Cheap flights from New York to Illinois from ₹ 4,988

In general, January is the cheapest month to fly from New York to Illinois. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 16,053. If you aren’t able to travel during the month of January, then book flights to Illinois from New York during November instead. Flights to Illinois in November, while not as cheap as those in January, still average around ₹ 19,136.

On average, the least expensive day to fly to Illinois from New York is on a Saturday. momondo users have found tickets for Saturday departures for as low as ₹ 13,941. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from New York to Illinois on a Sunday will generally be more expensive and average around ₹ 35,821. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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 ₹ 19,495. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Illinois is in the morning when prices are around ₹ 31,804.

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 ₹ 21,275 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 ₹ 15,962 on momondo.

There are 4 cabin classes 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.

As of February 2026, 111 flights take off from New York and land in Illinois each day. The most common flight departure time for this route is 15:00, with 43% of daily flights taking off in the afternoon.

As of February 2026, 780 flights take off from New York and land in Illinois each week. The most common flight departure day for this route is Fri, with 17% of weekly flights taking off on this day.