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.

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).

What are the most popular routes from Detroit Metropolitan Wayne County Airport to Region of Ontario?

The most popular route from Detroit Metropolitan Wayne County Airport to Region of Ontario is Detroit Metropolitan Wayne County - Toronto Pearson Intl. You may also consider Detroit Metropolitan Wayne County - Montreal Pierre Elliott Trudeau Intl or Detroit Metropolitan Wayne County - Toronto Island.

What are the most popular airlines that fly from Detroit Metropolitan Wayne County Airport to Region of Ontario?

Consider Air Canada, Delta or WestJet when booking your flight. These represent the most popular airlines when flying from Detroit Metropolitan Wayne County Airport to Region of Ontario.

What airport do you fly from for flights from Detroit to Ontario?

If you book a flight to Ontario from Detroit, you will be flying from Detroit Metropolitan Wayne County, which is the city’s only airport. Detroit Metropolitan Wayne County (DTW) is located 17.3 mi from the center of Detroit.

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.

$96+ Flights from Detroit Metropolitan Wayne County Airport to Ontario

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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 December 15, 2025.

Sun 12/218:15 pmDTW - YTZ

2 stops25h 35mMultiple Airlines

Thu 1/17:40 pmYTZ - DTW

1 stop13h 03mMultiple Airlines

Deal found 12/14

$417

Mon 12/157:15 amDTW - YTZ

2 stops14h 48mMultiple Airlines

Wed 12/318:40 amYTZ - DTW

1 stop15h 11mMultiple Airlines

Deal found 12/13

$428

Sun 12/218:15 pmDTW - YYZ

1 stop27h 34mMultiple Airlines

Thu 1/17:45 pmYYZ - DTW

1 stop11h 44mMultiple Airlines

Deal found 12/14

$430

Fri 12/196:15 amDTW - YYZ

1 stop15h 04mMultiple Airlines

Mon 1/58:30 pmYYZ - DTW

2 stops35h 37mMultiple Airlines

Deal found 12/14

$469

Wed 12/318:05 amDTW - YUL

1 stop7h 05mAmerican Airlines

Wed 1/73:50 pmYUL - DTW

1 stop20h 31mAmerican Airlines

Deal found 12/13

$504

Tue 12/165:55 pmDTW - YYZ

1 stop29h 25mMultiple Airlines

Thu 12/187:15 amYYZ - DTW

2 stops18h 04mMultiple Airlines

Deal found 12/13

$511

Sat 12/2710:27 pmDTW - YTZ

1 stop13h 13mMultiple Airlines

Tue 12/306:45 amYTZ - DTW

1 stop17h 06mMultiple Airlines

Deal found 12/14

$520

Thu 12/255:10 amDTW - YUL

1 stop11h 15mMultiple Airlines

Wed 12/3110:15 amYUL - DTW

2 stops21h 14mMultiple Airlines

Deal found 12/13

$542

Sun 12/287:35 amDTW - YYZ

Nonstop1h 23mMultiple Airlines

Wed 12/317:15 amYYZ - DTW

2 stops24h 14mMultiple Airlines

Deal found 12/13

$546

Sat 12/2010:27 pmDTW - YTZ

2 stops17h 31mMultiple Airlines

Tue 12/306:45 amYTZ - DTW

1 stop24h 44mMultiple Airlines

Deal found 12/13

$548

Sat 12/204:42 pmDTW - YUL

2 stops31h 48mMultiple Airlines

Thu 12/255:10 pmYUL - DTW

1 stop15h 33mMultiple Airlines

Deal found 12/13

$548

Wed 12/245:10 amDTW - YTZ

2 stops11h 38mMultiple Airlines

Fri 12/267:40 pmYTZ - DTW

1 stop13h 03mMultiple Airlines

Deal found 12/14

$551

Best flights from Detroit to Ontario
Discover carefully curated flight deals from Detroit to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.

