HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Miami

$65+ Cheap flights from Ontario to Miami (ONT - MIA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MIA
ene. 22 — ene. 291
mié. 1/22
mié. 1/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Miami with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Ontario to Miami are usually found in September or August, booked 27 days in advance, depart on a Wednesday or Thursday and return on a Thursday

Cheap flight deals from Ontario to Miami

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Miami (MIA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$130
(Frontier)

One-way from

$65
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$404
Provider with most accurate pricing for Ontario-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Miami flights.
Search Deals
From Ontario to Miami
Search Deals
One-way flight from Ontario to Miami
Search Deals
High demand for flights, 9% potential price rise
Search Deals
Best time to find cheap flights, 3% potential price drop
Search Deals
Average for round-trip flights in January 2025
Search Deals

Find flight deals from Ontario to Miami

Cheapest flights from Ontario to Miami
Explore the most affordable flight options available from Ontario to Miami. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 17, 2025.

This Frontier deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/18:09 pmONT - MIA
1 stop11h 44mFrontier
mié. 3/58:00 amMIA - ONT
1 stop12h 58mFrontier
Deal found 1/14$130
This Orbitz deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/197:00 amONT - MIA
1 stop8h 59mMultiple Airlines
lun. 4/2811:10 amMIA - ONT
1 stop10h 48mMultiple Airlines
Deal found 1/14$288
This Delta deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/2512:46 pmONT - MIA
1 stop8h 59mDelta
mié. 4/26:40 pmMIA - ONT
1 stop8h 05mDelta
Deal found 1/16$337

Find flights from Ontario to Miami within your budget

Customize your flight search to find flights from Ontario to Miami that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 17, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioMiami

ONT - MIA

ONTMIA

Ontario

sáb. 2/22

8:09 pm-10:53 am

1 stop11h 44m

Miami

jue. 2/27

1:29 pm-6:58 pm

1 stop8h 29m

$130

OntarioMiami

ONT - MIA

ONTMIA

Ontario

jue. 2/27

4:19 pm-5:16 am

1 stop9h 57m

Miami

vie. 3/7

7:52 pm-11:02 am

2 stops18h 10m

$322

OntarioMiami

ONT - MIA

ONTMIA

Ontario

mar. 3/25

5:15 pm-6:19 am

1 stop10h 04m

Miami

mar. 4/1

7:10 am-11:36 am

1 stop7h 26m

$337

OntarioMiami

ONT - MIA

ONTMIA

Ontario

dom. 2/23

7:00 am-6:47 pm

1 stop8h 47m

Miami

mié. 2/26

7:52 pm-11:58 pm

1 stop31h 06m

$374

OntarioMiami

ONT - MIA

ONTMIA

Ontario

mar. 3/11

5:05 am-10:34 pm

2 stops14h 29m

Miami

mar. 3/18

1:05 pm-8:57 pm

2 stops10h 52m

$384

OntarioMiami

ONT - MIA

ONTMIA

Ontario

mar. 5/6

12:16 pm-5:22 am

1 stop14h 06m

$70

OntarioMiami

ONT - MIA

ONTMIA

Ontario

mar. 3/25

5:15 pm-6:19 am

1 stop10h 04m

$169

OntarioMiami

ONT - MIA

ONTMIA

Ontario

dom. 2/23

7:00 am-6:47 pm

1 stop8h 47m

$173

OntarioMiami

ONT - MIA

ONTMIA

Ontario

lun. 3/3

6:25 am-8:35 pm

2 stops11h 10m

$179

OntarioMiami

ONT - MIA

ONTMIA

Ontario

mié. 4/9

5:00 am-10:37 pm

2 stops14h 37m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 12 results
1
2

Compare providers for flights from Ontario to Miami

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Miami in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Miami flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Miami flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Miami flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Miami flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Miami flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Miami

Have a flexible travel schedule? Discover the best time to fly to Miami from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ontario to Miami

Get recent, data-driven insights about flights from Ontario to Miami including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Ontario to Miami?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Miami. Price data was last updated on January 10, 2025.

Booking 27 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Miami. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Ontario to Miami?

Currently, September is the cheapest month in which you can book a flight from Ontario to Miami (average of $230). Flying from Ontario to Miami in March is currently the most expensive (average of $289). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to MIA?

Find hourly flight availability from Ontario to Miami. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 17, 2025.

One of the essential ways to save on airfare from Ontario to Miami is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 18% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Ontario to Miami. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Ontario to Miami flight should consider departing on Tuesday at noon when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Miami by month

Plan your trip to Miami by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Miami ranges from 1.6 - 9.9 inches per month. September is typically the wettest month, when rainfall can reach 9.9 in. January is typically the driest time to visit Miami when rainfall is around 1.6 in.

