Miami to Ontario

MIAONT

Fly from Miami to Ontario starting at USD 113 with Frontier Airlines.Best fare available on May 24, 2026.Limited seats. Better plans. Book before it's gone.

Miami to Ontario cheapest flights this week

24 May
Frontier Airlines
09:15MIA
10:08ONT
1 Stop$113VIEW DEAL
25 May
Frontier Airlines
09:15MIA
10:35ONT
1 Stop$131VIEW DEAL
13 Jun
Frontier Airlines
06:50MIA
19:48ONT
1 Stop$125VIEW DEAL
23 Jun
Frontier Airlines
06:00MIA
02:49ONT
1 Stop$116VIEW DEAL
5 Jul
Frontier Airlines
09:35MIA
20:52ONT
1 Stop$230VIEW DEAL
23 Jul
Frontier Airlines
06:00MIA
19:48ONT
1 Stop$139VIEW DEAL
28 Jul
Frontier Airlines
20:18MIA
18:09ONT
1 Stop$119VIEW DEAL

Miami to Ontario monthly flight fare trend

May
from USD 86
Jun
from USD 116
Jul
from USD 119
Aug
No flights
Sep
No flights
Oct
No flights

Airport Details

Origin

Miami

Miami International Airport (MIA)

Miami, MIA
Zone

New York

Elev

8 ft

Destination

Ontario

Ontario International Airport (ONT)

Ontario, ONT
Zone

Los Angeles

Elev

944 ft

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