Cheap flights from Chicago O'Hare Intl Airport to Cancún from $145

If you don’t want to visit Cancún in January, then you should wait until February to fly from Chicago O'Hare Intl Airport, when ticket prices are also cheap, with an average price of $394.

The cheapest day to depart from Chicago O'Hare Intl Airport to Cancún is on a Sunday when prices can be found for as low as $459. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $536. 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 O'Hare Intl Airport to Cancún during this time can be as low as $499. 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 O'Hare Intl - Cancun flight prices

You are more likely to see cheaper flights to Cancún from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Cancún for around $477 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cancún from Chicago O'Hare Intl Airport for as low as $384 on momondo.

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

No. A direct flight is the cheapest option for a flight between Chicago O'Hare Intl Airport to Cancún.

As of August 2026, prices for Chicago O'Hare Intl Airport to Cancún flights are approximately 21% more expensive when compared to flights at the same time last year.

Delta and United Airlines are the most popular carriers operating from Chicago O'Hare Intl to Cancun

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Cancún from Chicago O'Hare Intl Airport according to our data. United Airlines is the first choice among our users, with 40% 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 20% 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 162 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, Spirit Airlines have had the least number of delays on this route over the last 12 months; with about 17% of their flights experiencing any sort of delay.

Mexico City (MEX) was the most common stop: 34% of momondo users choosing 1-stop flights on this route connected there.

Flights via Mexico City (MEX) offer the lowest average round-trip price of $389.

Flights connecting via Charlotte (CLT) have the shortest average one-way travel time: 6h 15m.

Charlotte (CLT) has the shortest average layover time for this route: 1h 25m.

The number of flights available between Chicago O'Hare Intl Airport and Cancún is 4 per day as of August 2026. The most frequent departure time is 9:00AM, with 100% of daily flights leaving at noon.

As of August 2026, 31 flights take off from Chicago O'Hare Intl Airport and land in Cancún each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.