Cheap flights from New Mexico to Illinois from $73

The cheapest month to fly to Illinois from New Mexico is in August. Flight prices, which tend to average around $355, 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 August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $365.

The cheapest day to depart from New Mexico to Illinois is on a Thursday when prices can be found for as low as $451. Flights from New Mexico to Illinois on a Sunday will generally be more expensive and average around $593. 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 New Mexico to Illinois during this time can be as low as $442. Flights at noon are often more expensive with an average ticket price of $507.

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

You are more likely to see cheaper flights to Illinois from New Mexico when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $471 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from New Mexico for as low as $291 on momondo.

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

Frontier, Southwest, and Delta are the most popular carriers operating from New Mexico to Illinois

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Illinois from New Mexico according to our data. American Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 3 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

The number of flights available between New Mexico and Illinois is 9 per day as of March 2026. The most frequent departure time is 12:00PM, with 67% of daily flights leaving in the afternoon.

As of March 2026, there are 69 flights per week flying from New Mexico to Illinois. The most common day of the week flights depart is Wed, with 29% of flights taking off on this day.