Compare all flight tickets and find cheap flights from Chicago to Ontario

Cheapest flight tickets

$139

Price observed over the last 3 months for a round trip.

Average price of a round trip

$139

Average flight ticket price recorded over the last 3 months for a round trip.

Flight duration

9h55

A flight from Chicago to Ontario takes on average 9h55.

Best time

January

According to user searches, the ideal month to go to Ontario is January.

What is the cheapest month for this flight?

* The prices shown are an average per month of the prices found by Liligo users during the last 30 days.

Tips for finding a cheap flight from Chicago to Ontario

Check out our tips for booking your flight to Ontario (USA) from Chicago (USA) at the cheapest possible price.

Usually, the cheapest month to pick up a ticket on this route is October, with an average flight ticket price of $123 (calculation over the last two years). The most touristic season corresponds to the months of November, December and October.
For the cheapest flights, it is advisable to buy your ticket at least 6 days before the departure date.

The airline offering the cheapest flight tickets is Frontier Airlines. A ticket from the airline Frontier Airlines to Ontario costs on average $139.
The airlines that offer the most flights are .

Price of flight tickets from Chicago to Ontario

Here is some information and tips to know before booking your flight:

  • Flight ticket prices range from $139 to $139
  • The average price of a flight ticket is about $139
  • Prices are lowest for stays in the month of October
  • The month in which booking a ticket is cheaper is: April
info departure city :
Chicago, USA
airports :
Chicago-Merrill C. Meigs Field Airport (CGX)
Chicago FSS (CHI)
Chicago-Midway International Airport (MDW)
Chicago-O'Hare International Airport (ORD)
local time :

Chicago is a city in the country USA, the time zone is [[timezone]]. In Chicago, it is currently {fromLocalTime}, the temperature is on average 21°C, with a minimum of 11°C and a maximum of 29°C.

The city of Chicago (CHI) has 4 airport(s): Chicago-Merrill C. Meigs Field, Chicago FSS, Chicago-Midway and Chicago-O'Hare

destination info :
Ontario, USA
airports :
Ontario International Airport (ONT)
Cable Airport (CCB)
Chino Airport (CNO)
Brackett Field (POC)
local time :

Ontario is in the country USA, the time zone is [[timezone]]. In Ontario, it is currently {toLocalTime}, the temperature is on average 19°C, with a minimum of 13°C and a maximum of 26°C.

The city of Ontario has 4 airport(s): Ontario, Cable, Chino and Brackett Field

Useful info about Ontario

What is the least touristic period to go to Ontario?

If you want to visit Ontario during the least touristic period, choose the month of January.

What is the most popular time to travel to Ontario?

In Ontario, the most popular month is November. It is during this period that the prices offered by airlines are also the highest.

When should I book my flight from Chicago to Ontario?

According to our data, it is recommended to book your flight 6 days before your departure. If you book your flight ticket 1 weeks before your departure, you may find a price below average. The cheapest day to book a flight from Chicago to Ontario is Friday.

What are the arrival and destination airports when traveling between Chicago and Ontario?

When you leave, you can leave from Chicago-Midway, and you will arrive at .

How to reach Chicago airport from the city centre?

The airport Chicago-Merrill C. Meigs Field is located 4 km, Chicago FSS is located 29 km, Chicago-Midway is located 12 km or Chicago-O'Hare is located 29 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.

Are there other means of transportation to go from Chicago to Ontario?

Airplane is the only means of transportation listed on Liligo for this journey.

Are there big differences in weather between Chicago and Ontario?

In summer, the average temperature is 25°C in Ontario and 22°C in Chicago. The average rainfall in summer is 4 mm in Ontario and 130 mm in Chicago. In summer, it is warmer in Ontario and it rains less in Ontario. In winter, it is colder in Ontario and it rains more in Ontario.

Prepare your stay in Ontario

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