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$120+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — YYZ
Jul 6 — Jul 131
Mon 7/6
Mon 7/13
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 June 6, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/2. 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 8/109:12 am
DTW
-
YYZ
1 stop28h 53m
Multiple Airlines
Tue 9/16:30 am
YYZ
-
DTW
1 stop30h 37m
Multiple Airlines
Deal found 6/2$311
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 7/259:12 am
DTW
-
YYZ
1 stop11h 43m
Multiple Airlines
Tue 7/286:30 am
YYZ
-
DTW
1 stop30h 25m
Multiple Airlines
Deal found 6/2$347
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 9/1011:00 am
DTW
-
YYZ
1 stop29h 55m
Multiple Airlines
Mon 9/149:30 am
YYZ
-
DTW
1 stop27h 37m
Multiple Airlines
Deal found 6/5$353
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/159:12 am
DTW
-
YYZ
1 stop28h 53m
Multiple Airlines
Wed 7/229:30 am
YYZ
-
DTW
1 stop27h 25m
Multiple Airlines
Deal found 6/3$374
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 7/229:12 am
DTW
-
YYZ
1 stop28h 53m
Multiple Airlines
Sun 7/266:30 am
YYZ
-
DTW
1 stop30h 25m
Multiple Airlines
Deal found 6/2$376
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 9/811:00 am
DTW
-
YYZ
1 stop29h 55m
Multiple Airlines
Tue 9/229:30 am
YYZ
-
DTW
1 stop27h 37m
Multiple Airlines
Deal found 6/2$388
This Mytrip deal was found by Cheapflights users on 6/6. 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.
Sat 10/310:05 am
DTW
-
YYZ
2 stops11h 40m
Multiple Airlines
Mon 10/57:35 am
YYZ
-
DTW
2 stops13h 54m
Multiple Airlines
Deal found 6/6$402
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/139:12 am
DTW
-
YYZ
1 stop11h 43m
Multiple Airlines
Wed 7/159:30 am
YYZ
-
DTW
1 stop27h 25m
Multiple Airlines
Deal found 6/3$403
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 8/1710:08 am
DTW
-
YYZ
1 stop30h 47m
Multiple Airlines
Sun 8/236:30 am
YYZ
-
DTW
1 stop30h 37m
Multiple Airlines
Deal found 6/5$413
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 7/2112:50 pm
DTW
-
YTZ
1 stop24h 10m
Multiple Airlines
Sat 7/251:45 pm
YTZ
-
DTW
1 stop21h 47m
Multiple Airlines
Deal found 6/6$424
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 6/3012:42 pm
DTW
-
YTZ
1 stop24h 18m
Multiple Airlines
Tue 7/79:15 am
YTZ
-
DTW
1 stop26h 17m
Multiple Airlines
Deal found 6/2$427
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 6/2412:42 pm
DTW
-
YTZ
1 stop24h 18m
Multiple Airlines
Tue 6/301:45 pm
YTZ
-
DTW
1 stop21h 50m
Multiple Airlines
Deal found 6/6$453

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 June 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$311
(Kiwi.com)

One-way from

$120
(FlipMilhas)

Good round-trip deal

$603 or less

Good one-way deal

$341 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 June 6, 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

Sun 8/2

12:50 pm-12:55 pm

1 stop24h 05m

Toronto Island

Wed 8/5

1:40 pm-11:32 am

1 stop21h 52m

$428

DetroitToronto

DTW - YTZ

DTWYTZ

Detroit Metropolitan Wayne County

Mon 7/20

9:12 am-1:00 pm

2 stops27h 48m

Toronto Island

Mon 7/27

9:00 am-5:20 pm

1 stop8h 20m

$530

DetroitMontreal

DTW - YUL

DTWYUL

Detroit Metropolitan Wayne County

Sun 10/4

9:30 pm-11:22 pm

Nonstop1h 52m

Montreal Pierre Elliott Trudeau Intl

Thu 10/8

4:55 pm-7:08 pm

Nonstop2h 13m

$543
Quickest round-trip

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Fri 6/19

7:35 am-8:55 am

Nonstop1h 20m

Toronto Pearson Intl

Mon 6/22

9:45 am-11:09 am

Nonstop1h 24m

$547

DetroitMontreal

DTW - YUL

DTWYUL

Detroit Metropolitan Wayne County

Mon 6/29

2:14 pm-4:11 pm

Nonstop1h 57m

Montreal Pierre Elliott Trudeau Intl

Fri 7/3

6:00 am-8:03 am

Nonstop2h 03m

$547

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Thu 7/16

9:38 pm-11:02 pm

Nonstop1h 24m

Toronto Pearson Intl

Wed 7/22

4:10 pm-5:37 pm

Nonstop1h 27m

$557

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Thu 8/6

12:15 pm-1:34 pm

Nonstop1h 19m

Toronto Pearson Intl

Tue 8/18

9:45 am-11:11 am

Nonstop1h 26m

$557

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Thu 9/3

3:56 pm-5:24 pm

Nonstop1h 28m

Toronto Pearson Intl

Sun 9/6

6:10 am-7:40 am

Nonstop1h 30m

$557

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Tue 8/4

10:00 am-11:19 am

Nonstop1h 19m

Toronto Pearson Intl

Thu 8/13

6:10 am-7:40 am

Nonstop1h 30m

$557

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Tue 7/21

12:15 pm-1:34 pm

Nonstop1h 19m

Toronto Pearson Intl

Sat 7/25

6:14 pm-7:41 pm

Nonstop1h 27m

$557

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/4

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, July is the cheapest month in which you can book a flight from Detroit to Region of Ontario (average of $180). Flying from Detroit to Region of Ontario in October is currently the most expensive (average of $298). 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 June 6, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 17% 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 June 6, 2026.

The most flights from DTT to CAON are scheduled on a Friday (32 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

How much does it cost to fly round-trip from Detroit to Region of Ontario?

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 May 30, 2026.

Travelers seeking maximum savings on their Detroit to Region of Ontario flight should consider departing on Thursday 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 June 6, 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
7.9
Good
8,395 reviews

Boarding

8.1

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,395 reviews
Delta
7.9
Good
8,395 reviews

Boarding

8.1

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 52m. Fly via Delta, Air Canada, or United Airlines to get the fastest option. The distance from Detroit to Region of Ontario is about 527 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 SkyWest Airlines (93%), Aeromexico (89%) or WestJet (87%) 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 $962 for a flight from Detroit to Region of Ontario. The cheapest flight overall is $185 while the most popular route, (Detroit Metropolitan Wayne County - Montreal Pierre Elliott Trudeau Intl) is currently priced at $482.

  • 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, July is the cheapest month in which you can book a flight from Detroit to Region of Ontario (average of $180). Flying from Detroit to Region of Ontario in October is currently the most expensive (average of $298). 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 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 June 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$209Average$631FlexibilityNo cancel feeOn-time67%
DeltaCheapest$230Average$446FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$393Average$595FlexibilityNo cancel feeOn-time60%

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