Sun 1/1810:08 pmDTW - YYZ

2 stops16h 12mMultiple Airlines

Sun 1/2512:15 pmYYZ - DTW

3 stops35h 44mMultiple Airlines

Deal found 12/14

$244

Fri 2/209:32 pmDTW - YUL

Nonstop1h 54mDelta

Mon 2/236:00 amYUL - DTW

Nonstop2h 21mDelta

Deal found 12/13

$379

Thu 1/83:10 pmDTW - YYZ

1 stop31h 02mMultiple Airlines

Thu 1/157:10 amYYZ - DTW

1 stop11h 36mMultiple Airlines

Deal found 12/13

$247

Wed 1/285:30 amDTW - YYZ

1 stop17h 50mMultiple Airlines

Mon 2/27:15 amYYZ - DTW

1 stop27h 39mMultiple Airlines

Deal found 12/13

$252

Wed 1/145:30 amDTW - YYZ

2 stops14h 41mMultiple Airlines

Thu 1/157:10 amYYZ - DTW

1 stop11h 36mMultiple Airlines

Deal found 12/13

$265

Tue 1/276:36 pmDTW - YYZ

1 stop28h 44mMultiple Airlines

Tue 2/37:15 amYYZ - DTW

1 stop16h 26mMultiple Airlines

Deal found 12/12

$272

Thu 1/159:00 amDTW - YSB

2 stops12h 39mUnited Airlines

Mon 1/199:45 amYSB - DTW

2 stops13h 59mUnited Airlines

Deal found 12/12

$726

Thu 1/155:30 amDTW - YSB

2 stops10h 09mAir Canada

Mon 1/199:45 amYSB - DTW

1 stop7h 50mAir Canada

Deal found 12/12

$735

Sat 2/79:19 pmDTW - YUL

Nonstop1h 53mDelta

Mon 2/96:00 amYUL - DTW

Nonstop2h 23mDelta

Deal found 12/14

$379

Thu 1/155:59 pmDTW - YYZ

2 stops28h 13mMultiple Airlines

Mon 1/195:15 pmYYZ - DTW

1 stop17h 39mMultiple Airlines

Deal found 12/13

$276

Wed 4/292:10 pmDTW - YUL

Nonstop1h 51mDelta

Sun 5/36:00 amYUL - DTW

Nonstop2h 01mDelta

Deal found 12/14

$379

Sun 1/113:10 pmDTW - YYZ

1 stop31h 02mMultiple Airlines

Sun 1/186:20 pmYYZ - DTW

1 stop13h 21mMultiple Airlines

Deal found 12/14

$276

Sat 1/179:19 pmDTW - YUL

Nonstop1h 53mDelta

Tue 1/206:00 amYUL - DTW

Nonstop2h 23mDelta

Deal found 12/12

$379

Wed 1/285:15 amDTW - YOW

1 stop11h 58mMultiple Airlines

Wed 2/44:15 pmYOW - DTW

1 stop20h 56mMultiple Airlines

Deal found 12/13

$276

Wed 1/285:00 amDTW - YTZ

1 stop5h 35mMultiple Airlines

Wed 2/42:05 pmYTZ - DTW

2 stops23h 06mMultiple Airlines

Deal found 12/14

$279

Thu 1/2910:54 amDTW - YOW

1 stop13h 31mMultiple Airlines

Thu 2/510:00 amYOW - DTW

2 stops23h 46mMultiple Airlines

Deal found 12/14

