Find Cheap Flights from Miami to Ontario (MIA - LAX)

Flights overview

Useful information for finding cheap flights from Miami to Ontario and booking your next trip

Cheapest round-trip flights	$230	Frontier 1 stop 8 hr Thu, Jul 23 — Wed, Jul 29	The cheapest round-trip flight from Miami to Ontario is currently $230
Cheapest one-way flight	$111	Frontier 1 stop 21 hr Wed, Jul 29	The cheapest one-way flight from Miami to Ontario is currently $111
Last-minute weekend getaway	$370	Frontier 1 stop 21 hr Sat, May 9 — Sun, May 10	The cheapest last-minute weekend getaway from Miami to Ontario is currently $370
Cheapest business class flights	$488	Frontier 1 stop 21 hr Mon, Jul 27 — Tue, Aug 4	The cheapest business class round-trip flight from Miami to Ontario is currently $488

Fastest flight	6 hr 30 min	The fastest flight with stops from Miami to Ontario takes 6 hr 30 min
Nonstop flights	None	There are no direct flights on this route.

When is the cheapest time to fly?

The cheapest month to fly from Miami to Ontario is typically September. The most expensive month to fly is typically March.

September Cheapest	Typical prices: $160–300
March Most expensive	Typical prices: $265–425

Popular airlines from Miami to Ontario

American

from $378

Typical price: $315–480

1443 weekly connecting flights

FLL, MIA - ONT Every day
Southwest

from $357

Typical price: $325–490

936 weekly connecting flights

FLL, MIA - ONT Every day
Delta

from $342

Typical price: $325–670

429 weekly connecting flights

FLL, MIA - ONT Every day
United

from $392

Typical price: $325–530

232 weekly connecting flights

FLL, MIA - ONT Every day
Frontier

from $230

Typical price: $205–450

60 weekly connecting flights

FLL, MIA - ONT Every day
Alaska

from $485

Typical price: $435–930

45 weekly connecting flights

FLL, MIA - ONT Every day

Popular airports near Miami

Miami International Airport (MIA)

Miami United States 23 min 6 mi
Fort Lauderdale-Hollywood International Airport (FLL)

Fort Lauderdale United States 36 min 21 mi
Palm Beach International Airport (PBI)

West Palm Beach United States 1 hr 10 min 63 mi
Southwest Florida International Airport (RSW)

Fort Myers United States 2 hr 17 min 111 mi

Popular airports near Ontario

Ontario International Airport (ONT)

Ontario United States 11 min 2 mi
Los Angeles International Airport (LAX)

Los Angeles United States 1 hr 7 min 44 mi
Tijuana International Airport (TIJ)

Tijuana Mexico 2 hr 16 min 112 mi
San Diego International Airport (SAN)

San Diego United States 1 hr 50 min 95 mi

Frequently asked questions about flying from Miami to Ontario

The cheapest flights from Miami to Ontario are usually in September. Typical ticket prices in September range from $160 to $300.

The cheapest round-trip flight from Miami to Ontario recently found on Google Flights was with Frontier from $230. The cheapest one-way flight was with Frontier from $111.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest American flight from Miami to Ontario is $378, flying from May 23 to May 30.
The cheapest Southwest flight from Miami to Ontario is $357, flying from Jul 30 to Aug 6.
The cheapest Delta flight from Miami to Ontario is $342, flying from Jul 30 to Aug 5.
The cheapest United flight from Miami to Ontario is $392, flying from Jul 30 to Aug 5.
The cheapest Frontier flight from Miami to Ontario is $230, flying from Jul 23 to Jul 29.
The cheapest Alaska flight from Miami to Ontario is $485, flying from May 28 to Jun 3.

The cheapest round-trip flight from Miami to Ontario starts at $230 from Thu, Jul 23 to Wed, Jul 29. The cheapest one-way flight starts at $111 and departs on Wed, Jul 29.

6 hr 30 min is the shortest flight time from Miami to Ontario.

Ontario is a year-round destination, with mild to warm weather for much of the year. Summers (Jun–Aug) tend to be hot, while winters (Dec–Feb) are typically mild. There is a slightly higher chance of rain Jan–Apr. The Road to California (Jan) is a quilt show featuring quilting competitions, classes and exhibits. The city celebrates Independence Day (Jul 4) with a parade, picnic and fireworks display. The Route 66 Cruisin' Reunion (Sep) attracts vintage cars from around the country.

