Cheap Flight Tickets from Miami (MIA) to Ontario (ONT), Starting at $427

Good to Know: Cheapest and Fastest MIA - ONT Flights

Useful information for finding best airline tickets from Miami International to Ontario International on your next trip.

Cheapest Round Trip Flight

$427

F9 Frontier Airlines • 1 stop • 20h 48m

Aug 10 – Aug 15

The cheapest round trip flight from Miami to Ontario (MIA-ONT-MIA) is currently $427

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Fastest Flight

13h 22m

The fastest nonstop flight from Miami to Ontario (MIA-ONT) takes 13h 22m

Top Airlines Flying from Miami to Ontario

United Airlines, UA

United Airlines

Latest Flight Deals from Miami (MIA) to Ontario (ONT)

Compare and book low fare round-trip air tickets from Miami to Ontario. Ideal for travelers with confirmed return itineraries.

Aug 10 - Aug 15, Economy
F9
Miami → Ontario
20h 48m
10:15 PM - 8:03 AM • 1 stop
F9
Miami → Ontario
18h 41m
4:09 PM - 6:30 AM • 1 stop
$427
Frontier Airlines
Aug 10 - Aug 15, Economy
UA
Miami → Ontario
13h 22m
4:53 PM - 9:55 PM • 1 stop
UA
Miami → Ontario
15h 24m
10:10 AM - 10:34 PM • 1 stop
$596
United Airlines

Fly from Miami to Ontario with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Miami to Ontario? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Miami to Ontario Flights

What are the airports in Miami?
MIA
What’s the most popular airline flying from MIA to ONT?
The most popular airline flying from Miami to Ontario are
Can I fly from MIA to ONT non-stop?
NO
Which airlines fly nonstop between Miami and Ontario?
The non-stop flights between Miami and Ontario are .
What’s the earliest departure time from MIA to ONT Airport?
The earliest flight leaves MIA at 4:53 pm and lands in ONT - Ontario International
What are the airports in Ontario?
ONT
Can I make changes to my Miami to Ontario flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from MIA to ONT?
Read the fare rules of the Miami to Ontario air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Miami and Ontario?
operate flights between Miami and Ontario
How long does a flight from Miami to Ontario take?
It takes approximately 5 hour to fly non-stop from MIA to ONT, which is 2296.17 miles by air.
Which airlines provide the cheapest flights from Miami (MIA) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from MIA were found on F9 : USD 427
Do I need a passport to fly between MIA and ONT?
No
What’s the latest departure time from MIA to ONT ?
The last flight leaves MIA at 10:15 pm

Miami (MIA) to Ontario (ONT): Airport Information

Origin Airport Miami International , Miami, US
Destination Airport Ontario International , Ontario, US
Distance 2296 miles

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