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Cheap flights from Detroit to Los Angeles from $80

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to Los Angeles departing on 4/27. 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 Detroit to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
10:05 am - 4:38 pm
DTW
-
ONT
9h 33m
1 stop
Frontier Logo
10:50 am - 11:59 pm
ONT
-
DTW
10h 09m
1 stop
$160Frontier
Mon, May 4 - Tue, May 5
Frontier Logo
10:27 pm - 11:49 pm
DTW
-
ONT
28h 22m
1 stop
Frontier Logo
6:00 am - 11:59 pm
ONT
-
DTW
14h 59m
1 stop
$161Frontier
Mon, May 4 - Fri, May 8
Frontier Logo
10:27 pm - 11:55 pm
DTW
-
ONT
28h 28m
1 stop
Frontier Logo
12:59 am - 10:58 am
ONT
-
DTW
6h 59m
1 stop
$162Frontier
Mon, Apr 20 - Thu, Apr 23
Frontier Logo
11:54 am - 11:55 pm
DTW
-
ONT
15h 01m
1 stop
Frontier Logo
12:59 am - 10:58 am
ONT
-
DTW
6h 59m
1 stop
$167Frontier
Fri, Apr 24 - Sat, Apr 25
Frontier Logo
10:27 pm - 11:55 pm
DTW
-
ONT
28h 28m
1 stop
Frontier Logo
6:00 am - 11:59 pm
ONT
-
DTW
14h 59m
1 stop
$171Frontier
Fri, May 1 - Fri, May 8
Frontier Logo
10:27 pm - 7:31 am
DTW
-
ONT
12h 04m
1 stop
Frontier Logo
8:06 pm - 6:43 pm
ONT
-
DTW
19h 37m
1 stop
$172Frontier
Thu, Apr 23 - Mon, May 25
Frontier Logo
10:27 pm - 7:31 am
DTW
-
ONT
12h 04m
1 stop
Frontier Logo
12:59 am - 10:58 am
ONT
-
DTW
6h 59m
1 stop
$185Frontier
Thu, Apr 30 - Sat, May 2
Frontier Logo
10:27 pm - 11:55 pm
DTW
-
ONT
28h 28m
1 stop
Frontier Logo
8:21 am - 12:47 pm
ONT
-
DTW
25h 26m
1 stop
$186Frontier
Mon, Apr 20 - Sun, Apr 26
Frontier Logo
7:55 am - 10:05 am
DTW
-
ONT
29h 10m
1 stop
Frontier Logo
6:00 am - 11:59 pm
ONT
-
DTW
14h 59m
1 stop
$187Frontier
Fri, May 8 - Sun, May 17
Frontier Logo
10:27 pm - 11:55 pm
DTW
-
ONT
28h 28m
1 stop
Frontier Logo
12:59 am - 10:58 am
ONT
-
DTW
6h 59m
1 stop
$192Frontier
Fri, Apr 17 - Sat, Apr 25

Frontier flights from Detroit to Ontario

Our best Frontier deals on Detroit to Ontario flight tickets
Frontier
May 4
DTW10:05 amDetroit Metropolitan Wayne County
9h 33m
1 stop
ONT4:38 pmOntario
May 5
ONT10:50 amOntario
10h 09m
1 stop
DTW11:59 pmDetroit Metropolitan Wayne County
$160
Frontier
May 4
DTW10:27 pmDetroit Metropolitan Wayne County
28h 22m
1 stop
ONT11:49 pmOntario
May 8
ONT6:00 amOntario
14h 59m
1 stop
DTW11:59 pmDetroit Metropolitan Wayne County
$161
Frontier
Apr 20
DTW10:27 pmDetroit Metropolitan Wayne County
28h 28m
1 stop
ONT11:55 pmOntario
Apr 23
ONT12:59 amOntario
6h 59m
1 stop
DTW10:58 amDetroit Metropolitan Wayne County
$162

momondo Fare Finder

 
Customize your flight search to find flights from Detroit to Ontario 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 March 27, 2026.
Use the filters below to find and compare flights from Detroit to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Mon 5/4

