£124 Cheap Flights from Miami (MIA) to Ontario (ONT)

View £124 flight on Tue, 26 Aug 2025Opens in a new window

Popular airlines from Miami International Airport (MIA) to Los Angeles - Ontario Intl. Airport (ONT)

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Cheap Flights from Miami (MIA) to Ontario (ONT)

Prices were available within the past 7 days and start at £124 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Miami (MIA) to Ontario (ONT)

November is typically the cheapest month to fly

From £103 - £440 per traveller.

Graph displaying average flight prices per month

Flight from Miami to Ontario route information
Origin airport
Miami Intl.
Destination airport
Los Angeles - Ontario Intl.
Distance
3667 km

Compare flights from Miami to Ontario easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Miami to Ontario. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Los Angeles - Ontario Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Miami Intl. to Los Angeles - Ontario Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Miami Intl. (MIA) to Los Angeles - Ontario Intl. (ONT)

The easiest way to view the best deals on flights from Miami to Ontario today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Miami Intl. to Los Angeles - Ontario Intl. start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Miami and Ontario
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Miami to Ontario flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Miami Intl. to Los Angeles - Ontario Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from MIA to Ontario Airport?
Pack your bags, because round-trip flights from MIA to Los Angeles - Ontario Intl. Airport (ONT) start from . That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can increase quickly, so book today to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from MIA to Ontario Airport?
Most flights can be conveniently cancelled online, but whether or not you are charged a fee differs between airlines. If you do need to cancel your trip, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Miami Airport to Los Angeles - Ontario Intl. Airport (ONT) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Miami Intl. Airport (MIA) to Los Angeles - Ontario Intl. Airport (ONT) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from MIA to Ontario Airport?
The flight distance from Miami Airport to Ontario Airport is 3,700 kilometres. Bring a drink, a few snacks and something to read. Keep yourself entertained and the hours will fly by.
Which airlines fly direct from Miami Intl. Airport (MIA) to Ontario Airport?
There are no direct flights, so you'll need to make at least one stop between MIA and Los Angeles - Ontario Intl. Airport (ONT). Make the most of the layover time to stretch your legs and enjoy some personal space.
Are Miami Intl. Airport (MIA) to ONT flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from Miami Airport to Los Angeles - Ontario Intl. Airport (ONT) can be hit-or-miss. It is possible to score a bargain, but you could also miss out completely! If you'd prefer to start planning early on, Expedia compares flight deals up to a year in advance. Just bear in mind that not all airlines advertise their prices so far in advance. Our advice? Check back often as prices are updated regularly.

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Ontario Airports

Los Angeles

Miami to Los Angeles Intl.
£289.00
*Available to Expedia members.