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Cheap flights from Ontario to Detroit from $94

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 4/23. 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
5:33 pm - 10:58 am
ONT
-
DTW
14h 25m
1 stop
Frontier Logo
10:27 pm - 11:55 pm
DTW
-
ONT
28h 28m
1 stop
$172Frontier
Thu, Apr 16 - Fri, Apr 17
Frontier Logo
5:33 pm - 10:58 am
ONT
-
DTW
14h 25m
1 stop
Frontier Logo
10:27 pm - 11:55 pm
DTW
-
ONT
28h 28m
1 stop
$178Frontier
Thu, Apr 16 - Mon, Apr 20
Frontier Logo
12:59 am - 10:58 am
ONT
-
DTW
6h 59m
1 stop
Frontier Logo
10:27 pm - 11:55 pm
DTW
-
ONT
28h 28m
1 stop
$187Frontier
Thu, May 14 - Sun, May 17
Frontier Logo
12:59 am - 10:58 am
ONT
-
DTW
6h 59m
1 stop
Frontier Logo
10:05 am - 4:38 pm
DTW
-
ONT
9h 33m
1 stop
$189Frontier
Thu, May 7 - Mon, May 11
Frontier Logo
10:03 pm - 7:00 am
ONT
-
DTW
5h 57m
1 stop
Frontier Logo
7:45 am - 3:57 pm
DTW
-
ONT
11h 12m
1 stop
$190Frontier
Wed, Apr 1 - Wed, Apr 8
Frontier Logo
12:59 am - 10:58 am
ONT
-
DTW
6h 59m
1 stop
Frontier Logo
10:27 pm - 11:55 pm
DTW
-
ONT
28h 28m
1 stop
$192Frontier
Thu, Apr 16 - Mon, Apr 27
Frontier Logo
5:33 pm - 10:58 am
ONT
-
DTW
14h 25m
1 stop
Frontier Logo
10:05 am - 4:38 pm
DTW
-
ONT
9h 33m
1 stop
$197Frontier
Thu, Apr 23 - Mon, May 4
Frontier Logo
5:33 pm - 9:42 pm
ONT
-
DTW
25h 09m
1 stop
Frontier Logo
10:27 pm - 7:31 am
DTW
-
ONT
12h 04m
1 stop
$200Frontier
Thu, Apr 23 - Thu, Apr 30
Frontier Logo
5:33 pm - 9:42 pm
ONT
-
DTW
25h 09m
1 stop
Frontier Logo
11:53 am - 11:55 pm
DTW
-
ONT
15h 02m
1 stop
$201Frontier
Thu, Apr 23 - Sun, Apr 26
Multiple Airlines Logo
12:59 am - 8:13 pm
ONT
-
DTW
16h 14m
2 stops
Multiple Airlines Logo
10:27 pm - 11:55 pm
DTW
-
ONT
28h 28m
1 stop
$204Multiple Airlines
Tue, Apr 14 - Fri, Apr 17

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
Apr 16
ONT5:33 pmOntario
14h 25m
1 stop
DTW10:58 amDetroit Metropolitan Wayne County
Apr 20
DTW10:27 pmDetroit Metropolitan Wayne County
28h 28m
1 stop
ONT11:55 pmOntario
$178
Frontier
May 7
ONT12:59 amOntario
6h 59m
1 stop
DTW10:58 amDetroit Metropolitan Wayne County
May 11
DTW10:05 amDetroit Metropolitan Wayne County
9h 33m
1 stop
ONT4:38 pmOntario
$189
Frontier
May 7
ONT12:59 amOntario
6h 59m
1 stop
DTW10:58 amDetroit Metropolitan Wayne County
May 11
DTW10:05 amDetroit Metropolitan Wayne County
9h 33m
1 stop
ONT4:38 pmOntario
$190

