ONT - MIA

$139 Find Cheap Flights from Ontario to Miami - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$269
Typical prices: $349-$520
Frontier
Mon 10/1Fri 10/5
ONT - MIA • 1 stop
Cheapest one-way
$139
Typical prices: $176-$284
Frontier
Fri 10/5
ONT - MIA • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Ontario and Miami. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
14 weeks
in advance
Our data shows that travelers who book at least 14 weeks in advance save around 18% compared to booking last minute.
Insights
Insights
When to travel
September
Cheapest • 19% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Portland (PDX)
Cheapest • Avg $326 (round-trip)
Houston Hobby (HOU)
Shortest trip • 6h 55m (one-way)
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Insights
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Booking Insights
Flight Deals

Cheap Flights from Ontario to Miami (ONT-MIA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Miami

Thu, Oct 1 - Mon, Oct 5
Frontier Logo
6:45 pm - 5:59 pmONT  Ontario-MIA Miami
20h 14m1 stop Houston George Bush Intcntl
Frontier Logo
9:30 pm - 11:47 pmMIA  Miami-ONT Ontario
29h 17m2 stops Atlanta Hartsfield-Jackson Denver Intl
$269Frontier
Sat, Sep 26 - Sat, Oct 3
Frontier Logo
11:45 am - 12:46 amONT  Ontario-MIA Miami
10h 01m1 stop Denver Intl
Frontier Logo
5:55 am - 10:30 amMIA  Miami-ONT Ontario
7h 35m1 stop Denver Intl
$278Frontier
Thu, Sep 24 - Mon, Sep 28
Multiple Airlines Logo
11:45 am - 12:46 amONT  Ontario-MIA Miami
10h 01m1 stop Denver Intl
Multiple Airlines Logo
6:16 pm - 11:16 amMIA  Miami-ONT Ontario
20h 00m1 stop Seattle/Tacoma Intl
$363Multiple Airlines
Thu, Dec 10 - Thu, Dec 17
American Airlines Logo
1:27 pm - 11:59 pmONT  Ontario-MIA Miami
7h 32m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
5:00 am - 11:51 amMIA  Miami-ONT Ontario
9h 51m1 stop Dallas/Fort Worth
$397American Airlines
Thu, Feb 18 - Sat, Feb 27
American Airlines Logo
12:26 pm - 11:30 pmONT  Ontario-MIA Miami
8h 04m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
6:00 am - 1:32 pmMIA  Miami-ONT Ontario
10h 32m1 stop Dallas/Fort Worth
$397American Airlines
Wed, Dec 9 - Sat, Dec 12
Delta Logo
12:20 pm - 12:58 amONT  Ontario-MIA Miami
9h 38m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 11:08 amMIA  Miami-ONT Ontario
8h 08m1 stop Atlanta Hartsfield-Jackson
$397Delta
Thu, Dec 3 - Wed, Dec 9
Delta Logo
11:08 pm - 9:31 amONT  Ontario-MIA Miami
7h 23m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 11:08 amMIA  Miami-ONT Ontario
8h 08m1 stop Atlanta Hartsfield-Jackson
$397Delta
Mon, Sep 28 - Mon, Oct 5
Alaska Airlines Logo
7:59 pm - 5:13 pmONT  Ontario-MIA Miami
18h 14m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:18 pm - 10:17 amMIA  Miami-ONT Ontario
18h 59m1 stop Seattle/Tacoma Intl
$397Alaska Airlines
Mon, Sep 28 - Mon, Oct 5
Southwest Logo
11:55 pm - 1:25 pmONT  Ontario-MIA Miami
10h 30m1 stop Chicago Midway
Southwest Logo
6:40 pm - 11:50 pmMIA  Miami-ONT Ontario
8h 10m2 stops Dallas Love Field Phoenix Sky Harbor Intl
$402Southwest
Mon, Sep 28 - Mon, Oct 5
Southwest Logo
11:55 pm - 1:25 pmONT  Ontario-MIA Miami
10h 30m1 stop Chicago Midway
Southwest Logo
4:10 pm - 11:55 pmMIA  Miami-ONT Ontario
10h 45m2 stops Denver Intl Las Vegas Harry Reid Intl
$402Southwest
Booking Insights

Price, demand and travel trends for Ontario to Miami flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Ontario to Miami with more confidence.

How much is a round-trip flight from Ontario to Miami?

Round-trip flights from Ontario to Miami start at $269. Prices are below average for this route right now, with typical round-trip fares ranging from $349 to $520. The lowest price found in the past 5 days was $269 on Frontier.

What's the cheapest day of the week to fly from Ontario to Miami?

Monday is the cheapest day of the week to fly from Ontario to Miami, it is 15% cheaper than the average day. Sunday is the most expensive day with flight prices 12% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Ontario to Miami?

  • September is the cheapest month to fly from Ontario to Miami at $336 round-trip.
  • December ($517) and June ($506) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 53% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Ontario to Miami the cheapest?

Flights from Ontario to Miami are cheapest 14 weeks before departure. Booking in this window typically costs about 18% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Ontario to Miami flights

Low season

October

Cheapest flight

$139
Most popular time to fly with an average 22% increase in price.
Flight from Ontario to Miami

When to book flights from Ontario to Miami

Are your dates flexible? Find out the best times to travel from Ontario to Miami based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Ontario to Miami flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • What are some of the ground transportation choices to get me from the Miami International Airport (MIA) to downtown Miami?

