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Cheap flights from Detroit to Ontario from C$ 289

DTT — ONT
6 Oct — 13 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Detroit to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Detroit to Ontario

Sat 3/107:08 a.m. -
1 stop6h 22m
Mon 5/106:15 a.m. -
1 stop6h 13m
Deal found 2/9C$ 289
Tue 29/97:08 a.m. -
1 stop6h 22m
Mon 5/106:15 a.m. -
1 stop6h 13m
Deal found 2/9C$ 346
Wed 21/108:35 p.m. -
1 stop6h 15m
Tue 27/105:07 p.m. -
1 stop8h 48m
Deal found 5/9C$ 428
Sat 12/910:37 a.m. -
1 stop9h 09m
Tue 15/96:15 a.m. -
1 stop6h 13m
Deal found 1/9C$ 457
Fri 16/107:00 a.m. -
1 stop19h 42m
Mon 19/102:13 p.m. -
1 stop12h 27m
Deal found 6/9C$ 475
Thu 24/912:33 p.m. -
1 stop8h 15m
Mon 28/97:46 p.m. -
1 stop11h 06m
Deal found 6/9C$ 495
Sat 3/107:00 a.m. -
2 stops13h 05m
Mon 5/106:02 a.m. -
1 stop20h 38m
Deal found 5/9C$ 523

Find flight deals from Detroit to Ontario

Round-trip from

C$ 289

One-way from

C$ 289

Popular in

January

Cheapest in

July

Average price

C$ 681
Frontier
  • Frontier
  • 3/10-5/10
  • 2 total stops
  • 12h 35m total
  • Detroit to Ontario
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Delta
  • Delta
  • 26/1-31/12
  • 1 total stop
  • 7h 30m total
  • Detroit to Ontario
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (C$ 331 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease (C$ 108 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
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
Quickest round-trip

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Tue 26/1

8:00 a.m.-12:30 p.m.

1 stop7h 30m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 289

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Tue 26/1

10:25 a.m.-8:26 p.m.

2 stops13h 01m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 365

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Tue 6/10

7:00 a.m.-6:00 p.m.

2 stops14h 00m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 394

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Thu 21/1

11:15 a.m.-8:20 p.m.

2 stops12h 05m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 394

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Wed 25/11

1:34 p.m.-11:31 p.m.

2 stops12h 57m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 454

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Wed 7/10

7:00 a.m.-1:16 p.m.

1 stop9h 16m

Ontario

Wed 14/10

11:13 a.m.-5:40 a.m.

1 stop15h 27m

C$ 475

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Fri 16/10

1:35 p.m.-11:42 p.m.

2 stops13h 07m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 481

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Wed 14/10

3:31 p.m.-8:58 p.m.

1 stop8h 27m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 497

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Sat 31/10

6:15 a.m.-8:51 p.m.

3 stops17h 36m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 502

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Sat 26/9

8:21 a.m.-7:03 p.m.

2 stops13h 42m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 544

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 21 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

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 Ontario?

Currently, January is the cheapest month in which you can book a flight from Detroit to Ontario (average of C$ 495). Flying from Detroit to Ontario in April is currently the most expensive (average of C$ 713). 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’s the top layover airport for flights from Detroit to Ontario?

Phoenix (PHX) – chosen by Cheapflights users on 50% of one-stop itineraries from Detroit to Ontario on Cheapflights.

What’s the cheapest layover airport for flights from Detroit to Ontario?

Phoenix (PHX) is the most affordable 1-stop option, with an average round-trip price of C$ 591.

What’s the fastest layover option from Detroit to Ontario?

Flights via Phoenix (PHX) have the shortest average one-way travel time for 1-stop routes: 6h 53m.

Which airport typically offers the quickest layover for flights from Detroit to Ontario?

Flights via Phoenix (PHX) offer the fastest connection on this route, with an average layover time of 1h 16m.

How far ahead should I book a flight from Detroit to Ontario?

To ensure you get the cheapest price possible for a flight from Detroit to Ontario, you should look to book at least 49 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Related info for your journey

  • How long is the flight from Detroit to Ontario?

    Alaska Airlines, Delta, and Southwest can get you from Detroit to Ontario in just under 8h 46m. Your travel time can differ by up to 30m. Detroit and Ontario are separated by a distance of 3104 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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 Ontario?

    Currently, January is the cheapest month in which you can book a flight from Detroit to Ontario (average of C$ 495). Flying from Detroit to Ontario in April is currently the most expensive (average of C$ 713). 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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How does Cheapflights help users find flights from Detroit to Ontario?

Cheapflights helps you search for flights from Detroit to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Detroit to Ontario?

Cheapflights helps you find that perfect flight to Ontario from Detroit by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Detroit to Ontario with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Detroit to Ontario flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Detroit to Ontario become cheaper?

Yes, Cheapflights offers price alerts on Detroit to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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