Cheap flights from Richmond to Illinois from $105

The cheapest month to fly to Illinois from Richmond is in December. Flight prices, which tend to average around $73, 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 December, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $105.

The cheapest day to depart from Richmond to Illinois is on a Saturday when prices can be found for as low as $442. Flights from Richmond to Illinois on a Sunday will generally be more expensive and average around $547. 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 afternoon. Flights from Richmond to Illinois during this time can be as low as $444. Flights at noon are often more expensive with an average ticket price of $479.

Fly from Richmond Byrd Intl to Chicago O'Hare Intl for the best Richmond Byrd Intl - Illinois flight prices

You are more likely to see cheaper flights to Illinois from Richmond when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $403 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Richmond for as low as $251 on momondo.

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

Southwest, United Airlines, and Delta are the most popular carriers operating from Richmond Byrd Intl to Illinois

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Illinois from Richmond according to our data. United Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 6 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

As of June 2026, there are 27 flights per day flying from Richmond to Illinois. The most common time of day flights depart is 6:00AM, with 64% of flights taking off at noon.

The number of flights available between Richmond and Illinois is 194 per week as of June 2026. The most frequent departure day is Thu, with 16% of weekly flights leaving on this day.