Which layover airport has the shortest connection time from Ontario to Detroit?

Salt Lake City (SLC) has the shortest average layover time for this route: 0h 54m.

Which airport is the most popular layover for flights between Ontario and Detroit?

Denver (DEN) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Ontario to Detroit?

Flights via Denver (DEN) offer the lowest average round-trip price of $277.

What is the cheapest airline that flies from Ontario to Detroit?

Frontier and Delta are the most popular carriers operating from Ontario to Detroit

Which layover airport has the shortest travel time from Ontario to Detroit?

Flights connecting via Salt Lake City (SLC) have the shortest average one-way travel time: 6h 20m.

What airlines fly to Detroit?

Spirit Airlines, Delta and Frontier are the top three most popular airlines that fly to Detroit from Ontario according to our data. Spirit Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Detroit. Keep in mind that there are 6 different airlines that fly to Detroit on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ontario Airport to Detroit?

Prices for flights from Ontario Airport to Detroit were last updated today.

How many operators does momondo search for flights from Ontario Airport to Detroit?

The number of operators available for flights from Ontario Airport to Detroit is 6 as of April 2026.

How old do you have to be to fly from Ontario Airport to Detroit?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Detroit.

What documentation or ID do you need to fly to Detroit?

The required travel and health documents for your Detroit trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Detroit. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$76 Cheap Flights from Ontario to Detroit in 2026

Q: What is the typical price of a round-trip flight between Ontario and Detroit?

Prices are currently low for flights on this route. Typical prices usually range from $492 to $362. The lowest price recently found on this route was $154.

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0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Detroit

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:50 am - 11:59 pm

ONT

DTW

10h 09m

1 stop

8:52 am - 7:35 am

DTW

ONT

25h 43m

1 stop

$154Frontier

Wed, May 20 - Tue, May 26

6:00 am - 12:35 pm

ONT

DTW

27h 35m

1 stop

7:45 am - 11:49 pm

DTW

ONT

19h 04m

1 stop

$160Frontier

Sun, May 10 - Wed, May 13

6:00 am - 11:59 pm

ONT

DTW

14h 59m

1 stop

8:52 am - 7:35 am

DTW

ONT

25h 43m

1 stop

$162Frontier

Fri, May 22 - Tue, May 26

6:00 am - 11:59 pm

ONT

DTW

14h 59m

1 stop

7:55 am - 10:05 am

DTW

ONT

29h 10m

1 stop

$171Frontier

Sat, May 9 - Tue, May 12

6:00 am - 11:59 pm

ONT

DTW

14h 59m

1 stop

1:20 pm - 10:05 am

DTW

ONT

23h 45m

1 stop

$172Frontier

Sat, May 16 - Sat, May 23

10:50 am - 12:35 pm

ONT

DTW

22h 45m

1 stop

8:52 am - 7:35 am

DTW

ONT

25h 43m

1 stop

$180Frontier

Wed, May 6 - Wed, May 13

6:00 am - 11:59 pm

ONT

DTW

14h 59m

1 stop

8:52 am - 7:08 am

DTW

ONT

25h 16m

1 stop

$185Frontier

Wed, May 20 - Wed, May 27

6:00 am - 11:59 pm

ONT

DTW

14h 59m

1 stop

1:20 pm - 11:49 pm

DTW

ONT

13h 29m

1 stop

$186Frontier

Fri, May 22 - Thu, May 28

8:06 pm - 6:43 pm

ONT

DTW

19h 37m

1 stop

7:55 am - 10:05 am

DTW

ONT

29h 10m

1 stop

$187Frontier

Thu, May 14 - Sun, May 17

6:00 am - 11:59 pm

ONT

DTW

14h 59m

1 stop

7:55 am - 10:05 am

DTW

ONT

29h 10m

1 stop

$191Frontier

Wed, May 6 - Mon, May 11

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Frontier flights from Ontario to Detroit

