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Cheap flights from Ontario to Detroit from $65

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 2/25. 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

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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
8:40 am - 11:55 pm
ONT
-
DTW
12h 15m
1 stop
Frontier Logo
11:54 am - 11:59 pm
DTW
-
ONT
15h 05m
1 stop
$126Frontier
Tue, Mar 3 - Tue, Mar 10
Frontier Logo
8:36 am - 11:55 pm
ONT
-
DTW
12h 19m
1 stop
Frontier Logo
8:30 am - 9:34 pm
DTW
-
ONT
16h 04m
1 stop
$140Frontier
Tue, Feb 10 - Wed, Feb 18
Frontier Logo
8:40 am - 11:55 pm
ONT
-
DTW
12h 15m
1 stop
Frontier Logo
8:30 am - 9:34 am
DTW
-
ONT
28h 04m
1 stop
$148Frontier
Tue, Mar 3 - Wed, Mar 4
Frontier Logo
8:35 am - 11:55 pm
ONT
-
DTW
12h 20m
1 stop
Frontier Logo
8:30 am - 9:34 pm
DTW
-
ONT
16h 04m
1 stop
$149Frontier
Tue, Feb 24 - Wed, Feb 25
Frontier Logo
8:35 am - 11:55 pm
ONT
-
DTW
12h 20m
1 stop
Frontier Logo
8:30 am - 1:11 pm
DTW
-
ONT
31h 41m
2 stops
$157Frontier
Tue, Feb 24 - Tue, Mar 3
Frontier Logo
8:35 am - 11:55 pm
ONT
-
DTW
12h 20m
1 stop
Frontier Logo
8:30 am - 9:34 pm
DTW
-
ONT
16h 04m
1 stop
$163Frontier
Tue, Feb 24 - Tue, Mar 3
Frontier Logo
6:05 am - 11:55 pm
ONT
-
DTW
14h 50m
1 stop
Frontier Logo
8:30 am - 9:34 pm
DTW
-
ONT
16h 04m
1 stop
$164Frontier
Thu, Feb 12 - Wed, Feb 18
Frontier Logo
6:05 am - 11:55 pm
ONT
-
DTW
14h 50m
1 stop
Frontier Logo
8:30 am - 9:34 pm
DTW
-
ONT
16h 04m
1 stop
$165Frontier
Thu, Feb 26 - Tue, Mar 3
Frontier Logo
6:05 am - 11:04 am
ONT
-
DTW
25h 59m
1 stop
Frontier Logo
8:30 am - 9:34 pm
DTW
-
ONT
16h 04m
1 stop
$166Frontier
Thu, Feb 12 - Wed, Feb 18
Multiple Airlines Logo
8:36 am - 10:08 pm
ONT
-
DTW
10h 32m
2 stops
Multiple Airlines Logo
8:30 am - 9:34 pm
DTW
-
ONT
16h 04m
1 stop
$179Multiple Airlines
Tue, Feb 10 - Wed, Feb 18

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
Mar 3
ONT8:40 amOntario
12h 15m
1 stop
DTW11:55 pmDetroit Metropolitan Wayne County
Mar 10
DTW11:54 amDetroit Metropolitan Wayne County
15h 05m
1 stop
ONT11:59 pmOntario
$126
Frontier
Feb 10
ONT8:36 amOntario
12h 19m
1 stop
DTW11:55 pmDetroit Metropolitan Wayne County
Feb 18
DTW8:30 amDetroit Metropolitan Wayne County
16h 04m
1 stop
ONT9:34 pmOntario
$140
Frontier
Mar 3
ONT8:40 amOntario
12h 15m
1 stop
DTW11:55 pmDetroit Metropolitan Wayne County
Mar 4
DTW8:30 amDetroit Metropolitan Wayne County
28h 04m
1 stop
ONT9:34 amOntario
$148

American Airlines flights from Ontario to Detroit Metropolitan Wayne County Airport

