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Cheap flights from Ontario to Miami from $97

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 5/4. 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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0 bags

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Find the cheapest flights from Ontario to Miami

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Ontario to Miami.
12:26 pm - 5:22 amONT-MIA
13h 56m1 stop
6:00 am - 11:59 pmMIA-ONT
20h 59m1 stop
$216Frontier
Find Deal
Fri, May 2 - Tue, May 6
4:25 pm - 5:21 amONT-MIA
9h 56m1 stop
6:00 am - 11:20 amMIA-ONT
8h 20m1 stop
$229Frontier
Find Deal
Sun, Apr 20 - Sat, Apr 26
10:00 pm - 10:11 pmONT-MIA
21h 11m2 stops
6:15 pm - 10:35 pmMIA-ONT
31h 20m1 stop
$393Delta
Find Deal
Fri, May 9 - Tue, May 13
5:15 pm - 9:20 amONT-MIA
13h 05m2 stops
6:00 am - 10:57 amMIA-ONT
7h 57m1 stop
$407Delta
Find Deal
Sat, Apr 19 - Sat, Apr 26
8:01 pm - 6:20 amONT-MIA
7h 19m1 stop
5:18 am - 9:27 amMIA-ONT
7h 09m1 stop
$437American Airlines
Find Deal
Sat, Aug 16 - Sun, Aug 24
5:05 am - 8:34 pmONT-MIA
12h 29m2 stops
6:20 am - 3:09 pmMIA-ONT
11h 49m2 stops
$445United Airlines
Find Deal
Mon, May 5 - Wed, May 7
10:40 pm - 9:13 amONT-MIA
7h 33m1 stop
5:18 am - 9:58 amMIA-ONT
7h 40m1 stop
$457American Airlines
Find Deal
Sat, May 3 - Sun, May 18
5:05 am - 8:01 pmONT-MIA
11h 56m1 stop
4:50 pm - 9:10 pmMIA-ONT
7h 20m1 stop
$466United Airlines
Find Deal
Sat, May 17 - Wed, May 28
10:45 am - 11:55 pmONT-MIA
10h 10m2 stops
4:15 pm - 11:10 pmMIA-ONT
9h 55m2 stops
$495Southwest
Find Deal
Thu, Jul 31 - Mon, Aug 4
7:00 am - 10:00 pmONT-MIA
12h 00m1 stop
8:30 am - 5:15 pmMIA-ONT
11h 45m2 stops
$508Southwest
Find Deal
Thu, May 22 - Tue, May 27

Southwest flights from Ontario to Miami

Our best Southwest deals on Ontario to Miami flight tickets
Southwest
Jul 31
ONT10:45 amOntario
10h 10m
2 stops
MIA11:55 pmMiami
Aug 4
MIA4:15 pmMiami
9h 55m
2 stops
ONT11:10 pmOntario
Southwest
May 22
ONT7:00 amOntario
12h 00m
1 stop
MIA10:00 pmMiami
May 27
MIA8:30 amMiami
11h 45m
2 stops
ONT5:15 pmOntario
Southwest
May 9
ONT11:35 amOntario
7h 00m
1 stop
MIA9:35 pmMiami
May 11
MIA5:15 amMiami
10h 10m
2 stops
ONT12:25 pmOntario

Frontier flights from Ontario to Miami

Our best Frontier deals on Ontario to Miami flight tickets
Frontier
May 2
ONT12:26 pmOntario
13h 56m
1 stop
MIA5:22 amMiami
May 6
MIA6:00 amMiami
20h 59m
1 stop
ONT11:59 pmOntario
Frontier
Apr 20
ONT4:25 pmOntario
9h 56m
1 stop
MIA5:21 amMiami
Apr 26
MIA6:00 amMiami
8h 20m
1 stop
ONT11:20 amOntario
Frontier
Apr 18
ONT12:49 amOntario
25h 10m
1 stop
MIA4:59 amMiami
Apr 26
MIA6:00 amMiami
8h 20m
1 stop
ONT11:20 amOntario

See travel insights to Miami from

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 $306. 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 $307.

What is the cheapest day to depart on your flight to Miami?

The cheapest day to depart from Ontario to Miami is on a Wednesday when prices can be found for as low as $506. 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 $563.

What is the cheapest time of day to depart on your flight to Miami?

In the morning is the cheapest time of day to fly from Ontario to Miami when you can find flight prices for as low as $487. Flying to Miami in the morning 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 $602. 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 23 weeks ahead of your departure date. In general, you can expect to find flights to Miami for around $411 when searching 23 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 $337 on momondo.

How have Ontario to Miami flight prices changed over time?

As of March 2025, prices for Ontario to Miami flights are approximately 38% more expensive when compared to flights at the same time last year.

When to book flights from Ontario to Miami

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

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

Best Price Found

$97

Fastest flight time

6h 05m

Direct flights

None

Airports in Miami

1 airport
The best one-way flight to Miami from Ontario in the past 72 hours is $97. The best round-trip flight deal from Ontario to Miami found on momondo in the last 72 hours is $216.
The fastest flight from Ontario to Miami takes 6h 05m
There are no direct flights from Ontario to Miami. Popular non-direct route for this connection is Ontario Airport - Miami Airport.
There is 1 airport near Miami: Miami (MIA)

  • 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 40m.

  • 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?

  • 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?


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
JetBluePriceFrom $97Free CancellationRating
7.3
2,924 reviews
Search JetBlue flights
FrontierPriceFrom $146Free CancellationRating
6.0
3,275 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $149Free CancellationRating
6.3
7,883 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $229Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $255Free CancellationRating
8.0
7,899 reviews
Search Delta flights
United AirlinesPriceFrom $257Free CancellationRating
7.4
8,614 reviews
Search United Airlines flights
SouthwestPriceFrom $360Free CancellationRating
8.0
4,275 reviews
Search Southwest flights

Traveling to a place near Miami?

Book flights to Miami if you plan to visit one of these locations
Miami Beach
Key Largo
Hollywood
Marco Island
Islamorada
Marathon
Palm Beach
Delray Beach
Pompano Beach
Jupiter
Boynton Beach
Lake Worth
Dania Beach
Sunny Isles Beach
Deerfield Beach
Doral
Miami Gardens
Stuart
Bonita Springs
Miramar

Why use momondo?

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.


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