Cheap flights from San Francisco to Cancún from R3 936

If you’re not able to fly to Cancún in January, then February is your next best option. Flight prices from San Francisco to Cancún during February average around R8 572.

You are more likely to see cheaper flights to Cancún from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Cancún for around R10 269 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cancún from San Francisco for as low as R9 451 on momondo.

Historically, on average around 17% of flights between San Francisco and Cancún have experienced a delay on any given week. The average delay length over the past 12 months has been 137 minutes.

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

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

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with about 16% of their flights experiencing any sort of delay.

As of September 2026, 1 flights take off from San Francisco and land in Cancún each day. The most common flight departure time for this route is 8:00, with 100% of daily flights taking off at midday.

As of September 2026, there are 7 flights per week flying from San Francisco to Cancún. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.