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Cheap flights from Ontario to Detroit from $75

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 1/26. 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
6:20 am - 4:19 pm
ONT
-
DTW
6h 59m1 stop
Frontier Logo
5:14 pm - 12:20 am
DTW
-
ONT
10h 06m1 stop
$148Frontier
vie., ene. 30 - dom., feb. 1
Frontier Logo
6:20 am - 4:19 pm
ONT
-
DTW
6h 59m1 stop
Frontier Logo
12:05 pm - 11:59 pm
DTW
-
ONT
14h 54m1 stop
$149Frontier
dom., feb. 8 - vie., feb. 20
Frontier Logo
3:07 pm - 11:59 pm
ONT
-
DTW
29h 52m2 stops
Frontier Logo
5:14 pm - 3:07 pm
DTW
-
ONT
24h 53m1 stop
$152Frontier
mié., ene. 21 - lun., ene. 26
Frontier Logo
7:15 am - 4:19 pm
ONT
-
DTW
30h 04m1 stop
Frontier Logo
12:05 pm - 11:59 pm
DTW
-
ONT
14h 54m1 stop
$156Frontier
sáb., ene. 31 - sáb., feb. 14
Frontier Logo
8:05 pm - 8:44 pm
ONT
-
DTW
21h 39m2 stops
Frontier Logo
12:05 pm - 11:59 pm
DTW
-
ONT
14h 54m1 stop
$161Frontier
lun., feb. 2 - vie., feb. 20
Frontier Logo
6:00 pm - 6:54 am
ONT
-
DTW
9h 54m1 stop
Frontier Logo
5:14 pm - 12:20 am
DTW
-
ONT
10h 06m1 stop
$167Frontier
mié., dic. 31 - lun., ene. 26
Frontier Logo
6:20 am - 4:19 pm
ONT
-
DTW
6h 59m1 stop
Frontier Logo
12:05 pm - 11:59 pm
DTW
-
ONT
14h 54m1 stop
$170Frontier
lun., feb. 2 - vie., feb. 20
Frontier Logo
6:20 am - 4:19 pm
ONT
-
DTW
6h 59m1 stop
Frontier Logo
12:05 pm - 11:59 pm
DTW
-
ONT
14h 54m1 stop
$179Frontier
dom., feb. 1 - sáb., feb. 14
Frontier Logo
6:17 pm - 6:54 am
ONT
-
DTW
9h 37m1 stop
Frontier Logo
7:51 am - 3:09 pm
DTW
-
ONT
10h 18m1 stop
$183Frontier
mar., dic. 30 - mar., ene. 6
Frontier Logo
6:00 pm - 6:54 am
ONT
-
DTW
9h 54m1 stop
Frontier Logo
7:51 am - 3:09 pm
DTW
-
ONT
10h 18m1 stop
$184Frontier
mié., dic. 24 - mar., ene. 6

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
Jan 21
ONT6:00 amOntario
7h 32m
1 stop
DTW4:32 pmDetroit Metropolitan Wayne County
Jan 27
DTW5:35 pmDetroit Metropolitan Wayne County
8h 13m
1 stop
ONT10:48 pmOntario
$207
Find similar
American Airlines
Jan 21
ONT9:59 amOntario
9h 36m
2 stops
DTW10:35 pmDetroit Metropolitan Wayne County
Jan 27
DTW7:00 amDetroit Metropolitan Wayne County
10h 18m
1 stop
ONT2:18 pmOntario
$212
Find similar
American Airlines
Jan 21
ONT9:59 amOntario
9h 31m
2 stops
DTW10:30 pmDetroit Metropolitan Wayne County
Jan 27
DTW8:00 amDetroit Metropolitan Wayne County
11h 05m
2 stops
ONT4:05 pmOntario
$217
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
Jan 30
ONT6:20 amOntario
6h 59m
1 stop
DTW4:19 pmDetroit Metropolitan Wayne County
Feb 1
DTW5:14 pmDetroit Metropolitan Wayne County
10h 06m
1 stop
ONT12:20 amOntario
$148
Find similar
Frontier
Feb 8
ONT6:20 amOntario
6h 59m
1 stop
DTW4:19 pmDetroit Metropolitan Wayne County
Feb 20
DTW12:05 pmDetroit Metropolitan Wayne County
14h 54m
1 stop
ONT11:59 pmOntario
$149
Find similar
Frontier
Jan 21
ONT3:07 pmOntario
29h 52m
2 stops
DTW11:59 pmDetroit Metropolitan Wayne County
Jan 26
DTW5:14 pmDetroit Metropolitan Wayne County
24h 53m
1 stop
ONT3:07 pmOntario
$152
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 diciembre 4, 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

