Cheap Flights from Ontario, CA to Miami, FL from $73

On Cheapflightsplus.com you will find 217 connecting flights from Ontario to Miami. You can compare airfare deals from 5 airlines and multiple travel sites from $73, book and save on cheap plane tickets and last minute offers. Also check out ONT-MIA flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Ontario to Miami Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $73 (one-way), $125 (round-trip).
Direct flights
  • Check to choose departure date Check to choose departure date
Check prices for return flight
Find flights
Full flight schedule will help you in detecting at what time planes fly from Ontario to Miami. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
05:10 — 19:53
05:10 — 08:29 UA2317 United Airlines
Ontario — Denver
5h 26m stop
13:55 — 19:53 UA736 United Airlines
Denver — Miami
11h 43m
including layover
Find flight
from$287
05:45 — 20:43
05:45 — 09:11 F91500 Frontier Airlines
Ontario — Denver
5h 35m stop
14:46 — 20:43 F91280 Frontier Airlines
Denver — Miami
11h 58m
including layover
Find flight
from$98
06:10 — 15:28
06:10 — 11:10 UA722 United Airlines
Ontario — Houston
45m stop
12:10 — 15:43 UA2105 United Airlines
Houston — Miami
6h 18m
including layover
Find flight
from$316
06:15 — 17:13
06:00 — 07:26 UA277 United Airlines
Ontario — San Francisco
49m stop
08:25 — 17:04 UA410 United Airlines
San Francisco — Miami
7h 58m
including layover
Find flight
from$316
07:00 — 18:47
07:00 — 09:33 AS1058 Alaska Airlines
Ontario — Portland
34m stop
09:23 — 18:15 AS441 Alaska Airlines
Portland — Miami
8h 47m
including layover
Find flight
from$231
07:45 — 23:23
07:45 — 11:03 F91262 Frontier Airlines
Ontario — Denver
6h 27m stop
17:30 — 23:23 F91520 Frontier Airlines
Denver — Miami
12h 38m
including layover
Find flight
from$98
10:20 — 22:07
06:30 — 11:32 F91406 Frontier Airlines
Ontario — Dallas
2h 45m stop
18:43 — 22:45 F92676 Frontier Airlines
Dallas — Miami
8h 47m
including layover
Find flight
from$214
10:39 — 01:52
+1 day
10:55 — 14:18 F91262 Frontier Airlines
Ontario — Denver
6h 4m stop
10:13 — 16:10 F91280 Frontier Airlines
Denver — Miami
12h 13m
including layover
Find flight
from$73
11:14 — 18:15
+1 day
11:14 — 13:38 AS3312 Alaska Airlines
Ontario — Portland
19h 45m stop
09:23 — 18:15 AS441 Alaska Airlines
Portland — Miami
28h 1m
including layover
Find flight
from$208
11:16 — 17:55
+1 day
11:16 — 13:47 AS2120 Alaska Airlines
Ontario — Portland
19h 26m stop
09:13 — 17:55 AS1133 Alaska Airlines
Portland — Miami
27h 39m
including layover
Find flight
from$437
13:45 — 19:53
+1 day
13:45 — 17:04 UA2278 United Airlines
Ontario — Denver
20h 51m stop
13:55 — 19:53 UA736 United Airlines
Denver — Miami
27h 8m
including layover
Find flight
from$312
13:45 — 23:44
13:45 — 17:04 UA2278 United Airlines
Ontario — Denver
42m stop
17:46 — 23:44 UA2721 United Airlines
Denver — Miami
6h 59m
including layover
Find flight
from$317
15:15 — 07:32
+1 day
15:15 — 16:48 UA5645 United Airlines
Ontario — San Francisco
6h 7m stop
22:55 — 07:32 UA1572 United Airlines
San Francisco — Miami
13h 17m
including layover
Find flight
from$341
15:15 — 16:06
+1 day
15:15 — 16:48 UA5645 United Airlines
Ontario — San Francisco
14h 42m stop
07:30 — 16:06 UA410 United Airlines
San Francisco — Miami
21h 51m
including layover
Find flight
from$341
16:15 — 16:10
+1 day
16:15 — 19:00 AS1099 Alaska Airlines
Ontario — Seattle
12h 25m stop
07:25 — 16:10 AS305 Alaska Airlines
Seattle — Miami
20h 55m
including layover
Find flight
from$576
16:20 — 16:50
+1 day
14:19 — 17:08 AS1119 Alaska Airlines
Ontario — Seattle
12h 45m stop
07:25 — 16:10 AS305 Alaska Airlines
Seattle — Miami
21h 30m
including layover
Find flight
from$261
17:44 — 18:47
+1 day
17:44 — 20:08 AS2202 Alaska Airlines
Ontario — Portland
13h 52m stop
10:00 — 18:47 AS441 Alaska Airlines
Portland — Miami
22h 3m
including layover
Find flight
from$370
18:28 — 16:06
+1 day
18:28 — 20:01 UA5429 United Airlines
Ontario — San Francisco
11h 29m stop
07:30 — 16:06 UA410 United Airlines
San Francisco — Miami
18h 38m
including layover
Find flight
from$341
18:39 — 18:15
+1 day
18:39 — 21:05 AS3498 Alaska Airlines
Ontario — Portland
12h 18m stop
09:23 — 18:15 AS441 Alaska Airlines
Portland — Miami
20h 36m
including layover
Find flight
from$302
19:14 — 16:50
+1 day
18:30 — 21:15 AS1399 Alaska Airlines
Ontario — Seattle
9h 55m stop
07:25 — 16:10 AS305 Alaska Airlines
Seattle — Miami
18h 36m
including layover
Find flight
from$388
19:15 — 07:22
+1 day
19:15 — 20:44 UA1757 United Airlines
Ontario — San Francisco
2h 9m stop
22:53 — 07:22 UA1369 United Airlines
San Francisco — Miami
9h 7m
including layover
Find flight
from$378
20:11 — 01:54
+2 days
20:11 — 23:33 F91500 Frontier Airlines
Ontario — Denver
20h 28m stop
20:01 — 01:54 F91520 Frontier Airlines
Denver — Miami
26h 43m
including layover
Find flight
from$97
20:27 — 00:41
+2 days
18:34 — 21:53 F92908 Frontier Airlines
Ontario — Denver
18h 37m stop
20:01 — 01:52 F91280 Frontier Airlines
Denver — Miami
25h 14m
including layover
Find flight
from$170
*Departure and arrival times - local. Updated on March 13, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Ontario to Miami depends on and how to choose the most interesting flight option for you.

