Cheapflights users have found 50 United Airlines flights for under $600 on the SFO-CUN route. Prices on flights to Cancún from San Francisco can vary based on many factors including dates. To look at price based on your preferred dates, click here.
The average rating from 762 United Airlines reviews by Cheapflights users is 5.8 (out of a maximum rating of 10). If you are considering flying SFO-CUN with Cheapflights, apply your desired dates to the form above to see our best pricing for your trip to Cancún with United Airlines.