Cheap flights from Chicago to Cancún from $174

If you don’t want to visit Cancún in January, then you should wait until February to fly from Chicago, when ticket prices are also cheap, with an average price of $426.

The cheapest day to depart from Chicago to Cancún is on a Sunday when prices can be found for as low as $481. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $560. 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 Chicago to Cancún during this time can be as low as $525. 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 Chicago - Cancun flight prices

You are more likely to see cheaper flights to Cancún from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Cancún for around $499 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cancún from Chicago for as low as $421 on momondo.

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

You could potentially save up to 5% on your flight if you consider stops on a Chicago to Cancún flight.

As of October 2026, prices for Chicago to Cancún flights are approximately 2% more expensive when compared to flights at the same time last year.

Viva, United Airlines, and Frontier are the most popular carriers operating from Chicago to Cancun

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Cancún from Chicago according to our data. United Airlines is the first choice among our users, with 39% 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.

Historically, on average around 21% of flights between Chicago and Cancún have experienced a delay on any given week. The average delay length over the past 12 months has been 155 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, Frontier have had the least number of delays on this route over the last 12 months; with about 18% of their flights experiencing any sort of delay.

Mexico City (MEX) was the most common stop: 43% of momondo users choosing 1-stop flights on this route connected there.

Flights via León (BJX) offer the lowest average round-trip price of $301.

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 5h 17m.

Charlotte (CLT) has the shortest average layover time for this route: 1h 08m.

As of October 2026, 5 flights take off from Chicago and land in Cancún each day. The most common flight departure time for this route is 9:00AM, with 100% of daily flights taking off at noon.

As of October 2026, 35 flights take off from Chicago and land in Cancún each week. The most common flight departure day for this route is Wed, with 26% of weekly flights taking off on this day.