Skyscanner home

Cheap Flights from Orlando International to Ontario International

Compare Orlando International to Ontario International flight deals

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

Book the best Ontario International fare with no extra fees

Flight deals from Orlando International to Ontario International

Looking for a cheap last-minute deal or the best return flight from Orlando International Airport to Ontario International Airport? If you want to travel next month, return fares start from R 3,629. Find the lowest prices on one-way and return tickets right here.
Ontario.R 1,696 per passenger.Departing Sat, 15 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Orlando International on Sat, 15 Aug, arriving in Ontario International.Price includes taxes and charges.From R 1,696, select.
Ontario.R 1,743 per passenger.Departing Sat, 24 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Orlando International on Sat, 24 Oct, arriving in Ontario International.Price includes taxes and charges.From R 1,743, select.
Ontario.R 1,992 per passenger.Departing Tue, 1 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Orlando International on Tue, 1 Sep, arriving in Ontario International.Price includes taxes and charges.From R 1,992, select.
Ontario.R 2,088 per passenger.Departing Sat, 14 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Orlando International on Sat, 14 Nov, arriving in Ontario International.Price includes taxes and charges.From R 2,088, select.
Ontario.R 2,885 per passenger.Departing Wed, 3 Mar.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Orlando International on Wed, 3 Mar, arriving in Ontario International.Price includes taxes and charges.From R 2,885, select.
Ontario.R 2,885 per passenger.Departing Tue, 9 Feb.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Orlando International on Tue, 9 Feb, arriving in Ontario International.Price includes taxes and charges.From R 2,885, select.
Ontario.R 2,885 per passenger.Departing Tue, 12 Jan.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Orlando International on Tue, 12 Jan, arriving in Ontario International.Price includes taxes and charges.From R 2,885, select.
Ontario.R 2,885 per passenger.Departing Mon, 7 Dec.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Orlando International on Mon, 7 Dec, arriving in Ontario International.Price includes taxes and charges.From R 2,885, select.
Ontario.R 3,048 per passenger.Departing Wed, 22 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Orlando International on Wed, 22 Jul, arriving in Ontario International.Price includes taxes and charges.From R 3,048, select.
Ontario.R 3,181 per passenger.Departing Sun, 30 May.One-way flight with KLM.Outbound indirect flight with KLM, departs from Orlando International on Sun, 30 May, arriving in Ontario International.Price includes taxes and charges.From R 3,181, select.
Ontario.R 3,220 per passenger.Departing Fri, 16 Apr.One-way flight with Delta.Outbound indirect flight with Delta, departs from Orlando International on Fri, 16 Apr, arriving in Ontario International.Price includes taxes and charges.From R 3,220, select.
Ontario.R 3,223 per passenger.Departing Wed, 2 Jun.One-way flight with Delta.Outbound indirect flight with Delta, departs from Orlando International on Wed, 2 Jun, arriving in Ontario International.Price includes taxes and charges.From R 3,223, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Orlando International to Ontario International flights are currently cheapest in August.
Jul
from R 3,048
Aug
from R 1,696
Sep
from R 1,992
Oct
from R 1,743
Nov
from R 2,088
Dec
from R 2,885
Jan
from R 2,885
Feb
from R 2,885
Mar
from R 2,885
Apr
from R 3,220
May
from R 3,181
Jun
from R 3,223

Orlando International to Ontario International: Alternative routes

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

Ontario International

4km from central Ontario
Closest
from R 1,696
Search flights

San Bernardino Norton AFB

39km from central Ontario
Search flights

Santa Ana John Wayne

48km from central Ontario
from R 1,663
Search flights

Long Beach Municipal

54km from central Ontario
from R 2,596
Search flights

Hawthorne

65km from central Ontario
from R 17,227
Search flights

Burbank

67km from central Ontario
from R 1,692
Search flights

Los Angeles International

71km from central Ontario
Cheapest
from R 1,589
Search flights

Orlando to Ontario: Flight information

The things to know before you go.
Cheapest flight foundR 1,696
Cheapest month to flyAugust

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

The best price we found for a return flight from Orlando International to Ontario International is R 3,393. 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 Orlando International to Ontario International. But we found flights with one or more stops from R 3,393.
As of July 2026, there are no flights flying from Orlando International to Ontario International.
The cheapest month to fly from Orlando International to Ontario International is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Orlando International Airport to Ontario International Airport on Tuesday, 1 September 2026.
No airlines currently offer direct flights between Orlando International Airport and Ontario 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 Ontario 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 Ontario 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 Ontario International.

Travelling from Orlando International Airport (MCO) to Ontario International Airport (ONT): what you need to know

  • Ontario's timezone is UTC-8, making Ontario three hours behind Orlando.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Show up at the airport on time to catch your MCO to ONT flight.

  • Travelling during a peak time such as April? Major public holidays and other popular seasons can mean longer lines at check-in and security. Be extra cautious and arrive up to four hours before an international flight and two hours before a domestic departure.

  • Consider adding a stopover when booking your ticket from Orlando International Airport to Ontario International Airport. Just uncheck 'Direct flights only' to break up your journey, or perhaps see a new city along the way. Here's where you can stop between MCO and ONT:

    • Houston George Bush Intercntl. Airport

    • Phoenix Sky Harbour Airport

    • Austin-Bergstrom Airport

Handy information about Orlando International Airport (MCO)

Arriving at Ontario International Airport (ONT)

When to fly to Ontario International Airport (ONT)

  • It's time to pick your travel dates for your flight from Orlando International Airport to Ontario International Airport. July is the most popular month to visit Ontario. If you like a more laid-back vibe, go in March.

  • The warmest month in Ontario is August, with the temperature ranging between 16ºC (61ºF) and 36ºC (97ºF). Lock in your flights from Orlando International Airport to Ontario International Airport in this month if you like this kind of weather.

  • February has average temperatures of between 4ºC (39ºF) and 24ºC (75ºF). Look for cheap tickets from MCO to ONT sometime around then if you like cooler conditions.

Explore more of the United States

  • Ontario has plenty going for it, but there are so many other parts of the United States waiting to be discovered. About 56 kilometres west of Ontario, a trip to Los Angeles will keep you on the go. Check out popular attractions like Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl.

  • San Diego is another favourite destination in the United States and is around 153 kilometres south of Ontario. No trip is complete without dropping by San Diego Zoo, San Diego Balboa Park and USS Midway Museum.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.