HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$112+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — YYZ
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Detroit to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$252
(Mytrip)

One-way from

$120
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$214

Good round-trip deal

$656 or less

Good one-way deal

$214 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
High demand for flights, 15% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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

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 May 1, 2025.

This Mytrip deal was found by Cheapflights users on 4/30. 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.
Mon 6/2310:29 amDTW - YYZ
1 stop26h 01mMultiple Airlines
Mon 6/304:00 pmYYZ - DTW
1 stop15h 49mMultiple Airlines
Deal found 4/30$266
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/23:23 pmDTW - YTZ
1 stop4h 42mMultiple Airlines
Wed 6/43:00 pmYTZ - DTW
1 stop8h 02mMultiple Airlines
Deal found 4/30$311
This Delta deal was found by Cheapflights users on 4/30. 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.
Wed 5/289:50 pmDTW - YUL
1 stop12h 15mDelta
Wed 6/46:05 amYUL - DTW
1 stop12h 58mDelta
Deal found 4/30$362
This Mytrip deal was found by Cheapflights users on 4/30. 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 6/106:00 amDTW - YUL
2 stops13h 57mMultiple Airlines
Tue 6/1710:45 amYUL - DTW
2 stops29h 19mMultiple Airlines
Deal found 4/30$372
This Booking.com deal was found by Cheapflights users on 4/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1611:05 amDTW - YYZ
Nonstop1h 10mAir Canada
Sun 7/206:45 pmYYZ - DTW
Nonstop1h 16mAir Canada
Deal found 4/30$389
This Delta deal was found by Cheapflights users on 4/28. 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.
Mon 6/169:50 pmDTW - YYZ
1 stop11h 40mDelta
Wed 6/256:15 amYYZ - DTW
1 stop8h 34mDelta
Deal found 4/28$415
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Thu 6/56:00 amDTW - YOW
2 stops18h 22mMultiple Airlines
Tue 6/103:35 pmYOW - DTW
2 stops27h 19mMultiple Airlines
Deal found 4/29$439
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 6/185:15 amDTW - YYZ
1 stop17h 49mAmerican Airlines
Mon 6/237:20 pmYYZ - DTW
1 stop14h 11mAmerican Airlines
Deal found 4/28$455
This Air Canada deal was found by Cheapflights users on 4/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/189:55 amDTW - YTZ
2 stops8h 41mAir Canada
Mon 7/213:25 pmYTZ - DTW
1 stop6h 01mAir Canada
Deal found 4/30$456
This Air Canada deal was found by Cheapflights users on 4/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/137:14 amDTW - YUL
1 stop4h 44mAir Canada
Wed 7/167:30 pmYUL - DTW
Nonstop1h 56mAir Canada
Deal found 4/30$459
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 7/95:38 pmDTW - YUL
1 stop16h 07mAmerican Airlines
Sun 7/2012:30 pmYUL - DTW
1 stop11h 17mAmerican Airlines
Deal found 4/30$466
This Priceline deal was found by Cheapflights users on 4/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/83:55 pmDTW - YYZ
Nonstop1h 20mWestJet
Mon 6/96:04 pmYYZ - DTW
Nonstop1h 27mWestJet
Deal found 4/29$468

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 May 1, 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

