Cheap flights from Detroit to Los Angeles from $90
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 2/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Tue 11/3
8:35 pm-10:35 am
1 stop17h 00m
Ontario
Mon 11/16
6:30 am-3:30 pm
1 stop30h 00m
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Wed 11/4
7:00 am-10:35 am
1 stop6h 35m
Ontario
Tue 11/17
6:30 am-11:51 pm
1 stop14h 21m
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Fri 10/30
5:59 pm-11:42 pm
1 stop8h 43m
Ontario
Mon 11/2
8:03 pm-9:19 am
1 stop10h 16m
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Tue 3/2
5:45 pm-11:48 pm
1 stop9h 03m
Ontario
Wed 3/3
1:00 pm-12:03 am
1 stop8h 03m
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Sat 10/31
5:45 pm-10:12 pm
1 stop7h 27m
Ontario
Sat 11/7
6:00 am-3:16 pm
1 stop6h 16m
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Thu 11/26
5:50 am-5:13 pm
2 stops14h 23m
Ontario
Thu 12/3
1:02 pm-11:51 pm
1 stop7h 49m
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Sat 11/7
7:25 am-12:38 pm
1 stop8h 13m
Ontario
Wed 11/11
9:50 am-11:52 pm
2 stops11h 02m
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Sun 11/1
7:29 pm-10:35 am
2 stops18h 06m
Ontario
Mon 11/9
8:35 pm-11:51 pm
3 stops24h 16m
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Fri 2/5
5:45 am-12:15 pm
2 stops9h 30m
Ontario
Mon 2/8
5:05 am-3:30 pm
2 stops7h 25m
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Sun 12/6
1:30 pm-7:55 pm
2 stops9h 25m
Ontario
Thu 12/10
5:45 am-5:20 pm
2 stops8h 35m
See travel insights to Los Angeles from
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 cheapest month to fly to Ontario?
In general, January 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 $358. If you aren’t able to travel during the month of January, then book flights to Ontario from Detroit during July instead. Flights to Ontario in July, while not as cheap as those in January, still average around $387.
How far in advance should I book a flight from Detroit to Ontario?
You are more likely to see cheaper flights to Ontario from Detroit when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $445 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Detroit for as low as $354 on momondo.
What is the cheapest airline that flies from Detroit to Ontario?
Frontier, Alaska Airlines, and Delta are the most popular carriers operating from Detroit to Ontario
What airlines fly to Ontario?
Delta, Frontier and Southwest are the top three most popular airlines that fly to Ontario from Detroit according to our data. Delta is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 6 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.
Which airport is the most popular layover for flights between Detroit and Ontario?
Chicago (MDW) was the most common stop: 40% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Detroit to Ontario?
Flights via Chicago (MDW) offer the lowest average round-trip price of $360.
Which layover airport has the shortest travel time from Detroit to Ontario?
Flights connecting via Salt Lake City (SLC) have the shortest average one-way travel time: 6h 48m.
Which layover airport has the shortest connection time from Detroit to Ontario?
Chicago (MDW) has the shortest average layover time for this route: 1h 10m.
When to book flights from Detroit to Ontario
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
Frequently asked questions about flying from Detroit to Ontario
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 35m, 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?
As of October 2026, there are 4 operators available to choose from 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?
momondo data reveals that the most frequently booked airline on the route from Detroit to Ontario is Delta, representing 41% of all bookings. The subsequent popular airlines are Southwest at 32% and American Airlines at 27%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $211 | Free Cancellation | Rating 5.6 2,552 reviews | |||
| PriceFrom $296 | Free Cancellation | Rating 7.0 12,150 reviews | |||
| PriceFrom $346 | Free Cancellation | Rating 7.8 8,653 reviews | |||
| PriceFrom $353 | Free Cancellation | Rating 7.9 4,227 reviews |
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.