Cheap flights from Ontario to Illinois from $127

Yes, there are multiple flights from Region of Ontario to Illinois for under $300. The cheapest flight booked recently is on Porter Airlines for just $217, but on average you can expect to pay $231.

Cheapflights has at least 20 direct flights from Region of Ontario to Illinois under $300. A good price for a nonstop flight from Region of Ontario to Illinois is less than $223.

There are currently 20+ open flights from Region of Ontario to Illinois within the next 7 days for less than $300.

You can find nonstop flights on the following days: Sunday, Saturday.

6 flight departures from Region of Ontario to Illinois per day on average.
Morning (6am - Noon) - 50% of flight departures
Evening (6pm - Midnight) - 50% of flight departures

Porter Airlines, Delta, and United Airlines can get you from Region of Ontario to Illinois in just under 1h 47m. Your travel time can differ by up to 4h 17m. Airlines will cover a distance of 437 mi. Both multi-stop and nonstop flights can be found to your destination and back.

$127 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $146 and $147, respectively.

This is defined as Toronto Pearson Intl Airport (YYZ) and Chicago O'Hare Intl Airport (ORD). Codes like Chicago O'Hare Intl Airport are often used to just call airports uniquely. Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI) are other airports near this flight route and their unique identifiers/IATA codes.

The amount of baggage you can bring on your Ontario to Illinois flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Yes, Cheapflights allows you to browse and filter Ontario to Illinois flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Yes. In addition to deals on Ontario to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Illinois.

Yes. Cheapflights offers flight deals from Ontario to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Many airlines flying from Ontario to Illinois offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Yes, you can often find last-minute deals on Ontario to Illinois flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

The Region of Ontario to Illinois flight deals you see on this page were last updated on 5/23.

Currently, February is the cheapest month in which you can book a flight from Region of Ontario to Illinois (average of $244). Flying from Region of Ontario to Illinois in June is currently the most expensive (average of $330). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.