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

View AU$213 flight on Mon, 24 Nov. 2025Opens in a new window

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

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

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

Delta
Wed, 24 Sep. - Fri, 3 Oct.
ONT
Ontario
MIA
Miami
AU$505 Return, found 4 days ago
AU$505
Return
found 4 days ago
Select Delta flight, departing Wed, 24 Sep. from Ontario to Miami, returning Fri, 3 Oct., priced at AU$505 found 4 days ago
American Airlines
Sat, 10 Jan. - Sat, 17 Jan.
ONT
Ontario
MIA
Miami
AU$520 Return, found 4 days ago
AU$520
Return
found 4 days ago
Select American Airlines flight, departing Sat, 10 Jan. from Ontario to Miami, returning Sat, 17 Jan., priced at AU$520 found 4 days ago
American Airlines
Sat, 10 Jan. - Sat, 17 Jan.
ONT
Ontario
MIA
Miami
AU$535 Return, found 4 days ago
AU$535
Return
found 4 days ago
Select American Airlines flight, departing Sat, 10 Jan. from Ontario to Miami, returning Sat, 17 Jan., priced at AU$535 found 4 days ago
American Airlines
Sat, 10 Jan. - Sat, 17 Jan.
ONT
Ontario
MIA
Miami
AU$574 Return, found 4 days ago
AU$574
Return
found 4 days ago
Select American Airlines flight, departing Sat, 10 Jan. from Ontario to Miami, returning Sat, 17 Jan., priced at AU$574 found 4 days ago
United
Tue, 9 Sep. - Tue, 16 Sep.
ONT
Ontario
MIA
Miami
AU$583 Return, found 5 days ago
AU$583
Return
found 5 days ago
Select United flight, departing Tue, 9 Sep. from Ontario to Miami, returning Tue, 16 Sep., priced at AU$583 found 5 days ago
American Airlines
Sat, 10 Jan. - Sat, 17 Jan.
ONT
Ontario
MIA
Miami
AU$589 Return, found 4 days ago
AU$589
Return
found 4 days ago
Select American Airlines flight, departing Sat, 10 Jan. from Ontario to Miami, returning Sat, 17 Jan., priced at AU$589 found 4 days ago
Delta
Sat, 10 Jan. - Sat, 17 Jan.
ONT
Ontario
MIA
Miami
AU$598 Return, found 4 days ago
AU$598
Return
found 4 days ago
Select Delta flight, departing Sat, 10 Jan. from Ontario to Miami, returning Sat, 17 Jan., priced at AU$598 found 4 days ago
Delta
Sun, 14 Dec. - Wed, 7 Jan.
ONT
Ontario
MIA
Miami
AU$601 Return, found 5 hours ago
AU$601
Return
found 5 hours ago
Select Delta flight, departing Sun, 14 Dec. from Ontario to Miami, returning Wed, 7 Jan., priced at AU$601 found 5 hours ago
Delta
Mon, 15 Sep. - Thu, 18 Sep.
ONT
Ontario
MIA
Miami
AU$618 Return, found 1 day ago
AU$618
Return
found 1 day ago
Select Delta flight, departing Mon, 15 Sep. from Ontario to Miami, returning Thu, 18 Sep., priced at AU$618 found 1 day ago
Alaska Airlines
Fri, 2 Jan. - Tue, 6 Jan.
ONT
Ontario
MIA
Miami
AU$735 Return, found 3 days ago
AU$735
Return
found 3 days ago
Select Alaska Airlines flight, departing Fri, 2 Jan. from Ontario to Miami, returning Tue, 6 Jan., priced at AU$735 found 3 days ago

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

February is typically the cheapest month to fly

From AU$243 - AU$687 per traveller.

Graph displaying average flight prices per month

Flight from Ontario to Miami route information
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Miami Intl.
Return price
AU$505
Distance
3667 km

Your quick guide to flights from Ontario to Miami

Pick up great flights from Ontario to Miami

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Ontario to Miami. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Ontario to Miami that take around hours.

Find cheap flights from Ontario to Miami

From the great flight deals with prices currently ranging from AU$505 to AU$735, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Ontario to Miami around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Miami is normally in September.

Reasons to book your flight from Ontario to Miami with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Ontario to Miami across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Miami right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from Los Angeles - Ontario Intl. Airport (ONT) to MIA?
The lowest price advertised for a round-trip flight from ONT to Miami Intl. Airport (MIA) is AU$505. But you better act fast. This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Los Angeles - Ontario Intl. Airport (ONT) to Miami Intl. Airport (MIA)?
Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from Ontario Airport to Miami Airport 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 ONT to Miami Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from ONT to MIA?
It's around 3 700 kilometres from ONT to MIA, so expect to be strapped into your seat for a while. Keep yourself occupied with things like your e-reader or a good old-fashioned book.
Which airlines fly direct from Ontario Airport to Miami Intl. Airport (MIA)?
Direct flights aren't available, so you'll need to make at least one stop between Ontario Airport and Miami Intl. Airport (MIA). Take advantage of the layover time to stretch your legs and enjoy some personal space.
Are Ontario Airport to Miami Intl. Airport (MIA) flight tickets cheaper when they're purchased at the last minute?
Flight prices from ONT to MIA are available up to a year before departure on Expedia. And although you may occasionally score fantastic last-minute deals, it's never something you can count on. Also, booking your flights ahead of time means you'll have more options — and you can avoid getting trapped in the dreaded middle seat! We regularly update our fares to bring you the best bargains, so keep checking in for all the latest specials.

Explore a world of travel with Expedia

Ontario Airports

Los Angeles

Los Angeles Intl. to Miami
AU$508.10

Orange County

John Wayne to Miami
AU$550.80

Burbank

*Available to Expedia members.