Cheap flights from Ontario to Miami from $106
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 Miami departing on 6/25. 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 Miami
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 Miami?
The month of September is, on average, the cheapest month to fly to Miami from Ontario, with most prices found around $327. If you are unable to visit Miami during the month of September, then departing from Ontario during the month August is also very affordable. Most momondo users find prices during this month for around $336.
What is the cheapest day to depart on your flight to Miami?
The cheapest day to depart from Ontario to Miami is on a Saturday when prices can be found for as low as $533. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Miami on Sunday is $586.
What is the cheapest time of day to depart on your flight to Miami?
In the afternoon is the cheapest time of day to fly from Ontario to Miami when you can find flight prices for as low as $481. Flying to Miami in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $606. Of course, these prices can vary depending on the time of year and what airport you fly to.
How far in advance should I book a flight to Miami?
You are more likely to see cheaper flights to Miami from Ontario when booking 13 weeks ahead of your departure date. In general, you can expect to find flights to Miami for around $431 when searching 13 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Miami from Ontario for as low as $360 on momondo.
What is the cheapest airline that flies from Ontario to Miami?
Frontier, Delta, and United Airlines are the most popular carriers operating from Ontario to Miami
What airlines fly to Miami?
American Airlines, JetBlue and Delta are the top three most popular airlines that fly to Miami from Ontario according to our data. American Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Miami. Keep in mind that there are 8 different airlines that fly to Miami on a routine basis, so you have a few additional options to choose from.
When to book flights from Ontario to Miami
Cheap Ontario to Miami (ONT to MIA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Miami
How far is Ontario to Miami by plane?
Ontario and Miami are 2299.8 mi apart from one another. By plane, this route typically takes 6h 42m.
When did momondo last update prices for flights from Ontario Airport to Miami Airport?
Prices for flights from Ontario Airport to Miami Airport are updated daily.
How many operators does momondo search for flights from Ontario Airport to Miami Airport?
As of June 2025, there are 5 operators available to choose from for flights from Ontario Airport to Miami Airport.
How old do you have to be to fly from Ontario Airport to Miami Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Miami Airport.
What documentation or ID do you need to fly to Miami Airport?
The travel and health documents required for your trip to Miami Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Miami Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Ontario to Miami?
Based on momondo bookings for flights between Ontario and Miami, the leading airline is American Airlines, making up 66% of the total bookings. Other popular airlines include Frontier with 12%, United Airlines with 11%, and Delta with 7%.
Best airlines flying from Ontario to Miami
Compare and see reviews for airlines that fly from Ontario to Miami with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $150 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $236 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $258 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $290 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $360 | Free Cancellation | Rating 8.0 4,287 reviews |
Traveling to a place near Miami?
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Why should I use momondo to find a flight deal from Ontario to Miami?
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 Ontario to Miami for you.
Can I find flights from Ontario to Miami with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Miami from Ontario with this policy.
How can momondo help me find flights from Ontario to Miami?
Once all potential Ontario to Miami 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 Ontario to Miami right now. Can momondo alert me if prices change?
Price alerts on flights to Miami from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.