Cheap flights from Rhode Island to Illinois from $138

The cheapest month to fly to Illinois from Rhode Island is in January. Flight prices, which tend to average around $367, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of January, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $370.

The cheapest day to depart from Rhode Island to Illinois is on a Wednesday when prices can be found for as low as $451. Flights from Rhode Island to Illinois on a Sunday will generally be more expensive and average around $584. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Rhode Island to Illinois during this time can be as low as $452. Flights in the morning are often more expensive with an average ticket price of $487.

Fly from Providence-TFGreen to Chicago O'Hare Intl for the best Rhode Island - Illinois flight prices

You are more likely to see cheaper flights to Illinois from Rhode Island when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $275 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Rhode Island for as low as $241 on momondo.

There are 4 cabin classes available to choose from on Rhode Island to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Delta, Southwest, and United Airlines are the most popular carriers operating from Rhode Island to Illinois

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Illinois from Rhode Island according to our data. American Airlines is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 3 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

As of October 2026, there are 10 flights per day flying from Rhode Island to Illinois. The most common time of day flights depart is 12:00PM, with 49% of flights taking off in the afternoon.

As of October 2026, 72 flights take off from Rhode Island and land in Illinois each week. The most common flight departure day for this route is Mon, with 21% of weekly flights taking off on this day.