Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Ontario to Detroit from $102

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 10/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ontario to Detroit

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:00 am - 11:49 pmONT-DTW
12h 49m1 stop
Multiple Airlines Logo
9:53 pm - 6:49 pmDTW-ONT
23h 56m1 stop
$206Multiple Airlines
Find Deal
Wed, Oct 29 - Wed, Nov 12
Multiple Airlines Logo
6:53 am - 12:59 amONT-DTW
15h 06m1 stop
Multiple Airlines Logo
2:22 pm - 8:42 pmDTW-ONT
9h 20m1 stop
$207Multiple Airlines
Find Deal
Wed, Oct 22 - Wed, Oct 29
Multiple Airlines Logo
8:00 am - 11:49 pmONT-DTW
12h 49m1 stop
Multiple Airlines Logo
9:53 pm - 6:49 pmDTW-ONT
23h 56m1 stop
$212Multiple Airlines
Find Deal
Tue, Oct 28 - Wed, Nov 5
Multiple Airlines Logo
6:53 am - 12:59 amONT-DTW
15h 06m1 stop
Multiple Airlines Logo
9:05 pm - 7:29 amDTW-ONT
37h 24m2 stops
$213Multiple Airlines
Find Deal
Wed, Oct 22 - Wed, Oct 29
Multiple Airlines Logo
8:00 am - 11:49 pmONT-DTW
12h 49m1 stop
Multiple Airlines Logo
5:14 pm - 11:10 amDTW-ONT
20h 56m1 stop
$218Multiple Airlines
Find Deal
Tue, Oct 28 - Fri, Nov 7
Frontier Logo
8:00 am - 12:59 amONT-DTW
37h 59m2 stops
Frontier Logo
7:55 am - 11:50 pmDTW-ONT
18h 55m1 stop
$229Frontier
Find Deal
Tue, Oct 21 - Sat, Oct 25
Frontier Logo
6:53 am - 12:59 amONT-DTW
15h 06m1 stop
Frontier Logo
6:00 am - 4:28 pmDTW-ONT
37h 28m2 stops
$271Frontier
Find Deal
Wed, Oct 22 - Sun, Oct 26
Alaska Airlines Logo
4:11 pm - 3:55 pmONT-DTW
20h 44m1 stop
Alaska Airlines Logo
4:51 pm - 11:05 amDTW-ONT
21h 14m1 stop
$306Alaska Airlines
Find Deal
Fri, Nov 14 - Mon, Nov 17
Delta Logo
7:35 am - 10:28 pmONT-DTW
11h 53m1 stop
Delta Logo
12:36 pm - 10:41 pmDTW-ONT
13h 05m1 stop
$307Delta
Find Deal
Sat, Nov 1 - Wed, Nov 5
Alaska Airlines Logo
4:11 pm - 3:55 pmONT-DTW
20h 44m1 stop
Alaska Airlines Logo
4:51 pm - 11:05 amDTW-ONT
21h 14m1 stop
$315Alaska Airlines
Find Deal
Sat, Nov 8 - Mon, Nov 10

Alaska Airlines flights from Ontario to Detroit Metropolitan Wayne County Airport

Our best Alaska Airlines deals on Ontario to Detroit Metropolitan Wayne County Airport flight tickets
Alaska Airlines
Nov 14
ONT4:11 pmOntario
20h 44m
1 stop
DTW3:55 pmDetroit Metropolitan Wayne County
Nov 17
DTW4:51 pmDetroit Metropolitan Wayne County
21h 14m
1 stop
ONT11:05 amOntario
$306
Find similar
Alaska Airlines
Nov 8
ONT4:11 pmOntario
20h 44m
1 stop
DTW3:55 pmDetroit Metropolitan Wayne County
Nov 10
DTW4:51 pmDetroit Metropolitan Wayne County
21h 14m
1 stop
ONT11:05 amOntario
$315
Find similar

