Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Ontario to Detroit from $81

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Detroit

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
11:52 am - 11:55 pmONT  Ontario-DTW Detroit Metropolitan Wayne County
9h 03m1 stop Denver Intl
Frontier Logo
8:35 pm - 11:50 pmDTW  Detroit Metropolitan Wayne County-ONT Ontario
6h 15m1 stop Denver Intl
$168Frontier
Wed, Oct 14 - Wed, Oct 21
Frontier Logo
6:15 am - 3:34 pmONT  Ontario-DTW Detroit Metropolitan Wayne County
6h 19m1 stop Denver Intl
Frontier Logo
8:35 pm - 11:50 pmDTW  Detroit Metropolitan Wayne County-ONT Ontario
6h 15m1 stop Denver Intl
$179Frontier
Sat, Oct 17 - Wed, Oct 21
Alaska Airlines Logo
6:02 am - 5:40 amONT  Ontario-DTW Detroit Metropolitan Wayne County
20h 38m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:59 pm - 11:42 pmDTW  Detroit Metropolitan Wayne County-ONT Ontario
8h 43m1 stop Seattle/Tacoma Intl
$343Alaska Airlines
Sat, Oct 3 - Fri, Oct 16
Alaska Airlines Logo
11:13 am - 5:40 amONT  Ontario-DTW Detroit Metropolitan Wayne County
15h 27m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:00 am - 11:42 pmDTW  Detroit Metropolitan Wayne County-ONT Ontario
19h 42m1 stop Seattle/Tacoma Intl
$343Alaska Airlines
Tue, Oct 6 - Fri, Oct 16
American Airlines Logo
10:10 pm - 9:21 amONT  Ontario-DTW Detroit Metropolitan Wayne County
8h 11m1 stop Charlotte Douglas
American Airlines Logo
7:57 am - 11:53 amDTW  Detroit Metropolitan Wayne County-ONT Ontario
6h 56m1 stop Dallas/Fort Worth
$417American Airlines
Sat, Oct 10 - Sat, Oct 17
American Airlines Logo
7:34 pm - 9:30 amONT  Ontario-DTW Detroit Metropolitan Wayne County
10h 56m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl
American Airlines Logo
10:00 am - 3:16 pmDTW  Detroit Metropolitan Wayne County-ONT Ontario
8h 16m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
$427American Airlines
Mon, Oct 19 - Tue, Oct 27
Southwest Logo
10:05 am - 9:20 pmONT  Ontario-DTW Detroit Metropolitan Wayne County
8h 15m2 stops Denver Intl Nashville Intl
Southwest Logo
1:30 pm - 7:50 pmDTW  Detroit Metropolitan Wayne County-ONT Ontario
9h 20m2 stops Chicago Midway Denver Intl
$489Southwest
Thu, Nov 19 - Mon, Nov 23
Southwest Logo
5:00 am - 4:00 pmONT  Ontario-DTW Detroit Metropolitan Wayne County
8h 00m2 stops Phoenix Sky Harbor Intl Denver Intl
Southwest Logo
8:50 am - 2:40 pmDTW  Detroit Metropolitan Wayne County-ONT Ontario
8h 50m2 stops Chicago Midway Denver Intl
$489Southwest
Fri, Dec 11 - Mon, Dec 14
Delta Logo
7:05 am - 4:53 pmONT  Ontario-DTW Detroit Metropolitan Wayne County
6h 48m1 stop Atlanta Hartsfield-Jackson
Delta Logo
8:00 am - 12:30 pmDTW  Detroit Metropolitan Wayne County-ONT Ontario
7h 30m1 stop Salt Lake City
$521Delta
Thu, Dec 24 - Mon, Jan 4
Delta Logo
1:15 pm - 11:58 pmONT  Ontario-DTW Detroit Metropolitan Wayne County
7h 43m1 stop Salt Lake City
Delta Logo
8:10 am - 12:20 pmDTW  Detroit Metropolitan Wayne County-ONT Ontario
7h 10m1 stop Salt Lake City
$521Delta
Fri, Nov 20 - Mon, Nov 23

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

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 20
ONT6:15 amOntario
6h 19m
1 stop
DTW3:34 pmDetroit Metropolitan Wayne County
Oct 27
DTW10:33 amDetroit Metropolitan Wayne County
9h 05m
1 stop
ONT4:38 pmOntario
$137
Frontier
Oct 14
ONT11:52 amOntario
9h 03m
1 stop
DTW11:55 pmDetroit Metropolitan Wayne County
Oct 21
DTW8:35 pmDetroit Metropolitan Wayne County
6h 15m
1 stop
ONT11:50 pmOntario
$168
Frontier
Oct 17
ONT6:15 amOntario
6h 19m
1 stop
DTW3:34 pmDetroit Metropolitan Wayne County
Oct 21
DTW8:35 pmDetroit Metropolitan Wayne County
6h 15m
1 stop
ONT11:50 pmOntario
$179

momondo Fare Finder

 
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 Ontario - DTW Detroit Metropolitan Wayne County

