Cheap flights from Boston to Cancún from $120

If you don’t want to visit Cancún in September, then you should wait until August to fly from Boston, when ticket prices are also cheap, with an average price of $381.

The cheapest day to depart from Boston to Cancún is on a Monday when prices can be found for as low as $442. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $521. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cancún.

Fly from Boston Logan Intl to Cancun for the best Boston Logan Intl - Cancun flight prices

You are more likely to see cheaper flights to Cancún from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Cancún for around $441 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cancún from Boston for as low as $393 on momondo.

You could potentially save up to 3% on your flight if you consider stops on a Boston to Cancún flight.

United Airlines is the most popular carrier operating from Boston Logan Intl to Cancun

JetBlue, Delta and American Airlines are the top three most popular airlines that fly to Cancún from Boston according to our data. JetBlue is the first choice among our users, with 56% 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 Boston and Cancún have experienced a delay on any given week. The average delay length over the past 12 months has been 181 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, Delta 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.

Fort Lauderdale (FLL) was the most common stop: 41% of momondo users choosing 1-stop flights on this route connected there.

Flights via Fort Lauderdale (FLL) offer the lowest average round-trip price of $318.

Flights connecting via Baltimore (BWI) have the shortest average one-way travel time: 5h 58m.

St. Louis (STL) has the shortest average layover time for this route: 1h 18m.

2 flights are operational daily from Boston to Cancún as of May 2026. The most popular departure time for this route is 8:00AM, with 100% of flights per day taking off at noon.

As of May 2026, 19 flights take off from Boston and land in Cancún each week. The most common flight departure day for this route is Mon, with 21% of weekly flights taking off on this day.