ONT - MIA

$74 Find Cheap Flights from Ontario to Miami - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$161
Typical prices: $356-$541
Frontier
Wed 12/5Fri 12/7
ONT - MIA • 2 stops
Cheapest one-way
$74
Typical prices: $179-$293
Frontier
Sun 12/9
ONT - MIA • 2 stops
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
16 weeks
in advance
Our data shows that travelers who book at least 16 weeks in advance save around 24% compared to booking last minute.
Insights
Insights
When to travel
September
Cheapest • 16% 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 45m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Miami!
Flight Deals
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

Sat, Dec 5 - Mon, Dec 7
Frontier Logo
11:30 am - 9:59 amONT  Ontario-MIA Miami
19h 29m2 stops Denver Intl Dallas/Fort Worth
Frontier Logo
7:46 am - 6:31 pmMIA  Miami-ONT Ontario
13h 45m2 stops Houston George Bush Intcntl Las Vegas Harry Reid Intl
$161Frontier
Wed, Dec 2 - Tue, Dec 8
Frontier Logo
6:00 am - 9:21 pmONT  Ontario-MIA Miami
12h 21m1 stop Denver Intl
Frontier Logo
10:54 am - 11:51 amMIA  Miami-ONT Ontario
27h 57m2 stops Dallas/Fort Worth Las Vegas Harry Reid Intl
$163Frontier
Mon, Nov 23 - Wed, Dec 2
Delta Logo
12:18 pm - 12:56 amONT  Ontario-MIA Miami
9h 38m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:50 am - 12:17 pmMIA  Miami-ONT Ontario
8h 27m1 stop Salt Lake City
$374Delta
Thu, Nov 26 - Wed, Dec 2
Delta Logo
12:18 pm - 11:28 pmONT  Ontario-MIA Miami
8h 10m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:50 am - 12:17 pmMIA  Miami-ONT Ontario
8h 27m1 stop Salt Lake City
$375Delta
Wed, Nov 18 - Tue, Nov 24
American Airlines Logo
10:30 am - 8:51 pmONT  Ontario-MIA Miami
7h 21m1 stop Dallas/Fort Worth
American Airlines Logo
5:10 am - 9:47 amMIA  Miami-ONT Ontario
7h 37m1 stop Dallas/Fort Worth
$419American Airlines
Sat, Apr 24 - Wed, May 5
United Airlines Logo
6:00 am - 6:05 pmONT  Ontario-MIA Miami
9h 05m1 stop Houston George Bush Intcntl
United Airlines Logo
8:00 am - 12:33 pmMIA  Miami-ONT Ontario
7h 33m1 stop Denver Intl
$428United Airlines
Sat, Apr 24 - Wed, Apr 28
United Airlines Logo
6:00 am - 6:05 pmONT  Ontario-MIA Miami
9h 05m1 stop Houston George Bush Intcntl
United Airlines Logo
8:00 am - 12:33 pmMIA  Miami-ONT Ontario
7h 33m1 stop Denver Intl
$428United Airlines
Wed, Nov 25 - Wed, Dec 2
Multiple Airlines Logo
2:01 pm - 11:20 amONT  Ontario-MIA Miami
18h 19m2 stops Las Vegas Harry Reid Intl Minneapolis St Paul
Multiple Airlines Logo
6:36 pm - 10:45 amMIA  Miami-ONT Ontario
19h 09m3 stops Atlanta Hartsfield-Jackson Tampa Denver Intl
$432Multiple Airlines
Thu, Nov 19 - Wed, Nov 25
American Airlines Logo
12:45 pm - 11:59 pmONT  Ontario-MIA Miami
8h 14m1 stop Dallas/Fort Worth
American Airlines Logo
5:10 am - 11:55 amMIA  Miami-ONT Ontario
9h 45m1 stop Dallas/Fort Worth
$445American Airlines
Sat, Dec 5 - Mon, Dec 14
Alaska Airlines Logo
6:00 am - 5:18 pmONT  Ontario-MIA Miami
32h 18m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:21 pm - 11:13 amMIA  Miami-ONT Ontario
19h 52m1 stop Seattle/Tacoma Intl
$445Alaska Airlines
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 with more confidence.

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

Round-trip flights from Ontario to Miami typically range from $356 to $541. The lowest price found in the past 5 days was $161, on Frontier.

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

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Ontario to Miami. It’s 16% cheaper than the average day, while Sunday is the most expensive, with prices 17% higher.

What’s the cheapest month to fly from Ontario to Miami?

•September is the cheapest month to fly from Ontario to Miami at $366 round-trip.
•December ($517) and June ($516) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 41% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Ontario to Miami the cheapest?

Flights from Ontario to Miami are cheapest 16 weeks before departure. Booking in this window typically costs about 24% 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

$74
Beat the crowds with an average 45% drop in travelers.
The most popular month to fly with an average 31% increase in travelers.
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

  • 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

  • How long is a flight from Ontario to Miami?

    A nonstop flight from Ontario to Miami takes 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.

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

    Round-trip flights from Ontario to Miami range from $356 to $541, with an average of $435 over the past 12 months. Anything below $356 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 8% above the $435 route average. Book 16 weeks before departure for the lowest fares.

  • 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 $185, which is 15% below the typical average for this route.

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

    Miami Airport (MIA) hosts 5 major car rental companies, with daily rates averaging $30 for economy cars. Top options include:

    • Budget
    • Dollar
    • Boutique Rent a Car
    • Alamo
    • Hertz

  • 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).

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

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

    • Dallas/Fort Worth (DFW) - 25% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 24% of one-stop connections
    • Houston George Bush Intcntl (IAH) - 13% of one-stop connections
    • Denver Intl (DEN) - 12% of one-stop connections

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

    Yes. Flexible dates can save you up to 29% on flights from Ontario to Miami. Monday is the cheapest departure day at $366 round-trip on average, while Sunday is the most expensive at $512, a difference of $146.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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 45m, compared with 7h 26m via Phoenix Sky Harbor Intl (PHX) and 7h 44m 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 popular places can I visit in Miami?

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

  • 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.

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 are flexible, aim for a Monday departure and avoid flying on Sunday. On this route, Monday flights average $366, about $146 less than Sunday fares (29% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 16 weeks before you fly. On this route, that window historically saves about 24% 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 $366 round-trip in that month - typically $151 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.

    • Pullman Miami Airport
    • La Quinta Inn & Suites by Wyndham Miami Airport East
    • Holiday Inn Express & Suites Miami Airport East By IHG
  • 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.

More options for your flight from Ontario to Miami

Complete your trip to Miami with a hotel stay or car rental

Car rentals in Miami
Hotels in Miami
Vacations in Miami