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$64+ 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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MIA
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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The best prices from Ontario to Miami are usually found in August or September, 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 December 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$133
(Mytrip)

One-way from

$64
(Frontier)

Popular in

December

Cheapest in

August

Average price

$536
Provider with most accurate pricing for Ontario-Miami flight deals.
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Provider most trusted by Cheapflights users for Ontario-Miami flights.
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From Ontario to Miami
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One-way flight from Ontario to Miami
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High demand for flights, 9% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in December 2024
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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 December 18, 2024.

This Booking.com deal was found by Cheapflights users on 12/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/3012:59 amONT - MIA
1 stop25h 01mFrontier
Tue 1/78:00 amMIA - ONT
1 stop18h 44mFrontier
Deal found 12/17$238
This eDestinos deal was found by Cheapflights users on 12/17. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2710:39 pmONT - MIA
2 stops18h 39mMultiple Airlines
Sun 1/510:20 pmMIA - ONT
3 stops28h 39mMultiple Airlines
Deal found 12/17$517
This Alaska Airlines deal was found by Cheapflights users on 12/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3110:40 amONT - MIA
1 stop28h 15mAlaska Airlines
Tue 1/77:15 pmMIA - ONT
1 stop24h 49mAlaska Airlines
Deal found 12/17$537
This Delta deal was found by Cheapflights users on 12/17. 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.
Tue 12/246:52 amONT - MIA
1 stop8h 48mDelta
Wed 1/16:00 amMIA - ONT
1 stop7h 46mDelta
Deal found 12/17$561
This American Airlines deal was found by Cheapflights users on 12/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/316:10 amONT - MIA
2 stops9h 06mAmerican Airlines
Sat 1/49:30 pmMIA - ONT
1 stop14h 42mAmerican Airlines
Deal found 12/17$695
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/255:05 amONT - MIA
1 stop8h 10mUnited Airlines
Mon 1/64:55 pmMIA - ONT
1 stop8h 34mUnited Airlines
Deal found 12/17$701
This Southwest deal was found by Cheapflights users on 12/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/312:50 pmONT - MIA
2 stops17h 10mSouthwest
Sat 1/41:35 pmMIA - ONT
2 stops12h 10mSouthwest
Deal found 12/17$812

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 December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Tue 1/14

7:45 am-11:23 pm

1 stop12h 38m

Miami

Wed 1/29

8:00 am-11:47 pm

1 stop18h 47m

$133

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Sat 2/22

8:09 pm-10:53 am

1 stop11h 44m

Miami

Sat 3/1

7:52 pm-11:02 am

2 stops18h 10m

$327

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Wed 1/29

11:14 am-6:15 pm

1 stop28h 01m

Miami

Fri 1/31

5:55 pm-10:34 am

2 stops19h 39m

$367

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Tue 1/7

1:00 pm-12:51 am

1 stop8h 51m

Miami

Tue 1/14

6:05 pm-10:52 pm

1 stop7h 47m

$376

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Tue 1/7

6:10 am-9:37 pm

1 stop12h 27m

Miami

Thu 1/16

5:18 am-9:56 am

1 stop7h 38m

$377

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Sun 1/26

5:00 am-4:55 pm

2 stops8h 55m

Miami

Thu 1/30

7:05 am-3:40 pm

1 stop11h 35m

$391

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Thu 2/27

4:19 pm-5:16 am

1 stop9h 57m

$64

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Thu 2/20

9:11 am-5:05 am

2 stops16h 54m

$182

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Tue 1/14

5:44 pm-6:15 pm

1 stop21h 31m

$187

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Tue 3/4

6:00 am-3:46 pm

1 stop6h 46m

$188

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 13 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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars

*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 December 13, 2024.

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 $218). Flying from Ontario to Miami in March is currently the most expensive (average of $286). 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 December 18, 2024.

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 December 18, 2024.
Peruse reviews from past customers who have flown with Alaska Airlines, American Airlines and Southwest 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
4,848 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

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
4,848 reviews
Southwest
8.1
Very good
4,848 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

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
9,554 reviews
Southwest
8.1
Very good
4,848 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

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
8,604 reviews
Southwest
8.1
Very good
4,848 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

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
9,055 reviews
Southwest
8.1
Very good
4,848 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

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
4,848 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

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 $133. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and Delta, with the lowest prices starting at $367 and $376, respectively. Frontier is 66% 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?

    $64 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $187 and $188, 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 $58.

  • 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 $218). Flying from Ontario to Miami in March is currently the most expensive (average of $286). 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.

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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 December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$78Average$252FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$120Average$172FlexibilityNo cancel feeOn-time65%
FrontierCheapest$158Average$282FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$224Average$390FlexibilityNo cancel feeOn-time71%
DeltaCheapest$226Average$396FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$257Average$446FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$276Average$554FlexibilityNo cancel feeOn-time63%
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