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
Oct 21
ONT8:00 amOntario
37h 59m
2 stops
DTW12:59 amDetroit Metropolitan Wayne County
Oct 25
DTW7:55 amDetroit Metropolitan Wayne County
18h 55m
1 stop
ONT11:50 pmOntario
$229
Find similar
Frontier
Oct 22
ONT6:53 amOntario
15h 06m
1 stop
DTW12:59 amDetroit Metropolitan Wayne County
Oct 26
DTW6:00 amDetroit Metropolitan Wayne County
37h 28m
2 stops
ONT4:28 pmOntario
$271
Find similar
Frontier
Oct 15
ONT7:15 amOntario
13h 07m
1 stop
DTW11:22 pmDetroit Metropolitan Wayne County
Oct 22
DTW6:00 amDetroit Metropolitan Wayne County
20h 50m
1 stop
ONT11:50 pmOntario
$294
Find similar

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 October 8, 2025.
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

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Wed 10/29

8:00 am-11:49 pm

1 stop12h 49m

Detroit Metropolitan Wayne County

Wed 11/12

9:53 pm-6:49 pm

1 stop23h 56m

$206

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Wed 10/22

6:53 am-12:59 am

1 stop15h 06m

Detroit Metropolitan Wayne County

Wed 10/29

2:22 pm-8:42 pm

1 stop9h 20m

$207

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Tue 10/28

8:00 am-11:49 pm

1 stop12h 49m

Detroit Metropolitan Wayne County

Wed 11/5

9:53 pm-6:49 pm

1 stop23h 56m

$212

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Wed 10/22

6:53 am-12:59 am

1 stop15h 06m

Detroit Metropolitan Wayne County

Wed 10/29

9:05 pm-7:29 am

2 stops37h 24m

$213

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Tue 10/28

8:00 am-11:49 pm

1 stop12h 49m

Detroit Metropolitan Wayne County

Fri 11/7

5:14 pm-11:10 am

1 stop20h 56m

$218

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Tue 10/21

8:00 am-12:59 am

2 stops37h 59m

Detroit Metropolitan Wayne County

Sat 10/25

7:55 am-11:50 pm

1 stop18h 55m

$229

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Wed 10/22

6:53 am-12:59 am

1 stop15h 06m

Detroit Metropolitan Wayne County

Sun 10/26

6:00 am-4:28 pm

2 stops37h 28m

$271

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Fri 11/14

4:11 pm-3:55 pm

1 stop20h 44m

Detroit Metropolitan Wayne County

Mon 11/17

4:51 pm-11:05 am

1 stop21h 14m

$306

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Sat 11/1

7:35 am-10:28 pm

1 stop11h 53m

Detroit Metropolitan Wayne County

Wed 11/5

12:36 pm-10:41 pm

1 stop13h 05m

$307

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Sat 11/8

4:11 pm-3:55 pm

1 stop20h 44m

Detroit Metropolitan Wayne County

Mon 11/10

4:51 pm-11:05 am

1 stop21h 14m

$315

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Detroit from

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 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 $312, 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 September instead. Flights to Detroit Metropolitan Wayne County Airport in September, while not as cheap as those in October, still average around $379.

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 Friday when prices can be found for as low as $343. 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 $423.

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 in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $335 when looking at flights departing in the afternoon. Flights to Detroit Metropolitan Wayne County Airport are more costly at noon, with an average ticket price of $406. Departure times at noon 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 $471 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 $340 on momondo.

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

As of October 2025, prices for Ontario to Detroit Metropolitan Wayne County Airport flights are approximately 48% 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

Direct flights

None
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

  • 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 26m.

  • 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 $147Free CancellationRating
6.3
8,082 reviews
Search Spirit Airlines flights
FrontierPriceFrom $149Free CancellationRating
5.8
3,145 reviews
Search Frontier flights
DeltaPriceFrom $292Free CancellationRating
7.9
7,969 reviews
Search Delta flights
American AirlinesPriceFrom $324Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights
SouthwestPriceFrom $394Free CancellationRating
8.0
4,236 reviews
Search Southwest flights
United AirlinesPriceFrom $408Free CancellationRating
7.4
8,965 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
Warren
Southfield
Monroe
Dearborn
Troy
Novi
Romulus
Livonia
Port Huron
Port Clinton
Sterling Heights
Roseville
Brighton
Ypsilanti
Madison Heights
Pontiac
Dundee
Belleville

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 11/7
Fri 11/14
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Detroit