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

Cheapest flight tickets

$117

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

Average price of a round trip

$129

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

Flight duration

10h10

A flight from Chicago to Ontario takes on average 10h10.

Best time

February

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

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 $114 (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 29 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 $129.
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 $117 to $247
  • The average price of a flight ticket is about $129
  • Prices are lowest for stays in the month of October
  • The month in which booking a ticket is cheaper is: December
info departure city :
Chicago, USA
airports :
Chicago-O'Hare International Airport (ORD)
Chicago-Midway International Airport (MDW)
Chicago-Merrill C. Meigs Field Airport (CGX)
Chicago FSS (CHI)
local time :

Chicago is a city in the country USA, the time zone is GMT . In Chicago, it is currently {fromLocalTime}, the temperature is on average 0°C, with a minimum of -2°C and a maximum of 1°C.

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

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 GMT . In Ontario, it is currently {toLocalTime}, the temperature is on average 16°C, with a minimum of 11°C and a maximum of 23°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 February.

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 29 days before your departure. If you book your flight ticket 5 weeks before your departure, you may find a price below average. You can also choose morning flights that are 100% cheaper than afternoon and evening flights. The cheapest day to book a flight from Chicago to Ontario is Thursday.

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

When you leave, you can leave from Chicago-Midway or Chicago-O'Hare, and you will arrive at Los Angeles International or Ontario.

How to reach Chicago airport from the city centre?

The airport Chicago-O'Hare is located 29 km, Chicago-Midway is located 12 km, Chicago-Merrill C. Meigs Field is located 4 km or Chicago FSS 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

Discover other cheap flight deals