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$72+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — YYZ
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$277
(Kiwi.com)

One-way from

$72
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$264

Good round-trip deal

$641 or less

Good one-way deal

$312 or less
From Detroit (DTT) to Ontario
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One-way flight from Detroit (DTT) to Ontario
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High demand for flights, 19% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
vie. 7/116:10 amDTW - YTZ
1 stop11h 33mMultiple Airlines
sáb. 7/125:15 pmYTZ - DTW
1 stop5h 53mMultiple Airlines
Deal found 6/11$277
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/115:35 amDTW - YYZ
1 stop15h 48mMultiple Airlines
dom. 7/137:55 amYYZ - DTW
1 stop24h 12mMultiple Airlines
Deal found 6/11$278
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
vie. 9/510:08 amDTW - YUL
1 stop7h 47mMultiple Airlines
mié. 9/102:30 pmYUL - DTW
2 stops7h 12mMultiple Airlines
Deal found 6/10$303
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
vie. 9/510:08 amDTW - YOW
1 stop4h 48mMultiple Airlines
lun. 9/84:10 pmYOW - DTW
1 stop5h 32mMultiple Airlines
Deal found 6/11$317
This Gotogate deal was found by Cheapflights users on 6/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/269:55 amDTW - YUL
Nonstop1h 40mAir Canada
sáb. 8/27:30 pmYUL - DTW
Nonstop1h 56mAir Canada
Deal found 6/11$336
This Flightnetwork deal was found by Cheapflights users on 6/10. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/259:55 amDTW - YYZ
1 stop4h 40mAir Canada
vie. 8/19:05 amYYZ - DTW
Nonstop1h 19mAir Canada
Deal found 6/10$349
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/25:27 amDTW - YUL
1 stop6h 03mAmerican Airlines
mié. 7/22:35 pmYUL - DTW
1 stop10h 03mAmerican Airlines
Deal found 6/11$354
This Delta deal was found by Cheapflights users on 6/10. 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.
mar. 9/29:21 pmDTW - YUL
Nonstop1h 47mDelta
mar. 9/911:00 amYUL - DTW
1 stop8h 11mDelta
Deal found 6/10$370
This KAYAK deal was found by Cheapflights users on 6/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/126:55 amDTW - YYZ
1 stop16h 34mAmerican Airlines
jue. 8/1410:38 amYYZ - DTW
2 stops12h 03mAmerican Airlines
Deal found 6/10$376
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/912:44 pmDTW - YYZ
1 stop10h 59mDelta
mar. 7/297:55 amYYZ - DTW
1 stop15h 14mDelta
Deal found 6/11$378
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/64:20 pmDTW - YYZ
1 stop7h 38mUnited Airlines
jue. 10/169:00 amYYZ - DTW
1 stop7h 51mUnited Airlines
Deal found 6/11$394
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/28:50 amDTW - YUL
1 stop8h 36mUnited Airlines
dom. 7/69:45 amYUL - DTW
1 stop14h 12mUnited Airlines
Deal found 6/10$400

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 junio 12, 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 - YTZ

DTWYTZ

Detroit Metropolitan Wayne County

vie. 7/11

6:10 am-5:43 pm

1 stop11h 33m

Toronto Island

sáb. 7/12

5:15 pm-11:08 pm

1 stop5h 53m

$277

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

vie. 7/11

5:35 am-9:23 pm

1 stop15h 48m

Toronto Pearson Intl

dom. 7/13

7:55 am-8:07 am

1 stop24h 12m

$278

DetroitMontreal

DTW - YUL

DTWYUL

Detroit Metropolitan Wayne County

vie. 9/5

10:08 am-5:55 pm

1 stop7h 47m

Montreal Pierre Elliott Trudeau Intl

mié. 9/10

2:30 pm-9:42 pm

2 stops7h 12m

$303

DetroitOttawa

DTW - YOW

DTWYOW

Detroit Metropolitan Wayne County

vie. 9/5

10:08 am-2:56 pm

1 stop4h 48m

Ottawa

lun. 9/8

4:10 pm-9:42 pm

1 stop5h 32m

$317

DetroitMontreal

DTW - YUL

DTWYUL

Detroit Metropolitan Wayne County

sáb. 7/26

9:55 am-11:35 am

Nonstop1h 40m

Montreal Pierre Elliott Trudeau Intl

sáb. 8/2

7:30 pm-9:26 pm

Nonstop1h 56m

$336

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

vie. 7/25

9:55 am-2:35 pm

1 stop4h 40m

Toronto Pearson Intl

vie. 8/1

9:05 am-10:24 am

Nonstop1h 19m

$349

DetroitMontreal

DTW - YUL

DTWYUL

Detroit Metropolitan Wayne County

mié. 7/2

5:27 am-11:30 am

1 stop6h 03m

Montreal Pierre Elliott Trudeau Intl

mié. 7/2

2:35 pm-12:38 am

1 stop10h 03m

$354

DetroitMontreal

DTW - YUL

DTWYUL

Detroit Metropolitan Wayne County

mar. 9/2

9:21 pm-11:08 pm

Nonstop1h 47m

Montreal Pierre Elliott Trudeau Intl

mar. 9/9

11:00 am-7:11 pm

1 stop8h 11m

$370

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

jue. 7/24

7:09 pm-12:24 pm

1 stop17h 15m

Toronto Pearson Intl

jue. 7/31

11:40 am-9:55 am

1 stop22h 15m

$372

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

mar. 8/12

6:55 am-11:29 pm

1 stop16h 34m

Toronto Pearson Intl

jue. 8/14

10:38 am-10:41 pm

2 stops12h 03m

$376

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 38 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 July is currently the most expensive (average of $353). 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 junio 12, 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 junio 12, 2025.

The most flights from DTT to CAON are scheduled on a Thursday (28 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 on average).

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 junio 12, 2025.
See what other customers who have flown with Delta, United Airlines and American Airlines from Detroit to Ontario have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

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!
WestJet
7.2
Good
2,868 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

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
9,531 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

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.

  • What are the cheapest airlines to fly from Detroit to Region of Ontario one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $156. American Airlines flights start at $157 while deals on Delta start at $161 one-way.

  • 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 SkyWest Airlines (92%), Delta (85%) or United Airlines (84%) 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 $1,839 for a flight from Detroit to Region of Ontario. The cheapest flight overall is $230 while the most popular route, (Detroit Metropolitan Wayne County - Montreal Pierre Elliott Trudeau Intl) is currently priced at $306.

  • 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 July is currently the most expensive (average of $353). 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$176Average$571FlexibilityNo cancel feeOn-time67%
DeltaCheapest$214Average$477FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$483Average$592FlexibilityNo cancel feeOn-time60%

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