DTW
1 stop24h 30mMultiple Airlines
Deal found 8/17$249
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 9/189:10 amDTW - YYZ
1 stop11h 57mMultiple Airlines
Mon 9/227:45 amYYZ - DTW
1 stop24h 30mMultiple Airlines
Deal found 8/16$259
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 10/29:10 amDTW - YYZ
1 stop11h 57mMultiple Airlines
Sun 10/54:00 pmYYZ - DTW
1 stop27h 40mMultiple Airlines
Deal found 8/16$260
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Thu 9/119:10 amDTW - YYZ
1 stop11h 57mMultiple Airlines
Sun 9/144:00 pmYYZ - DTW
1 stop27h 00mMultiple Airlines
Deal found 8/17$262
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Fri 10/37:10 amDTW - YYZ
1 stop14h 11mMultiple Airlines
Sun 10/54:00 pmYYZ - DTW
1 stop27h 40mMultiple Airlines
Deal found 8/16$263
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Mon 10/277:08 amDTW - YYZ
1 stop10h 04mMultiple Airlines
Sun 11/162:20 pmYYZ - DTW
1 stop25h 02mMultiple Airlines
Deal found 8/17$264
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 11/1412:45 pmDTW - YYZ
1 stop8h 34mMultiple Airlines
Fri 12/510:15 amYYZ - DTW
1 stop26h 52mMultiple Airlines
Deal found 8/17$265
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Mon 10/207:08 amDTW - YYZ
1 stop7h 17mMultiple Airlines
Fri 10/244:00 pmYYZ - DTW
1 stop26h 41mMultiple Airlines
Deal found 8/17$268
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 9/299:10 amDTW - YYZ
1 stop11h 57mMultiple Airlines
Mon 10/67:45 amYYZ - DTW
1 stop24h 02mMultiple Airlines
Deal found 8/15$271
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Mon 9/291:36 pmDTW - YOW
1 stop27h 21mMultiple Airlines
Wed 10/84:25 pmYOW - DTW
1 stop25h 36mMultiple Airlines
Deal found 8/17$281
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Tue 9/169:12 amDTW - YTZ
1 stop4h 28mMultiple Airlines
Tue 9/239:45 amYTZ - DTW
1 stop6h 09mMultiple Airlines
Deal found 8/17$296
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Tue 9/99:12 amDTW - YTZ
1 stop4h 28mMultiple Airlines
Tue 9/237:45 amYTZ - DTW
1 stop8h 09mMultiple Airlines
Deal found 8/17$301

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 August 18, 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 9/26

5:51 pm-2:05 pm

1 stop20h 14m

Toronto Pearson Intl

Mon 9/29

7:45 am-8:15 am

1 stop24h 30m

$249

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Thu 9/18

9:10 am-9:07 pm

1 stop11h 57m

Toronto Pearson Intl

Mon 9/22

7:45 am-8:15 am

1 stop24h 30m

$259

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Fri 9/26

9:10 am-9:07 pm

1 stop11h 57m

Toronto Pearson Intl

Sun 9/28

4:00 pm-7:00 pm

1 stop27h 00m

$259

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Thu 10/2

9:10 am-9:07 pm

1 stop11h 57m

Toronto Pearson Intl

Sun 10/5

4:00 pm-7:40 pm

1 stop27h 40m

$260

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Thu 9/11

9:10 am-9:07 pm

1 stop11h 57m

Toronto Pearson Intl

Sun 9/14

4:00 pm-7:00 pm

1 stop27h 00m

$262

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Fri 10/3

7:10 am-9:21 pm

1 stop14h 11m

Toronto Pearson Intl

Sun 10/5

4:00 pm-7:40 pm

1 stop27h 40m

$263

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Mon 10/27

7:08 am-5:12 pm

1 stop10h 04m

Toronto Pearson Intl

Sun 11/16

2:20 pm-3:22 pm

1 stop25h 02m

$264

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Fri 11/14

12:45 pm-9:19 pm

1 stop8h 34m

Toronto Pearson Intl

Fri 12/5

10:15 am-1:07 pm

1 stop26h 52m

$265

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Mon 10/20

7:08 am-2:25 pm

1 stop7h 17m

Toronto Pearson Intl

Fri 10/24

4:00 pm-6:41 pm

1 stop26h 41m

$268

DetroitOttawa

DTW - YOW

DTWYOW

Detroit Metropolitan Wayne County

Mon 9/29

1:36 pm-4:57 pm

1 stop27h 21m

Ottawa

Wed 10/8

4:25 pm-6:01 pm

1 stop25h 36m

$281

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

Showing 1-10 of 56 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, January is the cheapest month in which you can book a flight from Detroit to Region of Ontario (average of $243). Flying from Detroit to Region of Ontario in August is currently the most expensive (average of $348). 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 August 18, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Detroit to Region of Ontario as you normally would.

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 August 18, 2025.

The most flights from DTT to CAON are scheduled on a Wednesday (29 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (20 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 August 18, 2025.
Read reviews from past customers who have flown Delta, United Airlines, 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
7,981 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,925 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,992 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 11m. Fly via Air Canada to get the fastest option. The distance from Detroit to Region of Ontario is about 329 mi.

  • 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 (83%), Brussels Airlines (77%) 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 $972 for a flight from Detroit to Region of Ontario. The cheapest flight overall is $214 while the most popular route, (Detroit Metropolitan Wayne County - Montreal Pierre Elliott Trudeau Intl) is currently priced at $317.

  • 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, January is the cheapest month in which you can book a flight from Detroit to Region of Ontario (average of $243). Flying from Detroit to Region of Ontario in August is currently the most expensive (average of $348). 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$176Average$606FlexibilityNo cancel feeOn-time67%
DeltaCheapest$214Average$453FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$483Average$594FlexibilityNo cancel feeOn-time60%

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