San Francisco (SFO) to Cancún (CUN) flight deal in economy from $345

Thursday, December 17th, 2026

4 round-trip options

Returning
Thu, Dec 24, 20267 Day Trip
$893 USD
Returning
Fri, Dec 25, 20268 Day Trip
$893 USD
Returning
Sat, Dec 26, 20269 Day Trip
$1,077 USD
Returning
Sun, Dec 27, 202610 Day Trip
$1,223 USD