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Home / Miami — Ontario

Cheap flights Miami — Ontario

Miami (MIA, US) Ontario (ONT, US)
from $130 3 703 km ~4h 51m 5 flights found 1 airlines cheapest on Thursday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $130 on 24.12.2026
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
Mo
Tu
We
Th
Fr
Sa
Su
December 2026
Mo
Tu
We
Th
Fr
Sa
Su
January 2027
Mo
Tu
We
Th
Fr
Sa
Su
Prices found for 7 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
24 Dec 2026, Thu
Frontier Airlines F9 1067
14:15
MIA Miami International Airport
22:14
ONT Ontario International Airport
7h 59m 2 stops
Flightnetwork
$130
View this ticket
08 Dec 2026, Tue
Frontier Airlines F9 2717
05:29
FLL Fort Lauderdale-Hollywood International Airport
13:36
ONT Ontario International Airport
8h 7m 2 stops
Kupi.com
$139
View this ticket
25 Nov 2026, Wed
Frontier Airlines F9 4551
05:52
MIA Miami International Airport
12:15
ONT Ontario International Airport
6h 23m 1 stop
Trip.com
$153
View this ticket
22 Jan 2027, Fri
Frontier Airlines F9 2135
19:34
MIA Miami International Airport
02:23
ONT Ontario International Airport
6h 49m 1 stop
Farera
$158
View this ticket
21 Nov 2026, Sat
Frontier Airlines F9 4551
05:52
MIA Miami International Airport
12:15
ONT Ontario International Airport
6h 23m 1 stop
City.Travel
$209
View this ticket
Route characteristics
Distance
3 703 km
Flight time
4h 51m
Time difference
-3h
Minimum price
from $130 (24.12.2026)
Average price
$162
Maximum price
$209
Cheapest day
Thursday
Departure airports (2)
FLL Fort Lauderdale-Hollywood International Airport MIA Miami International Airport
Arrival airports (1)
ONT Ontario International Airport
Airlines (1)
F9 Frontier Airlines
Agencies (5)
Flightnetwork Kupi.com Trip.com Farera City.Travel
Prices by day of week
Tuesday
$139
avg $139
Wednesday
$153
avg $153
Thursday
$130
avg $130
Cheapest
Friday
$158
avg $158
Saturday
$209
avg $209
Price trend by month
November 2026
from $153
avg $181
2 flights
December 2026
from $130
avg $135
2 flights
January 2027
from $158
avg $158
1 flights
Airlines — cheapest prices 1
Frontier Airlines
Frontier Airlines
Low-cost 5 flights · 5 days
$130
Where to buy tickets 5
Flightnetwork
1 tickets · 1 days
from $130
Kupi.com
1 tickets · 1 days
from $139
Trip.com
1 tickets · 1 days
from $153
Farera
1 tickets · 1 days
from $158
City.Travel
1 tickets · 1 days
from $209
Airports

From — Miami (2)

  • FLL Fort Lauderdale-Hollywood International Airport
  • MIA Miami International Airport

To — Ontario (1)

  • ONT Ontario International Airport
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MX
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CW
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HT
Barcelona
VE
Saint John's
AG
Atlanta
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Oranjestad
AW
Barcelona
ES · Hub
Bermuda
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Hartford
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Frequently asked questions about the route Miami — Ontario
How long is the flight from Miami to Ontario?
Approximate flight time — 4h 51m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from Miami to Ontario?
The straight-line distance — 3 703 km.
How much do flights from Miami to Ontario cost?
The minimum price over 3 months — from $130 on 24.12.2026.
What is the average ticket price?
The average price — $162. Range: $130 — $209.
What is the time difference between Miami and Ontario?
The difference — -3h.
From which airports does Miami operate flights?
From Miami: FLL (Fort Lauderdale-Hollywood International Airport), MIA (Miami International Airport).
To which airports in Ontario do flights arrive?
To Ontario: ONT (Ontario International Airport).
Which airlines fly this route?
This route is served by 1 airline: Frontier Airlines.
Which day of the week is cheapest?
The cheapest day of the week — Thursday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route Miami — Ontario

Flights Miami — Ontario is a popular route. The straight-line distance is 3 703 km. Flight time 4h 51m. Time difference -3h.

From Miami (MIA) flights depart from 2 airports: FLL, MIA. To Ontario (ONT) — 1 arrival airport: ONT.

1 airline operate on this route: Frontier Airlines.

The minimum price for the next 3 months — from $130 (24.12.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $162, ranging from $130 to $209. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Thursday.

Other destinations in United States from Miami
Atlanta
US
Hartford
US
Birmingham
US
Nashville
US
Boston
US
Baltimore
US
Charleston
US
Cleveland
US

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