Our best American Airlines deals on Ontario to Detroit Metropolitan Wayne County Airport flight tickets
American Airlines
Apr 1
ONT7:59 pmOntario
10h 57m
2 stops
DTW9:56 amDetroit Metropolitan Wayne County
Apr 22
DTW3:30 pmDetroit Metropolitan Wayne County
8h 36m
1 stop
ONT9:06 pmOntario
$262
American Airlines
Feb 10
ONT9:59 amOntario
9h 11m
2 stops
DTW10:10 pmDetroit Metropolitan Wayne County
Feb 18
DTW11:03 amDetroit Metropolitan Wayne County
10h 12m
2 stops
ONT6:15 pmOntario
$285
American Airlines
Mar 3
ONT12:21 pmOntario
9h 10m
2 stops
DTW12:31 amDetroit Metropolitan Wayne County
Mar 10
DTW5:45 amDetroit Metropolitan Wayne County
8h 46m
2 stops
ONT11:31 amOntario
$287

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 January 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

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Tue 3/3

8:40 am-11:55 pm

1 stop12h 15m

Detroit Metropolitan Wayne County

Tue 3/10

11:54 am-11:59 pm

1 stop15h 05m

$126

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Tue 2/10

8:36 am-11:55 pm

1 stop12h 19m

Detroit Metropolitan Wayne County

Wed 2/18

8:30 am-9:34 pm

1 stop16h 04m

$140

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Tue 3/3

8:40 am-11:55 pm

1 stop12h 15m

Detroit Metropolitan Wayne County

Wed 3/4

8:30 am-9:34 am

1 stop28h 04m

$148

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Tue 2/24

8:35 am-11:55 pm

1 stop12h 20m

Detroit Metropolitan Wayne County

Wed 2/25

8:30 am-9:34 pm

1 stop16h 04m

$149

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Tue 2/24

8:35 am-11:55 pm

1 stop12h 20m

Detroit Metropolitan Wayne County

Tue 3/3

8:30 am-1:11 pm

2 stops31h 41m

$157

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Tue 2/24

8:35 am-11:55 pm

1 stop12h 20m

Detroit Metropolitan Wayne County

Tue 3/3

8:30 am-9:34 pm

1 stop16h 04m

$163

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Thu 2/12

6:05 am-11:55 pm

1 stop14h 50m

Detroit Metropolitan Wayne County

Wed 2/18

8:30 am-9:34 pm

1 stop16h 04m

$164

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Thu 2/26

6:05 am-11:55 pm

1 stop14h 50m

Detroit Metropolitan Wayne County

Tue 3/3

8:30 am-9:34 pm

1 stop16h 04m

$165

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Thu 2/12

6:05 am-11:04 am

1 stop25h 59m

Detroit Metropolitan Wayne County

Wed 2/18

8:30 am-9:34 pm

1 stop16h 04m

$166

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Tue 2/10

8:36 am-10:08 pm

2 stops10h 32m

Detroit Metropolitan Wayne County

Wed 2/18

8:30 am-9:34 pm

1 stop16h 04m

$179

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $274, 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 November instead. Flights to Detroit Metropolitan Wayne County Airport in November, while not as cheap as those in October, still average around $352.

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 $345. 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 $413.

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 $338 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 $390. 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 $399 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 $334 on momondo.

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

As of January 2026, prices for Ontario to Detroit Metropolitan Wayne County Airport flights are approximately 13% 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 15m

Direct flights

None
The fastest flight from Ontario to Detroit Metropolitan Wayne County Airport takes 6h 15m
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 15m.

  • 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
8,362 reviews
Search Spirit Airlines flights
FrontierPriceFrom $180Free CancellationRating
5.7
3,055 reviews
Search Frontier flights
American AirlinesPriceFrom $272Free CancellationRating
7.2
11,172 reviews
Search American Airlines flights
DeltaPriceFrom $292Free CancellationRating
7.9
8,086 reviews
Search Delta flights
United AirlinesPriceFrom $321Free CancellationRating
7.4
9,190 reviews
Search United Airlines flights
SouthwestPriceFrom $352Free CancellationRating
8.0
4,266 reviews
Search Southwest 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
Troy
Dearborn
Romulus
Southfield
Monroe
Novi
Livonia
Port Clinton
Port Huron
Roseville
Sterling Heights
Brighton
Ypsilanti
Pontiac
Dundee
Belleville
Royal Oak

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.

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