$281

Mon 1/1211:28 amDTW - YYZ

1 stop12h 43mMultiple Airlines

Fri 1/237:35 amYYZ - DTW

1 stop10h 05mMultiple Airlines

Deal found 12/14

$286

Fri 1/166:00 amDTW - YSB

2 stops9h 39mUnited Airlines

Mon 1/199:45 amYSB - DTW

2 stops13h 59mUnited Airlines

Deal found 12/13

$727

Fri 1/166:00 amDTW - YSB

2 stops9h 39mAir Canada

Mon 1/199:45 amYSB - DTW

1 stop7h 50mAir Canada

Deal found 12/13

$735

Thu 1/155:00 amDTW - YTZ

1 stop5h 35mMultiple Airlines

Mon 1/192:05 pmYTZ - DTW

2 stops20h 49mMultiple Airlines

Deal found 12/13

$296

Tue 2/2411:49 amDTW - YYZ

1 stop12h 25mMultiple Airlines

Wed 2/255:15 pmYYZ - DTW

1 stop15h 18mMultiple Airlines

Deal found 12/13

$298

Tue 1/277:00 amDTW - YOW

1 stop10h 13mMultiple Airlines

Tue 2/34:15 pmYOW - DTW

2 stops21h 15mMultiple Airlines

Deal found 12/13

$301

Thu 2/510:54 amDTW - YUL

1 stop28h 16mMultiple Airlines

Mon 2/98:00 amYUL - DTW

2 stops14h 08mMultiple Airlines

Deal found 12/14

$312

Thu 1/88:22 amDTW - YTZ

1 stop8h 03mMultiple Airlines

Tue 1/132:05 pmYTZ - DTW

2 stops27h 35mMultiple Airlines

Deal found 12/14

$316

Tue 1/275:00 amDTW - YTZ

1 stop5h 35mMultiple Airlines

Tue 2/32:05 pmYTZ - DTW

2 stops9h 50mMultiple Airlines

Deal found 12/12

$316

Wed 1/145:00 amDTW - YTZ

1 stop5h 35mMultiple Airlines

Thu 1/152:05 pmYTZ - DTW

2 stops9h 50mMultiple Airlines

Deal found 12/13

$318

Wed 1/215:00 amDTW - YUL

2 stops8h 00mMultiple Airlines

Wed 1/288:00 amYUL - DTW

1 stop29h 11mMultiple Airlines

Deal found 12/13

$318

Sat 1/105:00 amDTW - YTZ

1 stop6h 40mMultiple Airlines

Sat 1/176:15 pmYTZ - DTW

1 stop6h 04mMultiple Airlines

Deal found 12/13

$324

Mon 1/128:00 amDTW - YTZ

2 stops14h 03mMultiple Airlines

Mon 1/196:15 pmYTZ - DTW

1 stop13h 26mMultiple Airlines

Deal found 12/14

$325

Fri 1/165:30 amDTW - YOW

1 stop18h 55mMultiple Airlines

Sat 1/179:30 amYOW - DTW

1 stop9h 51mMultiple Airlines

Deal found 12/13

$337

Last-minute flights from Detroit to Ontario
Discover last-minute flight deals from Detroit to Ontario. Data last updated December 15, 2025 and is based on user searches.

