Cheap flights from White Plains to Illinois from $121

The cheapest month to fly to Illinois from White Plains is in January. Flight prices, which tend to average around $429, 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 September is also cheap. Prices for this month can be found on momondo for an average of $450.

The cheapest day to depart from White Plains to Illinois is on a Saturday when prices can be found for as low as $429. Flights from White Plains to Illinois on a Monday will generally be more expensive and average around $535. 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 White Plains to Illinois during this time can be as low as $462. Flights in the morning are often more expensive with an average ticket price of $482.

Fly from White Plains Westchester County to Chicago O'Hare Intl for the best White Plains Westchester County - Illinois flight prices

You are more likely to see cheaper flights to Illinois from White Plains when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $473 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from White Plains for as low as $400 on momondo.

There are 3 cabin classes available to choose from on White Plains Westchester County to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Delta and American Airlines are the most popular carriers operating from White Plains Westchester County to Illinois

United Airlines, American Airlines and Spirit Airlines are the top three most popular airlines that fly to Illinois from White Plains according to our data. United Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 7 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

As of March 2026, there are 7 flights per day flying from White Plains to Illinois. The most common time of day flights depart is 4:00PM, with 86% of flights taking off in the afternoon.

As of March 2026, 54 flights take off from White Plains and land in Illinois each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.