Cheap flights from Ontario to Detroit from $87
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Detroit departing on 5/31. 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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How to get the cheapest flight ticket from Ontario to Detroit
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 Ontario and Detroit?
What is the cheapest month to fly to Detroit?
The cheapest month to fly to Detroit from Ontario is in July. Flight prices, which tend to average around $322, are often lower during this time because this is during the off-season. If you’re not able to fly to Detroit in July, then March is your next best option. Flight prices from Ontario to Detroit during March average around $352.
What is the cheapest day to depart on your flight to Detroit?
On average, the least expensive day to fly to Detroit from Ontario is on a Friday. momondo users have found tickets for Friday departures for as low as $342. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to Detroit for around $440.
What is the cheapest time of day to depart on your flight to Detroit?
In the afternoon is the cheapest time of day to fly from Ontario to Detroit when you can find flight prices for as low as $263. Flying to Detroit in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $399 on average. Flights to Detroit from Ontario at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.
How far in advance should I book a flight to Detroit?
You are more likely to see cheaper flights to Detroit from Ontario when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Detroit for around $435 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Detroit from Ontario for as low as $287 on momondo.
What is the cheapest airline that flies from Ontario to Detroit?
Frontier, American Airlines, and Delta are the most popular carriers operating from Ontario to Detroit
What airlines fly to Detroit?
Spirit Airlines, Delta and American Airlines are the top three most popular airlines that fly to Detroit from Ontario according to our data. Spirit Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Detroit. Keep in mind that there are 6 different airlines that fly to Detroit on a routine basis, so you have a few additional options to choose from.
When to book flights from Ontario to Detroit
Cheap Ontario to Detroit (ONT to DTT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Detroit
How far is Ontario to Detroit by plane?
A flight from Ontario to Detroit will travel around 1947.2 mi. 6h 00m is a normal flight duration for this route.
When did momondo last update prices for flights from Ontario Airport to Detroit?
Prices for flights from Ontario Airport to Detroit were last updated today.
How many operators does momondo search for flights from Ontario Airport to Detroit?
The number of operators available for flights from Ontario Airport to Detroit is 6 as of April 2025.
How old do you have to be to fly from Ontario Airport to Detroit?
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 Ontario Airport to Detroit.
What documentation or ID do you need to fly to Detroit?
The required travel and health documents for your Detroit 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 Detroit. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Ontario to Detroit?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ontario to Detroit is American Airlines (32% of total bookings). The next most popular airlines are Frontier (31%), United Airlines (12%), and Southwest (9%).
Best airlines flying from Ontario to Detroit
Compare and see reviews for airlines that fly from Ontario to Detroit with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $127 | Free Cancellation | Rating 5.9 3,283 reviews | |||
| PriceFrom $148 | Free Cancellation | Rating 6.3 7,942 reviews | |||
| PriceFrom $298 | Free Cancellation | Rating 8.0 7,920 reviews | |||
| PriceFrom $356 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $378 | Free Cancellation | Rating 7.4 8,685 reviews | |||
| PriceFrom $394 | Free Cancellation | Rating 8.0 4,286 reviews |
Traveling to a place near Detroit?
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Why should I use momondo to find a flight deal from Ontario to Detroit?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Detroit. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Ontario to Detroit with flexible booking policies on momondo?
Flights from Ontario to Detroit 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 Ontario to Detroit?
Once you have performed a search for Ontario to Detroit flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Ontario to Detroit right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Detroit, momondo offers a useful price alert feature which will track prices for flights to Detroit from Ontario and alert you when they change.