vie. 1/30

6:20 am-4:19 pm

1 stop6h 59m

Detroit Metropolitan Wayne County

dom. 2/1

5:14 pm-12:20 am

1 stop10h 06m

$148

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

dom. 2/8

6:20 am-4:19 pm

1 stop6h 59m

Detroit Metropolitan Wayne County

vie. 2/20

12:05 pm-11:59 pm

1 stop14h 54m

$149

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

mié. 1/21

3:07 pm-11:59 pm

2 stops29h 52m

Detroit Metropolitan Wayne County

lun. 1/26

5:14 pm-3:07 pm

1 stop24h 53m

$152

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

sáb. 1/31

7:15 am-4:19 pm

1 stop30h 04m

Detroit Metropolitan Wayne County

sáb. 2/14

12:05 pm-11:59 pm

1 stop14h 54m

$156

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

lun. 2/2

8:05 pm-8:44 pm

2 stops21h 39m

Detroit Metropolitan Wayne County

vie. 2/20

12:05 pm-11:59 pm

1 stop14h 54m

$161

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

mié. 12/31

6:00 pm-6:54 am

1 stop9h 54m

Detroit Metropolitan Wayne County

lun. 1/26

5:14 pm-12:20 am

1 stop10h 06m

$167

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

lun. 2/2

6:20 am-4:19 pm

1 stop6h 59m

Detroit Metropolitan Wayne County

vie. 2/20

12:05 pm-11:59 pm

1 stop14h 54m

$170

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

dom. 2/1

6:20 am-4:19 pm

1 stop6h 59m

Detroit Metropolitan Wayne County

sáb. 2/14

12:05 pm-11:59 pm

1 stop14h 54m

$179

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

mar. 12/30

6:17 pm-6:54 am

1 stop9h 37m

Detroit Metropolitan Wayne County

mar. 1/6

7:51 am-3:09 pm

1 stop10h 18m

$183

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

mié. 12/24

6:00 pm-6:54 am

1 stop9h 54m

Detroit Metropolitan Wayne County

mar. 1/6

7:51 am-3:09 pm

1 stop10h 18m

$184

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 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 Wednesday when prices can be found for as low as $344. 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 $421.

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 $336 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 $385. 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 $468 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 $296 on momondo.

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

As of December 2025, prices for Ontario to Detroit Metropolitan Wayne County Airport flights are approximately 65% 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

5h 35m

Direct flights

None
The fastest flight from Ontario to Detroit Metropolitan Wayne County Airport takes 5h 35m
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 34m.

  • 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
8,161 reviews
Search Spirit Airlines flights
FrontierPriceFrom $155Free CancellationRating
5.8
3,092 reviews
Search Frontier flights
DeltaPriceFrom $292Free CancellationRating
7.9
8,011 reviews
Search Delta flights
American AirlinesPriceFrom $310Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
United AirlinesPriceFrom $362Free CancellationRating
7.4
9,063 reviews
Search United Airlines flights
SouthwestPriceFrom $394Free CancellationRating
8.0
4,253 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
Romulus
Dearborn
Southfield
Monroe
Novi
Livonia
Port Clinton
Port Huron
Roseville
Sterling Heights
Brighton
Ypsilanti
Pontiac
Dundee
Madison Heights
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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