It's easy to use Google Flights to find the cheapest days to fly from Miami to Ontario.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Miami to Ontario really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Miami to Ontario.

In terms of flights, American is the most popular. American offers 1,443 connecting flights per week. American flies from Fort Lauderdale-Hollywood International Airport (FLL) , Miami International Airport (MIA) to Ontario International Airport (ONT) .

Other popular airlines flying from Miami to Ontario are:

Southwest offers 936 connecting flights per week. Southwest flies from Fort Lauderdale-Hollywood International Airport (FLL) , Miami International Airport (MIA) to Ontario International Airport (ONT) .
Delta offers 429 connecting flights per week. Delta flies from Fort Lauderdale-Hollywood International Airport (FLL) , Miami International Airport (MIA) to Ontario International Airport (ONT) .
United offers 232 connecting flights per week. United flies from Fort Lauderdale-Hollywood International Airport (FLL) , Miami International Airport (MIA) to Ontario International Airport (ONT) .
Frontier offers 60 connecting flights per week. Frontier flies from Fort Lauderdale-Hollywood International Airport (FLL) , Miami International Airport (MIA) to Ontario International Airport (ONT) .
Alaska offers 45 connecting flights per week. Alaska flies from Fort Lauderdale-Hollywood International Airport (FLL) , Miami International Airport (MIA) to Ontario International Airport (ONT) .

The number of connecting flights refers to distinct flights with at least one stop between Miami and Ontario.

The cheapest round-trip flight from Miami to Ontario recently found on Google Flights was with Frontier from $230. The cheapest one-way flight was with Frontier from $111.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest American flight from Miami to Ontario is $378, flying from May 23 to May 30.
The cheapest Southwest flight from Miami to Ontario is $357, flying from Jul 30 to Aug 6.
The cheapest Delta flight from Miami to Ontario is $342, flying from Jul 30 to Aug 5.
The cheapest United flight from Miami to Ontario is $392, flying from Jul 30 to Aug 5.
The cheapest Frontier flight from Miami to Ontario is $230, flying from Jul 23 to Jul 29.
The cheapest Alaska flight from Miami to Ontario is $485, flying from May 28 to Jun 3.

No airline flies direct from Miami to Ontario.

There are 1443 American connecting flights from Miami to Ontario per week. Flights are available every day.
There are 936 Southwest connecting flights from Miami to Ontario per week. Flights are available every day.
There are 429 Delta connecting flights from Miami to Ontario per week. Flights are available every day.
There are 232 United connecting flights from Miami to Ontario per week. Flights are available every day.
There are 60 Frontier connecting flights from Miami to Ontario per week. Flights are available every day.
There are 45 Alaska connecting flights from Miami to Ontario per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Miami and Ontario at price $370 is offered by Frontier from Sat, May 9 to Sun, May 10.

No airline flies direct from Miami to Ontario.

There are 1443 American connecting flights from Miami to Ontario per week. Flights are available every day.
There are 936 Southwest connecting flights from Miami to Ontario per week. Flights are available every day.
There are 429 Delta connecting flights from Miami to Ontario per week. Flights are available every day.
There are 232 United connecting flights from Miami to Ontario per week. Flights are available every day.
There are 60 Frontier connecting flights from Miami to Ontario per week. Flights are available every day.
There are 45 Alaska connecting flights from Miami to Ontario per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are no direct flights from Miami to Ontario.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Miami to Ontario, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Miami and Ontario start at $488 from Mon, Jul 27 to Tue, Aug 4 with Frontier.

The cheapest economy class round-trip flights between Miami and Ontario start at $230 from Thu, Jul 23 to Wed, Jul 29.

To book business class trips from Miami to Ontario, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Miami and Ontario starts at $370 from Sat, May 9 to Sun, May 10 with Frontier.

The cheapest last-minute deal between Miami and Ontario at price $370 is offered by Frontier from Sat, May 9 to Sun, May 10.

To find last-minute flight deals from Miami to Ontario, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.