Thu 1/83:10 pmDTW - YYZ

1 stop31h 02mMultiple Airlines

Thu 1/157:10 amYYZ - DTW

1 stop11h 36mMultiple Airlines

Deal found 12/13

$247

Mon 1/123:25 pmDTW - YYZ

2 stops28h 46mMultiple Airlines

Mon 1/195:15 pmYYZ - DTW

1 stop17h 39mMultiple Airlines

Deal found 12/14

$253

Thu 1/155:00 amDTW - YTZ

1 stop5h 35mMultiple Airlines

Mon 1/192:05 pmYTZ - DTW

2 stops20h 49mMultiple Airlines

Deal found 12/13

$296

Sun 1/1810:08 pmDTW - YYZ

2 stops16h 12mMultiple Airlines

Sun 1/2512:15 pmYYZ - DTW

3 stops35h 44mMultiple Airlines

Deal found 12/14

$244

Wed 1/215:30 amDTW - YUL

1 stop9h 40mMultiple Airlines

Wed 1/288:00 amYUL - DTW

1 stop29h 11mMultiple Airlines

Deal found 12/13

$315

Tue 1/277:00 amDTW - YOW

1 stop10h 13mMultiple Airlines

Tue 2/34:15 pmYOW - DTW

2 stops21h 15mMultiple Airlines

Deal found 12/13

$301

Wed 1/2811:00 amDTW - YYZ

2 stops12h 20mMultiple Airlines

Wed 2/48:30 pmYYZ - DTW

1 stop16h 41mMultiple Airlines

Deal found 12/14

$218

Wed 1/2811:00 amDTW - YYZ

2 stops12h 20mMultiple Airlines

Mon 2/27:15 amYYZ - DTW

1 stop27h 39mMultiple Airlines

Deal found 12/13

$248

Wed 1/286:36 pmDTW - YUL

1 stop21h 46mMultiple Airlines

Wed 2/48:00 amYUL - DTW

1 stop29h 11mMultiple Airlines

Deal found 12/14

$275

Wed 1/285:15 amDTW - YOW

1 stop11h 58mMultiple Airlines

Wed 2/44:15 pmYOW - DTW

1 stop20h 56mMultiple Airlines

Deal found 12/13

$276

Wed 1/285:00 amDTW - YTZ

1 stop5h 35mMultiple Airlines

Wed 2/42:05 pmYTZ - DTW

2 stops23h 06mMultiple Airlines

Deal found 12/14

$279

Thu 1/2910:54 amDTW - YOW

1 stop13h 31mMultiple Airlines

Thu 2/510:00 amYOW - DTW

2 stops23h 46mMultiple Airlines

Deal found 12/14

$281

One-way flights from Detroit to Ontario
Search for one-way flight options from Detroit to Ontario. Find affordable one-way fares based on user searches. Data last updated December 15, 2025.

Thu 1/297:14 pmDTW - YYZ

2 stops19h 26mMultiple Airlines

Deal found 12/14

$96

Sun 1/113:10 pmDTW - YYZ

2 stops29h 01mMultiple Airlines

Deal found 12/14

$98

Tue 1/272:36 pmDTW - YYZ

2 stops32h 44mMultiple Airlines

Deal found 12/13

$104

Mon 1/123:25 pmDTW - YYZ

2 stops28h 46mMultiple Airlines

Deal found 12/13

$105

Wed 2/119:35 amDTW - YYZ

2 stops28h 45mMultiple Airlines

Deal found 12/13

$113

Wed 3/45:45 amDTW - YYZ

1 stop17h 35mMultiple Airlines

Deal found 12/13

$114

Tue 2/1011:00 amDTW - YYZ

2 stops12h 20mMultiple Airlines

Deal found 12/14

$117

Mon 2/97:14 pmDTW - YYZ

3 stops24h 57mMultiple Airlines

Deal found 12/13

$121

Wed 2/49:10 pmDTW - YTZ

2 stops24h 53mMultiple Airlines

Deal found 12/13

$123

Tue 1/277:00 amDTW - YTZ

2 stops15h 03mMultiple Airlines

Deal found 12/13

$127

Wed 1/285:15 amDTW - YOW

1 stop11h 58mMultiple Airlines

Deal found 12/13

$130

Thu 1/295:01 pmDTW - YTZ

2 stops26h 49mMultiple Airlines

Deal found 12/14

$131

Find flight deals from Detroit to Ontario

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$218 (Kiwi.com)
One-way from	$96 (Kiwi.com)
Popular in	November
Cheapest in	June
Average price	$579
Good round-trip deal	$605 or less
Good one-way deal	$263 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 Metropolitan Wayne County to Ontario

Search Deals

One-way flight from Detroit Metropolitan Wayne County to Ontario

Search Deals

Highest demand for flights based on searches. 26% potential increase in price ($172 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Detroit Metropolitan Wayne County to Ontario.

