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Uncover the best deals on Ontario to Detroit flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest ONT - DTW Flights
Useful information for finding best airline tickets from Ontario International to Detroit Metropolitan Wayne County on your next trip.
Cheapest Round Trip Flight
$185
Southwest Airlines
• 1 stop
• 10h 5m
Jul 23 – Jul 30
The cheapest round trip flight from Ontario to Detroit (ONT-DTW-ONT) is currently $185
Cheapest Direct Flight
$1002
Delta Airlines
• nonstop
• 7h 6m
Jul 23
The cheapest nonstop flight from Ontario to Detroit (ONT-DTW) is currently $1002
Fastest Flight
7h 3m
The fastest nonstop flight from Ontario to Detroit (ONT-DTW) takes 7h 3m
Top Airlines Flying from Ontario to Detroit
Latest Flight Deals from Ontario (ONT) to Detroit (DTW)
Compare and book low fare round-trip air tickets from Ontario to Detroit. Ideal for travelers with confirmed return itineraries.
Jul 23 - Jul 30, Economy
Ontario → Detroit
10h 5m
8:00 AM - 5:05 PM • 1 stop
Ontario → Detroit
10h 40m
5:25 AM - 9:05 AM • 1 stop
Southwest Airlines
Jul 23 - Jul 30, Economy
Ontario → Detroit
16h 50m
10:49 AM - 11:59 PM • 1 stop
Ontario → Detroit
17h 4m
8:30 AM - 3:54 PM • 1 stop
Frontier Airlines
Jul 23 - Jul 30, Economy
Ontario → Detroit
36h 40m
3:40 PM - 4:40 PM • 2 stops
Ontario → Detroit
47h 2m
6:10 AM - 7:32 AM • 2 stops
Frontier Airlines
Jul 23 - Jul 30, Economy
Ontario → Detroit
38h 57m
8:17 AM - 10:54 AM • 1 stop
Ontario → Detroit
47h 2m
6:10 AM - 7:32 AM • 2 stops
Frontier Airlines
Jul 23 - Jul 30, Economy
Ontario → Detroit
57h 26m
11:58 PM - 1:44 PM • 2 stops
Ontario → Detroit
20h 44m
6:10 AM - 3:54 PM • 2 stops
JetBlue Airways
Flying to Detroit soon? We've surfaced some of the most affordable last-minute flights from Ontario to Detroit, ideal for urgent plans or spontaneous trips.
Jul 23 - Jul 30, Economy
Ontario → Detroit
10h 5m
8:00 AM - 5:05 PM • 1 stop
Ontario → Detroit
10h 40m
5:25 AM - 9:05 AM • 1 stop
Southwest Airlines
Jul 23 - Jul 30, Economy
Ontario → Detroit
16h 50m
10:49 AM - 11:59 PM • 1 stop
Ontario → Detroit
17h 4m
8:30 AM - 3:54 PM • 1 stop
Frontier Airlines
Jul 23 - Jul 30, Economy
Ontario → Detroit
36h 40m
3:40 PM - 4:40 PM • 2 stops
Ontario → Detroit
47h 2m
6:10 AM - 7:32 AM • 2 stops
Frontier Airlines
Jul 23 - Jul 30, Economy
Ontario → Detroit
38h 57m
8:17 AM - 10:54 AM • 1 stop
Ontario → Detroit
47h 2m
6:10 AM - 7:32 AM • 2 stops
Frontier Airlines
Jul 23 - Jul 30, Economy
Ontario → Detroit
57h 26m
11:58 PM - 1:44 PM • 2 stops
Ontario → Detroit
20h 44m
6:10 AM - 3:54 PM • 2 stops
JetBlue Airways
Looking for the fastest way to Detroit? These direct flight options from ONT to DTW offer both convenience and value—no layovers, just straight to your destination.
Jul 23 - Jul 30, Economy
Ontario → Detroit
7h 6m
5:30 AM - 12:56 PM • nonstop
Ontario → Detroit
7h 27m
8:59 PM - 10:46 PM • nonstop
Delta Airlines
FAQs on Ontario to Detroit Flights
What are the airports in Ontario?
ONT
What’s the most popular airline flying from ONT to DTW?
The most popular airline flying from Ontario to Detroit are
Can I fly from ONT to DTW non-stop?
Yes, you can fly ONT to DTW non-stop on
Which airlines fly nonstop between Ontario and Detroit?
The non-stop flights between Ontario and Detroit are .
What’s the earliest departure time from ONT to DTW Airport?
The earliest flight leaves ONT at 5:30 am and lands in DTW - Detroit Metropolitan Wayne County
What are the airports in Detroit?
DTW
Can I make changes to my Ontario to Detroit flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from ONT to DTW?
Read the fare rules of the Ontario to Detroit air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Ontario and Detroit?
operate flights between Ontario and Detroit
How long does a flight from Ontario to Detroit take?
It takes approximately 4 hour to fly non-stop from ONT to DTW, which is 1933.98 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to Detroit (DTW) ?
In the past couple of days, the cheapest tickets to DTW from ONT were found on DL : USD 1092
Do I need a passport to fly between ONT and DTW?
No
What’s the latest departure time from ONT to DTW ?
The last flight leaves ONT at 11:58 pm
Ontario (ONT) to Detroit (DTW): Airport Information
| Origin Airport | Ontario International , Ontario, US |
| Destination Airport | Detroit Metropolitan Wayne County , Detroit, US |
| Distance | 1934 miles |
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