Cheap flights from Illinois to Cancún from $175

If you don’t want to visit Cancún in January, then you should wait until February to fly from Illinois, when ticket prices are also cheap, with an average price of $419.

The cheapest day to depart from Illinois to Cancún is on a Sunday when prices can be found for as low as $471. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $549. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cancún.

Our most recent data shows that the best time of day to fly to Cancún is in the morning. Flights from Illinois to Cancún during this time can be as low as $512. Flights to Cancún are more costly at noon, with an average ticket price of $664. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Cancún from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Cancún for around $488 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cancún from Illinois for as low as $398 on momondo.

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

Viva, Southwest, and United Airlines are the most popular carriers operating from Illinois to Cancun

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Cancún from Illinois according to our data. United Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Cancún. Keep in mind that there are 10 different airlines that fly to Cancún on a routine basis, so you have a few additional options to choose from.

As of September 2026, 5 flights take off from Illinois and land in Cancún each day. The most common flight departure time for this route is 10:00AM, with 100% of daily flights taking off at noon.

As of September 2026, there are 37 flights per week flying from Illinois to Cancún. The most common day of the week flights depart is Tue, with 16% of flights taking off on this day.