Search Deals

Price to beat on a one-way flight from Detroit Metropolitan Wayne County to Ontario.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Detroit Metropolitan Wayne County Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Sun 1/18

10:08 pm-2:20 pm

2 stops16h 12m

Toronto Pearson Intl

Sun 1/25

12:15 pm-11:59 pm

3 stops35h 44m

$244

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Thu 1/8

3:10 pm-10:12 pm

1 stop31h 02m

Toronto Pearson Intl

Thu 1/15

7:10 am-6:46 pm

1 stop11h 36m

$247

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Wed 1/28

5:30 am-11:20 pm

1 stop17h 50m

Toronto Pearson Intl

Mon 2/2

7:15 am-10:54 am

1 stop27h 39m

$252

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Wed 1/14

5:30 am-8:11 pm

2 stops14h 41m

Toronto Pearson Intl

Thu 1/15

7:10 am-6:46 pm

1 stop11h 36m

$265

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Tue 1/27

6:36 pm-11:20 pm

1 stop28h 44m

Toronto Pearson Intl

Tue 2/3

7:15 am-11:41 pm

1 stop16h 26m

$272

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Thu 1/15

5:59 pm-10:12 pm

2 stops28h 13m

Toronto Pearson Intl

Mon 1/19

5:15 pm-10:54 am

1 stop17h 39m

$276

DetroitToronto

DTW - YYZ

DTWYYZ

Detroit Metropolitan Wayne County

Sun 1/11

3:10 pm-10:12 pm

1 stop31h 02m

Toronto Pearson Intl

Sun 1/18

6:20 pm-7:41 am

1 stop13h 21m

$276

DetroitOttawa

DTW - YOW

DTWYOW

Detroit Metropolitan Wayne County

Wed 1/28

5:15 am-5:13 pm

1 stop11h 58m

Ottawa

Wed 2/4

4:15 pm-1:11 pm

1 stop20h 56m

$276

DetroitToronto

DTW - YTZ

DTWYTZ

Detroit Metropolitan Wayne County

Wed 1/28

5:00 am-10:35 am

1 stop5h 35m

Toronto Island

Wed 2/4

2:05 pm-1:11 pm

2 stops23h 06m

$279

DetroitOttawa

DTW - YOW

DTWYOW

Detroit Metropolitan Wayne County

Thu 1/29

10:54 am-12:25 am

1 stop13h 31m

Ottawa

Thu 2/5

10:00 am-9:46 am

2 stops23h 46m

$281

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 59 results

...

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 Metropolitan Wayne County Airport to Ontario

What is the cheapest month to book a flight from Detroit Metropolitan Wayne County Airport to Region of Ontario?

Currently, June is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to Region of Ontario (average of $100). Flying from Detroit Metropolitan Wayne County Airport to Region of Ontario in December is currently the most expensive (average of $504). 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 DTW to ON?

It’s typically best to fly out from Detroit Metropolitan Wayne County Airport to Region of Ontario in the morning. Doing so could potentially save you 37% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Detroit Metropolitan Wayne County Airport to Region of Ontario?

Travelers seeking maximum savings on their Detroit Metropolitan Wayne County Airport to Region of Ontario flight should consider departing on Monday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Detroit Metropolitan Wayne County Airport to Region of Ontario

The most flights from DTW to CAON are scheduled on a Monday (23 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 on average).

Reviews of airlines servicing Ontario

Get a feel of what it's like to fly with Delta, WestJet, and Air Canada from Detroit Metropolitan Wayne County Airport to Ontario by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,010 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,010 reviews

