Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

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

How to find the cheapest flight from Ontario (ONT) to Miami (MIA)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Ontario (ONT) to Miami (MIA)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Ontario (ONT) to Miami (MIA)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Ontario to Miami in May , June 2026

29 May - 07 Jun $ 467.00
ONT
Ontario
United Airlines
1 STOPS
MIA
Miami
MIA
Miami
United Airlines
1 STOPS
ONT
Ontario
Pick dates
25 May - 10 Jun $ 1,127.00
ONT
Ontario
Alaska Airlines
1 STOPS
MIA
Miami
MIA
Miami
Alaska Airlines
1 STOPS
ONT
Ontario
Pick dates
25 May - 11 Jun $ 1,277.00
ONT
Ontario
Alaska Airlines
1 STOPS
MIA
Miami
MIA
Miami
Alaska Airlines
1 STOPS
ONT
Ontario
Pick dates

Last minute flights from Ontario to Miami

27 May - 31 May $ 628.00
ONT
Ontario
United Airlines
1 STOPS
MIA
Miami
MIA
Miami
United Airlines
1 STOPS
ONT
Ontario
Pick dates
24 May - 31 May $ 628.00
ONT
Ontario
United Airlines
1 STOPS
MIA
Miami
MIA
Miami
United Airlines
1 STOPS
ONT
Ontario
Pick dates
21 May - 31 May $ 1,169.00
ONT
Ontario
United Airlines
1 STOPS
MIA
Miami
MIA
Miami
United Airlines
1 STOPS
ONT
Ontario
Pick dates

One-way flights to Miami from Ontario

6:30 PM - 11:59 PM
United Airlines
1 Stops
8h 27m
ONT - MIA
$ 233
Kiwi
Pick dates
6:39 PM - 10:54 PM
United Airlines
1 Stops
10h
ONT - MIA
$ 242
Kiwi
Pick dates
6:00 AM - 12:08 PM
United Airlines
1 Stops
6h 46m
ONT - MIA
$ 334
Kiwi
Pick dates

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

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Ontario (ONT) to Miami (MIA)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Ontario (ONT) to Miami (MIA)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.