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Cheap flights from Ontario to Detroit from $76

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Detroit departing on 5/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Ontario to Detroit

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
10:50 am - 11:59 pm
ONT
-
DTW
10h 09m
1 stop
Frontier Logo
8:52 am - 7:35 am
DTW
-
ONT
25h 43m
1 stop
$154Frontier
Wed, May 20 - Tue, May 26
Frontier Logo
6:00 am - 12:35 pm
ONT
-
DTW
27h 35m
1 stop
Frontier Logo
7:45 am - 11:49 pm
DTW
-
ONT
19h 04m
1 stop
$160Frontier
Sun, May 10 - Wed, May 13
Frontier Logo
6:00 am - 11:59 pm
ONT
-
DTW
14h 59m
1 stop
Frontier Logo
8:52 am - 7:35 am
DTW
-
ONT
25h 43m
1 stop
$162Frontier
Fri, May 22 - Tue, May 26
Frontier Logo
6:00 am - 11:59 pm
ONT
-
DTW
14h 59m
1 stop
Frontier Logo
7:55 am - 10:05 am
DTW
-
ONT
29h 10m
1 stop
$171Frontier
Sat, May 9 - Tue, May 12
Frontier Logo
8:06 pm - 6:43 pm
ONT
-
DTW
19h 37m
1 stop
Frontier Logo
7:55 am - 10:05 am
DTW
-
ONT
29h 10m
1 stop
$172Frontier
Mon, May 18 - Thu, May 21
Frontier Logo
10:50 am - 12:35 pm
ONT
-
DTW
22h 45m
1 stop
Frontier Logo
8:52 am - 7:35 am
DTW
-
ONT
25h 43m
1 stop
$180Frontier
Wed, May 6 - Wed, May 13
Frontier Logo
6:00 am - 11:59 pm
ONT
-
DTW
14h 59m
1 stop
Frontier Logo
8:52 am - 7:08 am
DTW
-
ONT
25h 16m
1 stop
$185Frontier
Wed, May 20 - Wed, May 27
Frontier Logo
6:00 am - 11:59 pm
ONT
-
DTW
14h 59m
1 stop
Frontier Logo
1:20 pm - 11:49 pm
DTW
-
ONT
13h 29m
1 stop
$186Frontier
Fri, May 22 - Thu, May 28
Frontier Logo
8:06 pm - 6:43 pm
ONT
-
DTW
19h 37m
1 stop
Frontier Logo
7:55 am - 10:05 am
DTW
-
ONT
29h 10m
1 stop
$187Frontier
Thu, May 14 - Sun, May 17
Frontier Logo
6:00 am - 11:59 pm
ONT
-
DTW
14h 59m
1 stop
Frontier Logo
7:45 am - 11:49 pm
DTW
-
ONT
19h 04m
1 stop
$191Frontier
Wed, May 6 - Wed, May 13

Frontier flights from Ontario to Detroit Metropolitan Wayne County Airport

Our best Frontier deals on Ontario to Detroit Metropolitan Wayne County Airport 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

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Detroit Metropolitan Wayne County Airport 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, momondo users made 832,500 searches. Data last updated April 21, 2026.
Use the filters below to find and compare flights from Ontario to Detroit Metropolitan Wayne County Airport that are best for you.

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

Mon 5/18

8:06 pm-6:43 pm

1 stop19h 37m

Detroit Metropolitan Wayne County

Thu 5/21

7:55 am-10:05 am

1 stop29h 10m

$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

Wed 5/13

7:45 am-11:49 pm

1 stop19h 04m

$191

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Ontario to Detroit Metropolitan Wayne County Airport

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

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

What is the cheapest month to fly to Detroit Metropolitan Wayne County Airport?

The cheapest month to fly to Detroit Metropolitan Wayne County Airport from Ontario is in October. Flight prices, which tend to average around $276, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Detroit Metropolitan Wayne County Airport from Ontario during May instead. Flights to Detroit Metropolitan Wayne County Airport in May, while not as cheap as those in October, still average around $334.

What is the cheapest day to depart on your flight to Detroit Metropolitan Wayne County Airport?

