Cheap Flight Tickets from Miami (MIA) to Ontario (ONT), Starting at $243

Good to Know: Cheapest and Fastest MIA - ONT Flights

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

Cheapest Round Trip Flight

$528

WN Southwest Airlines • 2 stops • 18h 35m

Dec 01 – Jan 03

The cheapest round trip flight from Miami to Ontario (MIA-ONT-MIA) is currently $528

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Cheapest Direct Flight

$342

DL Delta Airlines • nonstop •

Sep 04

The cheapest nonstop flight from Miami to Ontario (MIA-ONT) is currently $342

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Fastest Flight

12h 2m

The fastest nonstop flight from Miami to Ontario (MIA-ONT) takes 12h 2m

Top Airlines Flying from Miami to Ontario

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

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

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

Dec 01 - Jan 03, Economy
WN
Miami → Ontario
18h 35m
9:25 AM - 5:40 PM • 2 stops
WN
Miami → Ontario
20h 25m
11:10 PM - 2:35 PM • 1 stop
$528
Southwest Airlines
Dec 01 - Jan 03, Economy
WN
Miami → Ontario
13h 55m
12:40 PM - 6:15 PM • 1 stop
WN
Miami → Ontario
25h 30m
9:25 PM - 3:55 PM • 2 stops
$577
Southwest Airlines
Dec 01 - Jan 03, Economy
WN
Miami → Ontario
15h 45m
9:25 AM - 4:10 PM • 2 stops
WN
Miami → Ontario
25h 30m
9:25 PM - 3:55 PM • 2 stops
$582
Southwest Airlines
Dec 01 - Jan 03, Economy
AA
Miami → Ontario
14h 14m
5:26 PM - 11:20 PM • 1 stop
AA
Miami → Ontario
8h 29m
10:24 AM - 6:33 PM • nonstop
$729
American Airlines
Dec 01 - Jan 03, Economy
AA
Miami → Ontario
17h 20m
3:40 PM - 11:20 PM • 1 stop
AA
Miami → Ontario
8h 29m
10:24 AM - 6:33 PM • nonstop
$729
American Airlines
Dec 01 - Jan 03, Economy
AA
Miami → Ontario
14h 14m
5:26 PM - 11:20 PM • 1 stop
AA
Miami → Ontario
11h 53m
11:50 PM - 10:03 AM • 1 stop
$739
American Airlines

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

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

FAQs on Miami to Ontario Flights

What are the airports in Miami?
MIA
What’s the most popular airline flying from MIA to ONT?
The most popular airline flying from Miami to Ontario are
Can I fly from MIA to ONT non-stop?
Yes, you can fly MIA to ONT non-stop on
Which airlines fly nonstop between Miami and Ontario?
The non-stop flights between Miami and Ontario are .
What’s the earliest departure time from MIA to ONT Airport?
The earliest flight leaves MIA at 6:00 am and lands in ONT - Ontario International
What are the airports in Ontario?
ONT
Can I make changes to my Miami to Ontario 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 MIA to ONT?
Read the fare rules of the Miami to Ontario 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 Miami and Ontario?
operate flights between Miami and Ontario
How long does a flight from Miami to Ontario take?
It takes approximately 5 hour to fly non-stop from MIA to ONT, which is 2296.17 miles by air.
Which airlines provide the cheapest flights from Miami (MIA) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from MIA were found on WN : USD 528
Do I need a passport to fly between MIA and ONT?
No
What’s the latest departure time from MIA to ONT ?
The last flight leaves MIA at 8:0900 pm

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

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

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