Flights from Ontario to Miami

Our cheapest offers for flights from Ontario to Miami

Here you can compare cheap flights from Ontario (ONT) to Miami (MIA) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Miami. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Ontario
Miami
Outbound
07/07/26
1 Stopover (ATL)
DL0665, DL1234
07h 48min
Return
-
Delta Air Lines ?
$186
Best option
Ontario
Miami
Outbound
04/03/26
1 Stopover (IAH)
UA1936, UA2863
09h 32min
Return
04/16/26
1 Stopover (ORD)
UA1819, UA0658
11h 21min
United Airlines ?
$500
Ontario
Miami
Outbound
04/03/26
1 Stopover (IAH)
UA1936, UA2863
09h 32min
Return
04/16/26
1 Stopover (ORD)
UA2106, UA0658
09h 16min
United Airlines ?
$524
Ontario
Miami
Outbound
04/03/26
1 Stopover (DFW)
AA2277, AA2404
06h 54min
Return
04/16/26
1 Stopover (DFW)
AA2828, AA0711
08h 25min
American Airlines ?
$602
Ontario
Miami
Outbound
04/03/26
1 Stopover (DEN)
F91500, F91280
20h 19min
Return
04/16/26
2 Stopovers (MEX, GDL)
Y40791, Y40148, Y41862
29h 11min
Frontier Airlines ?
$808
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Ontario to Miami

Favorite airline: Frontier Airlines
Most travelers looking for flights on the route from Ontario to Miami decide to book flights with Frontier Airlines.
Frontier Airlines
82 %
United Airlines
13 %
Delta
2 %
Cheapest weekday: Tuesday
Flight tickets are cheapest on Tuesday. Flights on these weekdays cost up to 32 % less.
Favourite connection: via Denver
On this route, flights with a stopover in Denver are the most popular.
Route
bookings
1 stopover Denver International Airport, CO
29h 54min, from $211
50 %
1 stopover Dallas-Fort Worth International Airport, T
13h 40min, from $322
36 %
1 stopover Houston - George Bush Intercontinental Airport, TX
08h 45min, from $404
11 %

Important flight information

Flight information: Ontario - Miami

Cheapest outbound flight from $185.59
Roundtrip from $500.00
Distance 3693 km
Departure airport Airport Ontario-CA (ONT)
Arrival airport Airport Miami International Airport, FL (MIA)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Miami
Flight destinations with a similar price