Temperature in Miami by month

Plan your trip to Miami by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Miami, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

Reviews of airlines servicing Miami

Get insights into the airlines that provide service to Miami. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Miami. Reviews last updated enero 17, 2025.
Peruse reviews from past customers who have flown with United Airlines, Alaska Airlines and Delta from Ontario to Miami to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,659 reviews

Overall

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
4,659 reviews
Southwest
8.1
Very good
4,659 reviews

Overall

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,681 reviews
Southwest
8.1
Very good
4,659 reviews

Overall

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,511 reviews
Southwest
8.1
Very good
4,659 reviews

Overall

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
8,965 reviews
Southwest
8.1
Very good
4,659 reviews

Overall

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,659 reviews

Overall

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Related info for your journey

Find useful and relevant information for your journey from Ontario to Miami. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Ontario to Miami round-trip?

    Flying on Frontier is currently your cheapest option to Miami, with prices starting at $130. Additional round-trip tickets that might be worth considering are offered by Delta and Alaska Airlines, with the lowest prices starting at $337 and $374, respectively. Frontier is 67% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Ontario to Miami one-way?

    $65 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $169 and $174, respectively.

  • Where are the most common layover locations when flying from Ontario to Miami?

    The most popular layover on flights from Ontario to Miami is Phoenix.

  • What are some popular things to do or see while on a layover in Phoenix?

    Chase Field, Desert Ridge Marketplace, and Phoenix Symphony Hall are the most popular attractions in Phoenix if you're in need of something to do during your layover. Chase Field, Desert Ridge Marketplace and Phoenix Symphony Hall are located about 4.0 mi, 16.7 mi, and 4.3 mi, respectively from Phoenix Sky Harbor Intl if you are interested in checking them out. Those on a layover in Phoenix in need of a rental car can book one at Phoenix Sky Harbor Intl for about $59.

  • Where are the least popular layover locations for Ontario to Miami flights?

    Ontario to Miami flights that have layovers will least frequently stop in Dallas.

  • Can I find deals for flights from Ontario to Miami that include hotel bookings?

    Yes. In addition to deals on Ontario to Miami flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Miami?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Miami.

  • Can I find deals for business class flights from Ontario to Miami?

    Yes. Cheapflights offers flight deals from Ontario to Miami by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Miami?

    Currently, September is the cheapest month in which you can book a flight from Ontario to Miami (average of $230). Flying from Ontario to Miami in March is currently the most expensive (average of $289). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Hollywood
Sunny Isles Beach
Aventura
Miami Springs
Doral
Boynton Beach
Sunrise
Deerfield Beach
Homestead
Lantana
Pembroke Pines
Hallandale Beach
Oakland Park
Hialeah
Florida City
Lake Worth
Dania Beach
Palm Beach Gardens
Wilton Manors
Coral Springs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Miami

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Miami flights
Los Angeles to Orlando flights
Los Angeles to Fort Lauderdale flights
San Francisco to Miami flights
San Francisco to Orlando flights
Burbank to Fort Lauderdale flights
Los Angeles to Tampa flights
San Francisco to Fort Lauderdale flights
Ontario to Orlando flights
Burbank to Miami flights
San Diego to Miami flights
San Francisco to Tampa flights
San Diego to Orlando flights
Santa Ana to Fort Lauderdale flights
Burbank to Orlando flights
Santa Ana to Miami flights
Las Vegas to Fort Lauderdale flights
Las Vegas to Miami flights
Los Angeles to West Palm Beach flights
Ontario to Fort Lauderdale flights
San Diego to Fort Lauderdale flights
Oakland to Fort Lauderdale flights
Las Vegas to Orlando flights
San Jose to Miami flights
Ontario to Tampa flights
Oakland to Orlando flights
Sacramento to Orlando flights
Sacramento to Miami flights
Oakland to Miami flights
Santa Ana to Orlando flights
San Jose to Fort Lauderdale flights
San Diego to Tampa flights
San Jose to Orlando flights
San Francisco to West Palm Beach flights
Los Angeles to Fort Myers flights
Sacramento to Fort Lauderdale flights
Los Angeles to Jacksonville flights
Burbank to Tampa flights
Ontario to West Palm Beach flights
Las Vegas to Tampa flights
Santa Ana to Tampa flights
San Francisco to Fort Myers flights
Ontario to Fort Myers flights
San Francisco to Jacksonville flights
San Jose to Tampa flights
Ontario to Jacksonville flights
Sacramento to Tampa flights
Palm Springs to Orlando flights
Los Angeles to Sarasota flights

Top 7 airlines flying from Ontario to Miami

Discover the top 7 airlines that operate flights from Ontario to Miami. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$78Average$264FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$120Average$172FlexibilityNo cancel feeOn-time65%
FrontierCheapest$146Average$271FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$226Average$398FlexibilityNo cancel feeOn-time71%
DeltaCheapest$255Average$391FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$257Average$454FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$276Average$536FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.