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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
$632
Delta Airlines
• 1 stop
• 14h 18m
Jul 02 – Jul 24
The cheapest round trip flight from Ontario to Detroit (ONT-DTW-ONT) is currently $632
Cheapest One way Flight
$379
Alaska Airlines
• 2 stops
• 18h 44m
Jul 01
The cheapest one way flight from Ontario to Detroit (ONT-DTW) is currently $379
Cheapest Direct Flight
$530
Delta Airlines
• nonstop
•
Jun 30
The cheapest nonstop flight from Ontario to Detroit (ONT-DTW) is currently $530
Fastest Flight
13h 31m
The fastest nonstop flight from Ontario to Detroit (ONT-DTW) takes 13h 31m
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 02 - Jul 24, Economy
Ontario → Detroit
14h 18m
5:21 PM - 5:19 AM • 1 stop
Ontario → Detroit
7h 27m
8:59 PM - 10:46 PM • nonstop
Delta Airlines
Jul 02 - Jul 24, Economy
Ontario → Detroit
13h 31m
1:00 PM - 12:11 AM • 1 stop
Ontario → Detroit
7h 23m
3:50 PM - 5:33 PM • nonstop
Delta Airlines
Jul 02 - Jul 24, Economy
Ontario → Detroit
13h 31m
1:00 PM - 12:11 AM • 1 stop
Ontario → Detroit
10h 28m
8:20 PM - 11:48 PM • 1 stop
Delta Airlines
Jul 02 - Jul 24, Economy
Ontario → Detroit
14h 18m
5:21 PM - 5:19 AM • 1 stop
Ontario → Detroit
10h 28m
8:20 PM - 11:48 PM • 1 stop
Delta Airlines
Jul 02 - Jul 24, Economy
Ontario → Detroit
16h 50m
7:05 AM - 8:15 PM • 1 stop
Ontario → Detroit
7h 23m
3:50 PM - 5:33 PM • nonstop
Delta Airlines
Explore competitive one-way airfare options for ONT - DTW flights. Best suited for flexible or open-ended travel plans.
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 02 - Jul 24, Economy
Ontario → Detroit
14h 18m
5:21 PM - 5:19 AM • 1 stop
Ontario → Detroit
7h 27m
8:59 PM - 10:46 PM • nonstop
Delta Airlines
Jul 02 - Jul 24, Economy
Ontario → Detroit
13h 31m
1:00 PM - 12:11 AM • 1 stop
Ontario → Detroit
7h 23m
3:50 PM - 5:33 PM • nonstop
Delta Airlines
Jul 02 - Jul 24, Economy
Ontario → Detroit
13h 31m
1:00 PM - 12:11 AM • 1 stop
Ontario → Detroit
10h 28m
8:20 PM - 11:48 PM • 1 stop
Delta Airlines
Jul 02 - Jul 24, Economy
Ontario → Detroit
14h 18m
5:21 PM - 5:19 AM • 1 stop
Ontario → Detroit
10h 28m
8:20 PM - 11:48 PM • 1 stop
Delta Airlines
Jul 02 - Jul 24, Economy
Ontario → Detroit
16h 50m
7:05 AM - 8:15 PM • 1 stop
Ontario → Detroit
7h 23m
3:50 PM - 5:33 PM • nonstop
Delta Airlines
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.
Jun 30 - Jul 10, Economy
Ontario → Detroit
- • nonstop
Ontario → Detroit
- • nonstop
Delta Airlines
Jun 30 - Jul 10, Economy
Ontario → Detroit
- • nonstop
Ontario → Detroit
- • nonstop
Delta Airlines
Jun 30 - Jul 10, Economy
Ontario → Detroit
- • nonstop
Ontario → Detroit
- • nonstop
Delta Airlines
Jun 30 - Jul 10, Economy
Ontario → Detroit
- • nonstop
Ontario → Detroit
- • nonstop
Delta Airlines
Jun 30 - Jul 10, Economy
Ontario → Detroit
- • nonstop
Ontario → Detroit
- • 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 6:02 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 AS : USD 2339
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 10:2000 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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