Cheap flights from New York to Illinois from €91

The cheapest month to fly to Illinois from New York is in January. Flight prices, which tend to average around €165, are often lower during this time because this is during the off-season. If you’re not able to fly to Illinois in January, then February is your next best option. Flight prices from New York to Illinois during February average around €192.

According to our data, Friday is the cheapest day to fly to Illinois from New York. The lowest ticket price found for a Friday departure recently was €133. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Monday is the most expensive day to depart from New York because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €320.

According to our data, the cheapest time of day to fly to Illinois is in the evening. momondo users have found flights departing from New York to Illinois in the evening for as low as €119. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around €287. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from New York LaGuardia to Chicago O'Hare Intl for the best New York - Illinois flight prices

You are more likely to see cheaper flights to Illinois from New York when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around €210 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from New York for as low as €151 on momondo.

There is only 1 cabin class available to choose from on New York to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

The number of flights available between New York and Illinois is 137 per day as of August 2026. The most frequent departure time is 14:00, with 44% of daily flights leaving at midday.

The number of flights available between New York and Illinois is 965 per week as of August 2026. The most frequent departure day is Wed, with 19% of weekly flights leaving on this day.