Cheap Flight Tickets from Detroit (DTW) to Ontario (ONT), Starting at $389

Good to Know: Cheapest and Fastest DTW - ONT Flights

Useful information for finding best airline tickets from Detroit Metropolitan Wayne County to Ontario International on your next trip.

Cheapest Round Trip Flight

$389

F9 Frontier Airlines • 1 stop • 17h 4m

Jul 16 – Jul 20

The cheapest round trip flight from Detroit to Ontario (DTW-ONT-DTW) is currently $389

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Fastest Flight

12h 5m

The fastest nonstop flight from Detroit to Ontario (DTW-ONT) takes 12h 5m

Top Airlines Flying from Detroit to Ontario

Southwest Airlines-WN

Southwest Airlines

Alaska Airlines -AS

Alaska Airlines

American Airlines, AA

American Airlines

Delta Airline, DL

Delta Airlines

Latest Flight Deals from Detroit (DTW) to Ontario (ONT)

Compare and book low fare round-trip air tickets from Detroit to Ontario. Ideal for travelers with confirmed return itineraries.

Jul 16 - Jul 20, Economy
F9
Detroit → Ontario
17h 4m
8:30 AM - 3:54 PM • 1 stop
F9
Detroit → Ontario
24h 19m
6:00 AM - 11:59 PM • 1 stop
$389
Frontier Airlines
Jul 24 - Jul 26, Economy
F9
Detroit → Ontario
17h 4m
8:30 AM - 3:54 PM • 1 stop
F9
Detroit → Ontario
10h 58m
8:17 AM - 6:15 PM • 1 stop
$581
Frontier Airlines
Jul 24 - Jul 26, Economy
F9
Detroit → Ontario
22h 11m
1:19 PM - 11:50 PM • 1 stop
F9
Detroit → Ontario
10h 58m
8:17 AM - 6:15 PM • 1 stop
$581
Frontier Airlines
Jul 19 - Jul 19, Economy
WN
Detroit → Ontario
21h 40m
5:55 AM - 3:55 PM • 1 stop
WN
Detroit → Ontario
25h 40m
8:40 PM - 3:20 PM • 3 stops
$621
Southwest Airlines
Jul 19 - Jul 19, Economy
WN
Detroit → Ontario
20h 25m
6:30 AM - 3:55 PM • 1 stop
WN
Detroit → Ontario
25h 40m
8:40 PM - 3:20 PM • 3 stops
$621
Southwest Airlines
Jul 19 - Jul 19, Economy
WN
Detroit → Ontario
12h 5m
11:30 AM - 3:55 PM • 1 stop
WN
Detroit → Ontario
25h 40m
8:40 PM - 3:20 PM • 2 stops
$745
Southwest Airlines

Fly from Detroit to Ontario with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Detroit to Ontario? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Detroit to Ontario Flights

What are the airports in Detroit?
DTW
What’s the most popular airline flying from DTW to ONT?
The most popular airline flying from Detroit to Ontario are
Can I fly from DTW to ONT non-stop?
NO
Which airlines fly nonstop between Detroit and Ontario?
The non-stop flights between Detroit and Ontario are .
What’s the earliest departure time from DTW to ONT Airport?
The earliest flight leaves DTW at 5:55 am and lands in ONT - Ontario International
What are the airports in Ontario?
ONT
Can I make changes to my Detroit to Ontario 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 DTW to ONT?
Read the fare rules of the Detroit to Ontario 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 Detroit and Ontario?
operate flights between Detroit and Ontario
How long does a flight from Detroit to Ontario take?
It takes approximately 4 hour to fly non-stop from DTW to ONT, which is 1933.98 miles by air.
Which airlines provide the cheapest flights from Detroit (DTW) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from DTW were found on F9 : USD 581
Do I need a passport to fly between DTW and ONT?
No
What’s the latest departure time from DTW to ONT ?
The last flight leaves DTW at 1:19 pm

Detroit (DTW) to Ontario (ONT): Airport Information

Origin Airport Detroit Metropolitan Wayne County , Detroit, US
Destination Airport Ontario International , Ontario, US
Distance 1934 miles

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