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Cheap Flights from Ontario International to Miami International

Compare Ontario International to Miami International flight deals

Find the cheapest month or even day of the year to fly to Miami International

Book the best Miami International fare with no extra fees

Flight deals from Ontario International to Miami International

Looking for a cheap last-minute deal or the best return flight from Ontario International Airport to Miami International Airport? If you want to travel next month, return fares start from R 4,981. Find the lowest prices on one-way and return tickets right here.
Miami.R 1,735 per passenger.Departing Mon, 17 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Mon, 17 Aug, arriving in Miami International.Price includes taxes and charges.From R 1,735, select.
Miami.R 1,978 per passenger.Departing Tue, 28 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Tue, 28 Jul, arriving in Miami International.Price includes taxes and charges.From R 1,978, select.
Miami.R 2,335 per passenger.Departing Wed, 14 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Wed, 14 Oct, arriving in Miami International.Price includes taxes and charges.From R 2,335, select.
Miami.R 2,462 per passenger.Departing Tue, 15 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Tue, 15 Sep, arriving in Miami International.Price includes taxes and charges.From R 2,462, select.
Miami.R 2,677 per passenger.Departing Tue, 2 Jun.One-way flight with United.Outbound indirect flight with United, departs from Ontario International on Tue, 2 Jun, arriving in Miami International.Price includes taxes and charges.From R 2,677, select.
Miami.R 2,765 per passenger.Departing Thu, 28 Jan.One-way flight with KLM.Outbound indirect flight with KLM, departs from Ontario International on Thu, 28 Jan, arriving in Miami International.Price includes taxes and charges.From R 2,765, select.
Miami.R 2,838 per passenger.Departing Mon, 5 Apr.One-way flight with KLM.Outbound indirect flight with KLM, departs from Ontario International on Mon, 5 Apr, arriving in Miami International.Price includes taxes and charges.From R 2,838, select.
Miami.R 2,887 per passenger.Departing Sun, 31 May.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Sun, 31 May, arriving in Miami International.Price includes taxes and charges.From R 2,887, select.
Miami.R 3,267 per passenger.Departing Tue, 17 Nov.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Tue, 17 Nov, arriving in Miami International.Price includes taxes and charges.From R 3,267, select.
Miami.R 3,268 per passenger.Departing Tue, 8 Dec.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Tue, 8 Dec, arriving in Miami International.Price includes taxes and charges.From R 3,268, select.
Miami.R 3,324 per passenger.Departing Tue, 25 Aug.One-way flight with Lufthansa.Outbound direct flight with Lufthansa departs from Ontario International on Tue, 25 Aug, arriving in Miami International.Price includes taxes and charges.From R 3,324, select.
Miami.R 20,352 per passenger.Departing Sat, 6 Mar.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Ontario International on Sat, 6 Mar, arriving in Miami International.Price includes taxes and charges.From R 20,352, select.

Find the cheapest month to fly from Ontario International to Miami International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ontario International to Miami International flights are currently cheapest in August.
May
from R 2,887
Jun
from R 2,677
Jul
from R 1,978
Aug
from R 1,735
Sep
from R 2,462
Oct
from R 2,335
Nov
from R 3,267
Dec
from R 3,268
Jan
from R 2,765
Feb
Find prices
Mar
from R 20,352
Apr
from R 2,838

Ontario International to Miami International: Alternative routes

Compare routes from Ontario International to Miami below. You may find an airport to fly into that's cheaper, faster, or easier than Miami International.

Miami International

9km from central Miami
ClosestCheapest
from R 1,735
Search flights

Miami Opa Locka

17km from central Miami
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Fort Lauderdale International

35km from central Miami
from R 1,952
Search flights

Fort Lauderdale Executive

48km from central Miami
Search flights

Boca Raton

69km from central Miami
Search flights

Ontario to Miami: Flight information

The things to know before you go.
Cheapest flight foundR 1,735
Cheapest month to flyAugust

Finding cheap flights from Ontario International to Miami International: Frequently asked questions

The best price we found for a return flight from Ontario International to Miami International is R 3,752. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Ontario International to Miami International. But we found flights with one or more stops from R 3,752.
As of May 2026, there are no flights flying from Ontario International to Miami International.
The cheapest month to fly from Ontario International to Miami International is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to Miami International Airport on Saturday, 11 July 2026.
No airlines currently offer direct flights between Ontario International Airport and Miami International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Miami International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Miami is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Miami International.

