Cheap flights from Illinois to New York from $123

The cheapest month to fly to New York LaGuardia Airport from Illinois is in January. Flight prices, which tend to average around $220, are often lower during this time because this is during the off-season. If you don’t want to visit New York LaGuardia Airport in January, then you should wait until November to fly from Illinois, when ticket prices are also cheap, with an average price of $256.

The cheapest day to depart on your flight to New York LaGuardia Airport is on a Saturday when prices can be found for as low as $267. This is often the case because there is less demand to fly during this day of the week. Flights from Illinois to New York LaGuardia Airport on a Monday will generally be more expensive and average around $394. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest Illinois to New York LaGuardia Airport flights are usually those with departure times at noon. Our users have found flights to New York LaGuardia Airport at noon for as low as $297. Flights in the afternoon are often more expensive with an average ticket price of $337.

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

You are more likely to see cheaper flights to New York LaGuardia Airport from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to New York LaGuardia Airport for around $299 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to New York LaGuardia Airport from Illinois for as low as $216 on momondo.

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

Delta, United Airlines, and Southwest are the most popular carriers operating from Illinois to New York LaGuardia

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to New York LaGuardia Airport from Illinois according to our data. United Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to New York LaGuardia Airport. Keep in mind that there are 5 different airlines that fly to New York LaGuardia Airport on a routine basis, so you have a few additional options to choose from.

As of September 2026, there are 61 flights per day flying from Illinois to New York LaGuardia Airport. The most common time of day flights depart is 11:00AM, with 44% of flights taking off at noon.

429 flights are operational weekly from Illinois to New York LaGuardia Airport as of September 2026. The most popular departure day for this route is Tue, with 19% of flights per week taking off on this day.