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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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — YYZ
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
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 July 23, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Wed 9/1611:00 am
DTW
-
YYZ
1 stop27h 05m
Multiple Airlines
Mon 9/281:30 pm
YYZ
-
DTW
1 stop23h 37m
Multiple Airlines
Deal found 7/20$303
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Tue 9/1511:00 am
DTW
-
YYZ
1 stop29h 55m
Multiple Airlines
Mon 9/281:30 pm
YYZ
-
DTW
1 stop23h 37m
Multiple Airlines
Deal found 7/20$305
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Sat 9/1911:00 am
DTW
-
YYZ
1 stop27h 05m
Multiple Airlines
Mon 9/281:30 pm
YYZ
-
DTW
1 stop23h 37m
Multiple Airlines
Deal found 7/20$308
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 9/2111:00 am
DTW
-
YYZ
1 stop9h 55m
Multiple Airlines
Mon 9/281:30 pm
YYZ
-
DTW
1 stop23h 37m
Multiple Airlines
Deal found 7/20$309
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Fri 9/1811:00 am
DTW
-
YYZ
1 stop9h 55m
Multiple Airlines
Mon 9/281:30 pm
YYZ
-
DTW
1 stop23h 37m
Multiple Airlines
Deal found 7/20$312
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 9/1711:00 am
DTW
-
YYZ
1 stop9h 55m
Multiple Airlines
Mon 9/211:30 pm
YYZ
-
DTW
1 stop23h 37m
Multiple Airlines
Deal found 7/21$321
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Wed 9/1611:00 am
DTW
-
YYZ
1 stop27h 05m
Multiple Airlines
Tue 9/299:30 am
YYZ
-
DTW
1 stop27h 37m
Multiple Airlines
Deal found 7/20$325
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Tue 9/1511:00 am
DTW
-
YYZ
1 stop29h 55m
Multiple Airlines
Tue 9/299:30 am
YYZ
-
DTW
1 stop27h 37m
Multiple Airlines
Deal found 7/20$327
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Sat 9/1911:00 am
DTW
-
YYZ
1 stop27h 05m
Multiple Airlines
Tue 9/299:30 am
YYZ
-
DTW
1 stop27h 37m
Multiple Airlines
Deal found 7/20$331
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Wed 9/1611:00 am
DTW
-
YYZ
1 stop27h 05m
Multiple Airlines
Thu 9/241:30 pm
YYZ
-
DTW
1 stop23h 37m
Multiple Airlines
Deal found 7/20$334
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 11/311:00 am
DTW
-
YYZ
1 stop8h 05m
Multiple Airlines
Fri 11/64:20 pm
YYZ
-
DTW
1 stop20h 47m
Multiple Airlines
Deal found 7/19$337
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Wed 8/196:00 am
DTW
-
YTZ
2 stops30h 55m
Multiple Airlines
Wed 8/261:40 pm
YTZ
-
DTW
1 stop27h 32m
Multiple Airlines
Deal found 7/20$406

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 July 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$303
(Kiwi.com)

One-way from

$122
(Kiwi.com)

Good round-trip deal

$751 or less

Good one-way deal

$306 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 July 23, 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

DetroitToronto

DTW - YTZ

DTWYTZ

Detroit Metropolitan Wayne County

Fri 8/28

12:35 pm-11:51 am

3 stops23h 16m

Toronto Island

Mon 8/31

9:15 am-5:12 pm

1 stop7h 57m

$452

DetroitOttawa

DTW - YOW

DTWYOW

Detroit Metropolitan Wayne County

Thu 9/10

7:25 pm-2:33 pm

1 stop19h 08m

Ottawa

Wed 9/16

7:00 am-5:39 pm

2 stops10h 39m

$470

DetroitOttawa

DTW - YOW

DTWYOW

Detroit Metropolitan Wayne County

Fri 10/16

11:00 am-12:20 am

2 stops13h 20m

Ottawa

Tue 10/20

8:15 pm-4:40 pm

1 stop20h 25m

$508

DetroitToronto

DTW - YTZ

DTWYTZ

Detroit Metropolitan Wayne County

Sun 8/23

6:00 am-12:55 pm

2 stops30h 55m

Toronto Island

Mon 8/31

9:00 am-5:20 pm

1 stop8h 20m

$590

DetroitOttawa

DTW - YOW

DTWYOW

Detroit Metropolitan Wayne County

Wed 10/14

5:30 pm-2:55 pm

3 stops21h 25m

Ottawa

Wed 10/21

8:00 am-5:20 pm

1 stop9h 20m

$602

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Tue 9/15

10:20 am-7:02 pm

1 stop8h 42m

Toronto Pearson Intl

Sat 9/19

9:44 am-6:58 pm

1 stop9h 14m

$614

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Mon 8/17

1:56 pm-3:20 pm

Nonstop1h 24m

Toronto Pearson Intl

Mon 8/24

6:10 am-7:40 am

Nonstop1h 30m

$617

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Wed 10/28

3:55 pm-5:20 pm

Nonstop1h 25m

Toronto Pearson Intl

Sat 11/7

6:00 am-7:39 am

Nonstop1h 39m

$617
Quickest round-trip

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Fri 9/18

9:38 pm-10:59 pm

Nonstop1h 21m

Toronto Pearson Intl

Thu 9/24

12:08 pm-1:30 pm

Nonstop1h 22m

$617

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Wed 10/28

7:31 am-8:50 am

Nonstop1h 19m

Toronto Pearson Intl

Wed 11/11

6:00 am-7:40 am

Nonstop1h 40m

$617

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/18

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, May is the cheapest month in which you can book a flight from Detroit to Region of Ontario (average of $317). Flying from Detroit to Region of Ontario in July is currently the most expensive (average of $1,154). 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 July 23, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 24% on flights from Detroit to Region of Ontario by exploring options for tickets in the evening.

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 July 23, 2026.

The most flights from DTT to CAON are scheduled on a Monday (29 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (20 on average).

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 July 18, 2026.

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

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 July 23, 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
7.8
Good
8,479 reviews

Entertainment

7.8

Food

7.2

Overall

7.8

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
4.0
Okay

Laura,Aug 2023

DTW - BOS

Finally got on a flight to Boston and all went ok. We were the last to board and sat in the last seats on the plane. Not particularly treated well after waiting all day to travel.
Delta
7.8
Good
8,479 reviews
Delta
7.8
Good
8,479 reviews

Entertainment

7.8

Food

7.2

Overall

7.8

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
4.0
Okay

Laura,Aug 2023

DTW - BOS

Finally got on a flight to Boston and all went ok. We were the last to board and sat in the last seats on the plane. Not particularly treated well after waiting all day to travel.

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 1h 24m. Fly via United Airlines, Delta, or Air Canada to get the fastest option. The distance from Detroit to Region of Ontario is about 214 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 (79%) or Delta (78%) 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 $2,176 for a flight from Detroit to Region of Ontario. The cheapest flight overall is $193 while the most popular route, (Detroit Metropolitan Wayne County - Montreal Pierre Elliott Trudeau Intl) is currently priced at $493.

  • 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, May is the cheapest month in which you can book a flight from Detroit to Region of Ontario (average of $317). Flying from Detroit to Region of Ontario in July is currently the most expensive (average of $1,154). 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 2 airlines flying from Detroit to Ontario

Discover the top 2 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 July 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$247Average$517FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$571Average$735FlexibilityNo cancel feeOn-time67%

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