Cheap flights from Ontario to Miami from $96

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 8/10. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Ontario to Miami

Cheap round-trip flights

Frontier Logo
5:14 pm - 5:45 amONT-MIA
9h 31m1 stop
Frontier Logo
7:15 am - 11:53 amMIA-ONT
7h 38m1 stop
$189Frontier
Find Deal
Thu, Aug 14 - Mon, Aug 18
Southwest Logo
9:05 am - 9:25 pmONT-MIA
9h 20m1 stop
Southwest Logo
8:05 am - 12:30 pmMIA-ONT
7h 25m1 stop
$194Southwest
Find Deal
Sat, Aug 9 - Sat, Aug 16
Frontier Logo
5:21 pm - 6:30 amONT-MIA
10h 09m1 stop
Frontier Logo
10:37 am - 7:14 pmMIA-ONT
11h 37m1 stop
$195Frontier
Find Deal
Thu, Aug 7 - Thu, Aug 14
Southwest Logo
6:45 am - 8:40 pmONT-MIA
10h 55m1 stop
Southwest Logo
8:05 am - 12:30 pmMIA-ONT
7h 25m1 stop
$199Southwest
Find Deal
Tue, Sep 16 - Sat, Sep 20
Frontier Logo
7:22 pm - 5:45 amONT-MIA
7h 23m1 stop
Frontier Logo
7:15 am - 4:20 pmMIA-ONT
12h 05m1 stop
$203Frontier
Find Deal
Wed, Jul 23 - Sat, Jul 26
American Airlines Logo
8:15 am - 11:05 pmONT-MIA
11h 50m1 stop
American Airlines Logo
4:02 pm - 9:24 pmMIA-ONT
8h 22m1 stop
$231American Airlines
Find Deal
Wed, Sep 24 - Fri, Sep 26
American Airlines Logo
12:59 am - 2:33 pmONT-MIA
10h 34m1 stop
American Airlines Logo
11:13 am - 6:24 pmMIA-ONT
10h 11m1 stop
$249American Airlines
Find Deal
Mon, Aug 4 - Tue, Aug 12
Delta Logo
10:00 pm - 9:23 amONT-MIA
8h 23m1 stop
Delta Logo
6:00 am - 10:35 amMIA-ONT
7h 35m1 stop
$257Delta
Find Deal
Fri, Aug 22 - Wed, Aug 27
United Airlines Logo
5:05 am - 4:20 pmONT-MIA
8h 15m1 stop
United Airlines Logo
12:06 pm - 10:52 pmMIA-ONT
13h 46m2 stops
$258United Airlines
Find Deal
Tue, Aug 5 - Thu, Aug 14
Delta Logo
11:45 am - 12:24 amONT-MIA
9h 39m1 stop
Delta Logo
2:45 pm - 11:40 pmMIA-ONT
11h 55m2 stops
$262Delta
Find Deal
Sat, Aug 16 - Thu, Aug 21

American Airlines flights from Ontario to Miami

Our best American Airlines deals on Ontario to Miami flight tickets
American Airlines
Sep 24
ONT8:15 amOntario
11h 50m
1 stop
MIA11:05 pmMiami
Sep 26
MIA4:02 pmMiami
8h 22m
1 stop
ONT9:24 pmOntario
American Airlines
Aug 4
ONT12:59 amOntario
10h 34m
1 stop
MIA2:33 pmMiami
Aug 12
MIA11:13 amMiami
10h 11m
1 stop
ONT6:24 pmOntario
American Airlines
Aug 16
ONT6:10 amOntario
12h 28m
1 stop
MIA9:38 pmMiami
Aug 21
MIA11:13 amMiami
10h 12m
1 stop
ONT6:25 pmOntario

Southwest flights from Ontario to Miami

Our best Southwest deals on Ontario to Miami flight tickets
Southwest
Aug 9
ONT9:05 amOntario
9h 20m
1 stop
MIA9:25 pmMiami
Aug 16
MIA8:05 amMiami
7h 25m
1 stop
ONT12:30 pmOntario
Southwest
Sep 16
ONT6:45 amOntario
10h 55m
1 stop
MIA8:40 pmMiami
Sep 20
MIA8:05 amMiami
7h 25m
1 stop
ONT12:30 pmOntario
Southwest
Aug 26
ONT10:20 amOntario
8h 25m
1 stop
MIA9:45 pmMiami
Aug 29
MIA8:00 amMiami
12h 55m
1 stop
ONT5:55 pmOntario

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 $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 $537. 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 $590.

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 $472. 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 $605. 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 weeks ahead of your departure date. In general, you can expect to find flights to Miami for around $430 when searching 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.

How have Ontario to Miami flight prices changed over time?

As of July 2025, prices for Ontario to Miami flights are approximately 15% 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

$96

Fastest flight time

7h 10m

Direct flights

None

Airports in Miami

1 airport
The best one-way flight to Miami from Ontario in the past 72 hours is $96. The best round-trip flight deal from Ontario to Miami found on momondo in the last 72 hours is $189.
The fastest flight from Ontario to Miami takes 7h 10m
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 7h 10m.

  • 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
FrontierPriceFrom $150Free CancellationRating
5.9
3,271 reviews
Search Frontier flights
DeltaPriceFrom $256Free CancellationRating
8.0
7,952 reviews
Search Delta flights
American AirlinesPriceFrom $276Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $290Free CancellationRating
7.4
8,846 reviews
Search United Airlines flights
SouthwestPriceFrom $360Free CancellationRating
8.0
4,250 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
Islamorada
Hollywood
Marco Island
Palm Beach
Marathon
Delray Beach
Pompano Beach
Jupiter
Sunny Isles Beach
Dania Beach
Boynton Beach
Lake Worth
Deerfield Beach
Bonita Springs
Doral
Stuart
Miramar
Miami Gardens

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.


An easier way to manage your Miami trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 7/15
Tue 7/22

Find better results for your trip to the United States