10:05 am-4:38 pm

1 stop9h 33m

Ontario

Tue 5/5

10:50 am-11:59 pm

1 stop10h 09m

$160

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Mon 5/4

10:27 pm-11:49 pm

1 stop28h 22m

Ontario

Fri 5/8

6:00 am-11:59 pm

1 stop14h 59m

$161

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Mon 4/20

10:27 pm-11:55 pm

1 stop28h 28m

Ontario

Thu 4/23

12:59 am-10:58 am

1 stop6h 59m

$162

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Fri 4/24

11:54 am-11:55 pm

1 stop15h 01m

Ontario

Sat 4/25

12:59 am-10:58 am

1 stop6h 59m

$167

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Fri 5/1

10:27 pm-11:55 pm

1 stop28h 28m

Ontario

Fri 5/8

6:00 am-11:59 pm

1 stop14h 59m

$171

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Thu 4/23

10:27 pm-7:31 am

1 stop12h 04m

Ontario

Mon 5/25

8:06 pm-6:43 pm

1 stop19h 37m

$172
Quickest round-trip

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Thu 4/30

10:27 pm-7:31 am

1 stop12h 04m

Ontario

Sat 5/2

12:59 am-10:58 am

1 stop6h 59m

$185

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Mon 4/20

10:27 pm-11:55 pm

1 stop28h 28m

Ontario

Sun 4/26

8:21 am-12:47 pm

1 stop25h 26m

$186

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Fri 5/8

7:55 am-10:05 am

1 stop29h 10m

Ontario

Sun 5/17

6:00 am-11:59 pm

1 stop14h 59m

$187

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Fri 4/17

10:27 pm-11:55 pm

1 stop28h 28m

Ontario

Sat 4/25

12:59 am-10:58 am

1 stop6h 59m

$192

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Detroit to Ontario

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 Detroit and Ontario?

What is the cheapest month to fly to Ontario?

In general, September is the cheapest month to fly from Detroit to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $198. If you aren’t able to travel during the month of September, then book flights to Ontario from Detroit during August instead. Flights to Ontario in August, while not as cheap as those in September, still average around $296.

Can stopping save me money on Detroit to Ontario flights?

You could potentially save up to 28% on your flight if you consider stops on a Detroit to Ontario flight.

When to book flights from Detroit to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Detroit to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Detroit to Ontario (DTT to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Detroit to Ontario

Fastest flight time

6h 29m

Direct flights

None
The fastest flight from Detroit to Ontario takes 6h 29m
There are no direct flights from Detroit to Ontario. There are no popular flight routes from Detroit to Ontario.
Search flight deals

  • How far is Detroit to Ontario by plane?

    The straight-line distance from Detroit to Ontario is 1947.2 mi. Flights usually cover this in 6h 29m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Detroit to Ontario Airport?

    Prices for flights from Detroit to Ontario Airport were last updated today.

  • How many operators does momondo search for flights from Detroit to Ontario Airport?

  • How old do you have to be to fly from Detroit to Ontario 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 Detroit to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The required travel and health documents for your Ontario 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 Ontario 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 Detroit to Ontario?

Best airlines flying from Detroit to Ontario

Compare and see reviews for airlines that fly from Detroit to Ontario with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $149Free CancellationRating
5.7
3,014 reviews
Search Frontier flights
American AirlinesPriceFrom $296Free CancellationRating
7.1
11,507 reviews
Search American Airlines flights
United AirlinesPriceFrom $329Free CancellationRating
7.4
9,491 reviews
Search United Airlines flights
DeltaPriceFrom $344Free CancellationRating
7.9
8,341 reviews
Search Delta flights
SouthwestPriceFrom $353Free CancellationRating
8.0
4,331 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Detroit to Ontario?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Detroit to Ontario for you.

Can I find flights from Detroit to Ontario with flexible booking policies on momondo?

Flights from Detroit to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Detroit to Ontario?

Once all potential Detroit to Ontario 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 Detroit to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Detroit and alert you when they change.

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