Cheap flights from El Paso to Illinois from $89

The cheapest month to fly to Illinois from El Paso is in April. Flight prices, which tend to average around $329, 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 April, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $363.

The cheapest day to depart from El Paso to Illinois is on a Tuesday when prices can be found for as low as $472. Flights from El Paso to Illinois on a Sunday will generally be more expensive and average around $762. 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 at noon. Flights from El Paso to Illinois during this time can be as low as $466. Flights in the afternoon are often more expensive with an average ticket price of $866.

Fly from El Paso to Chicago O'Hare Intl for the best El Paso - Illinois flight prices

You are more likely to see cheaper flights to Illinois from El Paso when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $396 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from El Paso for as low as $313 on momondo.

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

Frontier, Delta, and Southwest are the most popular carriers operating from El Paso to Illinois

American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Illinois from El Paso according to our data. American Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 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 El Paso and Illinois is 7 per day as of August 2026. The most frequent departure time is 6:00AM, with 100% of daily flights leaving at noon.

As of August 2026, 55 flights take off from El Paso and land in Illinois each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.