Our best Frontier deals on Ontario to Detroit flight tickets

Frontier

May 20

ONT10:50 amOntario

10h 09m

1 stop

DTW11:59 pmDetroit Metropolitan Wayne County

May 26

DTW8:52 amDetroit Metropolitan Wayne County

25h 43m

1 stop

ONT7:35 amOntario

$154

Frontier

May 10

ONT6:00 amOntario

27h 35m

1 stop

DTW12:35 pmDetroit Metropolitan Wayne County

May 13

DTW7:45 amDetroit Metropolitan Wayne County

19h 04m

1 stop

ONT11:49 pmOntario

$160

Frontier

May 22

ONT6:00 amOntario

14h 59m

1 stop

DTW11:59 pmDetroit Metropolitan Wayne County

May 26

DTW8:52 amDetroit Metropolitan Wayne County

25h 43m

1 stop

ONT7:35 amOntario

$162

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Wed 5/20

10:50 am-11:59 pm

1 stop10h 09m

Detroit Metropolitan Wayne County

Tue 5/26

8:52 am-7:35 am

1 stop25h 43m

$154

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Sun 5/10

6:00 am-12:35 pm

1 stop27h 35m

Detroit Metropolitan Wayne County

Wed 5/13

7:45 am-11:49 pm

1 stop19h 04m

$160

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Fri 5/22

6:00 am-11:59 pm

1 stop14h 59m

Detroit Metropolitan Wayne County

Tue 5/26

8:52 am-7:35 am

1 stop25h 43m

$162

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Sat 5/9

6:00 am-11:59 pm

1 stop14h 59m

Detroit Metropolitan Wayne County

Tue 5/12

7:55 am-10:05 am

1 stop29h 10m

$171

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Sat 5/16

6:00 am-11:59 pm

1 stop14h 59m

Detroit Metropolitan Wayne County

Sat 5/23

1:20 pm-10:05 am

1 stop23h 45m

$172

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Wed 5/6

10:50 am-12:35 pm

1 stop22h 45m

Detroit Metropolitan Wayne County

Wed 5/13

8:52 am-7:35 am

1 stop25h 43m

$180

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Wed 5/20

6:00 am-11:59 pm

1 stop14h 59m

Detroit Metropolitan Wayne County

Wed 5/27

8:52 am-7:08 am

1 stop25h 16m

$185

Quickest round-trip

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Fri 5/22

6:00 am-11:59 pm

1 stop14h 59m

Detroit Metropolitan Wayne County

Thu 5/28

1:20 pm-11:49 pm

1 stop13h 29m

$186

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Thu 5/14

8:06 pm-6:43 pm

1 stop19h 37m

Detroit Metropolitan Wayne County

Sun 5/17

7:55 am-10:05 am

1 stop29h 10m

$187

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Wed 5/6

6:00 am-11:59 pm

1 stop14h 59m

Detroit Metropolitan Wayne County

Mon 5/11

7:55 am-10:05 am

1 stop29h 10m

$191

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Detroit

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Ontario and Detroit?

What is the cheapest month to fly to Detroit?

The cheapest month to fly to Detroit from Ontario is in September. Flight prices, which tend to average around $241, are often lower during this time because this is during the off-season. If you’re not able to fly to Detroit in September, then December is your next best option. Flight prices from Ontario to Detroit during December average around $365.

What is the cheapest day to depart on your flight to Detroit?

On average, the least expensive day to fly to Detroit from Ontario is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $351. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to Detroit for around $440.

What is the cheapest time of day to depart on your flight to Detroit?

At noon is the cheapest time of day to fly from Ontario to Detroit when you can find flight prices for as low as $332. Flying to Detroit at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $402 on average. Flights to Detroit from Ontario in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Detroit?

You are more likely to see cheaper flights to Detroit from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Detroit for around $418 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Detroit from Ontario for as low as $317 on momondo.

How have Ontario to Detroit flight prices changed over time?

As of April 2026, prices for Ontario to Detroit flights are approximately 19% more expensive when compared to flights at the same time last year.

When to book flights from Ontario to Detroit

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Detroit according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to Detroit (ONT to DTT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Detroit

Fastest flight time	6h 13m
Direct flights	None

The fastest flight from Ontario to Detroit takes 6h 13m

There are no direct flights from Ontario to Detroit. There are no popular flight routes from Ontario to Detroit.

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Frequently asked questions about flying from Ontario to Detroit

How far is Ontario to Detroit by plane?
A flight from Ontario to Detroit will travel around 1947.2 mi. 6h 13m is a normal flight duration for this route.
When did momondo last update prices for flights from Ontario Airport to Detroit?
Prices for flights from Ontario Airport to Detroit were last updated today.
How many operators does momondo search for flights from Ontario Airport to Detroit?
The number of operators available for flights from Ontario Airport to Detroit is 6 as of April 2026.
How old do you have to be to fly from Ontario Airport to Detroit?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Detroit.
What documentation or ID do you need to fly to Detroit?
The required travel and health documents for your Detroit trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Detroit. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Ontario to Detroit?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ontario to Detroit is Southwest (31% of total bookings). The next most popular airlines are American Airlines (22%), Delta (22%), and United Airlines (14%).

Best airlines flying from Ontario to Detroit

Compare and see reviews for airlines that fly from Ontario to Detroit with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $128	Free Cancellation	Rating 6.3 8,629 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $170	Free Cancellation	Rating 5.6 2,982 reviews	Search Frontier flights
American Airlines	PriceFrom $272	Free Cancellation	Rating 7.1 11,646 reviews	Search American Airlines flights
Delta	PriceFrom $277	Free Cancellation	Rating 7.9 8,433 reviews	Search Delta flights
Southwest	PriceFrom $305	Free Cancellation	Rating 8.0 4,330 reviews	Search Southwest flights
United Airlines	PriceFrom $321	Free Cancellation	Rating 7.4 9,614 reviews	Search United Airlines flights

Roseville

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Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Detroit?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Detroit. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ontario to Detroit with flexible booking policies on momondo?

Flights from Ontario to Detroit with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ontario to Detroit?

Once you have performed a search for Ontario to Detroit flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ontario to Detroit right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Detroit, momondo offers a useful price alert feature which will track prices for flights to Detroit from Ontario and alert you when they change.