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Cheap flights from Miami to Ontario (MIA - ONT)

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The best prices from Miami to Ontario are usually found in April or May, booked 60 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

How to find the cheapest flight from
Miami (MIA) to Ontario (ONT)

MIA - ONT
Price
$169 - $443

Popular in

December

High demand for flights, 35% potential price rise

Cheapest in

April

Best time to find cheap flights, 41% potential price drop

Round-trip from

$169

From Miami to Ontario

One-way from

$117

One-way flight from Miami to Ontario

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Miami to Ontario?

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 35% when planning your travel around this day of the week.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 17 days in advance, which can save you up to 20% on flights from Miami to Ontario compared to booking the week you need them. Waiting 17 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $75. For sooner than that we have options available in the next 3 days from $95.

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

Flights from Miami to Ontario lean towards being more expensive in December. Prices are generally better when you fly from Miami to Ontario in April, with the cheapest ticket starting at $43.

When is the cheapest time to fly from Miami to Ontario (MIA - ONT)?

When flying from Miami to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 40% versus a flight at noon.

Cheap flights from Miami to Ontario in January, February 2021

The best prices found for MIA to ONT flights for January, February
11 Feb - 15 Feb
$116pp
MIA
Miami
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
MIA
Miami
21 Feb - 28 Feb
$134pp
MIA
Miami
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
   
2 STOPS
MIA
Miami
18 Feb - 4 Mar
$135pp
MIA
Miami
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
   
2 STOPS
MIA
Miami

Miami to Ontario 2021 flight deals

Cheap flights to Ontario from Miami found for this year
11 Feb - 15 Feb
$116pp
MIA
Miami
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
MIA
Miami
21 Feb - 28 Feb
$134pp
MIA
Miami
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
   
2 STOPS
MIA
Miami
18 Feb - 4 Mar
$135pp
MIA
Miami
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
   
2 STOPS
MIA
Miami

Non-stop flights to Ontario from Miami

Save time with Miami to Ontario direct flight deals
28 May - 31 May
$407pp
MIA
Miami
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
MIA
Miami

Last minute flights from Miami to Ontario

Late deals on round-trip flights to Ontario from Miami, departing today and this week
1 Feb - 4 Feb
$217pp
MIA
Miami
Delta
 
1 STOP
ONT
Ontario
ONT
Ontario
Delta
 
1 STOP
MIA
Miami

One-way flights to Ontario from Miami

The cheapest one-way flights from Miami to Ontario
2:30 am - 6:04 pm
Multiple Airlines
3 Stops
42h 34m
MIA - ONT
Multiple Airlines
$117
Kiwi.com
2:30 pm - 4:55 pm
Frontier
Nonstop
5h 25m
MIA - ONT
Frontier
2:00 am - 3:07 pm
United Airlines
3 Stops
16h 07m
MIA - ONT
United Airlines
$525
United

Related info for your journey

Useful info, stats and facts about Miami to Ontario flights.

Flight FAQs

From Miami to Ontario

Are flight prices decreasing from Miami to Ontario due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Miami and Ontario for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Miami to Ontario to control the spread of COVID-19?

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. New policies for travelers booking flights from Miami to Ontario include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from Miami to Ontario have flexible cancellations due to COVID-19?

Some of our airline partners flying from Miami to Ontario have new flexible policies in place due to COVID-19. American Airlines, Delta, and Frontier are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

Can I find flights from Miami to Ontario for under $200 on Cheapflights?

Yes, there are multiple flights from Miami to Ontario for under $200. The cheapest flight booked recently is on Frontier for just $116, but on average you can expect to pay $169.

Are there nonstop flights from Miami to Ontario for under $500 on Cheapflights?

Cheapflights has at least 1 direct flight from Miami to Ontario under $500. A good price for a nonstop flight from Miami to Ontario is less than $407.

Are there last-minute flights available from Miami to Ontario for under $300?

There are currently 1+ open flights from Miami to Ontario within the next 7 days for less than $300.

How popular is this flight route?

This flight path from Miami to Ontario was viewed by 327 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Does it rain more in Miami or Ontario?

Miami will have the same amount of rainfall in 1 compared to Ontario over the next 11 days.

Is Miami weather warmer or cooler than Ontario?

You can imagine temperatures to be in the 95 °F range in July. The weather in Ontario is generally hotter than Miami's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.

How long is the flight from Miami to Ontario?

There are many flights that can get you from Miami to Ontario in 5h 25m. Fly via Frontier, American Airlines, or Delta to get the fastest option. Both multi-stop and nonstop flights can be found to your destination and back.

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

According to our current data, Frontier ($116), Delta ($217), and American Airlines ($220) offers the cheapest pricing from Miami to Ontario. You may be able to fly from Miami to Ontario for 59% less than the average price by searching for these airlines.

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

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $50. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Miami to Ontario for a low price.

Alternative routes for Miami to Ontario

Destination information for Ontario

Things to know before you go. Useful info for your trip from Miami to Ontario

Airports servicing Miami

Airports servicing Ontario

Top 4 airlines flying from Miami to Ontario

The chart below displays the airlines Cheapflights users traveling from Miami to Ontario choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$97 $207 No cancel fee 62%
United Airlines
$120 $262 No cancel fee 69%
Delta
$137 $283 No cancel fee N/A
American Airlines
$160 $402 No cancel fee 71%
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