Delta

7.9

Good

8,010 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

WestJet

7.2

Good

3,202 reviews

Delta

7.9

Good

8,010 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Air Canada

7.1

Good

10,527 reviews

Delta

7.9

Good

8,010 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

What airport do you fly from for flights from Detroit to Ontario?
If you book a flight to Ontario from Detroit, you will be flying from Detroit Metropolitan Wayne County, which is the city’s only airport. Detroit Metropolitan Wayne County (DTW) is located 17.3 mi from the center of Detroit.
How long is the flight from Detroit Metropolitan Wayne County Airport to Region of Ontario?
United Airlines can get you from Detroit Metropolitan Wayne County Airport to Region of Ontario in just under 12h 39m. Your travel time can differ by up to . The distance between Detroit Metropolitan Wayne County Airport and Region of Ontario is about 329 mi.
What are the cheapest airlines to fly from Detroit Metropolitan Wayne County Airport to Region of Ontario one-way?
$180 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Delta and WestJet, with prices starting from $203 and $281, respectively.
What are the most popular routes from Detroit Metropolitan Wayne County Airport to Region of Ontario?
The most popular route from Detroit Metropolitan Wayne County Airport to Region of Ontario is Detroit Metropolitan Wayne County - Toronto Pearson Intl. You may also consider Detroit Metropolitan Wayne County - Montreal Pierre Elliott Trudeau Intl or Detroit Metropolitan Wayne County - Toronto Island.
What are the most reliable airlines from Detroit Metropolitan Wayne County Airport to Region of Ontario?
The top 3 most reliable airlines when flying from Detroit Metropolitan Wayne County Airport to Region of Ontario are Brussels Airlines (92%), WestJet (91%) and Aeromexico (86%).
What are the cheapest flights from Detroit Metropolitan Wayne County Airport to Region of Ontario?
On average you can expect to pay $1,007 for a flight from Detroit Metropolitan Wayne County Airport to Region of Ontario. The cheapest flight overall is $194 while the most popular route, (Detroit Metropolitan Wayne County - Toronto Pearson Intl) is currently priced at $247.
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 Metropolitan Wayne County Airport to Region of Ontario?
Currently, June is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to Region of Ontario (average of $100). Flying from Detroit Metropolitan Wayne County Airport to Region of Ontario in December is currently the most expensive (average of $504). 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

Complete your trip

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Sarnia Airport car rentals

Top 3 airlines flying from Detroit to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$203	Average$615	FlexibilityNo cancel fee	On-time67%
Delta	Cheapest$232	Average$447	FlexibilityNo cancel fee	On-timeN/A
WestJet	Cheapest$483	Average$595	FlexibilityNo cancel fee	On-time60%

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$96+ Cheap flights from Detroit Metropolitan Wayne County Airport (DTW) 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Detroit to Ontario with Cheapflights

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Cheap flight deals from Detroit to Ontario

Cheapest flights from Detroit to OntarioExplore 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 December 15, 2025.

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 December 15, 2025.

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 December 15, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from Detroit Metropolitan Wayne County Airport to Ontario that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Detroit Metropolitan Wayne County Airport to Ontario

What is the cheapest month to book a flight from Detroit Metropolitan Wayne County Airport to Region of Ontario?

What is the cheapest time of day to fly from DTW 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 December 15, 2025.

What is the cheapest day to fly from Detroit Metropolitan Wayne County Airport 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 December 16, 2024.

Weekly flight availability from Detroit Metropolitan Wayne County Airport 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 December 15, 2025.

Reviews of airlines servicing Ontario

Get a feel of what it's like to fly with Delta, WestJet, and Air Canada from Detroit Metropolitan Wayne County Airport to Ontario by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

How long is the flight from Detroit Metropolitan Wayne County Airport to Region of Ontario?

What are the cheapest airlines to fly from Detroit Metropolitan Wayne County Airport to Region of Ontario one-way?

What are the most popular routes from Detroit Metropolitan Wayne County Airport to Region of Ontario?

What are the most reliable airlines from Detroit Metropolitan Wayne County Airport to Region of Ontario?

What are the cheapest flights from Detroit Metropolitan Wayne County Airport to Region of Ontario?

Can I find deals for flights from Detroit to Ontario that include hotel bookings?

How can I find direct flights from Detroit to Ontario?

Can I find deals for business class flights from Detroit to Ontario?

What is the cheapest month to book a flight from Detroit Metropolitan Wayne County Airport to Region of Ontario?

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Alternative routes for Detroit to Ontario

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Top 3 airlines flying from Detroit to Ontario

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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 December 15, 2025.