Flying from Ontario International Airport (ONT) to Miami International Airport (MIA): what you need to know

  • The timezone in Miami is UTC-4, which is three hours ahead of Ontario.

  • Leave plenty of time to make your ONT to MIA flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • You can expect bigger queues during popular months like August. Arriving up to four hours in advance for an international flight and two hours for domestic departures will help ensure a smooth travel experience.

  • If you'd like to break up your flight, just deselect 'Direct flights only' when searching for your ticket from Ontario International Airport to Miami International Airport. Here are the most popular stopovers between ONT and MIA:

    • Phoenix Sky Harbour International Airport

    • William P. Hobby Airport

    • Dallas/Fort Worth International Airport

How to find the cheapest flights from Ontario International Airport (ONT) to Miami International Airport (MIA)

  • The cheapest price we've seen for a one-way Ontario International Airport to Miami International Airport flight is R 1,735. A return ticket right now is R 3,752. Depending on the availability when you book, these fares may change.

  • To get your hands on cheap tickets from ONT to MIA, book in advance. Airlines tend to offer lower fares when flights are first released.

  • The 'Whole month' tool shows you the cheapest flights from Ontario International Airport to Miami International Airport across the entire month. It's an easy way to snap up a bargain if your travel dates aren't set in stone.

  • Landing cheap flights from ONT to MIA is a breeze with Price Alerts. Simply create one of these automatic alerts and we'll notify you as soon as a new deal comes up.

  • Tailor your trip using filters. Select your departure and arrival times, airlines and total journey duration. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from Ontario International Airport to Miami International Airport.

Handy information about Ontario International Airport (ONT)

  • ONT's address is 2900 E. Airport Drive.

  • Ontario International Airport maintains a strong on-time performance, reducing your chances of a delayed flight. Departures from ONT touch down on schedule 83.6% of the time.

  • Central Ontario to Ontario International Airport is around 6 kilometres. Depending on traffic, it'll take about 10 minutes to get there if you're driving, ride-sharing or catching a cab.

  • You can expect a journey time of roughly 1 hour 30 minutes when using public transport.

  • Get your break off to a leisurely start by staying near ONT. Whether you have an early flight from Ontario International Airport to Miami International Airport or want to avoid feeling rushed, these hotels are ideal:

Arriving at Miami International Airport (MIA)

Getting from Miami International Airport (MIA) to central Miami

  • MIA is located at 4200 N.W. 21 Street.

  • Miami International Airport to the centre of Miami has a drive time of about 20 minutes. It's approximately 16 kilometres away.

  • It'll take around 1 hour 20 minutes to get there by public transport.

When to fly to Miami International Airport (MIA)

  • It's time to pick your dates for your flight from Ontario International Airport to Miami International Airport. July is the most popular month to visit Miami. If you like a more low-key vibe, go in April.

  • When reserving your flight from Ontario International Airport to Miami International Airport, think about the kind of weather you like. August is the warmest month in Miami, with temperatures ranging from 26ºC (79ºF) to 32ºC (90ºF).

  • Look for cheap tickets from ONT to MIA in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 13ºC (55ºF) and 25ºC (77ºF) on average.

Explore more of United States

  • You've done Miami, now it's time to discover other corners of United States. Travel around 338 kilometres north-west to Tampa to tick off its leading attractions. From Ybor City Tattoo Company to Tampa Riverwalk and The Florida Aquarium, you've got a jam-packed schedule ahead.

  • If there's time to check out another great destination in United States, consider Orlando, roughly 338 kilometres north of Miami. Universal Orlando Resort, Universal's Islands of Adventure and Lake Eola Park are key reasons to visit.

Plan the rest of your trip from Ontario to Miami

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.