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Cheap Flights from Ontario to Chicago

Top last minute flight deals

Feeling spontaneous? It’s never too late to book a trip. Here’s our pick of the best last minute flights to Chicago...
Estimated lowest prices only. Found in the last 14 days.

Flight information Ontario International to Chicago

Cheapest return price last month

$350

Direct airline

1

Flights per week

7

Average flight time, total distance 2710 kilometres

3h 45min

Most popular airline last month

Southwest Airlines

Chicago O'Hare International, Chicago Midway and Chicago Rockford

3 airports

Frequently asked questions

There are 3 airports in Chicago: Chicago O'Hare International, Chicago Midway and Chicago Rockford.
The best price found on Skyscanner for a flight from Ontario International to Chicago is $350. This was found by aggregating across different carriers and is the cheapest price for the whole month.
3h 45min is the average flight time from Ontario International to Chicago.
There is one airline that flies direct from Ontario International to Chicago.
As of November, there are 7 flights per week flying from Ontario International to Chicago.

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Useful information before booking your travel from Ontario to Chicago

Check the travel information panel above to get exact information about:

  • Distance from Chicago to Ontario
  • Flight time from Chicago to Ontario
  • Which airlines provide the cheapest tickets from Ontario to Chicago
  • Which airlines fly direct to Chicago from Ontario.

Know your cabin luggage size and weight restrictions thanks to our guide to hand baggage.

Track your flight status by checking arrival and departure times from Ontario to Chicago

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    We’ll keep you posted with the latest schedule information and send you important flight updates for your travel to Chicago from Ontario.
  • Book a hotel or car hire for your stay in Chicago

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    FAQ on Flights from Ontario to Chicago

    How far in advance should I book a flight to get the best deal for Ontario to Chicago flights?
    You can use the monthly price chart listed above to book your flights well in advance.
    How can I book cheap Ontario to Chicago flight tickets online?
    Use Skyscanner's flight search above and fill in your travel dates and click on "Search Flights". You can now choose the desired flight to Chicago from the list.
    How Skyscanner is different from online travel agents?
    Skyscanner pulls flight prices from all the major airlines and online travel agents like Expedia, Cheap Flights, Jetstar, Virgin Australia, Tigerair etc. You don’t need to check multiple websites to find the best price. Once you find your flight & click to select, we link you directly to the airline or travel agent. No hidden charges, no added fees.
    Which is the cheapest month to book flights from Ontario to Chicago?
    Check the bar chart at the top to find the cheapest month to fly from Ontario to Chicago. The chart is based on the next 12 months price data we have.
    Should I opt for a travel insurance while flying from of Ontario to Chicago?
    It's always safe and advised to travel with a travel insurance.
    Should I opt for on board food while travelling from Ontario to Chicago?
    Its suggested to opt for on board meals while flying to Chicago.
    What is the check in luggage limit in Ontario to Chicago flights?
    Generally, 15 kg is the allowed baggage limit for an economy class passenger flying from Ontario to Chicago. Its advised to check your baggage limit that is printed on your ticket as it varies from airline to airline.
    What is the hand baggage limit in Ontario to Chicago flights?
    7 to 10 kg is the allowed hand luggage limit while flying from Ontario to Chicago. For most recent updates on the hand luggage weight, contact the airline youa re flying with.
    What is the advantage of doing a web check in while flying from Ontario?
    Web check-in confirms your travel while flying from Ontario and saves your time at the check-in counter.
    How can I change my Ontario to Chicago travel dates after booking?
    Before check-in, the respective flight operator will allow you to change your travel dates. Generally, its chargeable based on the rescheduled date. It is recommended to contact respective airlines to know about the charges.
    How do I subscribe for Skyscanner's price alerts for cheap fares from Ontario to Chicago?
    Use Skyscanner's price alert tool to get notified about cheap fares from Ontario to Chicago.

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