Cheap flights from New York John F Kennedy Intl Airport to Illinois from £104

The month of February is, on average, the cheapest month to fly to Illinois from New York John F Kennedy Intl Airport, with most prices found around £126. If you aren’t able to travel to Illinois during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of £127.

The cheapest day to depart on your flight to Illinois is on a Tuesday when prices can be found for as low as £146. This is often the case because there is less demand to fly during this day of the week. Flights from New York John F Kennedy Intl Airport to Illinois on a Sunday will generally be more expensive and average around £574. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest New York John F Kennedy Intl Airport to Illinois flights are usually those with departure times in the morning. Our users have found flights to Illinois in the morning for as low as £192. In the evening is when there is more demand to fly to Illinois, so prices are often more expensive at around £286 per ticket.

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

You are more likely to see cheaper flights to Illinois from New York John F Kennedy Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around £195 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 John F Kennedy Intl Airport for as low as £132 on momondo.

There are 2 cabin classes available to choose from on New York John F Kennedy Intl Airport to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of November 2026, 32 flights take off from New York John F Kennedy Intl Airport and land in Illinois each day. The most common flight departure time for this route is 19:00, with 37% of daily flights taking off at midday.

As of November 2026, there are 228 flights per week flying from New York John F Kennedy Intl Airport to Illinois. The most common day of the week flights depart is Sun, with 19% of flights taking off on this day.