    One of the most convenient choices is to travel on the MIA Mover from the airport to the rental car center at the airport and then board the Miami Dade Transit MIA Line to travel downtown. This entire trip takes around 30 minutes to complete. Passengers can also travel on buses provided by Jet Set Express that make the trip in about 45 minutes. When you travel in a taxi from the airport, you should expect a trip time of about 11 minutes.

  • Where should I look for my rental car company at the Miami International Airport?

    All the rental car companies that operate at this airport do so at the rental car center. Passengers can access the center by traveling on the MIA Mover that passengers will find by traveling on the third-level sky ride to go from the terminal building to the MIA Mover station.

  • Where should I plan on meeting my rideshare vehicle at Miami International Airport?

    All rideshare vehicles do their pick-ups on the arrivals level at the middle median passengers will find easy to access outside of most doors from the baggage claim area of the terminal.

  • What are some choices for hotels that location close to the Miami International Airport?

    One of the most convenient hotel choices at this airport is the Miami International Airport Hotel, which has a location on the second level of Terminal E.

  • Which airports can I use when flying from Ontario to Miami?

    Flights from Ontario to Miami usually depart from Ontario (ONT) and arrive at Miami (MIA).

  • What cabin classes can I book on flights from Ontario to Miami?

    Two cabin classes are available on flights from Ontario to Miami:

    • Economy Class
    • First Class

  • Which airports do connecting flights from Ontario to Miami pass through?

    One-stop flights from Ontario to Miami most commonly connect through:

    • Phoenix Sky Harbor Intl (PHX) - 26% of one-stop connections
    • Dallas/Fort Worth (DFW) - 26% of one-stop connections
    • Houston George Bush Intcntl (IAH) - 16% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 9% of one-stop connections

    Phoenix Sky Harbor Intl (PHX) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Ontario to Miami?

    Yes. Being flexible with your travel dates can save you up to 24% on the Ontario to Miami route. Monday is the cheapest departure day at $356 round-trip on average, while Sunday is the most expensive at $467, a difference of $111. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Miami?

    Some of the most popular sights in Miami are Kaseya Center, Bayfront Park and Bayside Marketplace. These are among the most viewed places in Miami on KAYAK.

  • How expensive are last-minute Ontario to Miami flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 3% above the route average of $414. Book 14 weeks before departure for the lowest fares.

  • How long is a flight from Ontario to Miami?

    A nonstop flight from Ontario to Miami takes 0h 00m, covering 2,291 miles.

  • Do I need a passport to fly from Ontario to Miami?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Ontario to Miami changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $278 to $2,686. That means the highest observed fare was about 10x higher than the lowest one.

  • How are flight prices from Ontario to Miami looking right now?

    One-way fares from Ontario to Miami are currently lower than usual. Average one-way flight prices are about $188, which is 10% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Ontario to Miami?

    Flying via Houston Hobby (HOU) gives the shortest average 1-stop total travel time at 6h 55m, compared with 7h 22m via Phoenix Sky Harbor Intl (PHX) and 7h 42m via Dallas/Fort Worth (DFW).

  • What is the time difference between Ontario and Miami?

    Miami is 3 hours ahead of Ontario (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Miami Airport (MIA)?

    Miami Airport (MIA) hosts 5 major car rental companies, with daily rates starting from around $1 for economy cars. Top options include:
    · Boutique Rent a Car
    · Budget
    · Dollar
    · Alamo
    · Hertz

  • How much should I expect to pay for a Ontario to Miami flight?

    Round-trip flights from Ontario to Miami range from $349 to $520, with an average of $414 over the past 12 months. Anything below $349 counts as a good deal.

Your guide to booking Ontario to Miami flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Monday departure instead of Sunday. On this route, Monday flights average $356 - about $111 less than Sunday (24% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 14 weeks before you fly. On this route, that window historically saves about 18% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Ontario to Miami trip for September. Fares historically average $336 round-trip in that month - typically $181 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Miami Airport.
    - Embassy Suites by Hilton Miami International Airport
    - Sheraton Miami Airport Hotel & Executive Meeting Center
    - Pullman Miami Airport
  • A convenient way to travel to the Orlando International Airport (MCO) from the downtown Orlando area that does not involve driving your own car is to travel on the Line 11 bus provided by Lynx Central Florida Transport, which can make this trip and about 37 minutes.
  • When you are driving your own car to the Orlando International Airport, one of the most convenient ways to park is in the airport's valet service, which also includes complimentary curbside check-in for passengers traveling on several domestic airlines from this airport. When you are looking for the most economical choice for parking, choose the North or South Park Place Economy Lots.
  • If you tend to get a little bit lost in a major airport like Orlando International Airport, this airport features its own dedicated app called the Orlando MCO Airport App that will give passengers step-by-step instructions to any point on the airport property.
  • Passengers looking for a way to pass the time before a flight from the Orlando International Airport should know that this airport offers an extensive public art collection located throughout all the buildings at the airport property. The highlight of this collection are the tech, wellness, space, and fun gardens that take up huge spaces on the floor at various points in the terminal buildings.
  • If you're looking for a great way to speed through the security checkpoint at Orlando International Airport, this airport offers a program called MCO Reserve that allows passengers the ability to book a time to go through security online before their trip.

Everything you need to know for your flight from Ontario to Miami

Information on your arrival and departure airports

Ontario (ONT)
Miami (MIA)