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Cheap flights from Detroit to Ontario from C$ 182

DTT — ONT
23 Nov — 30 Nov1
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

Tue 22/128:28 p.m. -
1 stop6h 45m
Tue 5/12:12 p.m. -
2 stops27h 49m
Deal found 22/10C$ 291
Wed 23/127:15 a.m. -
1 stop17h 38m
Tue 5/12:12 p.m. -
2 stops27h 49m
Deal found 22/10C$ 308
Thu 24/128:28 p.m. -
1 stop17h 19m
Tue 5/12:12 p.m. -
2 stops27h 49m
Deal found 22/10C$ 312
Mon 21/128:28 p.m. -
1 stop6h 45m
Tue 5/12:12 p.m. -
2 stops27h 49m
Deal found 22/10C$ 339
Sun 20/128:28 p.m. -
1 stop6h 45m
Tue 5/12:12 p.m. -
2 stops27h 49m
Deal found 22/10C$ 363
Tue 22/128:28 p.m. -
1 stop6h 45m
Wed 30/1211:42 a.m. -
1 stop10h 16m
Deal found 22/10C$ 365
Tue 22/128:28 p.m. -
1 stop6h 45m
Wed 6/13:33 p.m. -
1 stop10h 32m
Deal found 20/10C$ 367
Sat 19/128:28 p.m. -
1 stop6h 45m
Tue 29/1210:48 p.m. -
2 stops23h 10m
Deal found 22/10C$ 374
Sat 19/128:28 p.m. -
1 stop6h 45m
Mon 4/110:23 a.m. -
2 stops35h 35m
Deal found 22/10C$ 378
Tue 22/128:28 p.m. -
1 stop6h 45m
Thu 31/1211:32 a.m. -
1 stop10h 26m
Deal found 20/10C$ 384
Tue 22/128:28 p.m. -
1 stop6h 45m
Mon 4/110:23 a.m. -
2 stops35h 35m
Deal found 22/10C$ 386
Wed 23/127:15 a.m. -
1 stop17h 38m
Tue 29/1210:48 p.m. -
2 stops23h 10m
Deal found 22/10C$ 396

Find flight deals from Detroit to Ontario

Round-trip from

C$ 291

One-way from

C$ 182

Popular in

January

Cheapest in

July

Average price

C$ 714
Frontier
  • Frontier
  • 22/12-5/1
  • 3 total stops
  • 34h 34m total
  • Detroit to Ontario
Search Deals
Frontier
  • Frontier
  • 12/11-31/12
  • 1 total stop
  • 17h 07m total
  • Detroit to Ontario
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (C$ 315 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease (C$ 110 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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

Mon 11/1

12:25 p.m.-4:12 p.m.

1 stop6h 47m

Ontario

Wed 31/12

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

Nonstop0h 00m

C$ 252

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Wed 25/11

4:25 p.m.-8:54 p.m.

1 stop7h 29m

Ontario

Wed 31/12

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

Nonstop0h 00m

C$ 252

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Thu 26/11

8:40 a.m.-3:45 p.m.

2 stops10h 05m

Ontario

Wed 31/12

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

Nonstop0h 00m

C$ 276

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Fri 25/12

8:00 a.m.-12:22 p.m.

1 stop7h 22m

Ontario

Wed 31/12

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

Nonstop0h 00m

C$ 323

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Thu 19/11

8:15 a.m.-3:33 p.m.

1 stop10h 18m

Ontario

Wed 31/12

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

Nonstop0h 00m

C$ 336

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Wed 25/11

12:35 p.m.-8:15 p.m.

2 stops10h 40m

Ontario

Wed 31/12

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

Nonstop0h 00m

C$ 343

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Thu 26/11

5:45 a.m.-12:33 p.m.

2 stops9h 48m

Ontario

Wed 31/12

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

Nonstop0h 00m

C$ 343

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Fri 15/1

3:55 p.m.-10:14 p.m.

1 stop9h 19m

Ontario

Wed 31/12

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

Nonstop0h 00m

C$ 346

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Fri 25/12

7:18 a.m.-11:59 a.m.

1 stop7h 41m

Ontario

Wed 31/12

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

Nonstop0h 00m

C$ 377

DetroitOntario

DTW Detroit Metropolitan Wayne County - ONT Ontario

DTWONT

Detroit Metropolitan Wayne County

Sat 19/12

3:40 p.m.-11:15 p.m.

2 stops10h 35m

Ontario

Wed 31/12

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

Nonstop0h 00m

C$ 431

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/10

Showing 1-10 of 22 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$ 501). Flying from Detroit to Ontario in April is currently the most expensive (average of C$ 721). 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$ 598.

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 United Airlines can get you from Detroit to Ontario in just under 7h 22m. Your travel time can differ by up to 4h 38m. 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$ 501). Flying from Detroit to Ontario in April is currently the most expensive (average of C$ 721). 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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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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