The cheapest day to depart from Ontario to Detroit Metropolitan Wayne County Airport is on a Wednesday when prices can be found for as low as $350. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Detroit Metropolitan Wayne County Airport on Sunday is $440.

What is the cheapest time of day to depart on your flight to Detroit Metropolitan Wayne County Airport?

Flying to Detroit Metropolitan Wayne County Airport from Ontario at noon is the least expensive time of day to depart. momondo users have found prices as low as $332 when looking at flights departing at noon. Flights to Detroit Metropolitan Wayne County Airport are more costly in the morning, with an average ticket price of $400. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Detroit Metropolitan Wayne County Airport?

You are more likely to see cheaper flights to Detroit Metropolitan Wayne County Airport from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Detroit Metropolitan Wayne County Airport 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 Metropolitan Wayne County Airport from Ontario for as low as $317 on momondo.

How have Ontario to Detroit Metropolitan Wayne County Airport flight prices changed over time?

As of April 2026, prices for Ontario to Detroit Metropolitan Wayne County Airport flights are approximately 22% more expensive when compared to flights at the same time last year.

When to book flights from Ontario to Detroit Metropolitan Wayne County Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Detroit Metropolitan Wayne County Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Detroit Metropolitan Wayne County Airport (ONT to DTW) flight deals and tips

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

Fastest flight time

6h 13m

Direct flights

None
The fastest flight from Ontario to Detroit Metropolitan Wayne County Airport takes 6h 13m
There are no direct flights from Ontario to Detroit Metropolitan Wayne County Airport. There are no popular flight routes from Ontario to Detroit Metropolitan Wayne County Airport.
Search flight deals

Frequently asked questions about flying from Ontario to Detroit Metropolitan Wayne County Airport

  • How far is Ontario to Detroit Metropolitan Wayne County by plane?

    There are 1931.2 mi between Ontario and Detroit Metropolitan Wayne County. A reasonable flight in good conditions will take 6h 13m.

  • When did momondo last update prices for flights from Ontario Airport to Detroit Metropolitan Wayne County Airport?

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

  • How many operators does momondo search for flights from Ontario Airport to Detroit Metropolitan Wayne County Airport?

  • How old do you have to be to fly from Ontario Airport to Detroit Metropolitan Wayne County Airport?

    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 Metropolitan Wayne County Airport.

  • What documentation or ID do you need to fly to Detroit Metropolitan Wayne County Airport?

    The required travel and health documents for your Detroit Metropolitan Wayne County Airport 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 Metropolitan Wayne County Airport. 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 Metropolitan Wayne County Airport?

Best airlines flying from Ontario to Detroit Metropolitan Wayne County Airport

Compare and see reviews for airlines that fly from Ontario to Detroit Metropolitan Wayne County Airport with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $128Free CancellationRating
6.3
8,629 reviews
Search Spirit Airlines flights
FrontierPriceFrom $170Free CancellationRating
5.6
2,982 reviews
Search Frontier flights
American AirlinesPriceFrom $272Free CancellationRating
7.1
11,646 reviews
Search American Airlines flights
DeltaPriceFrom $277Free CancellationRating
7.9
8,433 reviews
Search Delta flights
SouthwestPriceFrom $305Free CancellationRating
8.0
4,330 reviews
Search Southwest flights
United AirlinesPriceFrom $321Free CancellationRating
7.4
9,614 reviews
Search United Airlines flights

Traveling to a place near Detroit?

Book flights to Detroit if you plan to visit one of these locations
Put-in-Bay
Auburn Hills
Dearborn
Warren
Romulus
Troy
Monroe
Southfield
Livonia
Novi
Port Clinton
Roseville
Sterling Heights
Port Huron
Dundee
Brighton
Ypsilanti
Pontiac
Utica
Farmington Hills

Why use momondo?

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

Finding the right flight to Detroit from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Detroit quick and easy, saving you time and money.

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

Yes. All flights to Detroit from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Ontario to Detroit flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Ontario to Detroit now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Detroit and let you know when they change.

An easier way to manage your Detroit Metropolitan Wayne County Airport trip

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