Cheap flights from San Francisco to Cancún from $300

In general, February is the cheapest month to fly from San Francisco to Cancún. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $742. If you are unable to visit Cancún during the month of February, then departing from San Francisco during the month January is also very affordable. Most momondo users find prices during this month for around $745.

Fly from San Francisco to Cancun for the best San Francisco - Cancun flight prices

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 $891 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 $817 on momondo.

There is only 1 cabin class available to choose from on San Francisco 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 29% on your flight if you consider stops on a San Francisco to Cancún flight.

As of August 2026, prices for San Francisco to Cancún flights are approximately 8% cheaper when compared to flights at the same time last year.

Historically, on average around 16% 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 147 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 15% of their flights experiencing any sort of delay.