Southwest flights from Ontario to Detroit Metropolitan Wayne County Airport

Our best Southwest deals on Ontario to Detroit Metropolitan Wayne County Airport flight tickets
Southwest
Apr 15
ONT11:55 pmOntario
7h 15m
1 stop
DTW10:10 amDetroit Metropolitan Wayne County
Apr 25
DTW4:05 pmDetroit Metropolitan Wayne County
8h 55m
1 stop
ONT10:00 pmOntario
$277
Southwest
Apr 15
ONT11:55 pmOntario
7h 15m
1 stop
DTW10:10 amDetroit Metropolitan Wayne County
Apr 25
DTW3:40 pmDetroit Metropolitan Wayne County
8h 40m
2 stops
ONT9:20 pmOntario
$282

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 March 10, 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

Thu 4/16

5:33 pm-10:58 am

1 stop14h 25m

Detroit Metropolitan Wayne County

Fri 4/17

10:27 pm-11:55 pm

1 stop28h 28m

$172

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Thu 4/16

5:33 pm-10:58 am

1 stop14h 25m

Detroit Metropolitan Wayne County

Mon 4/20

10:27 pm-11:55 pm

1 stop28h 28m

$178

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Thu 5/14

12:59 am-10:58 am

1 stop6h 59m

Detroit Metropolitan Wayne County

Sun 5/17

10:27 pm-11:55 pm

1 stop28h 28m

$187
Quickest round-trip

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Thu 5/7

12:59 am-10:58 am

1 stop6h 59m

Detroit Metropolitan Wayne County

Mon 5/11

10:05 am-4:38 pm

1 stop9h 33m

$189

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Wed 4/1

10:03 pm-7:00 am

1 stop5h 57m

Detroit Metropolitan Wayne County

Wed 4/8

7:45 am-3:57 pm

1 stop11h 12m

$190

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Thu 4/16

12:59 am-10:58 am

1 stop6h 59m

Detroit Metropolitan Wayne County

Mon 4/27

10:27 pm-11:55 pm

1 stop28h 28m

$192

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Thu 4/23

5:33 pm-10:58 am

1 stop14h 25m

Detroit Metropolitan Wayne County

Mon 5/4

10:05 am-4:38 pm

1 stop9h 33m

$197

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Thu 4/23

5:33 pm-9:42 pm

1 stop25h 09m

Detroit Metropolitan Wayne County

Thu 4/30

10:27 pm-7:31 am

1 stop12h 04m

$200

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Thu 4/23

5:33 pm-9:42 pm

1 stop25h 09m

Detroit Metropolitan Wayne County

Sun 4/26

11:53 am-11:55 pm

1 stop15h 02m

$201

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Tue 4/14

12:59 am-8:13 pm

2 stops16h 14m

Detroit Metropolitan Wayne County

Fri 4/17

10:27 pm-11:55 pm

1 stop28h 28m

$204

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 May instead. Flights to Detroit Metropolitan Wayne County Airport in May, while not as cheap as those in October, still average around $331.

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 $416.

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 $326 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 have Ontario to Detroit Metropolitan Wayne County Airport flight prices changed over time?

As of March 2026, prices for Ontario to Detroit Metropolitan Wayne County Airport flights are approximately 91% 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 31m

Direct flights

None
The fastest flight from Ontario to Detroit Metropolitan Wayne County Airport takes 6h 31m
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 31m.

  • 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
8,513 reviews
Search Spirit Airlines flights
FrontierPriceFrom $170Free CancellationRating
5.7
3,033 reviews
Search Frontier flights
American AirlinesPriceFrom $272Free CancellationRating
7.1
11,414 reviews
Search American Airlines flights
DeltaPriceFrom $277Free CancellationRating
7.9
8,276 reviews
Search Delta flights
United AirlinesPriceFrom $321Free CancellationRating
7.4
9,409 reviews
Search United Airlines flights
SouthwestPriceFrom $338Free CancellationRating
8.0
4,317 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
Dearborn
Romulus
Troy
Monroe
Southfield
Livonia
Novi
Port Clinton
Roseville
Port Huron
Sterling Heights
Brighton
Dundee
Ypsilanti
Pontiac
Plymouth
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.

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