Mon 6/2

3:23 pm-12:30 pm

1 stop21h 07m

Toronto Pearson Intl

Tue 6/17

7:55 am-8:32 am

1 stop24h 37m

$252

DetroitToronto

DTW - YTZ

DTWYTZ

Detroit Metropolitan Wayne County

Mon 6/2

3:23 pm-8:05 pm

1 stop4h 42m

Toronto Island

Wed 6/4

3:00 pm-11:02 pm

1 stop8h 02m

$311

DetroitMontreal

DTW - YUL

DTWYUL

Detroit Metropolitan Wayne County

Wed 5/28

9:50 pm-10:05 am

1 stop12h 15m

Montreal Pierre Elliott Trudeau Intl

Wed 6/4

6:05 am-7:03 pm

1 stop12h 58m

$362

DetroitMontreal

DTW - YUL

DTWYUL

Detroit Metropolitan Wayne County

Tue 6/10

6:00 am-7:57 pm

2 stops13h 57m

Montreal Pierre Elliott Trudeau Intl

Tue 6/17

10:45 am-4:04 pm

2 stops29h 19m

$372

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Wed 7/16

11:05 am-12:15 pm

Nonstop1h 10m

Toronto Pearson Intl

Sun 7/20

6:45 pm-8:01 pm

Nonstop1h 16m

$389

DetroitOttawa

DTW - YOW

DTWYOW

Detroit Metropolitan Wayne County

Thu 6/5

6:00 am-12:22 am

2 stops18h 22m

Ottawa

Tue 6/10

3:35 pm-6:54 pm

2 stops27h 19m

$439

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Mon 7/14

7:42 am-8:55 am

Nonstop1h 13m

Toronto Pearson Intl

Wed 7/16

12:16 pm-1:30 pm

Nonstop1h 14m

$447

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Wed 5/21

6:42 am-2:33 pm

1 stop7h 51m

Toronto Pearson Intl

Wed 5/28

7:25 pm-11:16 am

1 stop15h 51m

$456

DetroitToronto

DTW - YTZ

DTWYTZ

Detroit Metropolitan Wayne County

Fri 7/18

9:55 am-6:36 pm

2 stops8h 41m

Toronto Island

Mon 7/21

3:25 pm-9:26 pm

1 stop6h 01m

$456

DetroitMontreal

DTW - YUL

DTWYUL

Detroit Metropolitan Wayne County

Sun 7/13

7:14 am-11:58 am

1 stop4h 44m

Montreal Pierre Elliott Trudeau Intl

Wed 7/16

7:30 pm-9:26 pm

Nonstop1h 56m

$459

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 37 results
1
2
3
4

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 $359). 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 May 1, 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 May 1, 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 (9 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 May 1, 2025.
See what other customers who have flown with Porter Airlines, Delta and United 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.
Porter Airlines
8.0
Very good
285 reviews

Entertainment

7.0

Food

7.6

Crew

8.8

Comfort

8.1

Overall

8.0

Boarding

8.2

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Porter Airlines
8.0
Very good
285 reviews
Porter Airlines
8.0
Very good
285 reviews

Entertainment

7.0

Food

7.6

Crew

8.8

Comfort

8.1

Overall

8.0

Boarding

8.2

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Delta
8.0
Very good
7,934 reviews
Porter Airlines
8.0
Very good
285 reviews

Entertainment

7.0

Food

7.6

Crew

8.8

Comfort

8.1

Overall

8.0

Boarding

8.2

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
United Airlines
7.4
Good
8,696 reviews
Porter Airlines
8.0
Very good
285 reviews

Entertainment

7.0

Food

7.6

Crew

8.8

Comfort

8.1

Overall

8.0

Boarding

8.2

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
285 reviews

Entertainment

7.0

Food

7.6

Crew

8.8

Comfort

8.1

Overall

8.0

Boarding

8.2

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
WestJet
7.2
Good
2,826 reviews
Porter Airlines
8.0
Very good
285 reviews

Entertainment

7.0

Food

7.6

Crew

8.8

Comfort

8.1

Overall

8.0

Boarding

8.2

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

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 $189. Delta flights start at $199 while deals on American Airlines start at $217 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 - Ottawa 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 (88%), Korean Air (80%) or Aeromexico (79%) 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 $1,231 for a flight from Detroit to Region of Ontario. The cheapest flight overall is $101 while the most popular route, (Detroit Metropolitan Wayne County - Montreal Pierre Elliott Trudeau Intl) is currently priced at $348.

  • 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 $359). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Detroit to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Vancouver Intl flights
O'Hare Intl to Calgary flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Pearson Intl flights
Detroit to Vancouver Intl flights
Detroit to Calgary flights
Midway to Vancouver Intl flights
Midway to Pierre Elliott Trudeau Intl flights
Detroit to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Abbotsford flights
Midway to Pearson Intl flights
Midway to Calgary flights
O'Hare Intl to Québec City flights
O'Hare Intl to Toronto Island flights
Midway to Toronto Island flights
O'Hare Intl to Ottawa flights
O'Hare Intl to Winnipeg flights
Detroit to Pearson Intl flights
O'Hare Intl to Halifax flights
Grand Rapids to Vancouver Intl flights
O'Hare Intl to Edmonton flights
Midway to Ottawa flights
Grand Rapids to Calgary flights
Detroit to Saskatoon flights
Midway to Halifax flights
Midway to Québec City flights
Detroit to Québec City flights
Midway to Edmonton flights
Midway to Winnipeg flights
O'Hare Intl to St. John's flights
Detroit to Ottawa flights
Detroit to Toronto Island flights
Detroit to Halifax flights
Grand Rapids to Pearson Intl flights
O'Hare Intl to Charlottetown flights
O'Hare Intl to Victoria flights
Grand Rapids to Halifax flights
Detroit to Winnipeg flights
Flint to Vancouver Intl flights
Detroit to St. John's flights
O'Hare Intl to Regina flights
Detroit to Edmonton flights
O'Hare Intl to Kelowna flights
O'Hare Intl to Saskatoon flights
Grand Rapids to Pierre Elliott Trudeau Intl flights
Traverse City to Calgary flights
Kalamazoo to Vancouver Intl flights
Midway to St. John's flights
Detroit to Victoria flights

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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$182Average$567FlexibilityNo cancel feeOn-time67%
DeltaCheapest$214Average$477FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$488Average$642FlexibilityNo cancel feeOn-time60%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.