Distance between Ontario and Miami is 3689 miles. Time difference between the cities is 3h. Airplanes depart 00:58 to 22:30 from 2 Ontario airports and arrive 00:58 to 22:30 to 3 Miami airports. Average flight time is 17h 57m.

  • The fastest flight 6h 18m
  • Average flight time 17h 57m
  • The earliest flight 00:58
  • The latest flight 22:30
  • Distance 2293 ml

The cheapest months to travel to Miami are november (from 73 $), january (from 97 $), december (from 98 $).

The most expensive months are february (from 209 $), december (from 98 $), january (from 97 $).

What is the lowest airfare Ontario to Miami?

The cheapest plane ticket found by our users is $73. This airfare is for economy class on one-way F91262 flight by Frontier Airlines for December 13, 2024 which leaves Ontario Int. in Ontario at 10:39 am and arrives at Miami Miami Intl at 01:52.

Economy class
$73
Find
Business class
?
Find
First class
?
Find

Popular Airlines on the Route

The flight Ontario — Miami is served by 5 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 83 departures per week at the price of from $ 208 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 2812.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 217 flights with layovers on the route. The fastest connecting flight is UA722 by United Airlines takes 6h 18m and the cheapest is F91262 by Frontier Airlines for $73.

  • AS - Alaska Airlines
    from $208
    Find
  • F9 - Frontier Airlines
    from $73
    Find
  • AV - Avianca
    from $1115
    Find
  • Y4 - Volaris
    from $397
    Find
  • UA - United Airlines
    from $287
    Find
See more connecting flights

Airports

You can fly from Ontario to Miami from 2 airports (Ontario Int., International Heliport).

Ontario airports

  • Ontario Int.-ONT
    from $73
    Find
  • International Heliport-JIO
    Find

Miami airports

  • Miami Intl-MIA
    Find
  • Palm Beach Intl-PBI
    Find
  • Miami Int.-FLL
    Find

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

Back