Fly nonstop from San Francisco to Cancun for $311 round-trip on United.
Searching United.com, we found seats departing SFO on Friday, April 22, returning from CUN on Friday, April 29.
Other dates are also available for travel in April/May.
Visit our San Francisco SFO fare listings for a complete look at current finds.
Need a room in Cancun? Here's a look at what's available for the above dates on Hotelwatchdog.
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