ONTDTW

Ontario

Wed 10/14

11:52 am-11:55 pm

1 stop9h 03m

Detroit Metropolitan Wayne County

Wed 10/21

8:35 pm-11:50 pm

1 stop6h 15m

$168
Quickest round-trip

OntarioDetroit

ONT Ontario - DTW Detroit Metropolitan Wayne County

ONTDTW

Ontario

Sat 10/17

6:15 am-3:34 pm

1 stop6h 19m

Detroit Metropolitan Wayne County

Wed 10/21

8:35 pm-11:50 pm

1 stop6h 15m

$179

OntarioDetroit

ONT Ontario - DTW Detroit Metropolitan Wayne County

ONTDTW

Ontario

Sat 10/3

6:02 am-5:40 am

1 stop20h 38m

Detroit Metropolitan Wayne County

Fri 10/16

5:59 pm-11:42 pm

1 stop8h 43m

$343

OntarioDetroit

ONT Ontario - DTW Detroit Metropolitan Wayne County

ONTDTW

Ontario

Tue 10/6

11:13 am-5:40 am

1 stop15h 27m

Detroit Metropolitan Wayne County

Fri 10/16

7:00 am-11:42 pm

1 stop19h 42m

$343

OntarioDetroit

ONT Ontario - DTW Detroit Metropolitan Wayne County

ONTDTW

Ontario

Sat 10/10

10:10 pm-9:21 am

1 stop8h 11m

Detroit Metropolitan Wayne County

Sat 10/17

7:57 am-11:53 am

1 stop6h 56m

$417

OntarioDetroit

ONT Ontario - DTW Detroit Metropolitan Wayne County

ONTDTW

Ontario

Mon 10/19

7:34 pm-9:30 am

2 stops10h 56m

Detroit Metropolitan Wayne County

Tue 10/27

10:00 am-3:16 pm

2 stops8h 16m

$427

OntarioDetroit

ONT Ontario - DTW Detroit Metropolitan Wayne County

ONTDTW

Ontario

Thu 11/19

10:05 am-9:20 pm

2 stops8h 15m

Detroit Metropolitan Wayne County

Mon 11/23

1:30 pm-7:50 pm

2 stops9h 20m

$489

OntarioDetroit

ONT Ontario - DTW Detroit Metropolitan Wayne County

ONTDTW

Ontario

Fri 12/11

5:00 am-4:00 pm

2 stops8h 00m

Detroit Metropolitan Wayne County

Mon 12/14

8:50 am-2:40 pm

2 stops8h 50m

$489

OntarioDetroit

ONT Ontario - DTW Detroit Metropolitan Wayne County

ONTDTW

Ontario

Thu 12/24

7:05 am-4:53 pm

1 stop6h 48m

Detroit Metropolitan Wayne County

Mon 1/4

8:00 am-12:30 pm

1 stop7h 30m

$521

OntarioDetroit

ONT Ontario - DTW Detroit Metropolitan Wayne County

ONTDTW

Ontario

Fri 11/20

1:15 pm-11:58 pm

1 stop7h 43m

Detroit Metropolitan Wayne County

Mon 11/23

8:10 am-12:20 pm

1 stop7h 10m

$521

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

Prices are currently low for flights on this route.

Typical prices usually range from $458 to $599.
The lowest price recently found on this route was $137.

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 $298, 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 Tuesday when prices can be found for as low as $529. 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 $656.

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 evening is the least expensive time of day to depart. momondo users have found prices as low as $488 when looking at flights departing in the evening. Flights to Detroit Metropolitan Wayne County Airport are more costly in the morning, with an average ticket price of $601. 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 from Ontario 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 $446 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 $331 on momondo.

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

As of September 2026, prices for Ontario to Detroit Metropolitan Wayne County Airport flights are approximately 2% 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

Best Price Found

$81

Fastest flight time

6h 00m

Direct flights

None
The best one-way flight to Detroit Metropolitan Wayne County Airport from Ontario in the past 72 hours is $81. The best round-trip flight deal from Ontario to Detroit Metropolitan Wayne County Airport found on momondo in the last 72 hours is $168.
The fastest flight from Ontario to Detroit Metropolitan Wayne County Airport takes 6h 00m
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 00m.

  • 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
FrontierPriceFrom $216Free CancellationRating
5.6
2,612 reviews
Search Frontier flights
DeltaPriceFrom $277Free CancellationRating
7.8
8,550 reviews
Search Delta flights
American AirlinesPriceFrom $310Free CancellationRating
7.1
12,039 reviews
Search American Airlines flights
SouthwestPriceFrom $338Free CancellationRating
8.0
4,197 reviews
Search Southwest flights
United AirlinesPriceFrom $340Free CancellationRating
7.4
10,183 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
Dearborn
Auburn Hills
Warren
Romulus
Troy
Southfield
Monroe
Livonia
Roseville
Novi
Port Clinton
Sterling Heights
Port Huron
Belleville
Dundee
Pontiac
Ypsilanti
Farmington Hills
Howell

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
Thu 10/8
Thu 10/15
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Detroit