Cheap Flight Tickets from Ontario (ONT) to Miami (MIA), Starting at $334

Good to Know: Cheapest and Fastest ONT - MIA Flights

Useful information for finding best airline tickets from Ontario International to Miami International on your next trip.

Cheapest Round Trip Flight

$425

DL Delta Airlines • 1 stop • 13h 35m

Jul 23 – Jul 27

The cheapest round trip flight from Ontario to Miami (ONT-MIA-ONT) is currently $425

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Cheapest One way Flight

$334

WN Southwest Airlines • 2 stops • 15h 10m

Jul 21

The cheapest one way flight from Ontario to Miami (ONT-MIA) is currently $334

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Cheapest Direct Flight

$427

DL Delta Airlines • nonstop • 8h 25m

Oct 28

The cheapest nonstop flight from Ontario to Miami (ONT-MIA) is currently $427

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Fastest Flight

7h 31m

The fastest nonstop flight from Ontario to Miami (ONT-MIA) takes 7h 31m

Top Airlines Flying from Ontario to Miami

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

Southwest Airlines-WN

Southwest Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

Avianca Airline - AV

Avianca

Sun Country Airlines (SY)

Sun Country Airlines

Latest Flight Deals from Ontario (ONT) to Miami (MIA)

Compare and book low fare round-trip air tickets from Ontario to Miami. Ideal for travelers with confirmed return itineraries.

Jul 23 - Jul 27, Economy
DL
Ontario → Miami
13h 35m
7:05 AM - 6:20 PM • 1 stop
DL
Ontario → Miami
8h 52m
7:17 PM - 9:49 PM • nonstop
$425
Delta Airlines
Jul 23 - Jul 27, Economy
DL
Ontario → Miami
15h 20m
7:05 AM - 7:25 PM • 1 stop
DL
Ontario → Miami
14h 10m
4:00 PM - 9:50 PM • 1 stop
$437
Delta Airlines
Jul 23 - Jul 27, Economy
DL
Ontario → Miami
16h 47m
11:48 AM - 12:55 AM • 1 stop
DL
Ontario → Miami
15h 25m
12:05 PM - 6:30 PM • 1 stop
$437
Delta Airlines
Jul 23 - Jul 27, Economy
DL
Ontario → Miami
13h 50m
10:00 PM - 9:30 AM • 1 stop
DL
Ontario → Miami
15h 25m
12:05 PM - 6:30 PM • 1 stop
$437
Delta Airlines
Jul 23 - Jul 27, Economy
DL
Ontario → Miami
15h 57m
10:00 PM - 10:57 AM • 1 stop
DL
Ontario → Miami
12h 18m
6:00 AM - 10:38 AM • 1 stop
$437
Delta Airlines
Jul 23 - Jul 27, Economy
F9
Ontario → Miami
19h 10m
3:40 PM - 6:30 AM • 1 stop
F9
Ontario → Miami
20h 48m
10:15 PM - 8:03 AM • 1 stop
$512
Frontier Airlines

Fly from Ontario to Miami with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Ontario to Miami? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Ontario to Miami Flights

What are the airports in Ontario?
ONT
What’s the most popular airline flying from ONT to MIA?
The most popular airline flying from Ontario to Miami are
Can I fly from ONT to MIA non-stop?
Yes, you can fly ONT to MIA non-stop on
Which airlines fly nonstop between Ontario and Miami?
The non-stop flights between Ontario and Miami are .
What’s the earliest departure time from ONT to MIA Airport?
The earliest flight leaves ONT at 5:15 am and lands in MIA - Miami International
What are the airports in Miami?
MIA
Can I make changes to my Ontario to Miami flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from ONT to MIA?
Read the fare rules of the Ontario to Miami air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Ontario and Miami?
operate flights between Ontario and Miami
How long does a flight from Ontario to Miami take?
It takes approximately 5 hour to fly non-stop from ONT to MIA, which is 2296.17 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to Miami (MIA) ?
In the past couple of days, the cheapest tickets to MIA from ONT were found on WN : USD 339
Do I need a passport to fly between ONT and MIA?
No
What’s the latest departure time from ONT to MIA ?
The last flight leaves ONT at 11:55 pm

Ontario (ONT) to Miami (MIA): Airport Information

Origin Airport Ontario International , Ontario, US
Destination Airport Miami International , Miami, US
Distance 2296 miles

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